:root{--ground:#e8ecf1;--surface:#f6f7f9;--sunken:#e1e6ed;--sunken-2:#d6dce5;--line:#d6dce5;--line-strong:#b8c1ce;--ink:#1f2a3d;--ink-2:#47526a;--ink-3:#56607a;--focus:#3e64ab;--primary:#3e64ab;--primary-hover:#34568f;--live:#a8395f;--live-hover:#92304f;--ok:#3b8f62;--warn:#8f5a12;--danger:#a3332a;--shadow-1:0 1px 2px #1f2a3d0d, 0 3px 10px #1f2a3d0d;--shadow-2:0 2px 4px #1f2a3d0f, 0 12px 28px #1f2a3d17;--ease:cubic-bezier(.16, 1, .3, 1);--font-ui:"Commissioner", system-ui, sans-serif;--font-display:"M PLUS Rounded 1c", "Commissioner", sans-serif;--radius:16px;--gutter:16px;--lightningcss-light:initial;--lightningcss-dark: 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#e9eef7}.field:-webkit-autofill:focus{-webkit-text-fill-color:var(--ink);caret-color:var(--focus);transition:background-color 9999s;-webkit-box-shadow:inset 0 0 0 100px #e9eef7}.discs{position:relative}.discs-input{opacity:0;cursor:text;border:0;width:100%;height:100%;font-size:16px;position:absolute;inset:0}.disc-row{justify-content:flex-start;gap:8px;display:flex}.disc{aspect-ratio:1;background:var(--surface);min-width:0;box-shadow:inset 0 0 0 2px var(--line-strong);color:var(--ink);font-family:var(--font-display);transition:background-color .2s var(--ease), box-shadow .2s var(--ease);border-radius:50%;flex:0 54px;place-items:center;font-size:26px;font-weight:800;display:grid}.disc.filled{background:var(--c);color:var(--on);animation:pop .28s var(--ease) both;box-shadow:0 2px 4px #1f2a3d1a,0 6px 14px #1f2a3d1a}.disc.masked.filled:after{content:"";aspect-ratio:1;background:var(--on);border-radius:50%;width:26%}.disc.next{box-shadow:inset 0 0 0 2px var(--focus), 0 0 0 4px 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0;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.back:hover{color:var(--ink)}.who-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.who-list button{background:var(--surface);width:100%;min-height:62px;box-shadow:inset 0 0 0 1px var(--line), var(--shadow-1);color:var(--ink);text-align:left;transition:box-shadow .16s var(--ease), transform .16s var(--ease);border:0;border-radius:18px;align-items:center;gap:14px;padding:0 16px;font-size:17px;font-weight:600;display:flex}.who-list button:hover{box-shadow:inset 0 0 0 2px var(--c,var(--ink-3)), var(--shadow-1)}.who-list button:active{transform:scale(.985)}.me-line{align-items:center;gap:12px;margin-bottom:28px;font-size:17px;font-weight:600;display:flex}.ended .entry-body{justify-content:center}.ended-sheet{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line), var(--shadow-2);animation:rise .52s var(--ease) both;border-radius:24px;gap:14px;padding:28px 22px 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p{color:var(--ink-2);font-size:14.5px;line-height:1.35}.ended-bye{font-family:var(--font-display);color:var(--primary);font-size:17px;font-weight:800}.ended-actions{text-align:center;gap:4px;margin-top:20px;display:grid}.ended-screen{max-width:820px}.ended-screen .ended-sheet{gap:20px;padding:40px}.scene{background:var(--ground);grid-template-rows:auto minmax(0,1fr) auto;height:100dvh;min-height:100dvh;display:grid;position:relative;overflow:hidden}.scene[data-mode=question]{grid-template-rows:auto auto minmax(0,1fr)}.scene-top{z-index:3;padding:calc(14px + env(safe-area-inset-top)) var(--gutter) 12px;justify-content:space-between;align-items:center;gap:12px;display:flex}.scene-top>*{order:2}.scene-top>:first-child{order:0}.scene-top>.lesson-dots{order:1}.lesson-dots{align-items:center;gap:5px;display:flex}.lesson-dots i{background:var(--line-strong);width:7px;height:7px;transition:width .36s var(--ease), background-color .36s var(--ease);border-radius:50%}.lesson-dots i.q{border-radius:2px}.lesson-dots i.past{background:var(--ink-3)}.lesson-dots i.now{background:var(--ink);border-radius:4px;width:20px}.scene-media{min-height:0;padding:0 var(--gutter);align-content:center;display:grid;position:relative}.slide{box-shadow:inset 0 0 0 1px var(--line), var(--shadow-2);view-transition-name:stage-slide;background:#fff;border-radius:14px;margin:0;position:relative;overflow:hidden}.slide img{aspect-ratio:16/9;object-fit:contain;background:#fff;width:100%}.slide .zoom-btn{width:36px;height:36px;position:absolute;bottom:8px;right:8px}.slide-empty{aspect-ratio:16/9;background:var(--surface);color:var(--ink-3);border-radius:14px;place-items:center;font-size:14px;display:grid}.scene-caption{z-index:2;min-height:0;padding:18px var(--gutter) calc(20px + env(safe-area-inset-bottom));view-transition-name:caption;flex-direction:column;display:flex;position:relative}.scene[data-mode=question] .scene-caption{overflow-y:auto}.scene[data-mode=question] .slide{width:fit-content;max-width:100%;margin-inline:auto}.scene[data-mode=question] .slide img{width:auto;max-width:100%;max-height:28dvh}.class-line{align-items:center;gap:11px;min-width:0;display:flex}.class-line .avatar{width:40px;height:40px;font-size:14px}.class-line b{align-items:center;gap:8px;font-size:15px;font-weight:700;line-height:1.2;display:flex}.class-line