:root,[data-theme=light]{--bg-page: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e293b 100%);--bg-chrome: #f1f5f9;--bg-soft: #1e293b;--bg-card: #ffffff;--bg-header: rgba(255, 255, 255, .98);--bg-main-tabs: linear-gradient(90deg, #0c1929 0%, #0f2744 45%, #172554 100%);--bg-sub-toolbar: #f1f5f9;--brand-green: #0d9488;--brand-green-dark: #0f766e;--brand-green-light: #ccfbf1;--primary: #1e40af;--primary-dark: #1e3a8a;--primary-light: #dbeafe;--btn-primary-bg: #1e3a8a;--journal-link-hover: #1d4ed8;--copy-hover-bg: var(--primary);--copy-hover-fg: #ffffff;--accent: #f59e0b;--btn-hover-bg: #fbd100;--btn-hover-border: #fbd100;--btn-hover-fg: var(--primary-dark);--text: #0f172a;--text-muted: #64748b;--text-on-dark: #f8fafc;--border: #e2e8f0;--danger: #dc2626;--success: #16a34a;--status-active-bg: color-mix(in srgb, var(--primary-light) 40%, var(--input-bg));--status-active-fg: var(--primary);--status-active-border: color-mix(in srgb, var(--primary) 45%, var(--border));--badge-tone-positive-bg: color-mix(in srgb, #dcfce7 65%, var(--input-bg));--badge-tone-positive-fg: #15803d;--badge-tone-positive-border: color-mix(in srgb, var(--success) 45%, var(--border));--badge-tone-negative-bg: color-mix(in srgb, var(--danger) 10%, var(--input-bg));--badge-tone-negative-fg: var(--danger);--badge-tone-negative-border: color-mix(in srgb, var(--danger) 45%, var(--border));--badge-tone-soft-red-bg: color-mix(in srgb, var(--danger) 6%, var(--input-bg));--badge-tone-soft-red-fg: #e11d48;--badge-tone-soft-red-border: color-mix(in srgb, var(--danger) 28%, var(--border));--badge-tone-critical-bg: color-mix(in srgb, #991b1b 12%, var(--input-bg));--badge-tone-critical-fg: #991b1b;--badge-tone-critical-border: color-mix(in srgb, #991b1b 48%, var(--border));--badge-tone-neutral-bg: #f1f5f9;--badge-tone-neutral-fg: #64748b;--badge-tone-neutral-border: color-mix(in srgb, #64748b 45%, var(--border));--badge-tone-warning-bg: color-mix(in srgb, #fef3c7 75%, var(--input-bg));--badge-tone-warning-fg: #a16207;--badge-tone-warning-border: color-mix(in srgb, var(--accent) 48%, var(--border));--badge-tone-info-bg: color-mix(in srgb, var(--primary-light) 40%, var(--input-bg));--badge-tone-info-fg: var(--primary);--badge-tone-info-border: color-mix(in srgb, var(--primary) 45%, var(--border));--notification-accent-fg: var(--primary);--notification-accent-fg-strong: var(--primary-dark);--shadow: 0 10px 40px rgba(15, 23, 42, .12);--radius: 12px;--table-head: #f8fafc;--table-hover: oklch(.97 .025 250);--schedule-row-cancelled-bg: #f5f7fa;--schedule-row-cancelled-bg-hover: #f0f3f7;--schedule-row-cancelled-border: #cdd5e0;--modal-bg: #ffffff;--overlay: rgba(15, 23, 42, .55);--fc-today: #eff6ff;--input-bg: #ffffff;--select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");--select-chevron-size: 12px;--select-chevron-inset: .65rem;--scrollbar-track: #e8edf3;--brand-logo-color: var(--primary-dark)}[data-theme=dark]{--bg-page: linear-gradient(135deg, #020617 0%, #0f172a 50%, #1e3a5f 100%);--bg-chrome: #0f172a;--bg-soft: #1e293b;--bg-card: #1e293b;--bg-header: rgba(30, 41, 59, .98);--bg-main-tabs: linear-gradient(90deg, #020617 0%, #0c1929 45%, #172554 100%);--bg-sub-toolbar: #334155;--brand-green: #2dd4bf;--brand-green-dark: #14b8a6;--brand-green-light: #134e4a;--primary: #60a5fa;--primary-dark: #3b82f6;--primary-light: #1e3a5f;--btn-primary-bg: #2563eb;--journal-link-hover: #93c5fd;--copy-hover-bg: var(--primary);--copy-hover-fg: #0f172a;--accent: #fbbf24;--btn-hover-bg: #fbd100;--btn-hover-border: #fbd100;--btn-hover-fg: #1e3a8a;--text: #f1f5f9;--text-muted: #94a3b8;--text-on-dark: #f8fafc;--border: #475569;--danger: #f87171;--status-active-bg: color-mix(in srgb, var(--primary-light) 65%, var(--input-bg));--status-active-fg: var(--primary);--status-active-border: color-mix(in srgb, var(--primary) 45%, var(--border));--badge-tone-positive-bg: color-mix(in srgb, #14532d 55%, var(--input-bg));--badge-tone-positive-fg: #86efac;--badge-tone-positive-border: color-mix(in srgb, #86efac 42%, var(--border));--badge-tone-negative-bg: color-mix(in srgb, var(--danger) 18%, var(--input-bg));--badge-tone-negative-fg: color-mix(in srgb, var(--danger) 92%, #fecaca);--badge-tone-negative-border: color-mix(in srgb, var(--danger) 45%, var(--border));--badge-tone-soft-red-bg: color-mix(in srgb, var(--danger) 12%, var(--input-bg));--badge-tone-soft-red-fg: color-mix(in srgb, var(--danger) 88%, #fecdd3);--badge-tone-soft-red-border: color-mix(in srgb, var(--danger) 32%, var(--border));--badge-tone-critical-bg: color-mix(in srgb, #7f1d1d 38%, var(--input-bg));--badge-tone-critical-fg: #fca5a5;--badge-tone-critical-border: color-mix(in srgb, #fca5a5 40%, var(--border));--badge-tone-neutral-bg: #334155;--badge-tone-neutral-fg: #cbd5e1;--badge-tone-neutral-border: color-mix(in srgb, #94a3b8 45%, var(--border));--badge-tone-warning-bg: color-mix(in srgb, #78350f 55%, var(--input-bg));--badge-tone-warning-fg: #fcd34d;--badge-tone-warning-border: color-mix(in srgb, #fcd34d 42%, var(--border));--badge-tone-info-bg: color-mix(in srgb, var(--primary-light) 65%, var(--input-bg));--badge-tone-info-fg: var(--primary);--badge-tone-info-border: color-mix(in srgb, var(--primary) 45%, var(--border));--notification-accent-fg: var(--primary);--notification-accent-fg-strong: color-mix(in srgb, var(--primary) 88%, #bfdbfe);--table-head: #334155;--table-hover: color-mix(in srgb, var(--primary) 12%, var(--bg-card));--schedule-row-cancelled-bg: #2f3d50;--schedule-row-cancelled-bg-hover: #38485c;--schedule-row-cancelled-border: #5c6f86;--modal-bg: #1e293b;--overlay: rgba(2, 6, 23, .75);--fc-today: #1e3a5f;--input-bg: #0f172a;--select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");--select-chevron-size: 12px;--select-chevron-inset: .65rem;--scrollbar-track: #1a2332;--brand-logo-color: var(--primary-dark)}:root{font-family:Manrope,system-ui,sans-serif}*{box-sizing:border-box}html{min-height:100%;background:var(--bg-chrome);background-attachment:fixed;overflow-y:scroll;scrollbar-gutter:stable;scrollbar-color:color-mix(in srgb,var(--text-muted) 45%,var(--border)) var(--scrollbar-track)}html::-webkit-scrollbar{width:14px}html::-webkit-scrollbar-track{background:var(--scrollbar-track)}html::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text-muted) 40%,var(--border));border:3px solid var(--scrollbar-track);border-radius:8px}html::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--text-muted) 60%,var(--border))}body{margin:0;min-height:100vh;background:var(--bg-chrome);color:var(--text)}#root{min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}select:not([multiple]):not([size]){appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:var(--select-chevron);background-repeat:no-repeat;background-position:right var(--select-chevron-inset) center;background-size:var(--select-chevron-size);cursor:pointer}a{color:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.async-content{position:relative;width:100%;min-height:0}.async-content__body{width:100%;min-height:inherit}.async-content__overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;pointer-events:none}.async-content__overlay--active{opacity:1;visibility:visible;pointer-events:auto}.async-content__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--overlay) 72%,transparent)}.async-content__overlay .loading-spinner{position:relative;z-index:1}.loading-spinner{display:flex;flex-direction:column;align-items:center;gap:.85rem}.loading-spinner__ring{width:2.75rem;height:2.75rem;border-radius:50%;border:3px solid color-mix(in srgb,var(--primary) 18%,var(--border));border-top-color:var(--primary);animation:loading-spinner-spin .8s linear infinite}.loading-spinner__label{font-size:.875rem;color:var(--text-muted)}@keyframes loading-spinner-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.loading-spinner__ring{animation-duration:1.1s}}.app-header{--app-header-bar-h: 2.15rem;background:var(--bg-header);border-bottom:1px solid var(--border);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;position:relative;z-index:1200;overflow:visible}.app-header-title{margin:0;flex:1 1 auto;min-width:0;align-self:center;display:flex;align-items:center;min-height:var(--app-header-bar-h);font:inherit;font-weight:inherit;color:inherit;overflow:visible}.app-header-end{display:flex;align-items:center;gap:.75rem;flex:0 0 auto;min-width:0;margin-left:auto}.app-header-user{display:flex;align-items:center;gap:.75rem;min-height:var(--app-header-bar-h);min-width:0}.app-brand{display:inline-flex;align-items:center;gap:.55rem;min-width:0;min-height:var(--app-header-bar-h);overflow:visible;--logo-icon-size: 4.3rem;--logo-icon-mask-inset-left: .12;--app-table-gutter: 1.25rem;margin-left:calc(var(--app-table-gutter) - var(--logo-icon-size) * var(--logo-icon-mask-inset-left) - .35rem)}.app-brand-logo-slot{position:relative;flex-shrink:0;width:4.3rem;height:2.15rem;overflow:visible}.app-brand-logo{position:absolute;left:0;top:50%;display:block;width:4.3rem;height:4.3rem;margin:0;transform:translateY(-50%);flex-shrink:0;background-color:var(--brand-logo-color);mask-image:url(/control-logo.png);mask-size:contain;mask-repeat:no-repeat;mask-position:center;-webkit-mask-image:url(/control-logo.png);-webkit-mask-size:contain;-webkit-mask-repeat:no-repeat;-webkit-mask-position:center}.app-brand-logo--icon{mask-image:url(/control-logo-notext.png);-webkit-mask-image:url(/control-logo-notext.png);mask-position:left center;-webkit-mask-position:left center}.app-brand-name{font-size:1.15rem;font-weight:600;color:var(--primary-dark);line-height:1.15;display:inline-flex;flex-wrap:wrap;align-items:baseline;column-gap:.35em;row-gap:.08rem;max-width:100%;min-width:0}.app-brand-name--stacked{align-items:flex-start}.app-brand-title,.app-brand-suffix{white-space:nowrap}.app-brand-title{font-weight:600;color:var(--primary-dark)}.app-brand-sep,.app-brand-suffix{font-weight:500;color:color-mix(in srgb,var(--primary-dark) 72%,var(--text-muted))}.login-card__title{margin:0 0 .25rem;display:flex;justify-content:center}.login-card__title .app-brand{justify-content:center}.login-card__title .app-brand-name{font-size:1.35rem;flex-direction:row;flex-wrap:nowrap;align-items:center}.login-card__title .app-brand-name--stacked{align-items:center}.login-card__title .app-brand-sep{display:inline}.login-card__title .app-brand-logo-slot{width:4.7rem;height:4.7rem}.login-card__title .app-brand-logo{position:static;transform:none}.app-header-actions{display:flex;align-items:center;gap:.5rem;min-height:var(--app-header-bar-h);flex-shrink:0}.app-header .user-info{display:flex;align-items:center;gap:.75rem;color:var(--text-muted);font-size:.9rem}.app-header-user-text{display:flex;flex-direction:column;align-items:flex-start;gap:.12rem;line-height:1.25}.app-header-user-name{font-size:.9rem;font-weight:600;color:var(--text);white-space:nowrap}@media(max-width:1100px){.app-header-user-name{white-space:normal}}.app-header-teacher{font-size:.78rem;font-weight:500;color:var(--text-muted)}.header-icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--primary);cursor:pointer;padding:0;transition:color .2s ease,border-color .2s ease,background .2s ease}.header-icon-btn:hover{border-color:var(--primary);background:color-mix(in srgb,var(--primary-light) 40%,var(--input-bg))}.header-icon-btn--alert{color:var(--primary-dark);border-color:color-mix(in srgb,var(--primary) 50%,var(--border));background:color-mix(in srgb,var(--primary-light) 50%,var(--input-bg));animation:header-icon-attention 4.5s ease-in-out infinite}.app-header .user-info .user-avatar{flex-shrink:0;background:color-mix(in srgb,var(--primary-light) 45%,var(--bg-card));color:var(--primary-dark)}@keyframes header-icon-attention{0%,86%,to{transform:scale(1)}90%{transform:scale(1.1)}94%{transform:scale(.97)}}.header-badge{position:absolute;top:-5px;right:-5px;min-width:1.25rem;height:1.25rem;padding:0 .3rem;border-radius:999px;background:var(--primary);color:#fff;font-size:.65rem;font-weight:700;line-height:1;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--bg-header);pointer-events:none}.header-dropdown{position:relative}.header-dropdown-panel{position:absolute;top:calc(100% + .35rem);right:0;z-index:1300;width:min(22rem,92vw);max-height:min(70vh,28rem);overflow:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001f}.chat-panel-portal{position:fixed;top:4.25rem;right:1rem;z-index:1300;width:min(52rem,calc(100vw - 2rem));max-height:min(80vh,36rem);overflow:hidden;display:flex;flex-direction:column}.chat-panel-portal.chat-panel{max-height:min(80vh,36rem)}.chat-panel-portal .chat-layout{flex:1;min-height:0}.chat-panel.header-dropdown-panel{width:min(52rem,96vw);max-height:min(80vh,36rem)}.header-dropdown-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.65rem .85rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card);z-index:1}.chat-panel-close{flex-shrink:0;color:var(--primary)}.link-btn{border:none;background:none;color:var(--primary);cursor:pointer;font-size:.8rem;padding:0}.notifications-list{list-style:none;margin:0;padding:0}.notification-item{display:flex;flex-direction:column;align-items:flex-start;gap:.2rem;width:100%;text-align:left;border:none;background:none;padding:.65rem .85rem;cursor:pointer;font:inherit;color:inherit;border-bottom:1px solid var(--border)}.notifications-list li.unread .notification-item{background:color-mix(in srgb,var(--primary-light) 25%,transparent)}.notification-type{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--notification-accent-fg)}.notification-type-header{display:inline-flex;align-items:center;gap:.4rem}.notification-type-header--lesson{display:contents}.notification-type-header__icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem}.notification-type-header__icon svg{width:100%;height:100%}.notification-type-header--lesson-assigned,.notification-type-header--lesson-rescheduled,.notification-type-header--lesson-cancelled,.notification-type-header--lesson-completed{color:inherit}.notification-type-header--lesson .notification-type{flex:none;min-width:11.35rem;width:100%;max-width:14.75rem;text-align:left}.notification-item--lesson-notice,.notification-item-content--lesson-notice{display:grid;grid-template-columns:2.25rem minmax(0,1fr);grid-template-areas:"icon title" "icon message" "icon date";column-gap:.45rem;row-gap:.18rem;align-items:center}.notification-item--lesson-notice .notification-type-header__icon,.notification-item-content--lesson-notice .notification-type-header__icon{grid-area:icon;align-self:center;justify-self:center}.notification-item--lesson-notice .notification-type,.notification-item-content--lesson-notice .notification-type{grid-area:title;align-self:center;padding-left:8px}.notification-item--lesson-notice .notification-item__message,.notification-item-content--lesson-notice .notification-message,.notification-item-content--lesson-notice>:not(.notification-type-header):not(time):not(.notification-action-link){grid-area:message;align-self:center;margin-left:0;padding-left:8px;width:100%}.notification-item--lesson-notice small,.notification-item-content--lesson-notice time{grid-area:date;align-self:center;padding-left:8px}.notification-item-content--lesson-notice .notification-action-link{grid-column:2;padding-left:8px}.notification-type-header--lesson-assigned .notification-type-header__icon,.notification-type-header--lesson-assigned .notification-type,.notification-type-header--lesson-completed .notification-type-header__icon,.notification-type-header--lesson-completed .notification-type{color:var(--notification-accent-fg)}.notification-type-header--lesson-rescheduled .notification-type-header__icon,.notification-type-header--lesson-rescheduled .notification-type{color:#b45309}.notification-type-header--lesson-cancelled .notification-type-header__icon,.notification-type-header--lesson-cancelled .notification-type{color:#be123c}[data-theme=dark] .notification-type-header--lesson-assigned .notification-type-header__icon,[data-theme=dark] .notification-type-header--lesson-assigned .notification-type,[data-theme=dark] .notification-type-header--lesson-completed .notification-type-header__icon,[data-theme=dark] .notification-type-header--lesson-completed .notification-type{color:var(--notification-accent-fg)}[data-theme=dark] .notification-type-header--lesson-rescheduled .notification-type-header__icon,[data-theme=dark] .notification-type-header--lesson-rescheduled .notification-type{color:#fcd34d}[data-theme=dark] .notification-type-header--lesson-cancelled .notification-type-header__icon,[data-theme=dark] .notification-type-header--lesson-cancelled .notification-type{color:#fda4af}.notification-item time{font-size:.75rem;color:var(--text-muted)}.notifications-empty{padding:1rem .85rem;color:var(--text-muted);list-style:none}.chat-layout{display:grid;grid-template-columns:minmax(9rem,34%) 1fr;min-height:16rem}.chat-sidebar{border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.chat-new-direct{padding:.5rem;display:flex;flex-direction:column;gap:.35rem;border-bottom:1px solid var(--border)}.chat-recipient-trigger{width:100%;box-sizing:border-box}.chat-recipient-dropdown{z-index:1350;display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain}.chat-recipient-search{position:sticky;top:0;z-index:1;padding:.5rem;background:var(--input-bg);border-bottom:1px solid var(--border)}.chat-recipient-search__input{width:100%;box-sizing:border-box;padding:.45rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font:inherit}.chat-recipient-search__input::placeholder{color:var(--text-muted)}.native-select-section-heading{padding:.45rem .65rem .2rem;font-size:.75rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--text-muted)}.chat-recipient-empty{padding:.75rem .65rem;color:var(--text-muted);font-size:.875rem}.chat-recipient-dropdown .native-select-option{flex-shrink:0}.chat-conv-list{list-style:none;margin:0;padding:0;--chat-conv-row-h: 3.75rem;max-height:calc(var(--chat-conv-row-h) * 8);overflow-y:auto;overscroll-behavior:contain;flex:0 0 auto}.chat-sidebar-error{margin:0;padding:.35rem .5rem 0;font-size:.8rem}.chat-conv-btn{width:100%;text-align:left;border:none;background:none;padding:.55rem .65rem;cursor:pointer;border-bottom:1px solid var(--border);color:inherit;font:inherit}.chat-conv-btn.active,.chat-conv-btn:hover{background:color-mix(in srgb,var(--primary-light) 30%,transparent)}.chat-conv-title{display:block;min-width:0;font-weight:500;font-size:.85rem}.chat-conv-title-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-conv-preview{display:flex;align-items:center;gap:.25rem;font-size:.75rem;color:var(--text-muted);min-width:0}.chat-conv-preview-text{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-conv-preview .chat-msg-checks{flex-shrink:0}.chat-conv-unread-badge{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:1.25rem;height:1.25rem;padding:0 .3rem;border-radius:999px;background:var(--btn-primary-bg);color:#fff;font-size:.625rem;font-weight:700;line-height:1;pointer-events:none}.chat-main{display:flex;flex-direction:column;min-height:0}.chat-main-head{padding:.5rem .75rem;border-bottom:1px solid var(--border);font-weight:500;display:flex;align-items:center;gap:.5rem}.chat-readonly-hint{color:var(--text-muted);font-weight:400}.chat-pinned-bar{display:flex;align-items:stretch;gap:0;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--primary) 8%,var(--bg-card))}.chat-pinned-bar__nav{flex-shrink:0;width:2rem;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.chat-pinned-bar__nav:hover{color:var(--primary);background:color-mix(in srgb,var(--primary) 