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span{color:var(--color-charcoal);font-size:var(--text-sm)}.skeleton{position:relative;overflow:hidden;border-radius:8px;background:#ffd33d2e}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:ui-shimmer 1.5s infinite}@keyframes ui-shimmer{to{transform:translate(100%)}}@media(prefers-reduced-motion:reduce){.skeleton:after{animation:none}.ui-spinner,.btn__spinner{animation-duration:0s}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:var(--space-4);background:#34383873}.modal{width:min(100%,560px);max-height:calc(100vh - 2 * var(--space-4));display:flex;flex-direction:column;border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-lg);overflow:hidden}.modal--wide{width:min(100%,920px)}.modal__header{flex:0 0 auto;padding:var(--space-5) var(--space-6) 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var(--space-5) var(--space-4)}.app-sidebar__brand .auth-brand__mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--color-learning-purple),var(--color-brain-teal));color:#fff;font-weight:900;font-size:var(--text-sm);box-shadow:0 6px 16px -6px #92278f99}.app-sidebar__brand-name{font-size:var(--text-md);font-weight:800;color:var(--color-deep-plum);letter-spacing:-.01em}.app-sidebar__context{margin:0 var(--space-4) var(--space-4);padding:var(--space-3) var(--space-4);border-radius:14px;background:linear-gradient(135deg,var(--color-learning-purple),var(--color-deep-plum));color:#fff;box-shadow:0 10px 24px -14px #6e2144cc}.app-sidebar__context-name{font-size:var(--text-sm);font-weight:800}.app-sidebar__context-sub{font-size:var(--text-xs);opacity:.85}.app-nav{flex:1;overflow-y:auto;padding:0 var(--space-3) var(--space-4)}.app-nav__group{margin-top:var(--space-5)}.app-nav__group-label{padding:0 var(--space-3) 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var(--live-border)}.live-icon-button{margin-left:auto;display:inline-grid;place-items:center;width:32px;height:32px;border:1px solid var(--live-border);border-radius:8px;background:#fff;color:var(--color-smart-red);cursor:pointer}.live-score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-3)}.live-score-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:2px solid var(--live-border);border-radius:16px;background:linear-gradient(135deg,#fff 60%,#2ebccb0a);box-shadow:0 2px 8px #0f172a12;transition:box-shadow .2s,border-color .2s,transform .2s}.live-score-card--current{border-color:var(--color-brain-teal);background:linear-gradient(135deg,#2ebccb14,#fff 60%);box-shadow:0 0 0 4px #2ebccb2e,0 4px 18px #2ebccb26;transform:translateY(-1px)}.live-score-card strong,.live-score-card small{display:block}.live-score-card 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var(--live-border);border-radius:16px;overflow:hidden;background:#f7fafc;box-shadow:var(--shadow-sm)}.live-board__image{width:100%;height:100%;min-height:560px;object-fit:contain;display:block;background:#fff}.live-board__placeholder{min-height:560px;display:grid;place-items:center;color:var(--color-muted);font-size:var(--text-2xl);font-weight:800}.live-board__tile{position:absolute;transform:translate(-50%,-50%);z-index:2;width:clamp(20px,4.5cqw,36px);height:clamp(20px,4.5cqw,36px);display:grid;place-items:center;border:2px solid #fff;border-radius:50%;background:#e9f7fb;color:var(--color-charcoal);font-size:clamp(8px,1.6cqw,12px);font-weight:900;box-shadow:0 2px 8px #0f172a33}.live-board__tile--question{background:#f3e8ff}.live-board__tile--fact{background:#dcfce7}.live-board__tile--finish{background:#fff3bf}.live-board__token{position:absolute;transform:translate(-50%,-50%);z-index:4;width:clamp(22px,5.5cqw,44px);height:clamp(22px,5.5cqw,44px);display:grid;place-items:center;border:clamp(2px,.5cqw,3px) solid #fff;border-radius:50%;color:#fff;font-size:clamp(9px,2cqw,16px);font-weight:900;box-shadow:0 8px 20px #0f172a59;transition:left .26s ease,top .26s ease,transform .18s ease}.live-board__token:disabled,.projector-board__token:disabled{cursor:default}.live-board__token--selectable,.projector-board__token--selectable{cursor:pointer;box-shadow:0 0 0 4px #ffc1078c,0 0 0 8px #ffc10733,0 12px 32px #0f172a7a;transform:translate(-50%,-50%) scale(1.14);animation:token-pulse 1s ease-in-out infinite}@keyframes token-pulse{0%,to{box-shadow:0 0 0 4px #ffc1078c,0 0 0 8px #ffc10733,0 12px 32px #0f172a7a}50%{box-shadow:0 