:root{--color-bg: #f3f2ef;--color-surface: #ffffff;--color-border: rgba(0, 0, 0, .08);--color-border-strong: rgba(0, 0, 0, .16);--color-text: rgba(0, 0, 0, .9);--color-text-muted: rgba(0, 0, 0, .6);--color-text-subtle: rgba(0, 0, 0, .42);--color-primary: #0a66c2;--color-primary-hover: #004182;--color-danger: #c41e3a;--color-danger-bg: #fdedf0;--color-success: #057642;--color-success-bg: #e3f9e9;--color-warning: #b45309;--color-info-bg: #e8f3fc;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-card: 0 0 0 1px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .06);--shadow-header: 0 1px 0 rgba(0, 0, 0, .08);--focus-ring: 0 0 0 2px #ffffff, 0 0 0 4px #0a66c2;--font: system-ui, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;--text-xs: 12px;--text-sm: 14px;--text-md: 16px;--leading-tight: 1.25;--leading-body: 1.5;--brand-teal: #0d9488;--brand-teal-bright: #14b8a6;--brand-blue: #2563eb;--color-surface-alt: #f8fafc;--color-surface-raised: #ffffff;--tone-warn: #b45309;--tone-warn-bg: #fff7ed;--tone-ok: #057642;--tone-ok-bg: #e3f9e9}*{box-sizing:border-box}body{margin:0;font-family:var(--font);font-size:var(--text-sm);line-height:var(--leading-body);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-shell__main{flex:1 0 auto}.app-layout{display:flex;min-height:100vh;background:var(--color-bg)}.app-layout__body{display:flex;flex:1;min-width:0;align-items:stretch}.app-layout__main{flex:1;min-width:0;overflow-x:hidden;display:flex;flex-direction:column}.app-layout__toolbar-strip{display:flex;justify-content:flex-end;padding:8px 20px 0;flex-shrink:0}.app-layout__main>main{flex:1 1 auto;width:100%;min-width:0;min-height:0}.app-layout__main>main.page,.app-layout__main>.page,.app-layout__main>main.teacher-calendar-page{max-width:none;width:100%;margin-left:0;margin-right:0;min-width:0;box-sizing:border-box}.app-layout__main .teacher-calendar-page .page-inner{max-width:none;width:100%;margin-left:0;margin-right:0}.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;box-shadow:0 1px 2px #0000000a}.panel+.panel{margin-top:16px}.notification-bell-wrap{position:relative}.notification-bell-btn{position:relative;border:1px solid var(--color-border-strong);background:var(--color-surface);border-radius:999px;padding:6px 12px;cursor:pointer;font-size:14px}.notification-bell-badge{position:absolute;top:-4px;right:-4px;background:var(--color-danger);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center}.notification-bell-panel{position:absolute;right:0;margin-top:6px;width:min(360px,92vw);background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;box-shadow:0 8px 24px #0000001f;padding:12px;z-index:60}.notification-bell-list{list-style:none;margin:0;padding:0;max-height:320px;overflow-y:auto}.notification-bell-item{display:flex;flex-direction:column;gap:4px;padding:8px 6px;border-radius:6px;text-decoration:none;color:inherit}.notification-bell-item:hover{background:var(--color-surface-alt)}.persona-profile-card--hero{margin-bottom:16px}.persona-profile-hero{display:flex;gap:20px;align-items:center}.persona-profile-name{margin:0 0 4px;font-size:1.35rem}.persona-profile-avatar{width:96px;height:96px;border-radius:999px;overflow:hidden;background:#e2e8f0;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;flex-shrink:0}.persona-profile-avatar img{width:100%;height:100%;object-fit:cover}.persona-profile-section-title{margin:0 0 12px;font-size:1.05rem}.persona-profile-dl{display:grid;grid-template-columns:minmax(120px,180px) 1fr;gap:8px 16px;margin:0;font-size:var(--text-sm)}.persona-profile-dl dt{color:var(--color-text-muted);margin:0}.persona-profile-dl dd{margin:0}.persona-profile-children{list-style:none;padding:0;margin:0}.persona-profile-child{padding:10px 0;border-bottom:1px solid #e5e7eb;display:flex;flex-direction:column;gap:4px}@media (max-width: 560px){.persona-profile-dl{grid-template-columns:1fr}}.app-attention-rail{width:72px;flex-shrink:0;background:var(--color-surface-alt);border-left:1px solid var(--color-border);padding:12px 6px;display:flex;flex-direction:column;gap:10px;align-items:center;position:sticky;top:0;align-self:flex-start;height:100vh;z-index:50}.app-attention-rail__item{display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;color:var(--color-text-muted);font-size:.65rem;font-weight:600;line-height:1.2;text-align:center;padding:8px 