10%,transparent)}.chat-pinned-bar__main{flex:1;min-width:0;display:flex;align-items:center;gap:.55rem;padding:.45rem .65rem;border:none;background:transparent;text-align:left;cursor:pointer}.chat-pinned-bar__main:hover{background:color-mix(in srgb,var(--primary) 6%,transparent)}.chat-pinned-bar__icon{flex-shrink:0;color:var(--primary);display:inline-flex}.chat-pinned-bar__text{min-width:0;display:flex;flex-direction:column;gap:.1rem}.chat-pinned-bar__label{font-size:.72rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.02em}.chat-pinned-bar__preview{font-size:.86rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-pinned-bar__counter{flex-shrink:0;font-size:.78rem;font-weight:600;color:var(--text-muted);padding:.15rem .45rem;border-radius:999px;background:color-mix(in srgb,var(--text-muted) 12%,transparent)}.chat-message-menu{position:fixed;z-index:12050;min-width:12.5rem;padding:.35rem;border-radius:.55rem;border:1px solid var(--border);background:var(--modal-bg);box-shadow:0 10px 32px #0f172a47}.chat-message-menu__item{display:block;width:100%;padding:.55rem .7rem;border:none;border-radius:.4rem;background:var(--modal-bg);color:var(--text);text-align:left;font-size:.92rem;cursor:pointer}.chat-message-menu__item:hover{background:color-mix(in srgb,var(--primary) 14%,var(--bg-card))}.chat-message-menu__divider{height:1px;margin:.25rem .35rem;background:var(--border)}.chat-message-menu__item--danger{color:var(--danger)}.chat-message-menu__item--danger:hover{background:color-mix(in srgb,var(--danger) 12%,var(--bg-card))}.chat-delete-message__check{margin:0 0 .85rem}.chat-msg-bubble--deleted{background:color-mix(in srgb,var(--text-muted) 10%,var(--input-bg));border-style:dashed}.chat-msg-body--deleted{font-style:italic;color:var(--text-muted)}.chat-msg--highlight .chat-msg-bubble{box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 55%,transparent);animation:chat-msg-highlight 2s ease}@keyframes chat-msg-highlight{0%{background:color-mix(in srgb,var(--primary) 22%,var(--bg-card))}to{background:inherit}}.chat-messages{flex:1;overflow:auto;padding:.65rem .75rem;display:flex;flex-direction:column;gap:.65rem}.chat-msg-group{display:flex;flex-direction:column;gap:.2rem;max-width:85%;align-self:flex-start}.chat-msg-group.mine{align-self:flex-end}.chat-msg-head{display:flex;align-items:center;gap:.45rem;min-height:2rem}.chat-msg-avatar-spacer{flex-shrink:0;width:2rem}.chat-msg-author{font-size:.72rem;color:var(--text-muted);line-height:1.2}.chat-msg-bubble{display:inline-flex;flex-direction:column;align-items:flex-end;gap:.15rem;max-width:100%;background:var(--input-bg);border:1px solid var(--border);border-radius:12px 12px 12px 4px;padding:.4rem .55rem .3rem}.chat-msg.mine .chat-msg-bubble{background:color-mix(in srgb,var(--primary-light) 45%,var(--input-bg));border-color:color-mix(in srgb,var(--primary) 35%,var(--border));border-radius:12px 12px 4px}.chat-msg-body{font-size:.9rem;line-height:1.35;word-break:break-word;text-align:left;align-self:stretch}.chat-msg-meta{display:inline-flex;align-items:center;gap:.2rem;font-size:.68rem;color:var(--text-muted);white-space:nowrap}.chat-msg-checks{flex-shrink:0;color:var(--text-muted)}.chat-msg-checks--read{color:var(--primary)}.chat-msg time{font-size:inherit;color:inherit}.chat-compose{display:flex;gap:.35rem;padding:.5rem .65rem;border-top:1px solid var(--border);align-items:center}.chat-compose__file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.chat-compose__attach{flex-shrink:0;width:2.25rem;height:2.25rem}.chat-compose-pending{display:flex;align-items:center;gap:.35rem;padding:0 .65rem .5rem;border-top:1px solid var(--border);background:color-mix(in srgb,var(--primary-light) 12%,var(--input-bg))}.chat-compose-pending__name{flex:1;min-width:0;font-size:.82rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-compose-pending__remove{border:none;background:none;color:var(--text-muted);font-size:1.1rem;line-height:1;padding:.15rem .35rem;cursor:pointer}.chat-compose-pending__remove:hover{color:var(--danger)}.chat-attachment-thumb{display:flex;flex-direction:column;align-items:stretch;gap:.25rem;width:100%;max-width:12rem;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--bg-card);overflow:hidden;cursor:pointer;text-align:left}.chat-attachment-thumb__img{display:block;width:100%;max-height:9rem;object-fit:cover;background:var(--bg-sub-toolbar)}.chat-attachment-thumb__placeholder{display:grid;place-items:center;min-height:5.5rem;padding:.5rem;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);background:color-mix(in srgb,var(--text-muted) 8%,var(--input-bg))}.chat-attachment-thumb--pdf .chat-attachment-thumb__placeholder{color:#b42318;background:color-mix(in srgb,#ef4444 10%,var(--input-bg))}.chat-attachment-thumb--office .chat-attachment-thumb__placeholder{color:var(--primary-dark);background:color-mix(in srgb,var(--primary-light) 35%,var(--input-bg))}.chat-attachment-thumb__name{padding:.3rem .45rem .4rem;font-size:.72rem;line-height:1.25;color:var(--text);word-break:break-word}.chat-msg-bubble .chat-attachment-thumb{margin-bottom:.25rem}.chat-msg-bubble .chat-attachment-thumb:last-child{margin-bottom:0}.chat-attachment-preview-modal h3{margin:0 0 .75rem;font-size:1rem;word-break:break-word}.chat-attachment-preview-modal .modal--lesson__footer{display:flex;flex-wrap:wrap;gap:.5rem}.chat-compose input{flex:1;box-sizing:border-box;padding:.45rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text)}.chat-compose input::placeholder{color:var(--text-muted)}.chat-placeholder,.chat-readonly-note{padding:1rem .75rem;color:var(--text-muted);margin:0}.checkbox-row{display:flex;align-items:center;gap:.5rem;cursor:pointer}.app-main{flex:1;padding:1.25rem 1.5rem;width:100%;max-width:none;margin:0;box-sizing:border-box}.app-main:has(.teacher-dashboard){display:flex;flex-direction:column;min-height:0}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:0;overflow:hidden;border:1px solid var(--border);width:100%}.card:has(>.main-tabs){overflow:visible}.card-body{padding:1.25rem;width:100%;box-sizing:border-box}.dashboard-tab-pane{width:100%}.teacher-dashboard{display:flex;flex-direction:column;flex:1 1 auto;width:100%;min-height:calc(100dvh - 10rem);box-sizing:border-box}.teacher-dashboard__main{display:flex;flex-direction:column;flex:1 1 auto;width:100%;min-height:0;box-sizing:border-box}.teacher-dashboard__body{display:flex;flex:1 1 auto;align-items:stretch;width:100%;min-height:calc(100dvh - 10rem);overflow:hidden}.teacher-dashboard__pane{flex:1 1 auto;min-width:0;box-sizing:border-box;overflow-x:auto}.main-tabs--sticky{position:relative;z-index:20}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1250;display:flex;justify-content:flex-end;overscroll-behavior:contain}.settings-overlay__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;border:none;padding:0;margin:0;background:var(--overlay);cursor:default}.settings-drawer{position:relative;z-index:1;flex-shrink:0;width:min(400px,100vw);max-width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;border-left:1px solid var(--border);background:var(--bg-card);box-shadow:-12px 0 40px #0f172a38}.settings-drawer__panel{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;height:100%;max-height:100%;box-sizing:border-box;overflow:hidden}[data-theme=dark] .settings-drawer{box-shadow:-12px 0 40px #00000073}.settings-tab.settings-tab--drawer{display:flex;flex-direction:column;flex:1 1 auto;width:100%;height:100%;min-height:0;max-height:100%;box-sizing:border-box;padding:0;overflow:hidden}.settings-tab__title--drawer{flex-shrink:0;margin:0;padding:1rem 1rem .85rem;text-align:center;font-size:1.2rem;font-weight:700;color:var(--text);border-bottom:1px solid color-mix(in srgb,var(--primary) 22%,var(--border));background:color-mix(in srgb,var(--primary-light) 42%,var(--bg-card))}.settings-tab--drawer .settings-tab__scroll{flex:1 1 0;min-height:0;max-width:none;padding:.75rem 1rem .5rem;overflow-y:auto;overflow-x:hidden;align-content:start}.settings-tab--drawer .teacher-profile-form{max-width:none}.settings-tab--drawer .student-avatar-section{align-self:start}.settings-tab--drawer .student-avatar-row{align-items:flex-start}.settings-tab--drawer .student-avatar-preview{flex-shrink:0;width:5.5rem;height:5.5rem;aspect-ratio:1}.settings-tab--drawer .student-avatar-img{width:100%;height:100%;object-fit:cover}.settings-tab-footer.settings-tab-footer--drawer{position:static;flex:0 0 auto;flex-shrink:0;z-index:3;flex-direction:column;align-items:flex-start;gap:.5rem;margin-left:0;margin-top:0;padding:.75rem 1rem .85rem;border-top:1px solid var(--border);background:var(--bg-card);box-shadow:none}.settings-tab-footer--drawer .settings-tab-footer__row{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;width:100%}.settings-tab-footer--drawer .settings-tab-footer__advanced{align-self:stretch;width:100%;justify-content:center;box-sizing:border-box}.settings-tab--page{width:100%;min-height:min(72vh,calc(100dvh - 11rem));max-height:none}.settings-tab--page .settings-tab__scroll{max-width:none;width:100%}.settings-tab--page .settings-tab__message,.settings-tab--page .teacher-profile-form{max-width:none}.teacher-dashboard__pane--settings-page{width:100%;max-width:none;box-sizing:border-box}.teacher-dashboard__pane--settings-page .settings-tab--page{width:100%}.card-padded{padding:1.25rem}.main-tabs{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;padding:.875rem 1rem;background:var(--bg-main-tabs);border-top-left-radius:var(--radius);border-top-right-radius:var(--radius);overflow:hidden;background-clip:padding-box}.main-tabs__primary{display:flex;flex-wrap:wrap;gap:.375rem;align-items:center}.main-tab-btn,.main-tab-btn.active{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:38px;padding:8px 17px;border-radius:8px;border:1px solid #4a7a94;background:#2a5470;color:#fff;font-size:17px;font-weight:600;line-height:22px;font-family:Manrope,system-ui,sans-serif;-webkit-font-smoothing:auto;-moz-osx-font-smoothing:auto;text-rendering:geometricPrecision}.main-tab-btn--settings{display:inline-flex;align-items:center;gap:.45rem;margin-left:auto}.main-tab-btn__icon{flex-shrink:0}.main-tab-btn:hover{background:#3d7898;border-color:#6aa3bc}.main-tab-btn.active{background:#fff;color:#1e40af;border-color:#fff}[data-theme=dark] .main-tab-btn{border-color:#4d8aa8;background:#1e4a5e;color:#f1f5f9}[data-theme=dark] .main-tab-btn:hover{background:#32718c;border-color:#6aadc8}[data-theme=dark] .main-tab-btn.active{background:var(--primary);color:#0f172a;border-color:var(--primary)}.tabs-divider{margin:0;border:none;border-top:2px solid var(--border);height:0}.sub-toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1rem;padding:.75rem;background:var(--bg-sub-toolbar);border-radius:8px}.students-toolbar{justify-content:space-between}.students-toolbar--cluster{justify-content:flex-start;gap:.5rem}.students-toolbar-panel{display:flex;flex-direction:column;gap:.75rem;width:100%;max-width:100%;min-width:0;box-sizing:border-box;margin-bottom:1rem;padding:.75rem;background:var(--bg-sub-toolbar);border-radius:8px}.students-toolbar-panel__row{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.students-toolbar-panel__row--actions{justify-content:flex-start}.students-toolbar-panel__row--actions .students-search{flex:0 1 28rem;min-width:min(100%,16rem);max-width:28rem;margin-left:auto}.students-toolbar-panel__row--filters{justify-content:space-between;gap:.75rem}.students-toolbar-panel__row--filters .students-filters.students-filters--right{width:auto;margin-left:auto;margin-right:0}.students-sort{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;--students-filter-control-h: calc(.9rem + 1.25em + 2px) }.students-filters--right{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-left:auto;--students-filter-control-h: calc(.9rem + 1.25em + 2px) }.students-filters--right .students-total-count{margin-left:0}.schedule-list-filters{width:100%;max-width:100%;min-width:0;box-sizing:border-box;margin-bottom:.75rem;gap:.65rem;container-type:inline-size;container-name:schedule-filters}.schedule-list-filters__row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:.75rem;width:100%}.schedule-list-filters__row--status{justify-content:flex-end;padding-bottom:.55rem;border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent)}.schedule-list-filters__row--periods-meta{display:flex;flex-wrap:nowrap;align-items:flex-end;gap:.75rem;width:100%;max-width:100%;min-width:0;box-sizing:border-box;padding-bottom:.55rem;border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent)}.schedule-list-period-toolbar.schedule-list-period-toolbar--quick{display:flex;flex:0 0 auto;flex-shrink:0;flex-wrap:nowrap;align-items:flex-end;gap:0;margin-top:0;padding-top:0;padding-right:.75rem;padding-bottom:0;border-top:none;border-right:1px solid color-mix(in srgb,var(--border) 55%,transparent);border-bottom:none;overflow:visible}.schedule-list-filters__periods-secondary{display:flex;flex:0 0 auto;flex-shrink:0;flex-wrap:nowrap;align-items:flex-end;justify-content:flex-start;gap:.75rem}.schedule-list-filters__row--periods-meta:not(.schedule-list-filters__row--periods-meta--stacked) .schedule-list-filters__periods-secondary{margin-left:auto}.schedule-list-filters__row--periods-meta--stacked{flex-direction:column;align-items:stretch;flex-wrap:nowrap;overflow-x:clip}.schedule-list-filters__row--periods-meta--stacked .schedule-list-period-toolbar--quick{width:100%;padding-right:0;padding-bottom:.55rem;border-right:none;border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent)}.schedule-list-filters__row--periods-meta--stacked .schedule-list-filters__periods-secondary{width:100%;margin-left:0;flex-wrap:wrap}.schedule-list-filters__row--periods-meta--stacked .schedule-list-meta-filters{margin-left:auto}.schedule-list-filters__row--periods-meta--compact .schedule-list-period-group{padding:0 .5rem}.schedule-list-filters__row--periods-meta--compact .schedule-list-period-group__title{font-size:.72rem}.schedule-list-filters__row--periods-meta--compact .schedule-list-period-filters{gap:.25rem}.schedule-list-filters__row--periods-meta--compact .schedule-list-period-filters .btn.btn-secondary.btn-toggle{padding:.35rem .55rem;font-size:.8125rem;line-height:1.15}.schedule-list-filters__row--periods-meta .schedule-list-period-group{flex:0 0 auto;min-width:0;padding:0 1rem}.schedule-list-filters__row--periods-meta .schedule-list-period-toolbar--quick .schedule-list-period-group{flex:0 0 auto}.schedule-list-filters__row--periods-meta .schedule-list-period-group--manual{align-items:center;padding-left:0;border-left:none}.schedule-list-filters__row--periods-meta .schedule-list-meta-filters{flex:0 1 auto;flex-wrap:nowrap;margin-left:auto;min-width:0}.schedule-list-filters__row--meta{justify-content:space-between;align-items:flex-end;gap:.75rem 1rem}.schedule-list-filters__row--meta .schedule-list-period-group--manual{flex:0 1 auto;align-items:flex-start;padding:0;border-left:none}.schedule-list-filters__row--meta .schedule-list-period-group--manual .schedule-list-period-group__title{text-align:left}.schedule-list-filters__row--meta .schedule-list-period-manual{justify-content:flex-start}.schedule-list-meta-filters{display:flex;flex:1 1 auto;flex-wrap:wrap;align-items:flex-end;justify-content:flex-end;gap:.75rem;min-width:min(100%,20rem);--students-filter-control-h: calc(.9rem + 1.25em + 2px) }.schedule-list-meta-filters>.students-total-count{align-self:center;flex-shrink:0;white-space:nowrap}.schedule-status-filters{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:.35rem .9rem}.schedule-status-filter{display:inline-flex;align-items:center;gap:.42rem;margin:0;padding:0;border:none;background:none;cursor:pointer;font:inherit;font-size:.8125rem;line-height:1.25;color:var(--text);white-space:nowrap;-webkit-user-select:none;user-select:none}.schedule-status-filter--selected .schedule-status-filter__label{color:var(--text);font-weight:500}.schedule-status-filter__label{color:var(--text-muted)}.schedule-status-filter__box{display:inline-grid;place-content:center;width:1.05rem;height:1.05rem;flex-shrink:0;border:2px solid color-mix(in srgb,var(--text-muted) 45%,var(--border));border-radius:4px;background:var(--input-bg);pointer-events:none;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.schedule-status-filter__box:after{content:"";width:.28rem;height:.52rem;border-right:2px solid transparent;border-bottom:2px solid transparent;transform:rotate(45deg) translate(-.5px,-1px);opacity:0}.schedule-status-filter:hover .schedule-status-filter__box{border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}.schedule-status-filter__box--checked{border-color:var(--primary);background:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 22%,transparent)}.schedule-status-filter__box--checked:after{border-right-color:#fff;border-bottom-color:#fff;opacity:1}.schedule-status-filter:focus-visible{outline:none;box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 14%,transparent);border-radius:4px}.schedule-list-filters .schedule-list-student-filters{display:flex;flex-wrap:nowrap;align-items:flex-end;gap:.75rem;margin-left:0;padding-left:0;border-left:none;--students-filter-control-h: calc(.9rem + 1.25em + 2px) }.schedule-list-period-toolbar:not(.schedule-list-period-toolbar--quick){display:flex;flex-wrap:wrap;align-items:flex-end;gap:0;margin-top:.65rem;padding-top:.65rem;border-top:1px solid var(--border)}.schedule-list-period-group{display:flex;flex-direction:column;align-items:center;gap:.35rem;min-width:0;padding:0 1rem;flex:1 1 auto}.schedule-list-filters__row--periods .schedule-list-period-group__title{font-size:.78rem}.schedule-list-period-filters{margin-top:0;padding-top:0;border-top:none;display:flex;flex-wrap:nowrap;gap:.35rem;width:auto;min-width:0;justify-content:center}.schedule-list-filters .schedule-list-period-filters .btn.btn-secondary.btn-toggle{flex:0 0 auto}@container schedule-filters (max-width: 1080px){.schedule-list-filters__row--status{flex-wrap:nowrap}.schedule-list-filters__row--status .schedule-status-filters{flex-wrap:nowrap;gap:.35rem;min-width:0;max-width:100%}.schedule-list-filters__row--status .schedule-status-filter{flex:0 1 auto;min-width:0;font-size:.75rem;gap:.28rem}.schedule-list-filters__row--status .schedule-status-filter__label{overflow:hidden;text-overflow:ellipsis}}.schedule-list-period-group:first-child{padding-left:0}.schedule-list-period-group:last-child{padding-right:0}.schedule-list-period-group+.schedule-list-period-group{border-left:1px solid color-mix(in srgb,var(--border) 55%,transparent)}.schedule-list-period-group__title{margin:0;width:100%;font-weight:400;font-size:.78rem;color:var(--text-muted);line-height:1.2;text-align:center}@media(max-width:720px){.schedule-list-filters__row--status{justify-content:flex-start}.schedule-list-filters__row--status .schedule-status-filters{justify-content:flex-start;width:100%}.schedule-list-filters__row--meta,.schedule-list-filters__row--periods-meta .schedule-list-meta-filters{align-items:stretch}.schedule-list-filters__periods-secondary{flex-wrap:wrap}.schedule-list-meta-filters{justify-content:flex-start;width:100%}}.schedule-list-period-manual{display:flex;flex-wrap:nowrap;gap:.5rem .75rem;align-items:flex-end;justify-content:flex-start}.schedule-list-period-manual .students-col-filter{margin:0;flex:0 0 auto}table.data-table.schedule-list-table thead th,table.data-table.schedule-list-table tbody td{text-align:center;vertical-align:middle}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted td{background:var(--schedule-row-cancelled-bg);border-bottom:1px solid var(--schedule-row-cancelled-border);color:color-mix(in srgb,var(--text-muted) 75%,var(--text))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .schedule-list-table__student-link,table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .link-btn.schedule-list-table__student-link,table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .journal-cell-link{color:color-mix(in srgb,var(--text-muted) 55%,var(--text))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .journal-cell-link:hover,table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .journal-cell-link:focus-visible{color:var(--journal-link-hover);text-decoration:none}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted:hover td{background:var(--schedule-row-cancelled-bg-hover);border-bottom-color:var(--schedule-row-cancelled-border)}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .hw-journal-edit-btn{border-color:color-mix(in srgb,var(--text-muted) 40%,var(--border));background:color-mix(in srgb,var(--text-muted) 10%,var(--input-bg));color:color-mix(in srgb,var(--text-muted) 50%,var(--primary))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted .hw-journal-edit-btn:hover:not(:disabled){border-color:color-mix(in srgb,var(--text-muted) 35%,var(--primary));background:color-mix(in srgb,var(--text-muted) 14%,var(--input-bg));color:color-mix(in srgb,var(--text-muted) 35%,var(--primary))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--selected td{background:color-mix(in srgb,var(--primary) 11%,var(--bg-card))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--selected:hover td{background:color-mix(in srgb,var(--primary) 16%,var(--bg-card))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted.schedule-list-table__row--selected td{background:color-mix(in srgb,var(--primary) 10%,var(--schedule-row-cancelled-bg))}table.data-table.schedule-list-table tbody tr.schedule-list-table__row--muted.schedule-list-table__row--selected:hover td{background:color-mix(in srgb,var(--primary) 14%,var(--schedule-row-cancelled-bg-hover))}table.data-table.schedule-list-table th.schedule-list-table__check-col,table.data-table.schedule-list-table td.schedule-list-table__check-col{width:2.75rem;min-width:2.75rem;max-width:2.75rem;padding-left:.5rem;padding-right:.35rem;text-align:center;vertical-align:middle}.schedule-lesson-check{-moz-appearance:none;appearance:none;-webkit-appearance:none;display:inline-grid;place-content:center;width:1.2rem;height:1.2rem;margin:0;border:2px solid color-mix(in srgb,var(--text-muted) 45%,var(--border));border-radius:999px;background:var(--input-bg);cursor:pointer;vertical-align:middle;flex-shrink:0;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.schedule-lesson-check:after{content:"";width:.3rem;height:.55rem;border-right:2px solid transparent;border-bottom:2px solid transparent;transform:rotate(45deg) translate(-.5px,-1px);opacity:0;transition:opacity .12s ease}.schedule-lesson-check:hover:not(:disabled){border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}.schedule-lesson-check:checked{border-color:var(--primary);background:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 22%,transparent)}.schedule-lesson-check:checked:after{border-right-color:#fff;border-bottom-color:#fff;opacity:1}.schedule-lesson-check:indeterminate{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 28%,var(--input-bg))}.schedule-lesson-check:indeterminate:after{width:.55rem;height:0;border:none;border-bottom:2px solid var(--primary);transform:none;opacity:1}.schedule-lesson-check:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px}.settings-check input[type=checkbox],.settings-check input[type=radio],.checkbox-field input[type=checkbox],.hw-answer-no-answer input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;display:inline-grid;place-content:center;width:1.05rem;height:1.05rem;margin:0;border:2px solid color-mix(in srgb,var(--text-muted) 45%,var(--border));border-radius:4px;background:var(--input-bg);cursor:pointer;vertical-align:middle;flex-shrink:0;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.settings-check input[type=checkbox]:after,.settings-check input[type=radio]:after,.checkbox-field input[type=checkbox]:after,.hw-answer-no-answer input[type=checkbox]:after{content:"";width:.28rem;height:.52rem;border-right:2px solid transparent;border-bottom:2px solid transparent;transform:rotate(45deg) translate(-.5px,-1px);opacity:0;transition:opacity .12s ease}.settings-check input[type=checkbox]:hover:not(:disabled),.settings-check input[type=radio]:hover:not(:disabled),.checkbox-field input[type=checkbox]:hover:not(:disabled),.hw-answer-no-answer input[type=checkbox]:hover:not(:disabled){border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}.settings-check input[type=checkbox]:checked,.settings-check input[type=radio]:checked,.checkbox-field input[type=checkbox]:checked,.hw-answer-no-answer input[type=checkbox]:checked{border-color:var(--primary);background:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 22%,transparent)}.settings-check input[type=checkbox]:checked:after,.settings-check input[type=radio]:checked:after,.checkbox-field input[type=checkbox]:checked:after,.hw-answer-no-answer input[type=checkbox]:checked:after{border-right-color:#fff;border-bottom-color:#fff;opacity:1}.settings-check input[type=checkbox]:focus-visible,.settings-check input[type=radio]:focus-visible,.checkbox-field input[type=checkbox]:focus-visible,.hw-answer-no-answer input[type=checkbox]:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px}.schedule-lessons-table-shell--bulk-open{padding-bottom:4.75rem}.schedule-bulk-bar{position:fixed;left:0;right:0;bottom:0;z-index:1400;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.65rem 1rem;padding:.65rem 1.25rem;border-top:1px solid var(--border);background:color-mix(in srgb,var(--bg-card) 94%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 -8px 24px #0f172a1a}.schedule-bulk-bar__count{font-size:.875rem;font-weight:600;color:var(--text)}.schedule-bulk-bar__actions{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .75rem}.schedule-bulk-bar__status-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;min-width:9.5rem;padding:.35rem 2rem .35rem .65rem;border:1px solid var(--border);border-radius:8px;background-color:var(--input-bg);background-image:var(--select-chevron);background-repeat:no-repeat;background-position:right var(--select-chevron-inset) center;background-size:var(--select-chevron-size);color:var(--text);font:inherit;font-size:.8125rem;cursor:pointer}.schedule-bulk-bar .btn{padding:.35rem .75rem;font-size:.8125rem}[data-theme=dark] .schedule-bulk-bar{box-shadow:0 -8px 24px #00000059}.schedule-list-table__name-cell{vertical-align:middle}.journal-cell-link{color:var(--text);font-size:1rem;font-weight:600;text-decoration:none;transition:color .15s ease}.journal-cell-link:hover{color:var(--journal-link-hover);text-decoration:none}[data-theme=dark] .journal-cell-link:hover{color:var(--journal-link-hover)}.journal-cell-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.journal-cell-link--regular{font-weight:400}.journal-cell-link--name,.link-btn.journal-cell-link:not(.journal-cell-link--regular),.schedule-list-table__student-link.journal-cell-link,.homework-journal-student-link.journal-cell-link,.students-table td.students-table__name .journal-cell-link{font-weight:600}table.data-table.schedule-list-table th.schedule-list-table__topic{text-align:center;vertical-align:middle}.schedule-list-table__topic-cell{max-width:25ch;white-space:pre-wrap;word-break:break-word;text-align:center;vertical-align:middle}table.data-table.schedule-list-table th.schedule-list-table__comment{text-align:center;vertical-align:middle}.schedule-list-table__comment-cell{max-width:14rem;text-align:left;vertical-align:middle;cursor:default}.schedule-list-table__comment-text{display:block;max-width:100%;min-width:0}.schedule-list-table__comment-cell:not(.schedule-list-table__comment-cell--expanded){overflow:hidden}.schedule-list-table__comment-cell:not(.schedule-list-table__comment-cell--expanded) .schedule-list-table__comment-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%}.schedule-list-table__comment-cell--expanded .schedule-list-table__comment-text{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.schedule-list-table__comment-cell--interactive{cursor:pointer}.schedule-list-table__comment-cell--interactive:hover .schedule-list-table__comment-text{color:var(--journal-link-hover)}table.data-table.schedule-list-table th.schedule-list-table__amount{text-align:center;white-space:nowrap}table.data-table.schedule-list-table td.schedule-list-table__amount-cell{text-align:right;white-space:nowrap;vertical-align:middle}.schedule-list-table__total-row td{border-top:1px solid var(--border);padding-top:.65rem}.schedule-list-table__total-row:first-child td{border-top:2px solid var(--border)}.schedule-list-table__total-row--grand td{font-weight:600}table.data-table.schedule-list-table th.schedule-list-table__hw-group,table.data-table.schedule-list-table th.schedule-list-table__hw-sub{text-align:center;vertical-align:middle}table.data-table.schedule-list-table th.schedule-list-table__hw-sub{font-size:.78rem;font-weight:600}table.data-table.schedule-list-table td.schedule-list-table__hw-cell,table.data-table.schedule-list-table td.schedule-list-table__toggle-cell{text-align:center;vertical-align:middle}.lesson-status-toggle,.lesson-paid-toggle{display:inline-flex;align-items:center;justify-content:center}.lesson-status-toggle--readonly .journal-table-check{cursor:default;pointer-events:none}.journal-table-check{display:inline-flex;align-items:center;justify-content:center;min-width:1.75rem;min-height:1.75rem;padding:.15rem;border-radius:6px;border:2px solid color-mix(in srgb,var(--text-muted) 45%,var(--border));background:var(--input-bg);color:var(--primary);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.journal-table-check--on{border-color:color-mix(in srgb,var(--primary) 45%,var(--border));background:color-mix(in srgb,var(--primary-light) 40%,var(--input-bg))}.journal-table-check--on svg{width:1.15rem;height:1.15rem}.journal-table-check:hover:not(:disabled){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--primary)}.journal-table-check--on:hover:not(:disabled){color:var(--primary-dark)}.journal-table-check:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px}.journal-table-check:disabled{cursor:wait}.lesson-status-toggle--readonly .journal-table-check:disabled{cursor:default}.schedule-toolbar{justify-content:flex-start}.schedule-toolbar-primary{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.schedule-toolbar-view{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-left:auto}.schedule-toolbar-view .sub-tab-btn{font-weight:700}.schedule-toolbar-view .sub-tab-btn.active,.schedule-toolbar-view .sub-tab-btn.active:not(:hover),.schedule-toolbar-view .sub-tab-btn.active:not(:hover):focus,.schedule-toolbar-view .sub-tab-btn.active:not(:hover):focus-visible,.schedule-toolbar-view .sub-tab-btn.active:hover,.schedule-toolbar-view .sub-tab-btn.active:focus-visible:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark);outline:none!important;box-shadow:none!important}[data-theme=dark] .schedule-toolbar-view .sub-tab-btn.active,[data-theme=dark] .schedule-toolbar-view .sub-tab-btn.active:hover{color:var(--primary)}.schedule-toolbar-view .sub-tab-btn:focus,.schedule-toolbar-view .sub-tab-btn:focus-visible{outline:none!important;box-shadow:none!important}.students-flash-message{margin:0 0 1rem}.students-archive-panel{margin-bottom:1rem}.students-archive-title{margin:0 0 .35rem}.students-archive-hint{margin:0 0 .75rem;color:var(--text-muted);font-size:.875rem}.btn-secondary.active{border-color:var(--primary);color:var(--primary-dark);background:color-mix(in srgb,var(--primary-light) 35%,var(--input-bg))}.students-search{display:flex;align-items:center;gap:.65rem}.students-search__label{font-size:.875rem;font-weight:600;color:var(--text-muted);white-space:nowrap}.students-search__input{flex:1;min-width:0;padding:.5rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--input-bg);color:var(--text);font:inherit;transition:border-color .12s,background .12s}.students-journal-tab .students-search__input:focus{outline:none;border-color:color-mix(in srgb,var(--primary) 35%,var(--border));background:color-mix(in srgb,var(--primary-light) 45%,var(--input-bg));box-shadow:none}.students-filters{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-left:auto;margin-right:28px;--students-filter-control-h: calc(.9rem + 1.25em + 2px) }.students-total-count{margin-left:auto;padding-left:.75rem;border-left:1px solid var(--border);font-size:.875rem;font-weight:600;color:var(--text-muted);white-space:nowrap;display:inline-flex;align-items:center;min-height:var(--students-filter-control-h)}.students-col-filter{display:inline-flex;align-items:center;gap:.5rem}.students-col-filter__label{font-size:.875rem;font-weight:600;color:var(--text-muted);white-space:nowrap}.students-col-filter__select{min-width:9rem;max-width:14rem;padding:.45rem 2rem .45rem .65rem;border-radius:8px;border:1px solid var(--border);background-color:var(--input-bg);color:var(--text);box-sizing:border-box;min-height:var(--students-filter-control-h);transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease}.students-col-filter__select:focus,.students-col-filter__select:focus-visible{outline:none;border-color:color-mix(in srgb,var(--primary) 42%,var(--border));background-color:color-mix(in srgb,var(--primary-light) 38%,var(--input-bg));box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 14%,transparent)}.students-col-filter .date-input-trigger:focus,.students-col-filter .date-input-trigger:focus-visible,.schedule-list-filters .date-input-trigger:focus,.schedule-list-filters .date-input-trigger:focus-visible{outline:none;border-color:color-mix(in srgb,var(--primary) 42%,var(--border));background:color-mix(in srgb,var(--primary-light) 38%,var(--input-bg));box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 14%,transparent)}.students-col-filter__select--wide{min-width:8.8rem;max-width:14.4rem}.students-col-filter__select--fixed{width:11.5rem;min-width:11.5rem;max-width:11.5rem}.students-col-filter--disabled .students-col-filter__label,.students-col-filter--disabled .students-col-filter__select{opacity:.55}.students-col-filter--disabled .students-col-filter__select:disabled{cursor:not-allowed}.students-col-filter__multi-trigger{display:inline-flex;align-items:center;width:100%;text-align:left;font:inherit;cursor:pointer;background-image:var(--select-chevron);background-repeat:no-repeat;background-position:right var(--select-chevron-inset) center;background-size:var(--select-chevron-size)}.students-col-filter__multi-trigger-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.students-col-filter__multi-trigger--placeholder .students-col-filter__multi-trigger-text{color:var(--text)}.students-col-filter__multi-trigger--open,.students-col-filter__multi-trigger:focus-visible{outline:none;border-color:color-mix(in srgb,var(--primary) 42%,var(--border));background-color:color-mix(in srgb,var(--primary-light) 38%,var(--input-bg));box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 14%,transparent)}.multi-select-filter__menu{padding:.35rem 0;overflow-y:auto}.multi-select-filter__actions{display:flex;justify-content:flex-end;padding:.15rem .5rem .35rem;border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent);margin-bottom:.15rem}.multi-select-filter__clear{border:none;background:transparent;color:var(--primary);font:inherit;font-size:.8125rem;font-weight:600;padding:.2rem .35rem;border-radius:6px;cursor:pointer}.multi-select-filter__clear:hover{background:var(--table-hover)}.multi-select-filter__option{display:flex;align-items:center;gap:.5rem;width:100%;margin:0;padding:.45rem .65rem;color:var(--text);font-size:.875rem;cursor:pointer;-webkit-user-select:none;user-select:none}.multi-select-filter__option:hover{background:var(--table-hover)}.multi-select-filter__option--checked{background:color-mix(in srgb,var(--primary-light) 55%,transparent)}.multi-select-filter__option input[type=checkbox]{margin:0}.teacher-groups-settings{display:grid;gap:.65rem}.student-status{display:inline-block;box-sizing:border-box;padding:.2rem .55rem;border-radius:999px;font-size:.8rem;font-weight:600;white-space:nowrap}.student-status--active{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.student-status--inactive{background:var(--badge-tone-negative-bg);color:var(--badge-tone-negative-fg);border:1px solid var(--badge-tone-negative-border)}.student-status--graduate{background:var(--badge-tone-positive-bg);color:var(--badge-tone-positive-fg);border:1px solid var(--badge-tone-positive-border)}.student-status--vacation{background:var(--badge-tone-warning-bg);color:var(--badge-tone-warning-fg);border:1px solid var(--badge-tone-warning-border)}.student-status-badge--active{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.student-status-badge--inactive{background:var(--badge-tone-negative-bg);color:var(--badge-tone-negative-fg);border:1px solid var(--badge-tone-negative-border)}.student-status-badge--graduate{background:var(--badge-tone-positive-bg);color:var(--badge-tone-positive-fg);border:1px solid var(--badge-tone-positive-border)}.student-status-badge--vacation{background:var(--badge-tone-warning-bg);color:var(--badge-tone-warning-fg);border:1px solid var(--badge-tone-warning-border)}.lesson-result{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:7.2rem;min-height:2.2rem;padding:.43rem .94rem;border-radius:999px;font-size:1rem;font-weight:600;white-space:nowrap;line-height:1.2;transition:filter .15s ease,transform .15s ease,box-shadow .15s ease}.lesson-result--excellent{background:var(--badge-tone-positive-bg);color:var(--badge-tone-positive-fg);border:1px solid var(--badge-tone-positive-border)}.lesson-result--good{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.lesson-result--satisfactory{background:var(--badge-tone-warning-bg);color:var(--badge-tone-warning-fg);border:1px solid var(--badge-tone-warning-border)}.lesson-result--poor{background:var(--badge-tone-soft-red-bg);color:var(--badge-tone-soft-red-fg);border:1px solid var(--badge-tone-soft-red-border)}.lesson-result--fail{background:var(--badge-tone-critical-bg);color:var(--badge-tone-critical-fg);border:1px solid var(--badge-tone-critical-border)}.lesson-result--none,.lesson-result--custom{background:var(--badge-tone-neutral-bg);color:var(--badge-tone-neutral-fg);border:1px solid var(--badge-tone-neutral-border)}.lesson-badge-dropdown__manual{display:flex;gap:.35rem;align-items:center;padding:.45rem .5rem .55rem;border-top:1px solid var(--border);margin-top:.25rem}.lesson-badge-dropdown__manual-input{flex:1;min-width:0;padding:.35rem .5rem;font-size:.9rem}.lesson-badge-dropdown__manual-apply{flex-shrink:0}.lesson-result--reschedule{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.lesson-result--cancelled{background:var(--badge-tone-negative-bg);color:var(--badge-tone-negative-fg);border:1px solid var(--badge-tone-negative-border)}.lesson-status-badge{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:8.65rem;min-height:2.2rem;padding:.43rem .94rem;border-radius:999px;font-size:1rem;font-weight:600;white-space:nowrap;line-height:1.2;transition:filter .15s ease,transform .15s ease,box-shadow .15s