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720px){.classroom-meta{gap:6px}.classroom-meta .pill{font-size:9px;padding:3px 6px}}.reaction-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden}.reaction-bubble{position:absolute;bottom:16px;font-size:30px;animation:reaction-rise 2.2s cubic-bezier(.2,.7,.3,1) both}@keyframes reaction-rise{0%{transform:translateY(0) scale(.6);opacity:0}10%{opacity:1;transform:translateY(-10px) scale(1)}to{transform:translateY(-260px) scale(1.05) rotate(8deg);opacity:0}}.reactions-row{display:flex;gap:6px;justify-content:center;padding:8px 0}.reaction-btn{width:38px;height:38px;border-radius:50%;background:var(--surface);border:1px solid var(--line);font-size:18px;cursor:pointer;transition:.14s ease}.reaction-btn:hover{transform:translateY(-3px) scale(1.1);background:var(--surface-2)}.poll-overlay,.breakout-overlay{position:absolute;inset:0;background:#0508128c;backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px;z-index:5;animation:backdrop-in .2s ease both}.poll-card,.breakout-card{width:min(440px,100%);background:var(--surface);border:1px solid var(--line-2);border-radius:14px;padding:22px;box-shadow:var(--shadow-paper)}.poll-eyebrow{display:flex;align-items:center;gap:6px;color:var(--accent);margin-bottom:8px;font-size:11px}.poll-q{font-size:16px;font-weight:600;margin:0 0 16px}.poll-options{display:flex;flex-direction:column;gap:8px}.poll-option{position:relative;text-align:right;padding:12px 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;cursor:pointer;font-family:inherit;font-size:14px;color:var(--fg);overflow:hidden}.poll-option:not(.answered):hover{background:var(--surface-3)}.poll-option .poll-pct{position:absolute;inset:0 auto 0 0;background:var(--accent-soft);transition:width .6s cubic-bezier(.16,1,.3,1);z-index:0}.poll-option.correct .poll-pct{background:color-mix(in oklch,var(--sage) 18%,transparent)}.poll-option .poll-label{position:relative;z-index:1}.poll-option .poll-num{position:relative;z-index:1;float:left;font-family:var(--f-mono);font-size:12px;color:var(--fg-mute)}.poll-option.correct{border-color:var(--sage);color:var(--sage)}.breakout-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}@media (max-width: 480px){.breakout-grid{grid-template-columns:1fr}}.breakout-room{text-align:right;padding:12px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;cursor:pointer;font-family:inherit;font-size:13px;color:var(--fg);transition:.14s ease}.breakout-room:hover{background:var(--accent-soft);border-color:color-mix(in oklch,var(--accent) 35%,transparent);color:var(--accent)}.page-shell,main,#root{overflow:visible;transform:none!important}