4px;border-radius:8px;width:100%}.app-attention-rail__item:hover{background:var(--color-border);color:var(--color-text)}.app-attention-rail__item--active .app-attention-rail__n{background:var(--color-warning);color:#fff}.app-attention-rail__n{display:inline-flex;align-items:center;justify-content:center;min-width:1.5rem;padding:2px 6px;border-radius:999px;background:var(--color-border-strong);color:var(--color-text);font-size:.75rem;font-variant-numeric:tabular-nums}.app-attention-rail__lbl{width:100%;overflow-wrap:normal;word-break:normal;-webkit-hyphens:none;hyphens:none}@media (max-width: 899px){.app-attention-rail{display:none}.app-layout__toolbar-strip{padding:8px 12px 0}.app-layout__mobile-bar .notification-bell-wrap{margin-left:auto}.page,.teacher-calendar-page .page-inner,.admin-portal__inner{padding-left:12px;padding-right:12px}.teacher-cal-drag-modal__backdrop{align-items:flex-end;padding:0}.teacher-cal-drag-modal{max-width:100%;width:100%;border-radius:12px 12px 0 0;max-height:90vh}.session-drawer__backdrop{align-items:stretch;justify-content:flex-end}.session-drawer{max-width:100%;border-left:none;border-top:1px solid var(--color-border)}.teacher-cal__calendar-shell{min-height:0;height:auto}.teacher-cal__action-bar{top:48px}.teacher-cal__copy-btn{margin-left:0;flex:1 1 100%;max-width:100%}.teacher-avail-hours-header--compact .teacher-avail-hours-header__stats{flex:1 1 100%}.admin-schedule-calendar--viewport{min-height:22rem;max-height:calc(100vh - 11rem)}.admin-teacher-schedule__action-bar{top:48px}.admin-teacher-schedule__teacher-pick,.admin-teacher-schedule__teacher-pick select{min-width:0;width:100%;max-width:none}.fc-wrapper .fc-toolbar{flex-wrap:wrap;gap:8px}.fc-wrapper .fc-toolbar-chunk{display:flex;flex-wrap:wrap;gap:4px}}@keyframes admin-focus-pulse{0%{box-shadow:0 0 #0e749080}to{box-shadow:0 0 0 12px #0e749000}}.admin-focus-flash{animation:admin-focus-pulse 1.2s ease-out 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img{width:100%;height:100%;border-radius:50%;object-fit:cover}.app-sidebar__user-info{display:flex;flex-direction:column;min-width:0}.app-sidebar__user-info strong{font-size:13px;color:#f1f5f9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-sidebar__user-info span{font-size:11px;color:#64748b;text-transform:capitalize}.app-sidebar__sections{flex:1;overflow-y:auto;padding:6px 0}.app-sidebar__section{margin-bottom:2px}.app-sidebar__section-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#475569;padding:14px 16px 4px}.app-sidebar__item{display:flex;align-items:center;gap:9px;padding:8px 16px;color:#94a3b8;font-size:13.5px;text-decoration:none;cursor:pointer;border:none;background:none;width:100%;text-align:left;border-radius:0;transition:background .12s,color 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24px}.teacher-homework-page__sections{display:grid;gap:28px;margin-top:8px}.teacher-homework-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:20px}@media (min-width: 720px){.teacher-homework-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}.teacher-homework-stats__card{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 12px);background:var(--color-surface, #fff);box-shadow:0 1px 2px #0f172a0a}.teacher-homework-stats__value{font-size:1.75rem;font-weight:700;line-height:1.1;color:var(--color-text, #0f172a)}.teacher-homework-stats__label{font-size:.8125rem;color:#64748b;line-height:1.35}.teacher-homework-toolbar{display:grid;gap:12px;margin-bottom:20px;padding:14px 16px;border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 12px);background:#f8fafc}@media (min-width: 768px){.teacher-homework-toolbar{grid-template-columns:1fr 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-1}.teacher-homework-section__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-bottom:12px}.teacher-homework-section__title{margin:0;font-size:1.0625rem;font-weight:700;color:var(--color-text, #0f172a)}.teacher-homework-section__count{font-weight:600;color:#64748b}.teacher-homework-section__list{display:grid;gap:12px}.teacher-homework-card{border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 12px);background:var(--color-surface, #fff);box-shadow:0 