ease}.lesson-status-badge--active{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.lesson-status-badge--completed{background:var(--badge-tone-neutral-bg);color:var(--badge-tone-neutral-fg);border:1px solid var(--badge-tone-neutral-border)}.lesson-status-badge--cancelled{background:var(--badge-tone-negative-bg);color:var(--badge-tone-negative-fg);border:1px solid var(--badge-tone-negative-border)}.lesson-status-badge--rescheduled{background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}.lesson-badge-dropdown__trigger{display:inline-flex;align-items:center;justify-content:center;padding:0;border:none;background:transparent;cursor:pointer;border-radius:999px;line-height:1}.lesson-badge-dropdown__trigger:focus-visible{outline:none}.lesson-badge-dropdown__trigger:hover:not(:disabled) .lesson-result,.lesson-badge-dropdown__trigger:hover:not(:disabled) .lesson-status-badge,.lesson-badge-dropdown__trigger:hover:not(:disabled) [class*=student-status-badge--],.lesson-badge-dropdown__trigger--open .lesson-result,.lesson-badge-dropdown__trigger--open .lesson-status-badge,.lesson-badge-dropdown__trigger--open [class*=student-status-badge--],.lesson-badge-dropdown__trigger:focus-visible .lesson-result,.lesson-badge-dropdown__trigger:focus-visible .lesson-status-badge,.lesson-badge-dropdown__trigger:focus-visible [class*=student-status-badge--]{filter:brightness(1.06);transform:scale(1.02);box-shadow:0 2px 5px #0f172a1f}[data-theme=dark] .lesson-badge-dropdown__trigger:hover:not(:disabled) .lesson-result,[data-theme=dark] .lesson-badge-dropdown__trigger:hover:not(:disabled) .lesson-status-badge,[data-theme=dark] .lesson-badge-dropdown__trigger:hover:not(:disabled) [class*=student-status-badge--],[data-theme=dark] .lesson-badge-dropdown__trigger--open .lesson-result,[data-theme=dark] .lesson-badge-dropdown__trigger--open .lesson-status-badge,[data-theme=dark] .lesson-badge-dropdown__trigger--open [class*=student-status-badge--],[data-theme=dark] .lesson-badge-dropdown__trigger:focus-visible .lesson-result,[data-theme=dark] .lesson-badge-dropdown__trigger:focus-visible .lesson-status-badge,[data-theme=dark] .lesson-badge-dropdown__trigger:focus-visible [class*=student-status-badge--]{filter:brightness(1.1);box-shadow:0 2px 6px #00000059}.lesson-badge-dropdown__trigger:disabled{cursor:wait;opacity:.7}.lesson-badge-dropdown__menu{position:fixed;z-index:1200;margin:0;padding:.35rem;list-style:none;transform:translate(-50%);background:var(--input-bg);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);overflow-x:hidden;overscroll-behavior:contain}.lesson-badge-dropdown__menu--status,.lesson-badge-dropdown__menu--student-status{width:6.5rem;min-width:6.5rem}.lesson-badge-dropdown__menu--result{width:5.75rem;min-width:5.75rem}.lesson-badge-dropdown__menu li+li{margin-top:.25rem}.lesson-badge-dropdown__option{display:block;width:100%;padding:0;border:none;background:transparent;cursor:pointer;border-radius:999px}.lesson-badge-dropdown__option:hover,.lesson-badge-dropdown__option--selected{background:transparent}.lesson-badge-dropdown__option .lesson-result,.lesson-badge-dropdown__option .lesson-status-badge,.lesson-badge-dropdown__option [class*=student-status-badge--]{display:flex;width:100%;min-width:100%;box-sizing:border-box;text-align:center;justify-content:center;padding:.43rem .94rem;min-height:2.2rem;border-radius:999px;transition:filter .15s ease,transform .15s ease,box-shadow .15s ease}.lesson-badge-dropdown__option:hover .lesson-result,.lesson-badge-dropdown__option:hover .lesson-status-badge,.lesson-badge-dropdown__option:hover [class*=student-status-badge--]{filter:brightness(1.05);transform:scale(1.01);box-shadow:0 1px 4px #0f172a1a}.lesson-badge-dropdown__option--selected .lesson-result,.lesson-badge-dropdown__option--selected .lesson-status-badge,.lesson-badge-dropdown__option--selected [class*=student-status-badge--]{filter:brightness(1.03);box-shadow:inset 0 0 0 1px #0f172a14}[data-theme=dark] .lesson-badge-dropdown__option:hover .lesson-result,[data-theme=dark] .lesson-badge-dropdown__option:hover .lesson-status-badge,[data-theme=dark] .lesson-badge-dropdown__option:hover [class*=student-status-badge--]{filter:brightness(1.08);box-shadow:0 1px 4px #0000004d}[data-theme=dark] .lesson-badge-dropdown__option--selected .lesson-result,[data-theme=dark] .lesson-badge-dropdown__option--selected .lesson-status-badge,[data-theme=dark] .lesson-badge-dropdown__option--selected [class*=student-status-badge--]{box-shadow:inset 0 0 0 1px #ffffff1f}table.data-table.schedule-list-table td.schedule-list-table__badge-cell,table.data-table.students-table td.students-table__status-cell{text-align:center;vertical-align:middle}table.data-table.schedule-list-table td.schedule-list-table__badge-cell .lesson-badge-dropdown__trigger,table.data-table.students-table td.students-table__status-cell .lesson-badge-dropdown__trigger{cursor:pointer}table.data-table.schedule-list-table td.schedule-list-table__time-cell{text-align:center;vertical-align:middle;white-space:nowrap}.schedule-list-table__time-duration{margin-top:.15rem;font-size:.75rem;color:var(--text-muted);line-height:1.2}.toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.sub-tab-btn{border:1px solid var(--border);background:var(--input-bg);padding:.5rem .9rem;border-radius:999px;color:var(--text-muted);transition:background .15s,border-color .15s,color .15s}.sub-tab-btn:hover:not(.active){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}.sub-tab-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}:root .sub-tab-btn.active:hover,[data-theme=light] .sub-tab-btn.active:hover{background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}[data-theme=dark] .sub-tab-btn.active:hover{background:var(--btn-hover-bg);border-color:var(--btn-hover-border);color:var(--btn-hover-fg)}[data-theme=dark] .sub-tab-btn.active{color:#042f2e}.btn,.btn-secondary{border-radius:8px;padding:8px 16px;font-size:16px;line-height:20px;font-weight:600;-webkit-font-smoothing:auto;-moz-osx-font-smoothing:auto;text-rendering:geometricPrecision;transition:background .15s,border-color .15s,color .15s}.btn{border:none;background:var(--btn-primary-bg, var(--primary));color:#fff}[data-theme=dark] .btn{color:#fff}.btn:hover:not(:disabled){background:var(--btn-hover-bg);border-color:var(--btn-hover-border)}.btn:not(.btn-secondary):hover:not(:disabled){color:var(--btn-hover-fg)}:root .btn:not(.btn-secondary):not(.btn-danger),[data-theme=light] .btn:not(.btn-secondary):not(.btn-danger){border:1px solid transparent}:root .btn:not(.btn-secondary):not(.btn-danger):hover:not(:disabled),[data-theme=light] .btn:not(.btn-secondary):not(.btn-danger):hover:not(:disabled){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}.btn-secondary:hover:not(:disabled){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}.btn-danger:hover:not(:disabled){background:var(--btn-hover-bg);border-color:var(--btn-hover-border);color:var(--btn-hover-fg)}.btn-secondary{background:var(--input-bg);color:var(--text);border:1px solid var(--border)}.btn-toggle.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.btn-secondary.btn-toggle:hover:not(:disabled){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}.btn-secondary.btn-toggle.active:hover:not(:disabled){border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}[data-theme=dark] .btn-toggle.active{color:var(--primary)}[data-theme=dark] .btn-secondary.btn-toggle.active:hover:not(:disabled){color:var(--primary)}[data-theme=dark] .homework-period-filters .btn.btn-secondary.btn-toggle:hover:not(:disabled),[data-theme=dark] .schedule-list-period-filters .btn.btn-secondary.btn-toggle:hover:not(:disabled){color:#fff}.btn-danger{background:var(--danger);color:#fff}.students-journal-tab .btn-danger:hover:not(:disabled){background:#334155;border-color:#334155;color:#fff}.form-grid{display:grid;gap:.75rem}.form-grid label{display:grid;gap:.35rem;font-size:.875rem;color:var(--text-muted)}.form-grid label.checkbox-field,.form-grid label.settings-check{display:inline-flex;flex-direction:row;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text);cursor:pointer;margin-top:0}.form-grid label.checkbox-field{margin-top:-.35rem;color:var(--text-muted)}.native-select-trigger{width:100%;padding:.5rem 2rem .5rem .65rem;border:1px solid var(--border);border-radius:8px;background-color:var(--input-bg);background-image:var(--select-chevron);background-repeat:no-repeat;background-position:right var(--select-chevron-inset) center;background-size:var(--select-chevron-size);color:var(--text);text-align:left;font:inherit;cursor:pointer}.native-select-trigger--placeholder{color:var(--text-muted)}.native-select-trigger:disabled{opacity:.6;cursor:not-allowed}.native-select-dropdown{width:min(22rem,100%);max-height:380px;margin:0;padding:0;list-style:none;overflow-y:auto;background:var(--input-bg);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.native-select-dropdown--portal{position:fixed;z-index:1700;box-sizing:border-box}.native-select-dropdown--side-panel{height:var(--native-select-side-height, auto);max-height:var(--native-select-side-height, 380px );display:flex;flex-direction:column}.native-select-dropdown--side-panel .native-select-option{flex-shrink:0}.native-select-side-keep-open{position:fixed;z-index:1699;background:transparent;pointer-events:auto}.native-select-divider{margin:.35rem .65rem;padding:0;border:none;border-top:1px solid color-mix(in srgb,var(--border) 70%,transparent);list-style:none}.subject-manual-input::placeholder{color:var(--text-muted);opacity:1;font:inherit}.exam-goal-field-block{border-bottom:none;padding-bottom:0}.form-grid .exam-goal-field-block label.checkbox-field{margin-top:calc(.45rem - 10px)}.subject-field-block{display:grid;gap:.5rem}.subject-field-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.subject-remove-btn{padding:.25rem .55rem;font-size:.75rem;line-height:1.2;flex-shrink:0}.form-grid .subject-field-block label.checkbox-field{margin-top:calc(.45rem - 10px)}.form-grid-field-divider-after{padding-bottom:.5rem;border-bottom:1px dashed var(--border)}.subject-add-btn,.parents-add-btn{justify-self:start}.subject-add-btn{margin-top:-.25rem}.parents-field-block{display:grid;gap:.5rem;padding-top:.5rem;border-top:1px dashed var(--border)}.parent-children-readonly{display:flex;flex-direction:column;gap:.35rem}.parent-children-readonly__item{font-size:1rem;line-height:1.4}.parents-linked-list{display:flex;flex-direction:column;gap:.35rem}.parents-linked-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.parents-unlink-btn{padding:.25rem .55rem;font-size:.75rem;line-height:1.2;flex-shrink:0}.parents-linked-list__item{display:block;flex:1;min-width:0;width:auto;font-size:inherit;font-weight:600;text-align:left;padding:0;transition:color .15s ease,text-decoration-color .15s ease;text-decoration:none;text-underline-offset:2px}.parents-linked-list__item:hover{color:var(--primary-dark);text-decoration:underline;text-decoration-color:var(--primary)}[data-theme=dark] .parents-linked-list__item:hover{color:#5eead4}.parents-linked-list__item:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.form-grid label .native-select-trigger{width:100%;box-sizing:border-box}.native-select-option{display:block;width:100%;min-height:38px;padding:.5rem .65rem;border:none;background:transparent;color:var(--text);text-align:left;font:inherit;line-height:1.35;cursor:pointer}.native-select-option:hover,.native-select-option:focus-visible{background:var(--table-hover);outline:none}.native-select-option--placeholder{color:var(--text-muted)}.native-select-option--selected{background:var(--primary-light);color:var(--primary-dark);font-weight:600}[data-theme=dark] .native-select-option--selected{color:#5eead4}.form-grid input:not([type=checkbox]):not([type=radio]),.form-grid select,.form-grid textarea{border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;background:var(--input-bg);color:var(--text)}.form-grid select{padding:.5rem 2rem .5rem .65rem;background-color:var(--input-bg)}.date-input-wrap{position:relative}.date-input-wrap--journal-due{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%}.date-input-wrap--journal-due .date-input-trigger{width:auto;min-width:6.75rem;display:inline-flex;align-items:center;justify-content:center;text-align:center;padding:.2rem .45rem;font-size:1rem}.date-input-trigger{width:100%;padding:.5rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font:inherit;text-align:left;cursor:pointer;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.date-input-trigger:disabled{opacity:.65;cursor:not-allowed}.date-input-trigger--empty{color:var(--text-muted)}.date-input-trigger:hover{border-color:var(--primary)}.date-input-validator{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.date-picker-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1700;display:flex;align-items:center;justify-content:center;padding:1rem;background:var(--overlay);overscroll-behavior:contain}.date-picker-popover{position:relative;width:min(320px,calc(100vw - 2rem));min-width:280px;padding:.75rem;border:1px solid var(--border);border-radius:10px;background:var(--modal-bg);box-shadow:var(--shadow)}.date-picker-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.65rem}.date-picker-title{font-weight:700;font-size:.95rem}.date-picker-nav{width:2rem;height:2rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font-size:1.25rem;line-height:1;cursor:pointer}.date-picker-nav:hover{border-color:var(--primary);color:var(--primary-dark)}.date-picker-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:.2rem;margin-bottom:.35rem}.date-picker-weekday{text-align:center;font-size:.75rem;font-weight:700;color:var(--primary-dark);background:color-mix(in srgb,var(--primary-light) 55%,var(--input-bg));border-radius:6px;padding:.3rem 0}[data-theme=dark] .date-picker-weekday{color:var(--primary);background:color-mix(in srgb,var(--primary-light) 70%,var(--input-bg))}.date-picker-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:.2rem}.date-picker-day{aspect-ratio:1;border:none;border-radius:8px;background:transparent;color:var(--text);font:inherit;font-size:.875rem;cursor:pointer}.date-picker-day:hover:not(:disabled):not(.date-picker-day--empty){background:color-mix(in srgb,var(--primary-light) 50%,var(--input-bg))}.date-picker-day--today{background:#dcfce7;color:#166534;font-weight:700}.date-picker-day--holiday:not(.date-picker-day--selected){background:#fee2e2;color:#b91c1c}.date-picker-day--holiday.date-picker-day--today:not(.date-picker-day--selected){background:color-mix(in srgb,#fee2e2 55%,#dcfce7);color:#166534}[data-theme=dark] .date-picker-day--today{background:#14532d;color:#bbf7d0}[data-theme=dark] .date-picker-day--holiday:not(.date-picker-day--selected){background:#450a0a;color:#fecaca}[data-theme=dark] .date-picker-day--holiday.date-picker-day--today:not(.date-picker-day--selected){background:color-mix(in srgb,#450a0a 55%,#14532d);color:#bbf7d0}.date-picker-day--selected{background:var(--primary);color:#fff;font-weight:700}.date-picker-day--selected.date-picker-day--today{background:var(--primary);color:#fff}.date-picker-day--disabled{opacity:.45;color:var(--text-muted);background:color-mix(in srgb,var(--border) 55%,transparent);cursor:not-allowed}.date-picker-day--empty{pointer-events:none}.datetime-picker-popover{width:min(430px,calc(100vw - 2rem));padding:.6rem}.datetime-picker-popover .date-picker-title{font-size:.85rem}.datetime-picker-popover .date-picker-day{font-size:.78rem}.datetime-picker-popover .date-picker-weekday{font-size:.68rem;padding:.2rem 0}.datetime-picker-body{display:flex;gap:.5rem;align-items:flex-start}.datetime-picker-calendar{flex:1;min-width:0}.datetime-picker-time{display:flex;flex-direction:column;gap:.35rem;padding-left:.5rem;border-left:1px solid var(--border);flex-shrink:0}.datetime-picker-time-pickers{display:flex;gap:calc(.75rem + 10px)}.datetime-picker-time-col{display:flex;flex-direction:column;gap:.25rem;min-width:2.6rem}.datetime-picker-time-col--hours{align-items:center;min-width:0}.datetime-picker-hours-grid,.datetime-picker-minutes-grid{display:grid;grid-template-columns:repeat(2,auto);grid-auto-flow:column;gap:.12rem;justify-content:center}.datetime-picker-hours-grid{grid-template-rows:repeat(8,auto)}.datetime-picker-minutes-grid{grid-template-rows:repeat(6,auto)}.datetime-picker-hours-grid .datetime-picker-time-option,.datetime-picker-minutes-grid .datetime-picker-time-option{width:1.9rem;min-width:1.9rem;max-width:1.9rem;padding:.22rem 0;font-size:.78rem;text-align:center}.datetime-picker-time-col--minutes{align-items:center;width:fit-content}.datetime-picker-manual{display:grid;gap:.25rem;font-size:.75rem;color:var(--text-muted)}.datetime-picker-manual__label{font-weight:600}.datetime-picker-manual input{width:100%;min-width:4.5rem;padding:.35rem .5rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font:inherit;font-size:.875rem}.datetime-picker-manual input:focus{outline:none;border-color:var(--primary)}.form-datetime-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.form-datetime-row>label{display:grid;gap:.35rem;font-size:.875rem;color:var(--text-muted)}.lesson-reschedule-block{display:grid;gap:.65rem;padding:.65rem 0 0;border-top:1px dashed var(--border)}.lesson-reschedule-block__title{margin:0;font-size:.875rem;font-weight:600;color:var(--text)}.datetime-picker-time-label{text-align:center;font-size:.75rem;font-weight:700;color:var(--primary-dark);background:color-mix(in srgb,var(--primary-light) 55%,var(--input-bg));border-radius:6px;padding:.3rem .25rem;align-self:stretch}.datetime-picker-time-col--minutes .datetime-picker-time-label{width:100%}[data-theme=dark] .datetime-picker-time-label{color:var(--primary);background:color-mix(in srgb,var(--primary-light) 70%,var(--input-bg))}.datetime-picker-scroll{display:flex;flex-direction:column;gap:.12rem;overflow:visible;max-height:none;padding-right:0}.datetime-picker-time-option{min-width:2.75rem;padding:.35rem .25rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font:inherit;font-size:.875rem;cursor:pointer}.datetime-picker-time-option:hover{border-color:var(--primary);background:color-mix(in srgb,var(--primary-light) 50%,var(--input-bg))}.datetime-picker-time-option--selected{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}.datetime-picker-time-option--disabled{opacity:.38;cursor:not-allowed;text-decoration:line-through;background:color-mix(in srgb,var(--text-muted) 12%,transparent)}.datetime-picker-footer{display:flex;justify-content:flex-end;gap:.35rem;margin-top:.45rem}.datetime-picker-footer .btn{padding:.3rem .6rem;font-size:.78rem}[data-theme=dark] .date-picker-nav,[data-theme=dark] .datetime-picker-time-option{background:color-mix(in srgb,#86efac 18%,#14532d);color:#bbf7d0;border-color:#166534}[data-theme=dark] .date-picker-nav:hover,[data-theme=dark] .datetime-picker-time-option:hover:not(.datetime-picker-time-option--selected){background:color-mix(in srgb,#86efac 28%,#166534);border-color:#4ade80;color:#ecfccb}[data-theme=dark] .datetime-picker-time-option--selected{background:var(--primary);border-color:var(--primary);color:#fff}@media(max-width:560px){.datetime-picker-body{flex-direction:column}.datetime-picker-time{border-left:none;padding-left:0;padding-top:.75rem;border-top:1px solid var(--border)}.datetime-picker-time-pickers{justify-content:center}.form-datetime-row{grid-template-columns:1fr}}.hw-mode-switch{display:flex;gap:.5rem;flex-wrap:wrap}.hw-mode-btn{flex:1;min-width:140px;padding:.65rem 1rem;border-radius:8px;border:2px solid var(--border);background:var(--input-bg);color:var(--text);font-weight:600}.hw-mode-btn.