0 0 6px #ffc107b3,0 0 0 14px 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92px;display:inline-grid;place-items:center;justify-self:end;width:var(--dice-px);height:var(--dice-px);perspective:600px}.dice-flat-wrap--store{--dice-px: 66px;justify-self:center}.dice-flat{width:100%;height:100%;transform-style:preserve-3d;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.dice-flat-wrap--rolling .dice-flat{animation:dice-flat-tumble .7s cubic-bezier(.36,.07,.19,.97) infinite}@keyframes dice-flat-tumble{0%{transform:rotate(0) rotateX(0) rotateY(0) scale(1)}20%{transform:rotate(75deg) rotateX(-26deg) rotateY(18deg) scale(1.12) translateY(-7px)}40%{transform:rotate(160deg) rotateX(22deg) rotateY(-20deg) scale(.9) translateY(3px)}60%{transform:rotate(245deg) rotateX(-30deg) rotateY(16deg) scale(1.1) translateY(-6px)}80%{transform:rotate(310deg) rotateX(18deg) rotateY(-14deg) scale(.95) translateY(2px)}to{transform:rotate(360deg) rotateX(0) rotateY(0) scale(1) translateY(0)}}.dice-face{width:100%;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);padding:14%;box-sizing:border-box;border-radius:22%;background:#fff;box-shadow:inset 0 4px 8px #ffffffb3,inset 0 -6px 12px #0000001f,inset 0 0 0 1.5px #00000014,0 8px 18px #0f172a52,0 2px 4px #0f172a33}.dice-face__cell{display:grid;place-items:center}.dice-face__pip{width:64%;height:64%;border-radius:50%;background:#1a1a2e;box-shadow:inset 0 2px 2px #ffffff40,inset 0 -2px 3px #00000080}.live-projector-stage,.projector-stage{position:relative;display:grid;border-radius:18px}.token-shape--circle{border-radius:50%;clip-path:none}.token-shape--square{border-radius:12px;clip-path:none}.token-shape--diamond{border-radius:8px;clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%)}.token-shape--hex{border-radius:6px;clip-path:polygon(25% 5%,75% 5%,100% 50%,75% 95%,25% 95%,0% 50%)}.token-shape--star{border-radius:6px;clip-path:polygon(50% 0%,61% 34%,98% 35%,68% 56%,79% 91%,50% 70%,21% 91%,32% 56%,2% 35%,39% 34%)}.token-shape--shield{border-radius:8px 8px 16px 16px;clip-path:polygon(50% 0%,92% 16%,84% 72%,50% 100%,16% 72%,8% 16%)}.lobby-step-label{margin:var(--space-2) 0 calc(var(--space-1) * -1);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted)}.lobby-crumb{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.lobby-back{display:inline-flex;align-items:center;gap:var(--space-2);min-height:38px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-deep-plum);font-size:var(--text-sm);font-weight:800;cursor:pointer;transition:border-color .16s ease,background .16s ease}.lobby-back:hover{border-color:var(--color-learning-purple);background:var(--color-purple-soft)}.lobby-crumb__current{font-size:var(--text-md);font-weight:800;color:var(--color-charcoal);letter-spacing:-.01em}.board-lobby-grid{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.board-lobby-grid--classes{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.board-lobby-grid--subjects{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.lobby-tile{display:grid;gap:var(--space-1);align-content:center;justify-items:start;min-height:84px;padding:var(--space-4);border:2px solid var(--color-border);border-radius:16px;background:linear-gradient(135deg,#fff 60%,#2ebccb0a);color:var(--color-charcoal);font:inherit;text-align:left;cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.lobby-tile:hover{border-color:var(--color-brain-teal);transform:translateY(-2px);box-shadow:0 8px 22px -12px 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var(--color-border)}.notif__readall{border:none;background:none;color:var(--color-learning-purple);font-size:var(--text-xs);font-weight:800;cursor:pointer}.notif__list{overflow-y:auto}.notif__empty{padding:var(--space-5);margin:0;text-align:center;color:var(--color-muted);font-size:var(--text-sm)}.notif__item{display:grid;gap:2px;width:100%;text-align:left;padding:var(--space-3) var(--space-4);border:none;border-bottom:1px solid var(--color-border);background:none;cursor:pointer}.notif__item:hover{background:var(--color-page-soft)}.notif__item--unread{background:var(--color-teal-soft)}.notif__title{font-size:var(--text-sm);font-weight:800;color:var(--color-charcoal)}.notif__body{font-size:var(--text-xs);color:var(--color-muted)}.notif__time{font-size:10px;color:var(--color-muted)}.my-tt-table th,.my-tt-table