1px 2px #0f172a0a;overflow:hidden;transition:border-color .15s,box-shadow .15s}.teacher-homework-card:hover{border-color:#cbd5e1}.teacher-homework-card--open{border-color:var(--color-primary, #2563eb);box-shadow:0 4px 14px #2563eb14}.teacher-homework-card--past{background:#fcfdff}.teacher-homework-card__header{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:14px 16px}.teacher-homework-card__toggle{flex:1 1 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.15s,background .15s}.teacher-homework-card__chevron--open{transform:rotate(180deg);background:#2563eb1f;color:var(--color-primary, #2563eb)}.teacher-homework-card__body{padding:0 16px 16px;border-top:1px solid var(--color-border, #e2e8f0);background:#f8fafc}.teacher-homework-card__form{padding-top:16px;max-width:none}.teacher-homework-card__form-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-bottom:12px}.teacher-homework-card__form-title{margin:0;font-size:.9375rem;font-weight:700}.teacher-homework-card__dirty-badge{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:#b45309;background:#fef3c7;padding:4px 8px;border-radius:999px}.teacher-homework-card__form textarea{min-height:120px;resize:vertical}.teacher-homework-card__form .worksheet-upload{margin-top:4px;padding:14px;border:1px dashed #cbd5e1;border-radius:var(--radius-md, 8px);background:#fff}.teacher-homework-card__form-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--color-border, #e2e8f0)}.teacher-homework-card__saved{margin:0;color:#15803d;font-weight:600}.teacher-homework-toast-stack{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:8px;max-width:min(360px,calc(100vw - 40px));pointer-events:none}.teacher-homework-toast{padding:14px 18px;border-radius:10px;color:#fff;font-size:.9375rem;font-weight:600;box-shadow:0 8px 24px #0f172a2e;pointer-events:auto}.teacher-homework-toast--success{background:var(--color-success, #16a34a)}.teacher-homework-toast--error{background:var(--color-danger, #dc2626)}.teacher-workspace-page{max-width:960px}.teacher-workspace-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.teacher-workspace-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--color-border, #e2e8f0)}.teacher-workspace-tabs__tab{padding:8px 16px;border:1px solid transparent;border-radius:999px;background:transparent;font-size:.9375rem;font-weight:600;color:#64748b;cursor:pointer}.teacher-workspace-tabs__tab:hover{color:var(--color-primary, #2563eb)}.teacher-workspace-tabs__tab--active{border-color:var(--color-primary, #2563eb);background:#2563eb14;color:var(--color-primary, #2563eb)}.teacher-workspace-learner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.teacher-workspace-learner-card{padding:20px;border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 12px);background:#fff;box-shadow:0 1px 2px #0f172a0a}.teacher-workspace-learner-card__name{margin:0 0 4px;font-size:1.125rem}.teacher-workspace-learner-card__cta{margin-top:14px;width:100%}.teacher-workspace-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:20px}.teacher-workspace-stats--compact{max-width:540px}@media (min-width: 720px){.teacher-workspace-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.teacher-workspace-stats--compact{grid-template-columns:repeat(3,minmax(0,1fr))}}.teacher-workspace-stats__card{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 12px);background:#fff}.teacher-workspace-stats__value{font-size:1.5rem;font-weight:700;line-height:1.1}.teacher-workspace-stats__label{font-size:.8125rem;color:#64748b}.teacher-workspace-hero{margin-bottom:20px;padding:22px 24px}.teacher-workspace-hero--empty{padding:28px 24px}.teacher-workspace-hero__eyebrow{margin:0 0 6px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-primary, #2563eb)}.teacher-workspace-hero__title{margin:0 0 6px;font-size:1.25rem}.teacher-workspace-hero__time{margin:0 0 8px;font-weight:600}.teacher-workspace-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}.teacher-workspace-overview__grid{display:grid;gap:16px;margin-bottom:16px}@media (min-width: 768px){.teacher-workspace-overview__grid{grid-template-columns:1fr 1fr}}.teacher-workspace-panel{padding:18px 20px}.teacher-workspace-panel__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.teacher-workspace-panel__title{margin:0 