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}[data-theme=dark] .hw-mode-btn.active{color:var(--primary)}.examples-table input{width:100%}.examples-table-points{width:100px;text-align:center;vertical-align:middle}.examples-table-points input,.examples-table-points-box{width:100%;box-sizing:border-box;border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;background:var(--input-bg);color:var(--text);text-align:center;font:inherit}.examples-table-points-box{font-weight:700}.examples-table-total td{border-top:2px solid var(--border);padding-top:.65rem}.examples-table-total-label{text-align:right;font-weight:700}.hw-answer-cell{display:flex;align-items:center;gap:.75rem}.hw-answer-cell>input{flex:1;min-width:0;width:auto}.hw-answer-cell>input.hw-answer-skipped{color:var(--text-muted);background:var(--table-head);cursor:default}.hw-answer-no-answer{display:flex;align-items:center;flex-direction:row;gap:.35rem;margin:0;white-space:nowrap;font-size:.875rem;color:var(--text-muted);cursor:pointer}.hw-answer-no-answer span{-webkit-user-select:none;user-select:none}.hw-answer-no-answer input[type=checkbox]{width:auto;margin:0;cursor:pointer}.table-wrap{overflow-x:auto;width:100%;max-width:none}table.data-table{width:100%;border-collapse:collapse;font-size:1rem}table.data-table .schedule-list-table__student-link,table.data-table .link-btn.schedule-list-table__student-link{font-size:inherit}table.data-table.homework-journal-table{width:100%;table-layout:auto}table.data-table.schedule-list-table{width:100%;table-layout:fixed}table.data-table th,table.data-table td{border-bottom:1px solid var(--border);padding:.6rem .75rem;text-align:left}table.data-table th{background:var(--table-head);color:var(--text-muted);font-weight:600}table.data-table tr:hover td{background:var(--table-hover)}.link-btn{background:none;border:none;color:var(--primary);font-weight:600;padding:0;text-align:left}.link-btn.journal-cell-link{color:var(--text);text-decoration:none}.link-btn.journal-cell-link.journal-cell-link--regular{font-weight:400}.link-btn.journal-cell-link:hover{color:var(--journal-link-hover);text-decoration:none}[data-theme=dark] .link-btn.journal-cell-link:hover{color:var(--journal-link-hover)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.modal{background:var(--modal-bg);border-radius:var(--radius);max-width:900px;width:100%;max-height:90vh;overflow-x:hidden;overflow-y:auto;padding:1.25rem;box-shadow:var(--shadow);border:1px solid var(--border);color:var(--text);box-sizing:border-box}.modal--lesson{max-width:min(520px,calc(100vw - 2rem));width:100%;max-height:min(80vh,calc(100dvh - 2rem));overflow:hidden;padding:.75rem 0 0;margin:auto;display:flex;flex-direction:column;box-sizing:border-box}.modal--lesson__shell{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.modal--lesson__body{flex:1;min-height:0;min-width:0;width:100%;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:0 .9rem;box-sizing:border-box}.modal--lesson__footer{flex-shrink:0;margin:0;padding:.75rem .9rem .9rem;background:var(--modal-bg);border-top:1px solid var(--border)}.modal--lesson__footer .error-text{margin-bottom:.5rem}.modal--student-card{max-width:min(450px,calc(100vw - 2rem));width:100%;max-height:min(90vh,calc(100dvh - 2rem));overflow:hidden;padding:1.25rem 0 0;display:flex;flex-direction:column;box-sizing:border-box}.modal--student-card.modal--student-card--fill{height:min(90vh,calc(100dvh - 2rem))}.modal--student-card__head{flex-shrink:0;position:sticky;top:0;z-index:5;background:var(--modal-bg);padding:0 1.25rem .5rem}.modal--student-card__head h3{margin:0;padding:0 0 .35rem}.modal--student-card__head-divider{display:block;width:100%;height:1px;margin:0;border:none;border-radius:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--primary) 28%,transparent) 18%,color-mix(in srgb,var(--primary) 42%,transparent) 50%,color-mix(in srgb,var(--primary) 28%,transparent) 82%,transparent)}.modal--student-card__form{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.modal--student-card__body{flex:1;min-height:0;overflow-x:hidden;overflow-y:auto;padding:.5rem 1.25rem .75rem;position:relative;z-index:2;scroll-padding-top:.5rem}.modal--student-card .form-card-actions{flex-shrink:0;margin:0;padding:.75rem 1.25rem 1.25rem;background:var(--modal-bg);border-top:1px solid var(--border)}.modal--lesson h3{flex-shrink:0;margin:0;padding:0 .9rem .55rem;font-size:1rem;line-height:1.25}.modal--lesson__body.form-grid{gap:.5rem;display:flex;flex-direction:column}.modal--lesson__body.form-grid>*{min-width:0;max-width:100%}.modal--lesson__body input,.modal--lesson__body select,.modal--lesson__body textarea,.modal--lesson__body .date-input-wrap,.modal--lesson__body .date-input-trigger{max-width:100%;box-sizing:border-box}.modal--lesson__body label{gap:.22rem;font-size:.78rem}.modal--lesson__body input,.modal--lesson__body textarea{padding:.35rem .5rem;font-size:.8125rem}.modal--lesson__body select{padding:.35rem 2rem .35rem .5rem;font-size:.8125rem}.modal--lesson .lesson-price-source-row{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;font-size:.8125rem;min-height:1.75rem;min-width:0}.modal--lesson .lesson-price-source-row__label{color:var(--text);white-space:normal;flex-shrink:1}.modal--lesson .lesson-price-source-row__options{display:inline-flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}.modal--lesson .lesson-price-source-row .settings-check{display:inline-flex;flex-direction:row;align-items:center;gap:.45rem;white-space:nowrap;color:var(--text);font-size:.8125rem}.modal--lesson .lesson-price-source-row .settings-check input{flex-shrink:0;margin:0}.modal--lesson .form-grid-row--2col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:.65rem;align-items:end}.modal--lesson .form-grid-row--2col>label{min-width:0}.modal--lesson .form-datetime-row--with-reschedule{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:.65rem;align-items:end}.modal--lesson .form-datetime-row--with-reschedule>label{min-width:0}.modal--lesson .form-datetime-row--with-reschedule .lesson-form-reschedule-btn{justify-self:end;align-self:end;margin:0;white-space:nowrap}.date-input-trigger--readonly{cursor:default;opacity:1}.date-input-trigger--readonly:disabled{opacity:1;cursor:default}.date-input-trigger--readonly:hover,.date-input-trigger--readonly:disabled:hover{border-color:var(--border)}.modal--lesson .form-datetime-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-width:0;gap:.5rem}.modal--lesson .form-datetime-row>label{min-width:0;font-size:.78rem;gap:.22rem}.modal--lesson .recurring-lesson-section{display:flex;flex-direction:column;gap:.4rem;grid-column:1 / -1}.modal--lesson .recurring-lesson-section__title{margin:0;font-size:.85rem;font-weight:700;color:var(--text)}.modal--lesson .recurring-lesson-section__empty{display:flex;justify-content:flex-start}.modal--lesson .recurring-lesson-section__add-first{width:auto;height:auto}.modal--lesson .recurring-lesson-weekday-grid{display:flex;flex-direction:column;gap:.4rem}.modal--lesson .recurring-lesson-weekday-row{display:grid;grid-template-columns:minmax(6.5rem,7.5rem) minmax(0,1fr);gap:.35rem .5rem;align-items:end}.modal--lesson .recurring-lesson-weekday-row__label{font-size:.78rem;font-weight:600;color:var(--text);padding-bottom:.35rem}.modal--lesson .recurring-lesson-weekday-row__fields{display:grid;grid-template-columns:minmax(5.5rem,6.5rem) minmax(0,1fr);gap:.35rem .5rem;align-items:end}.modal--lesson .recurring-lesson-weekday-row__fields label{display:grid;gap:.22rem;font-size:.78rem;min-width:0}.modal--lesson .recurring-lesson-weekday-row__manual{grid-column:2;display:grid;gap:.22rem;font-size:.78rem;color:var(--text-muted)}.modal--lesson .recurring-lesson-period-filters{margin-top:.1rem}.modal--lesson .recurring-lesson-slot-group{display:flex;flex-direction:column;gap:.35rem}.modal--lesson .recurring-lesson-slot-group__manual{display:grid;gap:.22rem;font-size:.78rem;color:var(--text-muted)}.modal--lesson .recurring-lesson-slot-row{display:grid;--recurring-duration-h: calc(.35rem + .35rem + .8125rem * 1.25 + 2px);--recurring-action-w: 5.1rem;grid-template-columns:minmax(0,1fr) minmax(11.25rem,1fr) var(--recurring-action-w);row-gap:.35rem;column-gap:.5rem;align-items:end}.modal--lesson .recurring-lesson-slot-row>label:nth-child(2) select{box-sizing:border-box;height:var(--recurring-duration-h);line-height:1.25;min-width:0;max-width:100%}.modal--lesson .recurring-lesson-slot-row>label{min-width:0;font-size:.78rem;gap:.22rem;overflow:hidden}.modal--lesson .recurring-lesson-slot-row__actions{display:flex;align-items:center;justify-content:flex-end;justify-self:end;width:100%;min-width:0;height:var(--recurring-duration-h);padding-bottom:0;box-sizing:border-box}.modal--lesson .recurring-lesson-slot-row__add{display:inline-flex;align-items:center;justify-content:center;padding:0;border:none;background:transparent;cursor:pointer;color:var(--primary);border-radius:999px;line-height:0;width:100%;height:var(--recurring-duration-h);flex-shrink:0;box-sizing:border-box}.modal--lesson .recurring-lesson-slot-row__add:hover{opacity:.88}.modal--lesson .recurring-lesson-slot-row__add:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.modal--lesson .recurring-lesson-slot-row__add-icon{width:var(--recurring-duration-h);height:var(--recurring-duration-h);display:block}.modal--lesson .recurring-lesson-slot-row__remove{display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;padding:.22rem .4rem;width:100%;height:var(--recurring-duration-h);border:1px solid var(--border);background:var(--input-bg);border-radius:6px;cursor:pointer;color:var(--text-muted);white-space:nowrap}.modal--lesson .recurring-lesson-slot-row__remove:hover{border-color:var(--primary);color:var(--text)}.modal--lesson .lesson-reschedule-block{gap:.4rem;padding-top:.4rem}.modal--lesson .lesson-reschedule-block__title{font-size:.78rem}.modal--lesson__footer .toolbar{gap:.35rem;margin:0;padding:0}.modal--lesson .btn{padding:.35rem .7rem;font-size:.8125rem}.modal--lesson .date-input-trigger{padding:.35rem .5rem;font-size:.8125rem}.modal--homework{max-width:min(640px,calc(100vw - 2rem))}.modal--file-archive{width:min(960px,calc(100vw - 2rem));max-height:min(85vh,720px);display:flex;flex-direction:column;gap:.75rem;padding:1rem 1.1rem 1.1rem}.modal--file-archive__header{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.modal--file-archive__header h3{margin:0}.file-archive-table-wrap{max-height:min(60vh,520px);overflow:auto}.file-archive-table__name-cell{max-width:14rem}.file-archive-table__name{display:inline-block;max-width:14rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:top}.file-archive-table__name--clickable{cursor:pointer;color:var(--primary)}.file-archive-table__name--clickable:hover,.file-archive-table__name--clickable:focus-visible{text-decoration:underline;outline:none}.file-archive-table__name--expanded{max-width:none;overflow:visible;text-overflow:unset;white-space:normal;word-break:break-word}.file-archive-direction{display:inline-block;padding:.15rem .45rem;border-radius:999px;font-size:.75rem;font-weight:600}.file-archive-direction--uploaded{background:color-mix(in srgb,var(--primary) 18%,transparent);color:var(--primary)}.file-archive-direction--received{background:color-mix(in srgb,var(--text-muted, #64748b) 18%,transparent);color:var(--text-muted, #64748b)}.file-archive-empty{margin:.5rem 0 0}.file-archive-error{margin:0}.app-header-file-archive{white-space:nowrap}.modal--homework .modal--lesson__body .table-wrap{max-width:100%}.modal--homework .modal--lesson__footer .success-text{margin-bottom:.5rem}.modal--homework__head .modal--homework__subtitle{flex-shrink:0;margin:0;padding:0 .9rem .55rem;font-size:.9rem;font-weight:600;line-height:1.3;color:inherit}.modal--homework__head h3{padding-bottom:.5rem}.hw-form-title-preview{display:grid;gap:.25rem}.hw-form-title-preview__value{margin:0;font-size:.875rem;color:var(--text);line-height:1.35}.hw-form-file-current{display:block;margin-top:.25rem;font-size:.8125rem;color:var(--text-muted)}.hw-form-title-preview--spaced{margin-bottom:.35rem}.hw-form-attach-block{display:flex;flex-direction:column;gap:.65rem;margin-top:.85rem}.hw-form-manual-label{display:flex;flex-direction:column;gap:.35rem}.hw-form-manual-label-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.hw-form-manual-label-actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0;flex-wrap:wrap}.hw-manual-lang-picker__trigger--open{box-shadow:0 0 0 2px var(--focus-ring, rgba(59, 130, 246, .45))}.hw-manual-lang-picker__menu{position:fixed;z-index:12050;margin:0;padding:.35rem 0;list-style:none;border-radius:.5rem;border:1px solid var(--border-color, #d1d5db);background:var(--surface-elevated, #fff);box-shadow:0 8px 24px #0f172a1f;max-height:min(11rem,calc(100vh - 16px));overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.hw-manual-lang-picker__option{display:block;width:100%;padding:.45rem .85rem;border:none;background:transparent;text-align:left;font:inherit;color:inherit;cursor:pointer}.hw-manual-lang-picker__option:hover,.hw-manual-lang-picker__option:focus-visible{background:var(--surface-muted, #f3f4f6)}.hw-manual-lang-picker__option--selected{font-weight:600;background:var(--surface-muted, #f3f4f6)}.hw-virtual-keyboard-btn--active{box-shadow:0 0 0 2px var(--focus-ring, rgba(59, 130, 246, .45))}.hw-virtual-keyboard{position:fixed;left:0;right:0;bottom:0;z-index:12040;border-top:1px solid var(--border-color, #d1d5db);background:var(--surface-elevated, #fff);box-shadow:0 -8px 24px #0f172a1f;padding:.4rem .65rem calc(.5rem + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;min-height:7.5rem}.hw-virtual-keyboard--anchored{top:var(--hw-vk-top, auto);min-height:0}.hw-virtual-keyboard__head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.3rem;min-height:1.25rem}.hw-virtual-keyboard__title{font-size:.78rem;color:var(--text-muted, #6b7280)}.hw-virtual-keyboard__close{border:none;background:transparent;font-size:1.15rem;line-height:1;cursor:pointer;color:inherit;padding:0 .25rem}.hw-virtual-keyboard__rows{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:.35rem;overflow:hidden}.hw-virtual-keyboard__rows--zh{overflow:visible}.hw-virtual-keyboard__row{display:flex;flex-direction:row;direction:ltr;align-items:center;gap:.5rem;width:100%;min-width:0;overflow:hidden}.hw-virtual-keyboard__rows--zh .hw-virtual-keyboard__row{overflow:visible}.hw-virtual-keyboard__row-keys{flex:1 1 auto;min-width:0;display:grid;grid-template-columns:repeat(var(--hw-vk-cols, 1),2.35rem);justify-content:center;gap:.35rem;overflow-x:auto;scrollbar-width:none}.hw-virtual-keyboard__row-keys::-webkit-scrollbar{display:none}.hw-virtual-keyboard__row-keys--wrap{display:flex;flex-wrap:wrap;justify-content:center;overflow:visible}.hw-virtual-keyboard__row-actions{display:flex;align-items:center;justify-content:flex-end;gap:.35rem;flex-shrink:0}.hw-virtual-keyboard__row-actions--spacer{visibility:hidden;pointer-events:none}.hw-virtual-keyboard__key-slot{width:2.35rem;height:2.35rem;flex-shrink:0}.hw-virtual-keyboard__key{min-width:2.35rem;height:2.35rem;padding:0 .45rem;border:1px solid var(--border-color, #d1d5db);border-radius:.35rem;background:var(--surface-muted, #f3f4f6);color:inherit;font:inherit;font-size:.92rem;line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.hw-virtual-keyboard__key:hover,.hw-virtual-keyboard__key:focus-visible{background:var(--surface-hover, #e5e7eb)}.hw-virtual-keyboard__key--space{min-width:4.5rem}.hw-virtual-keyboard__key--wide{min-width:2.75rem}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh){--hw-vk-key-size: 2.7rem;--hw-vk-key-gap: .4rem;--hw-vk-key-font: 1.05rem;--hw-vk-space-width: 5.25rem;--hw-vk-wide-width: 3.15rem}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__row{gap:.55rem}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__row-keys{grid-template-columns:repeat(var(--hw-vk-cols, 1),var(--hw-vk-key-size));gap:var(--hw-vk-key-gap)}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__row-actions{gap:var(--hw-vk-key-gap)}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__key-slot{width:var(--hw-vk-key-size);height:var(--hw-vk-key-size)}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__key{min-width:var(--hw-vk-key-size);height:var(--hw-vk-key-size);padding:0 .5rem;font-size:var(--hw-vk-key-font);border-radius:.4rem}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__key--space{min-width:var(--hw-vk-space-width)}.hw-virtual-keyboard:not(.hw-virtual-keyboard--zh) .hw-virtual-keyboard__key--wide{min-width:var(--hw-vk-wide-width)}.modal--homework .modal--lesson__body input:not([type=checkbox]):not([type=radio]):hover:not(:disabled),.modal--homework .modal--lesson__body select:hover:not(:disabled),.modal--homework .modal--lesson__body textarea:hover:not(:disabled),.modal--homework .modal--lesson__body .date-input-trigger:hover:not(:disabled),.modal--homework .hw-form-manual-textarea:hover:not(:disabled){border-color:var(--primary)}.modal--homework .modal--lesson__body input:not([type=checkbox]):not([type=radio]):focus,.modal--homework .modal--lesson__body input:not([type=checkbox]):not([type=radio]):focus-visible,.modal--homework .modal--lesson__body select:focus,.modal--homework .modal--lesson__body select:focus-visible,.modal--homework .modal--lesson__body textarea:focus,.modal--homework .modal--lesson__body textarea:focus-visible,.modal--homework .modal--lesson__body .date-input-trigger:focus,.modal--homework .modal--lesson__body .date-input-trigger:focus-visible,.modal--homework .hw-form-manual-textarea:focus,.modal--homework .hw-form-manual-textarea:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px;border-color:var(--primary)}.hw-form-visual-editor-btn{flex-shrink:0;white-space:nowrap}.hw-form-manual-html-hint{margin:0}.hw-form-manual-textarea{min-height:5.5rem;resize:none;overflow:hidden;width:100%;max-width:100%;box-sizing:border-box;font:inherit;line-height:1.35;border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;background:var(--input-bg);color:var(--text)}.hw-visual-editor-overlay{padding:1rem}.hw-visual-editor-modal{width:min(56rem,100%);max-height:min(92vh,52rem);display:flex;flex-direction:column;gap:.65rem}.hw-visual-editor__head h3{margin:0}.hw-visual-editor__title-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.25rem}.hw-visual-editor__close-btn{flex-shrink:0;width:2rem;height:2rem;padding:0;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:1.35rem;line-height:1;cursor:pointer}.hw-visual-editor__close-btn:hover{background:var(--bg-hover, var(--bg-sub-toolbar))}.hw-visual-editor__head .hint-text{margin:0}.hw-visual-editor__toolbar{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:.35rem;padding:.45rem;border:1px solid var(--border);border-radius:8px;background:var(--bg-sub-toolbar)}.hw-visual-editor__toolbar-group{display:flex;flex-wrap:wrap;gap:.2rem;align-items:center}.hw-visual-editor__toolbar-group+.hw-visual-editor__toolbar-group{padding-left:.35rem;margin-left:.35rem;border-left:1px solid var(--border);border-top:none;padding-top:0}.hw-visual-editor__tool{min-width:2rem;height:2rem;padding:0 .45rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font:inherit;font-size:.8125rem;line-height:1;cursor:pointer}.hw-visual-editor__tool:hover{background:var(--bg-hover, var(--bg-sub-toolbar))}.hw-visual-editor__tool--active{border-color:var(--notification-accent-fg, #2563eb);color:var(--notification-accent-fg, #2563eb)}.hw-visual-editor__color-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.hw-visual-editor__file-input{display:none}.hw-visual-editor__math-panel{max-height:11rem;overflow:auto;padding:.5rem;border:1px