small{color:var(--ink-2);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:13px;display:block;overflow:hidden}.class-line>div{min-width:0}.question{font-family:var(--font-display);letter-spacing:-.01em;max-width:30ch;margin-top:16px;font-size:clamp(21px,6vw,26px);font-weight:800;line-height:1.25}.caption-foot{flex-direction:column;align-items:flex-end;gap:18px;margin-top:auto;padding-top:20px;display:flex}.scene[data-mode=slide] .caption-foot{flex-direction:row;justify-content:space-between;align-items:center;padding-top:14px}.rail{border:0;flex-direction:column;align-items:flex-end;gap:12px;width:100%;margin:0;padding:0;display:flex}.opt{width:100%;min-height:54px;color:var(--ink);text-align:right;-webkit-tap-highlight-color:transparent;background:0 0;border:0;justify-content:flex-end;align-items:center;gap:14px;padding:0;display:flex}.opt .t{max-width:min(300px,72vw);color:var(--ink);font-size:15.5px;font-weight:500;line-height:1.25}.opt .k{background:var(--c);width:54px;height:54px;color:var(--on);font-family:var(--font-display);transition:box-shadow .22s var(--ease), transform .22s var(--ease);border-radius:50%;flex:none;place-items:center;font-size:22px;font-weight:800;display:grid;position:relative;box-shadow:0 2px 4px #1f2a3d1a,0 8px 18px #1f2a3d1f}.opt:hover .k{transform:translateY(-1px)}.opt:active .k{transform:scale(.92)}.opt:focus-visible{outline:none}.opt:focus-visible .k{box-shadow:0 0 0 3px 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.16s,color .16s,box-shadow .16s;display:inline-flex;position:relative}.insert-bar button:hover{background:var(--primary);color:#fff;box-shadow:none}.qcard{border-radius:var(--radius);background:#eef2f8;gap:14px;padding:16px 18px 18px;display:grid;box-shadow:inset 0 0 0 1.5px #c3cfe3}.qcard-head{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.qcard-head b{font-family:var(--font-display);font-size:17px;font-weight:800}.qcard-head .row-actions{margin-left:auto}.segmented{background:var(--sunken-2);border-radius:999px;flex-wrap:wrap;gap:2px;padding:3px;display:inline-flex}.segmented label{color:var(--ink-2);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;transition:background-color .16s,color .16s;position:relative}.segmented label.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}.segmented input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.segmented label:has(input:focus-visible){outline:2px solid var(--focus);outline-offset:1px}textarea.qtext{resize:vertical;min-height:64px;padding:12px 14px;font-size:16px;font-weight:500}.qopts{gap:8px;display:grid}.qopt{grid-template-columns:38px minmax(0,1fr) auto auto;align-items:center;gap:10px;display:grid}.qopt .k{background:var(--c);width:38px;height:38px;color:var(--on);font-family:var(--font-display);border-radius:50%;place-items:center;font-size:16px;font-weight:800;display:grid}.qopt .field{min-height:44px;font-size:15px}.qopt .tf-label{font-weight:600}.qopt .chip-btn{width:34px;height:34px}.correct{color:var(--ink-2);align-items:center;gap:7px;font-size:13.5px;font-weight:600;display:inline-flex}.correct input{appearance:none;border:2px solid var(--line-strong);background:var(--surface);cursor:pointer;border-radius:50%;place-content:center;width:22px;height:22px;margin:0;transition:border-color .16s,background-color .16s;display:inline-grid}.correct input:before{content:"";width:8px;height:8px;transition:transform .16s var(--ease);background:#fff;border-radius:50%;transform:scale(0)}.correct input:checked{border-color:var(--ok);background:var(--ok)}.correct input:checked:before{transform:scale(1)}.correct:has(input:checked){color:var(--ok)}.correct input:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.add-opt{justify-self:start}.savebar{z-index:20;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#f6f7f9f2;position:fixed;bottom:0;left:0;right:0}.savebar-inner{max-width:1080px;padding:12px 24px calc(12px + env(safe-area-inset-bottom));align-items:center;gap:12px;margin:0 auto;display:flex}.save-state{color:var(--ink-2);flex:1;font-size:14px}.issues{color:var(--danger);flex:1;margin:0;padding-left:18px;font-size:14px;font-weight:500}@media (max-width:760px){.editor-fields{grid-template-columns:1fr}.deck-row{grid-template-columns:120px minmax(0,1fr)}.deck-actions{grid-column:1/-1;justify-content:flex-start}.slide-row{grid-template-columns:120px minmax(0,1fr)}.slide-row .row-actions{grid-column:1/-1;justify-content:flex-end}.qopt{grid-template-columns:34px minmax(0,1fr) auto}.qopt .chip-btn{grid-column:3}.dropzone.compact{grid-auto-flow:row}.topbar .topnav{order:-1}}.report-sum{flex-wrap:wrap;gap:32px;margin-bottom:28px;display:flex}.report-sum div{gap:2px;display:grid}.report-sum b{font-family:var(--font-display);font-size:34px;font-weight:800;line-height:1}.report-sum span{color:var(--ink-2);font-size:13px}.lost{grid-template-rows:auto 1fr;min-height:100dvh;display:grid}.lost main{max-width:640px;padding:40px var(--gutter);flex-direction:column;justify-content:center;gap:18px;margin:0 auto;display:flex}.lost .links{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}