0 12px;font-size:1rem;font-weight:700}.teacher-workspace-panel__head .teacher-workspace-panel__title{margin-bottom:0}.teacher-workspace-enrollment-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}.teacher-workspace-enrollment__head{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.teacher-workspace-enrollment__next{margin:6px 0;font-size:.9375rem}.teacher-workspace-summary{margin:8px 0 12px;line-height:1.5}.teacher-workspace-session-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.teacher-workspace-session{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--color-border, #e2e8f0)}.teacher-workspace-session:last-child{border-bottom:none}.teacher-workspace-session__actions{display:flex;gap:8px}.teacher-workspace-submission-list{display:grid;gap:12px}.teacher-workspace-submission{border:1px solid var(--color-border, #e2e8f0);border-radius:var(--radius-lg, 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.admin-moderation-history-list__body{border-color:#fca5a5;background:#fff7ed}.admin-profanity-hit{color:#b91c1c;font-weight:600;background:#fee2e2;border-radius:2px;padding:0 2px}.chat-window__composer{border-top:1px solid #e4e6ea;background:#fff;padding:12px 16px;display:flex;flex-direction:column;gap:10px}.chat-window__composer button{background:#0a66c2;color:#fff;border:0;border-radius:20px;padding:8px 18px;font-weight:600;cursor:pointer}.chat-window__composer button:disabled{background:#9db4cc;cursor:not-allowed}.chat-window__target{display:grid;gap:4px}.chat-window__composer textarea{min-height:44px;max-height:120px}@media (max-width: 900px){.chat-shell{grid-template-columns:1fr}.chat-list{border-right:0;border-bottom:1px solid #e2e8f0}}.teacher-calendar-page .page-inner{max-width:1200px;margin:0 auto;padding:12px 20px 32px}.teacher-calendar-page__inner{display:flex;flex-direction:column;gap:0}.teacher-cal__title{margin:0 0 8px;font-size:1.35rem}.teacher-cal__flash{margin:0 0 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summary{cursor:pointer;font-size:var(--text-sm, .875rem);color:var(--color-text-muted);font-weight:500}.teacher-cal__help p{margin:8px 0 0}.teacher-cal__toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}.teacher-cal__tz{margin-left:auto}.teacher-cal__drag-hint{flex:1 1 100%}.teacher-cal__policy-banner{margin-bottom:12px}.teacher-cal__columns{display:flex;gap:0;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);overflow:hidden;min-height:520px}.teacher-cal__gutter{flex:0 0 52px;border-right:1px solid var(--color-border);background:#f8fafc}.teacher-cal__gutter-head{height:40px;border-bottom:1px solid var(--color-border)}.teacher-cal__gutter-hour{height:48px;font-size:11px;color:var(--color-text-muted);padding:2px 6px;border-bottom:1px solid #eef2f6}.teacher-cal__day-col{flex:1 1 0;min-width:0;border-right:1px solid var(--color-border)}.teacher-cal__day-col:last-child{border-right:0}.teacher-cal__col-head{height:40px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;border-bottom:1px solid var(--color-border);background:#f1f5f9}.teacher-cal__col-head--warn{background:#fff7ed;color:#9a3412;box-shadow:inset 0 -2px #fb923c}.teacher-avail-hours-header{margin:1rem 0 1.25rem;padding:1rem 1.15rem;border:1px solid var(--color-border);border-radius:10px;background:#f8fafc}.teacher-avail-hours-header--compact{flex:1 1 280px;min-width:0;margin:0;padding:8px 12px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;border-radius:8px}.teacher-avail-hours-header--compact .teacher-avail-hours-header__stats{margin:0;font-size:.875rem;font-weight:600;line-height:1.35}.teacher-avail-hours-header__badge{font-size:.8125rem;font-weight:500;padding:3px 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8px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;background:var(--color-info-bg);color:var(--color-primary);border:1px solid rgba(10,102,194,.18)}.session-drawer__kind-badge--completed{background:var(--color-success-bg);color:var(--color-success);border-color:#05764233}.session-drawer__kind-badge--pending{background:#fff7ed;color:var(--color-warning);border-color:#b4530933}.session-drawer__kind-badge--cancelled{background:var(--color-danger-bg);color:var(--color-danger);border-color:#c41e3a33}.session-drawer__kind-badge--demo{background:#f5f3ff;color:#6d28d9;border-color:#6d28d933}.session-drawer__title{font-size:1.125rem;font-weight:700;letter-spacing:-.01em;color:var(--color-text);margin:0;line-height:1.3}.session-drawer__section{display:flex;flex-direction:column;gap:0}.session-drawer__section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-subtle);margin:0 