solid var(--border);border-radius:8px;background:var(--bg-sub-toolbar)}.hw-visual-editor__math-group+.hw-visual-editor__math-group{margin-top:.5rem}.hw-visual-editor__math-group-title{font-size:.75rem;font-weight:600;color:var(--text-muted);margin-bottom:.25rem}.hw-visual-editor__math-grid{display:flex;flex-wrap:wrap;gap:.25rem}.hw-visual-editor__math-btn{min-width:2.1rem;height:2rem;padding:0 .35rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:#111827;font:inherit;font-size:.8125rem;cursor:pointer}.hw-visual-editor__math-btn:hover{background:var(--bg-hover, var(--bg-sub-toolbar))}.hw-math-palette-frac{display:inline-flex;flex-direction:column;align-items:center;line-height:1;vertical-align:middle}.hw-math-palette-frac-num,.hw-math-palette-frac-den{width:.55rem;height:.45rem;border:1px solid currentColor;border-radius:1px}.hw-math-palette-frac-line{width:100%;min-width:.9rem;border-top:1px solid currentColor;margin:1px 0}.hw-form-manual-rich-preview{display:block;white-space:normal;overflow:auto;border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;background:var(--input-bg);color:var(--text);font-size:.8125rem;line-height:1.35}.hw-math-katex-display{display:inline-block;vertical-align:middle;margin:0 .08em}.hw-math-katex-display .katex,.hw-rich-text-content .hw-math-katex-display .katex{font-size:1.05em}.hw-math-palette-sqrt,.hw-math-palette-nroot{display:inline-flex;align-items:flex-end;line-height:1}.hw-math-palette-sqrt-body{display:inline-block;min-width:.55rem;height:.45rem;border:1px solid currentColor;border-top:2px solid currentColor;margin-left:.05rem}.hw-math-palette-nroot{display:inline-flex;align-items:flex-end;line-height:1}.hw-math-palette-nroot-index{display:inline-block;width:.4rem;height:.35rem;border:1px solid currentColor;border-radius:1px;margin-right:.05rem;align-self:flex-start;margin-top:.1rem}.hw-math-palette-log sub{font-size:.7em}.hw-math-palette-slot{display:inline-block;width:.45rem;height:.4rem;border:1px solid currentColor;border-radius:1px;vertical-align:middle}.hw-math-palette-slot--sup,.hw-math-palette-slot--sub{width:.38rem;height:.32rem}.hw-visual-editor__content .hw-math-slot,.hw-rich-text-content .hw-math-slot{display:inline-block;min-width:.45em;min-height:1em;color:#111827;outline:none;text-align:center;vertical-align:baseline;box-sizing:border-box}.hw-visual-editor__content .hw-math-slot[data-empty=true],.hw-rich-text-content .hw-math-slot[data-empty=true]{border:1px dashed #9ca3af;border-radius:3px;min-width:.9em;min-height:1.15em;padding:0 .12em;background:color-mix(in srgb,var(--bg) 88%,#9ca3af 12%)}.hw-visual-editor__content .hw-math-power-exp[data-empty=true],.hw-visual-editor__content .hw-math-index-sup[data-empty=true],.hw-visual-editor__content .hw-math-index-sub[data-empty=true],.hw-visual-editor__content .hw-math-sub-index[data-empty=true],.hw-visual-editor__content .hw-math-log-base[data-empty=true],.hw-visual-editor__content .hw-math-nroot-index[data-empty=true],.hw-rich-text-content .hw-math-power-exp[data-empty=true],.hw-rich-text-content .hw-math-index-sup[data-empty=true],.hw-rich-text-content .hw-math-index-sub[data-empty=true],.hw-rich-text-content .hw-math-sub-index[data-empty=true],.hw-rich-text-content .hw-math-log-base[data-empty=true],.hw-rich-text-content .hw-math-nroot-index[data-empty=true]{min-width:.75em;min-height:.95em;padding:0 .08em}.hw-visual-editor__content .hw-math-frac,.hw-rich-text-content .hw-math-frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;margin:0 .12em;line-height:1.1}.hw-visual-editor__content .hw-math-frac-num,.hw-visual-editor__content .hw-math-frac-den,.hw-rich-text-content .hw-math-frac-num,.hw-rich-text-content .hw-math-frac-den{min-width:.65em;padding:0 .15em}.hw-visual-editor__content .hw-math-frac-line,.hw-rich-text-content .hw-math-frac-line{width:100%;min-width:.85em;border-top:1px solid currentColor;margin:1px 0}.hw-visual-editor__content .hw-math-sqrt,.hw-visual-editor__content .hw-math-nroot,.hw-rich-text-content .hw-math-sqrt,.hw-rich-text-content .hw-math-nroot{display:inline-flex;align-items:flex-end;vertical-align:middle;margin:0 .08em;line-height:1.1}.hw-visual-editor__content .hw-math-sqrt-symbol,.hw-rich-text-content .hw-math-sqrt-symbol{line-height:1}.hw-visual-editor__content .hw-math-sqrt-body,.hw-rich-text-content .hw-math-sqrt-body{border-top:1px solid currentColor;padding:0 .12em;min-width:.55em}.hw-visual-editor__content .hw-math-nroot-index,.hw-rich-text-content .hw-math-nroot-index{font-size:.65em;line-height:1;align-self:flex-start;margin-right:-.05em;margin-top:.15em}.hw-visual-editor__content .hw-math-index-pair,.hw-rich-text-content .hw-math-index-pair,.hw-visual-editor__content .hw-math-power,.hw-visual-editor__content .hw-math-subscript,.hw-visual-editor__content .hw-math-log,.hw-visual-editor__content .hw-math-ln,.hw-visual-editor__content .hw-math-lg,.hw-rich-text-content .hw-math-power,.hw-rich-text-content .hw-math-subscript,.hw-rich-text-content .hw-math-log,.hw-rich-text-content .hw-math-ln,.hw-rich-text-content .hw-math-lg{display:inline-flex;align-items:flex-end;gap:.1em;vertical-align:middle;white-space:nowrap}.hw-visual-editor__content .hw-math-index-pair--sup .hw-math-index-sup,.hw-rich-text-content .hw-math-index-pair--sup .hw-math-index-sup,.hw-visual-editor__content .hw-math-power .hw-math-power-exp,.hw-rich-text-content .hw-math-power .hw-math-power-exp{margin-bottom:.42em}.hw-visual-editor__content .hw-math-index-pair--sub .hw-math-index-sub,.hw-rich-text-content .hw-math-index-pair--sub .hw-math-index-sub,.hw-visual-editor__content .hw-math-subscript .hw-math-sub-index,.hw-rich-text-content .hw-math-subscript .hw-math-sub-index{margin-bottom:-.1em}.hw-visual-editor__content .hw-math-log-base,.hw-rich-text-content .hw-math-log-base{margin-bottom:-.08em}.hw-visual-editor__content{flex:1;min-height:14rem;max-height:min(48vh,24rem);overflow:auto;padding:.65rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);line-height:1.45;font:inherit;outline:none}.hw-visual-editor__content:focus{border-color:var(--notification-accent-fg, #2563eb)}.hw-visual-editor__content table{border-collapse:collapse;width:100%}.hw-visual-editor__content td,.hw-visual-editor__content th{border:1px solid var(--border);padding:.25rem .4rem;min-width:2rem}.hw-visual-editor__content img{max-width:100%;height:auto}.hw-visual-editor__error{margin:0}.hw-visual-editor__saved-hint{margin:0;font-size:.875rem}.hw-visual-editor__footer{margin-top:.15rem}.hw-rich-text-content{white-space:normal}.hw-rich-text-content p{margin:.35em 0}.hw-rich-text-content p:first-child{margin-top:0}.hw-rich-text-content p:last-child{margin-bottom:0}.hw-rich-text-content ul,.hw-rich-text-content ol{margin:.35em 0;padding-left:1.25rem}.hw-rich-text-content table{border-collapse:collapse;width:100%;margin:.35em 0}.hw-rich-text-content td,.hw-rich-text-content th{border:1px solid var(--border);padding:.25rem .4rem}.hw-rich-text-content img{max-width:100%;height:auto;display:block;margin:.35em 0}.hw-rich-text-content a{color:var(--notification-accent-fg, #2563eb);text-decoration:underline}.homework-preview-modal .homework-preview-body{min-height:12rem}.homework-preview-frame{width:100%;min-height:min(70vh,36rem);border:0;border-radius:8px;background:var(--bg-sub-toolbar)}.homework-preview-img{max-width:100%;max-height:min(70vh,36rem);object-fit:contain;display:block;margin:0 auto}.homework-file-actions-row{display:flex;flex-wrap:nowrap;gap:.25rem;justify-content:center}.homework-file-actions-row .btn-small{padding:.18rem .45rem;font-size:.75rem;line-height:1.05}.hw-status-lines{display:flex;flex-direction:column;align-items:center;gap:.15rem;font-size:.72rem;line-height:1.1;white-space:nowrap}.hw-status-line{display:flex;align-items:center}.hw-status-sep{opacity:.55}.hw-status-muted{color:var(--text-muted);opacity:.75}.hw-status-active{font-weight:700}.hw-student-manual-block{display:flex;flex-direction:column;gap:.35rem}.hw-student-manual-text{white-space:pre-wrap;word-break:break-word;font-size:.875rem;line-height:1.45;padding:.5rem .65rem;border-radius:8px;background:var(--bg-sub-toolbar);border:1px solid var(--border)}.hw-student-answer-textarea{width:100%;min-height:7.5rem;max-height:14rem;resize:vertical;line-height:1.45;padding:.5rem .65rem;border-radius:8px;border:1px solid var(--border);background:var(--input-bg);font:inherit}.hw-input-locked-correct{opacity:.95;background:color-mix(in srgb,var(--success) 10%,transparent)}.hw-form-fieldset{display:flex;flex-direction:column;gap:.75rem;border:0;margin:0;padding:0;min-width:0}.hw-form-fieldset .hw-form-attach-block{margin-top:0}.hw-form-fieldset:disabled{opacity:.85}.hw-form-locked-notice{margin:0;padding:.5rem .65rem;border-radius:8px;background:color-mix(in srgb,var(--badge-tone-warning-fg) 12%,transparent);border:1px solid color-mix(in srgb,var(--border) 80%,transparent)}.hw-teacher-review-panel{margin-top:1rem;padding:.75rem .85rem;border-radius:8px;border:1px solid var(--border);background:var(--bg-sub-toolbar)}.hw-teacher-review-title{margin:0 0 .5rem;font-size:1rem}.hw-teacher-review-body{margin-top:.75rem}.hw-review-block{margin:.75rem 0}.hw-review-actions{margin-top:1rem;flex-wrap:wrap;gap:.5rem}.hw-student-text-readonly{white-space:pre-wrap;word-break:break-word;max-height:12rem;overflow:auto;padding:.5rem .65rem;border-radius:8px;border:1px solid var(--border);background:var(--input-bg)}.hw-student-files-list{list-style:none;margin:.35rem 0 0;padding:0}.hw-student-files-list__item{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.35rem 0;border-bottom:1px solid var(--border)}.hw-student-files-list__item:last-child{border-bottom:0}.hw-student-answers-list{margin:.35rem 0 0;padding-left:1.1rem}.hw-student-answers-list li{margin:.5rem 0}.student-profile-embedded{max-width:520px}.student-settings__title{margin:0 0 1rem}.student-settings__row{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.student-settings__label{margin:0 0 .25rem;font-weight:600}.student-settings__theme-btn{display:inline-flex;align-items:center;gap:.5rem}.modal-overlay--above-all{z-index:1600}.modal-overlay--front{z-index:1750}.dashboard-tab-pane--hidden{display:none}.notification-action-link{display:inline-block;margin-top:.35rem;font-size:.875rem;text-align:left;padding:.15rem .35rem;margin-left:-.35rem;border-radius:6px;transition:color .15s ease,background-color .15s ease}.notification-action-link:hover{color:var(--primary);background:color-mix(in srgb,var(--primary-light) 35%,transparent);text-decoration:underline;text-underline-offset:2px}.notification-message-emphasis{font-weight:700;color:var(--notification-accent-fg-strong)}.notification-item-content .notification-action-link{align-self:flex-start}.modal-overlay:has(.modal--lesson),.modal-overlay:has(.modal--homework),.modal-overlay:has(.modal--student-card){overflow:hidden;overscroll-behavior:none}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.confirm-dialog-overlay{z-index:1800}.confirm-dialog{max-width:420px;padding:1.25rem 1.35rem}.confirm-dialog-title{margin:0 0 .75rem;font-size:1.05rem}.confirm-dialog-message{margin:0 0 1.25rem;color:var(--text-muted);line-height:1.45}.confirm-dialog-actions{display:flex;justify-content:flex-end;gap:.5rem;flex-wrap:wrap}.error-text{color:var(--danger);font-size:.875rem}.success-text{color:var(--success);font-size:.875rem}.card-save-toast{position:fixed;left:50%;bottom:1.75rem;z-index:1850;transform:translate(-50%);padding:.65rem 1.2rem;border-radius:8px;background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border);font-size:.9rem;font-weight:600;box-shadow:var(--shadow);pointer-events:none;animation:card-save-toast-fade 3s ease forwards}@keyframes card-save-toast-fade{0%{opacity:0;transform:translate(-50%) translateY(10px)}12%{opacity:1;transform:translate(-50%) translateY(0)}78%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(-6px)}}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);border:1px solid var(--badge-tone-info-border)}[data-theme=dark] .badge{color:var(--badge-tone-info-fg)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:var(--bg-page);background-attachment:fixed}.login-card{width:100%;max-width:420px;background:var(--bg-card);border-radius:16px;padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border)}.login-card p{margin:0 0 1.5rem;color:var(--text-muted)}.placeholder-page{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.h-group-tables{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.5rem}.h-group-card{min-width:260px;flex-shrink:0;border:1px solid var(--border);border-radius:var(--radius);padding:.75rem}.h-group-card h4{margin:0 0 .5rem;font-size:.95rem}.notification-list{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}.notification-item{border:1px solid var(--border);border-radius:8px;padding:.75rem;background:var(--input-bg)}.notification-item.unread{border-color:var(--primary);background:var(--primary-light)}.fc{--fc-border-color: var(--border);--fc-button-bg-color: var(--primary);--fc-button-border-color: var(--primary);--fc-button-hover-bg-color: var(--btn-hover-bg);--fc-button-hover-border-color: var(--primary);--fc-button-hover-text-color: var(--btn-hover-fg);--fc-today-bg-color: var(--fc-today);--fc-page-bg-color: var(--bg-card);--fc-neutral-bg-color: var(--table-head);z-index:1}.schedule-calendar .fc-popover,.schedule-calendar .fc-more-popover{z-index:50!important}.schedule-calendar .fc{--fc-border-color: var(--border);--fc-button-bg-color: var(--input-bg);--fc-button-border-color: var(--border);--fc-button-text-color: var(--text-muted);--fc-button-hover-bg-color: color-mix(in srgb, var(--btn-hover-bg) 14%, var(--input-bg));--fc-button-hover-border-color: var(--btn-hover-border);--fc-button-hover-text-color: var(--text);--fc-button-active-bg-color: var(--primary-light);--fc-button-active-border-color: var(--primary);--fc-today-bg-color: var(--fc-today);--fc-page-bg-color: var(--bg-card);--fc-neutral-bg-color: var(--table-head)}.schedule-calendar{container-type:inline-size}.schedule-calendar .fc-header-toolbar .fc-button{font-weight:600;outline:none!important;box-shadow:none!important;transition:background .15s ease,border-color .15s ease,color .15s ease}.schedule-calendar .fc-header-toolbar .fc-button:focus,.schedule-calendar .fc-header-toolbar .fc-button:focus-visible{outline:none!important;box-shadow:none!important}.schedule-calendar .fc-header-toolbar .fc-button:not(.fc-button-active){background:var(--input-bg)!important;border:1px solid var(--border)!important;color:var(--text-muted)!important}.schedule-calendar .fc-header-toolbar .fc-button:not(.fc-button-active):hover,.schedule-calendar .fc-header-toolbar .fc-button:not(.fc-button-active):active{background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg))!important;border-color:var(--btn-hover-border)!important;color:var(--text)!important;box-shadow:none!important}.schedule-calendar .fc-header-toolbar .fc-button.fc-button-active{background:var(--primary-light)!important;border:1px solid var(--primary)!important;color:var(--primary-dark)!important;font-weight:700;box-shadow:none!important}:root .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:hover,:root .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:active,[data-theme=light] .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:hover,[data-theme=light] .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:active{background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg))!important;border-color:var(--btn-hover-border)!important;color:var(--text)!important;font-weight:700;box-shadow:none!important}[data-theme=dark] .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:hover,[data-theme=dark] .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active:active{background:var(--btn-hover-bg)!important;border-color:var(--btn-hover-border)!important;color:var(--btn-hover-fg)!important;font-weight:700;box-shadow:none!important}[data-theme=dark] .schedule-calendar .fc-header-toolbar .fc-button.fc-button-active{color:var(--primary)!important}.schedule-calendar .fc-prev-button{border-radius:8px 0 0 8px!important}.schedule-calendar .fc-next-button{border-radius:0 8px 8px 0!important}.schedule-calendar .fc-dayToday-button,.schedule-calendar .fc-tomorrow-button{border-radius:8px!important}.schedule-calendar .fc-header-toolbar .fc-button-group:has(.fc-dayToday-button) .fc-button,.schedule-calendar .fc-header-toolbar .fc-button-group:has(.fc-tomorrow-button) .fc-button{opacity:1!important}.schedule-calendar .fc-dayToday-button.fc-button-active,.schedule-calendar .fc-tomorrow-button.fc-button-active{font-weight:700!important;color:var(--primary-dark)!important}[data-theme=dark] .schedule-calendar .fc-dayToday-button.fc-button-active,[data-theme=dark] .schedule-calendar .fc-tomorrow-button.fc-button-active{color:var(--primary)!important}.schedule-calendar .fc-header-toolbar .fc-button-group:has(.fc-viewDay-button){margin-left:auto;border-radius:8px;overflow:hidden;border:none;box-shadow:none}.schedule-calendar .fc-viewDay-button,.schedule-calendar .fc-viewThreeDay-button,.schedule-calendar .fc-viewWeek-button,.schedule-calendar .fc-viewMonth-button{margin:0!important;border-radius:0!important}.schedule-calendar .fc-viewDay-button{border-radius:8px 0 0 8px!important}.schedule-calendar .fc-viewMonth-button{border-radius:0 8px 8px 0!important}.schedule-calendar .fc-viewDay-button,.schedule-calendar .fc-viewThreeDay-button,.schedule-calendar .fc-viewWeek-button{box-shadow:inset -1px 0 0 var(--border)}.schedule-calendar .fc-viewDay-button:not(.fc-button-active):hover,.schedule-calendar .fc-viewThreeDay-button:not(.fc-button-active):hover,.schedule-calendar .fc-viewWeek-button:not(.fc-button-active):hover,.schedule-calendar .fc-viewMonth-button:not(.fc-button-active):hover{box-shadow:none!important}.schedule-calendar .fc-viewDay-button.fc-button-active,.schedule-calendar .fc-viewThreeDay-button.fc-button-active,.schedule-calendar .fc-viewWeek-button.fc-button-active,.schedule-calendar .fc-viewMonth-button.fc-button-active{box-shadow:none!important}.schedule-calendar .fc-timegrid-event,.schedule-calendar .fc-daygrid-event{overflow:hidden!important}.schedule-calendar .fc-timegrid-event .fc-event-main,.schedule-calendar .fc-daygrid-event .fc-event-main{overflow:hidden!important;height:100%!important;padding:2px 4px!important}.schedule-calendar .fc-custom-event{display:flex;flex-direction:column;justify-content:flex-start;overflow:hidden;height:100%;width:100%;box-sizing:border-box;max-width:100%;max-height:100%;font-weight:600}.schedule-calendar .fc-event-time{flex-shrink:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;font-weight:600}.schedule-calendar .fc-event-line{flex-shrink:0;min-height:0;overflow:hidden;word-break:break-word;overflow-wrap:anywhere;max-width:100%;line-height:1.15;font-weight:600}.schedule-calendar .fc-event-student,.schedule-calendar .fc-event-subject{flex-shrink:0;min-height:0;overflow:hidden;word-break:break-word;overflow-wrap:anywhere;max-width:100%;line-height:1.15}.schedule-calendar .fc-event-title{flex:1 1 auto;min-height:0;overflow:hidden;word-break:break-word;overflow-wrap:anywhere;max-width:100%}.schedule-calendar--cols-3 .fc-custom-event{font-size:clamp(8px,2.8cqi,13px)}.schedule-calendar--cols-7 .fc-custom-event{font-size:clamp(7px,1.6cqi,12px)}.schedule-calendar--multi .fc-timegrid-col-events{margin:0 2px}.schedule-calendar .fc-event{border-radius:6px}.schedule-calendar .schedule-cal-event--cancelled,.schedule-calendar .schedule-cal-event--cancelled .fc-event-main{background:var(--badge-tone-negative-bg)!important;border-color:var(--badge-tone-negative-border)!important;color:var(--badge-tone-negative-fg)!important}.schedule-calendar .schedule-cal-event--past,.schedule-calendar .schedule-cal-event--past .fc-event-main{background:color-mix(in srgb,var(--text-muted) 14%,var(--input-bg))!important;border-color:color-mix(in srgb,var(--text-muted) 35%,var(--border))!important;color:color-mix(in srgb,var(--text-muted) 78%,var(--text))!important}.schedule-calendar .schedule-cal-event--upcoming,.schedule-calendar .schedule-cal-event--upcoming .fc-event-main{background:var(--badge-tone-info-bg)!important;border-color:var(--badge-tone-info-border)!important;color:var(--badge-tone-info-fg)!important}.file-download-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--primary);font-weight:600;text-decoration:underline;cursor:pointer;background:none;border:none;padding:0}.students-table code{font-size:.8rem;background:var(--table-head);padding:.15rem .35rem;border-radius:4px}.row-actions{display:flex;flex-wrap:wrap;gap:.35rem}.students-table .row-actions{flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:center;gap:.35rem;min-width:unset;margin-inline:auto}.students-table .row-actions .hw-journal-edit-btn{width:auto;margin:0;white-space:nowrap}.students-table .row-actions .hw-journal-edit-btn--icon>span{display:none}.students-table th,.students-table td{border-left:1px dashed color-mix(in srgb,var(--border) 70%,transparent)}.students-table th:first-child,.students-table td:first-child{border-left:none}table.data-table.students-table th{text-align:center;vertical-align:middle}table.data-table.students-table td:not(.students-table__name){text-align:center;vertical-align:middle}table.data-table.students-table td:not(.students-table__name) .copyable{text-align:center;justify-content:center}table.data-table.students-table td:not(.students-table__name) .messenger-badges{justify-content:center}.subjects-cell-list{display:grid;gap:.2rem;line-height:1.35}table.data-table.students-table td.students-table__name{text-align:left}.journal-copy-toast{position:fixed;z-index:10000;display:inline-block;transform:translate(-50%,.35rem);padding:.35rem .65rem;border-radius:8px;border:1px solid var(--border);background:var(--modal-bg);box-shadow:0 4px 18px color-mix(in srgb,var(--text) 18%,transparent);font-size:.75rem;font-weight:600;color:var(--text);line-height:1.2;pointer-events:none;white-space:nowrap}.journal-field-cell{display:inline-flex;align-items:center;gap:.35rem;max-width:100%;text-align:left}table.data-table.students-table td.students-table__contact .journal-field-cell,table.data-table.students-table td.students-table__email .journal-field-cell{justify-content:center;margin-inline:auto}.journal-field-cell__value{min-width:0;word-break:break-word}.journal-field-cell__value--contact{white-space:nowrap;word-break:normal;overflow:hidden;text-overflow:ellipsis}table.data-table.students-table td.students-table__email .journal-field-cell{max-width:100%}table.data-table.students-table td.students-table__email .journal-field-cell__value--contact{flex:1 1 auto;min-width:0;max-width:100%}.journal-field-cell__link{color:inherit;text-decoration:none}.journal-copy-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.15em;height:1.15em;padding:0;border-radius:4px;border:1px solid color-mix(in srgb,var(--primary) 45%,var(--border));background:color-mix(in srgb,var(--primary-light) 40%,var(--input-bg));color:var(--primary);font-size:1em;line-height:1;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.journal-copy-btn svg{width:.85em;height:.85em}.journal-copy-btn:hover:not(:disabled){background:color-mix(in srgb,var(--btn-hover-bg) 14%,var(--input-bg));border-color:var(--btn-hover-border);color:var(--text)}.journal-copy-btn:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px}.journal-copy-btn--done{border-color:var(--primary);background:color-mix(in srgb,var(--primary-light) 65%,var(--input-bg))}.students-table th.students-table__actions,.students-table td.students-table__actions{width:1%;white-space:nowrap}table.data-table.students-table tbody tr.students-table__row--muted td{background:var(--schedule-row-cancelled-bg);border-bottom:1px solid var(--schedule-row-cancelled-border);color:color-mix(in srgb,var(--text-muted) 75%,var(--text))}table.data-table.students-table tbody tr.students-table__row--muted .journal-cell-link,table.data-table.students-table tbody tr.students-table__row--muted .parents-cell-list__item{color:color-mix(in srgb,var(--text-muted) 55%,var(--text))}table.data-table.students-table tbody tr.students-table__row--muted .journal-cell-link:hover,table.data-table.students-table tbody tr.students-table__row--muted .journal-cell-link:focus-visible{color:var(--journal-link-hover);text-decoration:none}table.data-table.students-table tbody tr.students-table__row--muted:hover td{background:var(--schedule-row-cancelled-bg-hover);border-bottom-color:var(--schedule-row-cancelled-border)}table.data-table.students-table tbody tr.students-table__row--muted .hw-journal-edit-btn{border-color:color-mix(in srgb,var(--text-muted) 40%,var(--border));background:color-mix(in srgb,var(--text-muted) 10%,var(--input-bg));color:color-mix(in srgb,var(--text-muted) 50%,var(--primary))}table.data-table.students-table tbody tr.students-table__row--muted .hw-journal-edit-btn:hover:not(:disabled){border-color:color-mix(in srgb,var(--text-muted) 35%,var(--primary));background:color-mix(in srgb,var(--text-muted) 14%,var(--input-bg));color:color-mix(in srgb,var(--text-muted) 35%,var(--primary))}.students-table td.students-table__actions,.students-table th.students-table__actions{vertical-align:middle}.students-table th.students-table__name,.students-table td.students-table__name{white-space:normal;max-width:16rem;vertical-align:middle}.students-table__name-stack{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;min-width:0;max-width:100%}.students-table__status-inline{flex-shrink:0}.students-table__status-inline .lesson-status-badge,.students-table td.students-table__status-cell .lesson-status-badge{min-width:7.15rem;padding-left:.55rem;padding-right:.55rem}.students-table__status-inline .lesson-badge-dropdown__trigger,table.data-table.students-table td.students-table__status-cell .lesson-badge-dropdown__trigger{cursor:pointer}.students-table td.students-table__name .students-table__name-link{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}.students-table th.students-table__contact,.students-table td.students-table__contact,.students-table th.students-table__email,.students-table td.students-table__email{width:1%;white-space:nowrap;overflow:hidden;padding-left:.45rem;padding-right:.45rem}.messenger-badges{display:flex;gap:.35rem;flex-wrap:wrap}.messenger-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;padding:0;color:#fff;text-decoration:none;flex-shrink:0;transition:transform .12s,box-shadow .12s,filter .12s}.messenger-icon-svg{display:block;flex-shrink:0;transition:transform .12s ease,filter .12s ease}.messenger-icon-svg--telegram{color:#229ed9}.messenger-icon-svg--whatsapp{color:#25d366}.messenger-icon-svg--full{width:38px;height:38px}.messenger-pick-badge .messenger-icon-svg--vk,.messenger-pick-badge .messenger-icon-svg--telegram,.messenger-pick-badge .messenger-icon-svg--whatsapp,.messenger-pick-badge .messenger-icon-svg--max{width:22px;height:22px}.messenger-badge--vk,.messenger-badge--telegram,.messenger-badge--max,.messenger-badge--whatsapp{width:38px;height:38px;background:transparent;overflow:visible}.messenger-picker{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.35rem}.messenger-link-rows{display:flex;flex-direction:column;gap:.5rem;margin-top:.35rem}.messenger-link-row{--messenger-row-control-height: 2.5rem;display:flex;align-items:center;gap:.5rem}.parents-cell-list{display:flex;flex-direction:column;align-items:center;gap:.2rem;width:100%}.parents-cell-list__item{display:inline-block;text-align:center;padding:0}.parents-cell-list__item:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.messenger-link-row__icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:var(--messenger-row-control-height);height:var(--messenger-row-control-height);box-sizing:border-box;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);opacity:.45;transition:opacity .15s ease,border-color .15s ease,box-shadow .15s ease}.messenger-link-row__icon .messenger-icon-svg{width:1.125rem;height:1.125rem}.messenger-link-row__icon--active{opacity:1}.messenger-link-row__icon--active.messenger-link-row__icon--telegram{border-color:#229ed9;box-shadow:0 0 0 1px color-mix(in srgb,#229ed9 25%,transparent)}.messenger-link-row__icon--active.messenger-link-row__icon--whatsapp{border-color:#25d366;box-shadow:0 0 0 1px color-mix(in srgb,#25d366 25%,transparent)}.messenger-link-row__icon--active.messenger-link-row__icon--vk{border-color:#07f;box-shadow:0 0 0 1px color-mix(in srgb,#0077ff 25%,transparent)}.messenger-link-row__icon--active.messenger-link-row__icon--max{border-color:#9333ea;box-shadow:0 0 0 1px color-mix(in srgb,#9333ea 25%,transparent)}.messenger-link-row__field{flex:1;min-width:0;display:flex;flex-direction:column;gap:.45rem}.messenger-link-row__input{flex:1;width:100%;min-width:0;min-height:var(--messenger-row-control-height);box-sizing:border-box}.max-verify__btn{align-self:flex-start}.max-verify__status{margin:0;font-size:.875rem}.max-verify__status--ok{color:var(--success)}.max-verify__error,.max-verify__hint{margin:0}.login-max{margin-top:1.25rem;display:flex;flex-direction:column;gap:.75rem}.login-max__divider{display:flex;align-items:center;gap:.75rem;color:var(--text-muted);font-size:.875rem}.login-max__divider:before,.login-max__divider:after{content:"";flex:1;height:1px;background:var(--border)}.login-max__btn{width:100%}.login-max__hint{margin:0}.messenger-pick{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .75rem;border-radius:8px;border:2px solid var(--border);background:var(--input-bg);color:var(--text);font-weight:600;font-size:.85rem}.messenger-pick.active{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.messenger-pick--vk.active{border-color:#07f}.messenger-pick--telegram.active{border-color:#229ed9}.messenger-pick--whatsapp.active{border-color:#25d366}.messenger-pick--max.active{border-color:#9333ea}.messenger-pick-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;flex-shrink:0;padding:0;overflow:hidden;pointer-events:none}.messenger-pick-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:5px;font-size:.6rem;font-weight:800;color:#fff}.messenger-pick--vk .messenger-pick-icon{background:#07f}.messenger-pick--telegram .messenger-pick-icon{background:#229ed9}.messenger-pick--whatsapp .messenger-pick-icon{background:#25d366}.field-label{font-size:.875rem;color:var(--text-muted)}.form-spoiler{margin-top:.25rem;padding-top:.75rem;border-top:1px solid var(--border)}.form-spoiler-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0;border:none;background:transparent;color:var(--text);cursor:pointer;text-align:left}.form-spoiler-title{font-size:1rem;font-weight:700}.form-spoiler-arrow{flex-shrink:0;width:16px;height:16px;margin-left:.75rem;border:none;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat center / contain;transform:rotate(-90deg);transition:transform .15s ease}.form-spoiler-arrow--open{transform:rotate(0)}.form-spoiler-body{display:grid;gap:.75rem;margin-top:.75rem}.journal-students-table .journal-expand-col{width:3rem;text-align:center;vertical-align:middle}.journal-students-table .journal-student-name{font-weight:600}.journal-students-table .journal-student-row{cursor:pointer}.journal-students-table .journal-student-row:hover td{background:color-mix(in srgb,var(--primary-light) 20%,var(--input-bg))}.journal-row--open td{border-bottom:none}.journal-row-toggle{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;pointer-events:none}.journal-detail-row td{padding-top:0;background:var(--table-head)}.journal-spoiler-panel{padding:.75rem .5rem 1rem;border-top:1px dashed var(--border)}.journal-spoiler-header{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem}.journal-subject-field{display:flex;align-items:center;gap:.5rem;margin:0;font-size:.875rem;color:var(--text-muted)}.journal-subject-field select{min-width:180px;padding:.5rem 2rem .5rem .65rem;border:1px solid var(--border);border-radius:8px;background-color:var(--input-bg);color:var(--text)}.form-card-actions{margin-top:.25rem;padding-top:.75rem;border-top:1px solid var(--border)}.modal--student-card__body.form-grid{gap:.75rem;align-content:start}.modal--student-card__body.form-grid>.form-spoiler:first-child{margin-top:0;padding-top:.25rem;border-top:none}.modal--student-card__body.form-grid>*{min-width:0;max-width:100%}.modal--student-card__body input,.modal--student-card__body select,.modal--student-card__body textarea{max-width:100%;box-sizing:border-box}.modal--student-card .student-card-fio-field{position:relative;z-index:5}.modal--student-card .student-card-fio-field input{position:relative;z-index:1;line-height:1.4;min-height:2.5rem;padding-block:.55rem;background:var(--input-bg)}.modal--student-card__body .messenger-link-row{--messenger-row-control-height: 2.5rem}.form-card-actions .error-text{margin-bottom:.75rem}.input-no-spin{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.input-no-spin::-webkit-outer-spin-button,.input-no-spin::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.credentials-readonly{padding:.75rem;background:var(--table-head);border-radius:8px;font-size:.9rem}.credentials-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem;flex-wrap:wrap}.credentials-row>span:first-child{min-width:4.5rem;color:var(--text-muted);font-size:.875rem}.credentials-copy{padding:0;border:none;background:transparent}.credentials-copy code{font-size:.95rem}.copyable{position:relative;display:inline-flex;align-items:center;gap:.35rem;padding:0;border:none;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;border-radius:4px;transition:background .12s,color .12s}.copyable-body{min-width:0}.copyable:hover:not(:disabled){color:inherit;background:transparent}.copyable--text{padding:.1rem .25rem;margin:-.1rem -.25rem}.copyable--text:hover:not(:disabled){color:var(--copy-hover-fg);background:var(--copy-hover-bg)}.journal-cell-link.copyable--text:hover:not(:disabled),.journal-cell-link.copyable--text:active:not(:disabled){color:var(--journal-link-hover);background:transparent;text-decoration:none}[data-theme=dark] .journal-cell-link.copyable--text:hover:not(:disabled),[data-theme=dark] .journal-cell-link.copyable--text:active:not(:disabled){color:var(--journal-link-hover)}.copyable--text.copyable--done{color:var(--primary-dark);background:var(--primary-light)}[data-theme=dark] .copyable--text.copyable--done{color:#5eead4;background:#134e4a}.copyable-hint{font-size:.7rem;font-weight:600;color:currentColor;white-space:nowrap}.copyable:disabled{cursor:default;opacity:.7}.messenger-badges .copyable.messenger-badge{cursor:pointer;border-radius:0;background:transparent}.messenger-badges .copyable.messenger-badge--vk,.messenger-badges .copyable.messenger-badge--telegram,.messenger-badges .copyable.messenger-badge--whatsapp,.messenger-badges .copyable.messenger-badge--max{background:transparent}.messenger-badges .copyable.messenger-badge:hover:not(:disabled),.messenger-badges .copyable.messenger-badge--vk:hover:not(:disabled),.messenger-badges .copyable.messenger-badge--telegram:hover:not(:disabled),.messenger-badges .copyable.messenger-badge--whatsapp:hover:not(:disabled),.messenger-badges .copyable.messenger-badge--max:hover:not(:disabled){transform:none;box-shadow:none;filter:none;color:inherit;background:transparent}.messenger-badges .copyable.messenger-badge:hover:not(:disabled) .messenger-icon-svg{transform:scale(1.06)}.messenger-badges .copyable.messenger-badge--vk.copyable--done,.messenger-badges .copyable.messenger-badge--telegram.copyable--done,.messenger-badges .copyable.messenger-badge--whatsapp.copyable--done,.messenger-badges .copyable.messenger-badge--max.copyable--done{background:transparent}.messenger-badges .copyable.messenger-badge.copyable--done{box-shadow:none;transform:none}.messenger-badges .copyable.messenger-badge.copyable--done .messenger-icon-svg{transform:scale(1.04);filter:drop-shadow(0 0 0 1px var(--primary))}[data-theme=dark] .messenger-badges .copyable.messenger-badge:hover:not(:disabled){box-shadow:none}.students-table .copyable{max-width:100%}.students-journal-tab .students-table th.students-table__contact:not(.students-table__email),.students-journal-tab .students-table td.students-table__contact:not(.students-table__email){width:1%;max-width:10.5rem}table.data-table.students-table td.students-table__name .journal-field-cell{justify-content:flex-start}.students-journal-tab .students-table th.students-table__email,.students-journal-tab .students-table td.students-table__email{width:1%;min-width:0;overflow:hidden;white-space:nowrap}.students-journal-tab .students-table th.students-table__messengers,.students-journal-tab .students-table td.students-table__messengers{width:1%;white-space:nowrap}.students-journal-tab .copyable:not(.messenger-badge){flex-direction:column;align-items:center;gap:.2rem}.students-journal-tab .copyable-hint{line-height:1;color:var(--text)}.messengers-cell{--messenger-badge-size: 38px;--messenger-badge-gap: .5rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;min-height:var(--messenger-badge-size)}.messengers-cell .messenger-badges{gap:0;flex-wrap:nowrap}.messengers-cell .messenger-badges--single{display:flex;justify-content:center;align-items:center}.messengers-cell .messenger-badges--pair{display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:center;align-items:center;gap:var(--messenger-badge-gap)}.messengers-cell .messenger-badges--grid{display:grid;grid-template-columns:repeat(2,var(--messenger-badge-size));grid-auto-rows:var(--messenger-badge-size);gap:var(--messenger-badge-gap);justify-content:center;align-content:center;width:fit-content;margin-inline:auto}.students-table th.students-table__messengers,table.data-table.students-table td.students-table__messengers{width:1%;min-width:calc(var(--messenger-badge-size) * 2 + var(--messenger-badge-gap) + 1.3rem);padding-left:.65rem;padding-right:.65rem;text-align:center;vertical-align:middle}table.data-table.students-table td.students-table__messengers{--messenger-badge-size: 38px;--messenger-badge-gap: .5rem}.students-table th.students-table__messengers{white-space:nowrap}.hint-text{margin:.35rem 0 0;color:var(--text-muted);font-size:.8rem}.credentials-modal .credentials-box{display:grid;gap:.75rem;margin:1rem 0;padding:1rem;background:var(--table-head);border-radius:8px}.credentials-box code{display:block;margin-top:.25rem;font-size:1rem;padding:.35rem .5rem;background:var(--input-bg);border-radius:6px}.modal-wide{max-width:960px}.modal--groups{max-width:min(576px,calc(100vw - 2rem));width:100%;max-height:min(90vh,calc(100dvh - 2rem));overflow-y:auto}.modal--groups .form-grid label.checkbox-field{justify-content:flex-start;text-align:left}.modal--groups .form-grid label.checkbox-field span{color:var(--text)}.modal--groups .groups-student-checks{display:grid;gap:.35rem}.modal--groups .groups-student-checks .settings-check{justify-content:flex-start;text-align:left;color:var(--text)}.groups-badges{display:flex;flex-wrap:wrap;gap:.5rem}.group-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .75rem;border-radius:999px;border:1px