td{text-align:center;vertical-align:middle}.my-tt-table td:first-child,.my-tt-table th:first-child{text-align:left}.my-tt-cell{display:grid;gap:1px}.my-tt-cell strong{font-size:var(--text-xs);font-weight:800}.my-tt-cell span{font-size:10px;color:var(--color-muted)}@media(max-width:767px){.dash__inner{padding:var(--space-5) var(--space-4)}.dash__title{font-size:var(--text-xl)}}.dash-quick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--space-3)}.dash-quick{display:grid;justify-items:start;gap:var(--space-1);padding:var(--space-4);border:1px solid var(--color-border);border-radius:16px;background:linear-gradient(150deg,var(--color-surface) 60%,rgba(46,188,203,.05));color:var(--color-charcoal);text-align:left;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.dash-quick:hover{transform:translateY(-2px);border-color:var(--color-brain-teal);box-shadow:0 10px 26px -14px #0f172a66}.dash-quick__icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;margin-bottom:var(--space-1);background:linear-gradient(135deg,var(--color-learning-purple),var(--color-brain-teal));color:#fff}.dash-quick__title{font-size:var(--text-md);font-weight:800;letter-spacing:-.01em}.dash-quick__hint{font-size:var(--text-xs);color:var(--color-muted);font-weight:600}.app-nav__sub{display:grid;gap:2px;margin:2px 0 6px var(--space-6);padding-left:var(--space-2);border-left:2px solid var(--color-border)}.app-nav__sub .app-nav__link{min-height:34px;font-size:var(--text-xs);font-weight:700;padding-left:var(--space-3)}.app-sidebar__collapse{margin-left:auto;width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);color:var(--color-muted);font-size:var(--text-md);line-height:1;cursor:pointer}.app-sidebar__collapse:hover{color:var(--color-charcoal);border-color:var(--color-learning-purple)}.app-sidebar,.app-nav{overflow-x:hidden}.app-nav__link{white-space:nowrap;overflow:hidden}.app-nav__text{overflow:hidden;text-overflow:ellipsis}.app-nav__caret{margin-left:auto;flex:0 0 auto;font-size:var(--text-lg);line-height:1;color:var(--color-muted);transition:transform .16s ease}.app-nav__caret--open{transform:rotate(90deg)}.app-shell--collapsed{--sidebar-width: 72px}.app-shell--collapsed .app-sidebar__brand-name,.app-shell--collapsed .app-sidebar__context,.app-shell--collapsed .app-nav__group-label,.app-shell--collapsed .app-nav__text,.app-shell--collapsed .app-nav__caret,.app-shell--collapsed .app-nav__sub,.app-shell--collapsed .app-sidebar__foot>div{display:none}.app-shell--collapsed .app-nav__link{justify-content:center;padding:0;gap:0}.app-shell--collapsed .app-sidebar__brand{justify-content:center;gap:0;padding:var(--space-4) 0}.app-shell--collapsed .app-sidebar__collapse{margin:0}.app-shell--collapsed .app-sidebar__foot{justify-content:center}@media(max-width:1023px){.app-shell--collapsed{--sidebar-width: 264px}}.toast-region{position:fixed;z-index:90;right:max(var(--space-4),env(safe-area-inset-right));bottom:max(var(--space-4),env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:var(--space-2);width:min(360px,calc(100vw - 2 * var(--space-4)));pointer-events:none}.toast{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-left-width:4px;border-radius:12px;background:var(--color-surface);color:var(--color-charcoal);box-shadow:var(--shadow-lg);font-size:var(--text-sm);font-weight:700;pointer-events:auto;animation:toast-in .2s ease}.toast--success{border-left-color:var(--color-growth-lime)}.toast--error{border-left-color:var(--color-smart-red)}.toast--warning{border-left-color:var(--color-spark-yellow)}.toast--info{border-left-color:var(--color-brain-teal)}.toast__msg{flex:1 1 auto}.toast__close{flex:0 0 auto;border:0;background:transparent;color:var(--color-muted);font-size:var(--text-lg);line-height:1;cursor:pointer;padding:0}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.toast{animation:none}}.error-boundary{min-height:60vh;display:grid;place-items:center;padding:var(--space-6)}.error-boundary__card{width:min(100%,460px);display:grid;gap:var(--space-3);padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-lg);text-align:center}.error-boundary__card h1{margin:0;font-size:var(--text-xl)}.error-boundary__actions{display:flex;justify-content:center;gap:var(--space-3);margin-top:var(--space-2)}.app-sidebar{padding-left:env(safe-area-inset-left)}.app-topbar{padding-right:max(var(--space-4),env(safe-area-inset-right))}