0 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8px;font-style:italic}.session-drawer__reschedule-actions{display:flex;gap:8px;flex-wrap:wrap}.session-drawer__feedback-msg{margin-top:8px;font-size:var(--text-sm);font-weight:500}.session-drawer__feedback-msg--error{color:var(--color-danger)}.session-drawer__feedback-msg--ok{color:var(--color-success)}.session-drawer__skeleton{display:flex;flex-direction:column;gap:12px;padding:4px 0}.session-drawer__skeleton-row{height:14px;background:linear-gradient(90deg,var(--color-border) 25%,var(--color-surface-alt) 50%,var(--color-border) 75%);background-size:200% 100%;border-radius:var(--radius-sm);animation:shimmer 1.4s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.session-drawer__skeleton-row--short{width:55%}.session-drawer__skeleton-row--medium{width:75%}.session-drawer__skeleton-row--long{width:90%}.session-drawer__join-strip{background:var(--color-info-bg);border:1px solid rgba(10,102,194,.18);border-radius:var(--radius-md);padding:12px 16px}.session-drawer__simple-body{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.5}.session-drawer__delete-confirm{background:var(--color-danger-bg);border:1px solid rgba(196,30,58,.2);border-radius:var(--radius-md);padding:12px 14px;font-size:var(--text-sm);color:var(--color-danger)}@media (max-width: 520px){.teacher-cal-drag-modal{max-width:100%}}.modal-close-button{position:absolute;top:10px;right:10px;z-index:1;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:none;border-radius:var(--radius-sm, 6px);background:transparent;color:var(--color-text-muted, #64748b);font-size:1.5rem;line-height:1;cursor:pointer}.modal-close-button:hover:not(:disabled){background:var(--color-surface-muted, #f1f5f9);color:var(--color-text)}.modal-close-button:focus-visible{outline:2px solid var(--color-primary, #0a66c2);outline-offset:2px}.modal-close-button:disabled{opacity:.5;cursor:not-allowed}.modal-backdrop 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0;padding-left:1.1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.teacher-portal__quick-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.teacher-portal-page{max-width:1280px}.live-session{min-height:100vh;background:#0b1020;color:#f5f7fb;padding:24px}.live-session__inner{max-width:1080px;margin:0 auto;background:#101736;border-radius:16px;padding:24px;box-shadow:0 8px 32px #00000059}.live-lobby h1{margin-top:0}.live-lobby__row{display:flex;gap:12px;align-items:center;margin:12px 0}.live-lobby__consent{display:flex;gap:10px;align-items:flex-start;margin:18px 0;font-size:14px;line-height:1.5}.live-lobby__join{background:#22c55e;color:#052e16;border:0;padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer}.live-lobby__join:disabled{opacity:.5;cursor:not-allowed}.live-room__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:#9aa3c7}.live-room__rec{background:#dc2626;color:#fff;padding:2px 8px;border-radius:999px;font-weight:700}.live-room__videos{position:relative;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16 / 9}.live-room__remote{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#94a3b8}.live-room__local{position:absolute;right:16px;bottom:16px;width:22%;aspect-ratio:4 / 3;border-radius:8px;overflow:hidden;background:#1f2937;border:2px solid rgba(255,255,255,.25)}.live-room__controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.live-room__controls button{background:#1f2a57;color:#e5e7eb;border:1px solid #29356f;padding:8px 14px;border-radius:8px;cursor:pointer}.live-room__controls button[aria-pressed=true]{background:var(--color-primary);color:#fff}.live-room__leave{background:#dc2626!important;color:#fff!important;border-color:#991b1b!important}.live-room__error{margin-top:12px;color:#fca5a5}.live-playback{max-width:1080px;margin:24px auto;padding:24px}.live-playback__layout{display:grid;grid-template-columns:220px 1fr;gap:24px}.live-playback aside ul{list-style:none;margin:0;padding:0}.live-playback