solid var(--badge-tone-info-border);background:var(--badge-tone-info-bg);color:var(--badge-tone-info-fg);font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s ease,border-color .15s ease}.group-badge:hover{background:color-mix(in srgb,var(--badge-tone-info-bg) 65%,var(--primary-light));border-color:color-mix(in srgb,var(--primary) 40%,var(--badge-tone-info-border))}.group-badge__avatar{width:1.35rem;height:1.35rem;border-radius:50%;object-fit:cover;flex-shrink:0}.group-badge__avatar--fallback{display:inline-grid;place-items:center;background:color-mix(in srgb,var(--primary) 18%,var(--badge-tone-info-bg));color:var(--badge-tone-info-fg);font-size:.7rem;font-weight:700}.group-manage-modal .modal-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.75rem}.group-manage-modal .modal-header h3{margin:0;font-size:1.05rem}.group-manage-section{margin-bottom:1.25rem}.group-manage-section h4{margin:0 0 .65rem;font-size:.95rem}.group-manage-members{list-style:none;margin:0 0 .75rem;padding:0;display:grid;gap:.45rem}.group-manage-member{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.45rem .6rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg)}.group-manage-member--empty{color:var(--text-muted);justify-content:center}.group-manage-add{display:flex;gap:.5rem;align-items:center}.group-manage-add select{flex:1;min-width:0}.chat-edit-message__field{display:block;margin-bottom:1rem}.chat-edit-message__label{display:block;margin-bottom:.35rem;font-size:.875rem;color:var(--text-muted)}.chat-edit-message__field textarea{width:100%;min-height:6rem;resize:vertical;padding:.65rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font:inherit}.chat-edit-message__attachments{margin-bottom:1rem}.chat-edit-message__attachments-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.5rem}.chat-edit-message__count{font-size:.75rem;color:var(--text-muted)}.chat-edit-message__file-list{display:grid;gap:.45rem;margin-bottom:.65rem}.chat-edit-message__add-file{margin-top:.15rem}.chat-edit-message__current-file{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.5rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--input-bg)}.chat-edit-message__file-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.875rem}.chat-edit-message__file-actions{display:flex;flex-shrink:0;gap:.35rem}.chat-edit-message__removed-hint{margin:.35rem 0 0}.chat-edit-message-dialog .chat-compose__file-input{display:none}.chat-msg-edited{font-size:.7rem;opacity:.75}.modal--groups .modal-header{position:sticky;top:0;z-index:1;background:var(--modal-bg);padding-bottom:.75rem;margin-bottom:.5rem}.lesson-inline-form{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.homework-journal-panel{margin-bottom:1rem;width:100%}.journal-tab,.journal-tab--lessons-table{width:100%}.homework-journal-filters{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem;padding:.75rem;background:var(--bg-sub-toolbar);border-radius:8px}.homework-journal-filters-row{display:flex;flex-wrap:wrap;gap:.75rem 1rem;align-items:flex-end}.homework-journal-filters-row .students-col-filter__select{min-width:19.334rem;max-width:31.637rem}.homework-period-filters{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center;width:100%}.homework-journal-status--done{color:var(--badge-tone-positive-fg)}.homework-journal-status--overdue{color:var(--badge-tone-negative-fg)}table.data-table.homework-journal-table thead th,table.data-table.homework-journal-table tbody td,table.data-table.homework-journal-table th.schedule-list-table__hw-group,table.data-table.homework-journal-table th.schedule-list-table__hw-sub{text-align:center;vertical-align:middle}table.data-table.homework-journal-table th.schedule-list-table__hw-sub{font-size:.78rem;font-weight:600}table.data-table.homework-journal-table td.schedule-list-table__hw-cell,table.data-table.homework-journal-table td.schedule-list-table__badge-cell,table.data-table.homework-journal-table td.schedule-list-table__time-cell{text-align:center;vertical-align:middle}table.data-table.homework-journal-table td.schedule-list-table__badge-cell .lesson-badge-dropdown__trigger{cursor:pointer}.homework-journal-table__student-cell .homework-journal-student-link{display:inline-flex;flex-direction:column;align-items:center;gap:.1rem;line-height:1.15;text-align:center}.homework-journal-student-line{display:block;white-space:nowrap}.homework-journal-table__due-cell{text-align:center;vertical-align:middle;min-width:7.5rem;min-height:2.85rem;overflow-anchor:none}.homework-journal-table__actions-col{white-space:nowrap;min-width:8.5rem}.homework-journal-table__edit-cell{text-align:center;vertical-align:middle;padding:.35rem .4rem;white-space:normal}.schedule-list-table .homework-journal-table__edit-cell .hw-journal-edit-btn{margin:0 .12rem .25rem}.hw-journal-edit-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.35rem .65rem;margin:0 auto;border-radius:8px;border:1px solid color-mix(in srgb,var(--primary) 45%,var(--border));background:color-mix(in srgb,var(--primary-light) 40%,var(--input-bg));color:var(--primary);font-size:.8125rem;font-weight:600;font-family:inherit;line-height:1.2;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.hw-journal-edit-btn:hover:not(:disabled){background:color-mix(in srgb,var(--primary-light) 65%,var(--input-bg));border-color:var(--primary);color:var(--primary-dark)}.hw-journal-edit-btn:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 55%,transparent);outline-offset:2px}.hw-journal-edit-btn:disabled{opacity:.48;cursor:not-allowed;border-color:var(--border);background:color-mix(in srgb,var(--text-muted) 8%,var(--input-bg));color:var(--text-muted)}.hw-journal-edit-btn svg{flex-shrink:0}.hw-journal-edit-btn--icon{width:38px;height:38px;min-width:38px;min-height:38px;padding:0;gap:0;box-sizing:border-box}.hw-journal-edit-btn--icon svg{width:24px;height:24px}.hw-journal-action-btn--danger{border-color:color-mix(in srgb,var(--danger) 45%,var(--border));background:color-mix(in srgb,var(--danger) 10%,var(--input-bg));color:var(--danger)}.hw-journal-action-btn--danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 18%,var(--input-bg));border-color:var(--danger);color:color-mix(in srgb,var(--danger) 85%,#450a0a)}.hw-journal-action-btn--danger:focus-visible{outline-color:color-mix(in srgb,var(--danger) 55%,transparent)}.homework-journal-table .homework-file-cell{align-items:center}.homework-file-cell{display:flex;flex-direction:column;align-items:flex-start;gap:.25rem}.homework-file-name{max-width:22rem;font-size:.75rem;color:var(--text-muted);word-break:break-word;line-height:1.2}.muted-text{color:var(--text-muted);margin:.5rem 0}.btn-small{padding:.25rem .55rem;font-size:.85rem}.settings-tab{display:flex;flex-direction:column;width:100%;min-height:min(72vh,calc(100dvh - 11rem));max-height:min(88vh,calc(100dvh - 7rem))}.settings-tab__scroll{flex:1;min-height:0;overflow-y:auto;padding-bottom:.5rem;max-width:36rem}.settings-tab__title{margin:0 0 1.25rem;font-size:1.35rem}.settings-tab__scroll>.form-spoiler{margin-top:0;padding-top:0;border-top:none}.settings-tab__scroll>.form-spoiler+.form-spoiler{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border)}.settings-spoiler-body--contacts{padding-bottom:.25rem}.settings-section__hint--tight{margin-top:.5rem;margin-bottom:0}.teacher-chat-settings{padding-bottom:.25rem}.teacher-lesson-settings{display:grid;gap:.65rem}.settings-work-hours{display:grid;gap:.75rem}.settings-work-hours__modes{display:flex;flex-wrap:wrap;gap:1rem 1.5rem}.settings-work-hours__times{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}.settings-work-hours__time-field{display:inline-flex;align-items:center;gap:.5rem;margin:0;font-size:.95rem}.settings-work-hours__time-label{color:var(--text-muted);font-weight:600;white-space:nowrap}.settings-work-hours__time-select{min-width:5.5rem;padding:.45rem 2rem .45rem .65rem;border-radius:8px;border:1px solid var(--border);background-color:var(--input-bg);color:var(--text);font:inherit;color-scheme:light;transition:none}[data-theme=dark] .settings-work-hours__time-select{color-scheme:dark}.settings-work-hours__time-select--locked{pointer-events:none;background:var(--bg-soft);color:var(--text-muted);border-color:var(--border);opacity:.85;cursor:not-allowed}.teacher-finance-settings{padding-bottom:.25rem;display:grid;gap:.85rem}.settings-finance-price-row{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;font-size:.95rem}.settings-finance-price-row__options{display:inline-flex;flex-wrap:nowrap;align-items:center;gap:1.25rem;min-width:0}.settings-finance-price-row__label{color:var(--text);white-space:nowrap;flex-shrink:0}.settings-finance-price-row .settings-check{white-space:nowrap;flex-shrink:0}.finance-disabled-hint{margin:0}.finance-tab{display:flex;flex-direction:column;gap:.75rem}.finance-toolbar-panel{margin-bottom:0}.finance-tab__hint{margin:0}.finance-report-table__amount{text-align:right;white-space:nowrap}.finance-report-table__total-row td{border-top:2px solid var(--border);padding-top:.65rem}.settings-tab__message{max-width:36rem;margin-top:1rem}.settings-tab-footer{position:sticky;bottom:0;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;width:100%;flex-shrink:0;margin-top:auto;padding:1rem 0 .25rem;background:var(--bg-card);border-top:1px solid var(--border);box-shadow:0 -10px 28px color-mix(in srgb,var(--bg-card) 55%,transparent)}.settings-tab-footer__primary{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.settings-tab-footer__reset{margin-left:auto}.settings-tab .form-spoiler-toggle{justify-content:flex-start;width:auto}.settings-tab .form-spoiler-title{display:inline-flex;align-items:center;gap:.35rem;font-size:1rem;line-height:1.25}.settings-tab .form-spoiler-arrow--vertical{width:16px;height:16px;margin-left:0;border:none;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat center / contain;transform:rotate(-90deg);transition:transform .15s ease}.settings-tab .form-spoiler-arrow--vertical.form-spoiler-arrow--open{transform:rotate(0)}.settings-section__hint{margin:0 0 .85rem;color:var(--text-muted);font-size:.875rem}.settings-checklist{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.settings-divider{height:1px;width:100%;background:var(--border);margin:.9rem 0}.settings-checklist-row{display:grid;grid-template-columns:1fr auto auto;gap:.5rem;align-items:center}.settings-checklist-row input[type=number]{max-width:10rem}.settings-checklist-row .settings-check{min-width:0}.settings-check{display:inline-flex;align-items:center;gap:.55rem;font-size:.95rem;cursor:pointer}.settings-check input[type=checkbox],.settings-check input[type=radio]{width:1.05rem;height:1.05rem}.settings-check--locked{color:var(--text-muted);cursor:default}.settings-check--locked input[type=checkbox],.settings-check--locked input[type=radio]{cursor:not-allowed;opacity:.55}.settings-check--locked span{color:var(--text-muted)}.student-profile-overlay{top:4.25rem;right:0;bottom:0;left:0;z-index:1500;align-items:flex-start;justify-content:center;padding:1rem 1rem 1.5rem;overflow-y:auto}.student-profile-modal{max-width:34rem;width:min(34rem,calc(100vw - 2rem));max-height:calc(100vh - 6.75rem);margin:0;padding:1rem 1.15rem}.student-profile-title{margin:0;display:flex;flex-direction:column;gap:.15rem;line-height:1.3;font-size:1.05rem}.student-profile-name{font-weight:600;color:var(--text)}.student-avatar-row{display:flex;align-items:center;gap:1rem}.student-avatar-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.avatar-picker-dropdown{position:relative}.avatar-gallery-popover{position:absolute;top:calc(100% + .35rem);left:0;z-index:20;background:var(--modal-bg);border:1px solid var(--border);border-radius:10px;padding:.65rem;box-shadow:var(--shadow);min-width:14rem}.avatar-gallery-item--none{display:flex;align-items:center;justify-content:center}.avatar-gallery-none{font-size:.95rem;color:var(--text-muted);line-height:1}.student-dashboard-actions{display:flex;gap:.75rem;align-items:center}.readonly-field input:read-only{background:var(--table-head);color:var(--text-muted);cursor:default}.student-avatar-section{padding-bottom:.5rem;border-bottom:1px dashed var(--border)}.student-avatar-preview{width:5.5rem;height:5.5rem;border-radius:50%;overflow:hidden;border:2px solid color-mix(in srgb,var(--primary) 35%,var(--border));background:var(--input-bg);display:flex;align-items:center;justify-content:center}.student-avatar-img{width:100%;height:100%;object-fit:cover}.student-avatar-fallback{font-size:1.35rem;font-weight:700;color:var(--primary-dark)}.avatar-gallery-grid{display:grid;grid-template-columns:repeat(4,3rem);gap:.45rem}.avatar-gallery-item{width:3rem;height:3rem;padding:0;border:2px solid var(--border);border-radius:50%;overflow:hidden;background:var(--input-bg);cursor:pointer}.avatar-gallery-item img{width:100%;height:100%;object-fit:cover;display:block}.avatar-gallery-item.selected,.avatar-gallery-item:hover{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary-light) 60%,transparent)}.user-avatar{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:50%;overflow:hidden;background:color-mix(in srgb,var(--primary-light) 45%,var(--bg-card));color:var(--primary-dark);font-weight:700}.user-avatar--sm{width:2rem;height:2rem;font-size:.72rem}.user-avatar--md{width:4.5rem;height:4.5rem;font-size:1.25rem}.user-avatar__img{width:100%;height:100%;object-fit:cover}.user-avatar--placeholder,.user-avatar--group{background:color-mix(in srgb,var(--primary-light) 50%,var(--bg-card));color:var(--primary)}.group-avatar-fallback-icon{width:1.15rem;height:1.15rem;color:var(--primary)}.system-notification-icon{background:var(--btn-primary-bg, var(--primary-dark));color:#fff;overflow:visible}.system-notification-icon svg{width:1.35rem;height:1.35rem}.notification-item{flex-direction:row;align-items:flex-start;gap:.55rem}.notification-item-content{display:flex;flex-direction:column;align-items:flex-start;gap:.2rem;min-width:0;flex:1}.notification-item-content--lesson-notice{flex:1;min-width:0;align-content:center}.notifications-panel .notification-item-content--lesson-notice-panel{display:flex;flex-direction:column;align-items:flex-start;gap:.18rem;width:100%;min-width:0}.notifications-panel .notification-item-content--lesson-notice-panel .notification-type{min-width:0;max-width:none;width:auto;padding-left:0}.notifications-panel .notification-item-content--lesson-notice-panel .notification-message,.notifications-panel .notification-item-content--lesson-notice-panel time,.notifications-panel .notification-item-content--lesson-notice-panel .notification-action-link{padding-left:0;width:100%}.notification-message{font-size:.88rem;line-height:1.35}.chat-conv-btn{display:flex;align-items:center;gap:.5rem}.chat-conv-text{display:flex;flex-direction:column;min-width:0;flex:1}.chat-msg{display:flex;align-items:flex-end;gap:.45rem;max-width:100%}.chat-msg.mine{flex-direction:row-reverse}.chat-msg-content{display:flex;flex-direction:column;align-items:flex-start;min-width:0;max-width:100%}.chat-msg.mine .chat-msg-content{align-items:flex-end}.profile-name-link{border:none;background:none;padding:0;margin:0;font:inherit;color:var(--primary);cursor:pointer;text-align:left;text-decoration:underline;text-underline-offset:2px}.profile-name-link:hover{color:var(--primary-dark)}.profile-name-link.notification-profile-name{font-weight:700;color:inherit;text-decoration:none;padding:.05rem .25rem;margin:0 -.25rem;border-radius:6px;transition:color .15s ease,background-color .15s ease}.profile-name-link.notification-profile-name:hover{color:var(--primary);background:color-mix(in srgb,var(--primary-light) 35%,transparent);text-decoration:underline;text-underline-offset:2px}.chat-msg-author.profile-name-link{font-size:.75rem;margin-bottom:0}.user-profile-overlay{top:4.25rem;right:0;bottom:0;left:0;z-index:1500;align-items:flex-start;justify-content:center;padding:1rem 1rem 1.5rem;overflow-y:auto}.user-profile-modal{max-width:28rem;width:min(28rem,calc(100vw - 2rem));max-height:calc(100vh - 6.75rem);margin:0;padding:1rem 1.15rem}.user-profile-readonly .user-profile-popup-avatar{display:flex;justify-content:center;margin-bottom:.25rem}.messengers-readonly-list{list-style:none;margin:.35rem 0 0;padding:0;display:flex;flex-direction:column;gap:.35rem}.messengers-readonly-list li{display:flex;align-items:center;gap:.45rem;font-size:.9rem}.messengers-readonly-list a{color:var(--primary);word-break:break-all}.teacher-profile-form{max-width:36rem}html[data-a11y=on]{font-size:125%;-webkit-font-smoothing:auto;-moz-osx-font-smoothing:auto}html[data-a11y=on]{--bg-page: #ffffff;--bg-soft: #f0f0f0;--bg-card: #ffffff;--bg-header: #ffffff;--bg-main-tabs: #000000;--bg-sub-toolbar: #f0f0f0;--text: #000000;--text-muted: #1f1f1f;--text-on-dark: #ffffff;--border: #000000;--primary: #003d82;--primary-dark: #002a5c;--primary-light: #dce8f5;--accent: #8a6100;--btn-hover-bg: #003d82;--btn-hover-border: #003d82;--btn-hover-fg: #ffffff;--danger: #9b0000;--success: #005700;--table-head: #e8e8e8;--table-hover: #f5f5f5;--input-bg: #ffffff;--modal-bg: #ffffff;--overlay: rgba(0, 0, 0, .72);--fc-today: #e8f0fa;--copy-hover-bg: #000000;--copy-hover-fg: #ffffff;--scrollbar-track: #e8e8e8}html[data-a11y=on] body{line-height:1.5;letter-spacing:.02em;font-weight:500;background:var(--bg-page)}html[data-a11y=on] :where(p,li,td,th,label,button,input,select,textarea){font-weight:inherit}html[data-a11y=on] :focus-visible{outline:3px solid #000000;outline-offset:2px}.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html[data-a11y=on] .skip-link{position:absolute;left:1rem;top:-4rem;z-index:2000;width:auto;height:auto;margin:0;padding:.65rem 1rem;overflow:visible;clip:auto;white-space:normal;border:2px solid #000000;border-radius:8px;background:#fff;color:#000;font-weight:700;text-decoration:none}html[data-a11y=on] .skip-link:focus{top:1rem}html[data-a11y=on] a,html[data-a11y=on] .link-btn,html[data-a11y=on] .notification-action-link{text-decoration:underline;text-underline-offset:2px}html[data-a11y=on] .btn,html[data-a11y=on] .header-icon-btn,html[data-a11y=on] .main-tab-btn,html[data-a11y=on] .sub-tab-btn{min-height:2.75rem;font-weight:700}html[data-a11y=on] .header-icon-btn{width:2.75rem;border-width:2px}html[data-a11y=on] .header-icon-btn.header-icon-btn--a11y-active{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark);box-shadow:inset 0 0 0 2px var(--primary)}html[data-a11y=on] .main-tab-btn{border-width:2px;font-weight:700}html[data-a11y=on] .main-tab-btn.active{background:#fff;color:#000;border-color:#fff}html[data-a11y=on] table.data-table th{font-weight:700;border-bottom-width:2px}html[data-a11y=on] table.data-table td{border-bottom-width:1px}html[data-a11y=on] .lesson-result,html[data-a11y=on] .lesson-status-badge,html[data-a11y=on] [class*=student-status-badge--]{font-weight:700;border:2px solid #000000}html[data-a11y=on] .hint-text,html[data-a11y=on] .muted-text{color:var(--text-muted);font-weight:500}html[data-a11y=on] input,html[data-a11y=on] select,html[data-a11y=on] textarea,html[data-a11y=on] .date-input-trigger{border-width:2px;font-weight:500}html[data-a11y=on] .card{border-width:2px}html[data-a11y=on] *,html[data-a11y=on] *:before,html[data-a11y=on] *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html[data-a11y=on] .header-icon-btn--alert{animation:none}html[data-a11y=on] .schedule-calendar .fc-event{border:2px solid #000000!important;font-weight:700}html[data-a11y=on] .badge{border:2px solid #000000;font-weight:700}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}