aside li+li{margin-top:6px}.live-playback aside button[aria-pressed=true]{background:var(--color-primary);color:#fff}.progress-bar{position:relative;height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:6px 0 4px}.progress-bar--large{height:16px}.progress-bar__fill{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,#10b981,#059669);transition:width .22s ease-out}.progress-bar__label{position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:10px;font-weight:700;color:#0f172a;text-shadow:0 0 2px rgba(255,255,255,.75)}.progress-bar--large .progress-bar__label{font-size:12px}.badge--revision{background:#fef3c7;color:#92400e}.badge--processing{background:#dbeafe;color:#1e3a8a}.teacher-lesson-panel{margin-top:12px;padding:12px;border:1px dashed #cbd5e1;border-radius:8px;background:#f8fafc}.teacher-lesson-panel h3,.teacher-lesson-panel h4{margin:0 0 8px}.page-narrow{max-width:520px;margin:0 auto;padding:0 12px}.session-feedback__q{margin-bottom:1.25rem}.session-feedback__label{display:block;font-weight:600;margin-bottom:.5rem}.session-feedback__likert,.session-feedback__mcq{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.session-feedback__chip{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;border:1px solid #cbd5e1;border-radius:8px;cursor:pointer;font-size:.9rem}.session-feedback__chip input{margin:0}.session-feedback__text{width:100%;min-height:3rem;border-radius:8px;border:1px solid #cbd5e1;padding:8px}.admin-schedule-calendar{position:relative}.admin-schedule-calendar--viewport .fc-wrapper{flex:1;min-height:0}.admin-schedule-calendar__status{position:absolute;top:8px;right:12px;z-index:3;margin:0;padding:4px 8px;border-radius:6px;background:#ffffffeb}.admin-schedule-calendar[data-busy=true] .fc-wrapper{opacity:.72;pointer-events:none}.admin-schedule-calendar--viewport{display:flex;flex-direction:column;gap:0;flex:1;min-height:28rem;max-height:calc(100vh - 10.5rem);overflow:hidden}.admin-table--compact th,.admin-table--compact td{padding:6px 8px;font-size:13px}.admin-teacher-schedule{display:flex;flex-direction:column;gap:0;padding:12px 16px 14px;margin-bottom:12px}.admin-teacher-schedule__action-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--color-border, #e2e8f0);position:sticky;top:0;z-index:2;background:var(--color-surface, #fff)}.admin-teacher-schedule__teacher-pick{display:flex;flex-direction:column;gap:2px;min-width:200px;flex-shrink:0}.admin-teacher-schedule__teacher-pick select{min-width:200px;max-width:280px}.admin-teacher-schedule__action-bar .teacher-avail-hours-header--compact{flex:1 1 240px;min-width:0;margin:0}.admin-teacher-schedule__empty{margin:8px 0 0}.admin-teacher-schedule__coverage{margin-top:10px;padding-top:8px;border-top:1px solid var(--color-border, #e2e8f0)}.admin-teacher-schedule__coverage-lead{margin:8px 0 0}.admin-teacher-schedule__coverage-filters{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:flex-end;margin:10px 0 12px}.admin-teacher-schedule__coverage-filters label{display:flex;flex-direction:column;gap:4px}.admin-teacher-schedule__coverage-filters input[type=month]{display:block}.admin-teacher-schedule__coverage-filters input[type=number]{width:72px}.admin-teacher-schedule__coverage summary{cursor:pointer;font-weight:500}.fc-wrapper--viewport{flex:1;min-height:0;height:100%;display:flex;flex-direction:column}.fc-wrapper--viewport .fc{flex:1;min-height:0}.fc-wrapper--viewport .fc-view-harness{min-height:0!important}.fc-wrapper--viewport .fc-timegrid-slot{height:1.25rem}.fc-wrapper{--fc-border-color: var(--color-border);--fc-page-bg-color: var(--color-surface);--fc-neutral-bg-color: var(--color-bg);--fc-neutral-text-color: var(--color-text-muted);--fc-button-bg-color: var(--color-surface);--fc-button-border-color: var(--color-border-strong);--fc-button-text-color: var(--color-primary);--fc-button-hover-bg-color: var(--color-info-bg);--fc-button-hover-border-color: var(--color-primary);--fc-button-active-bg-color: var(--color-primary);--fc-button-active-border-color: var(--color-primary);--fc-today-bg-color: var(--color-info-bg);--fc-now-indicator-color: var(--color-danger);--fc-event-bg-color: var(--color-primary);--fc-event-border-color: 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