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.18)}:root[data-theme=dark]{color:#f5f6ff;background-color:#01030b;--page-bg: #01030b;--text-primary: #f5f6ff;--bg: radial-gradient(circle at top, #13214b, #05060f 55%);--panel: rgba(6, 10, 25, .85);--panel-border: rgba(255, 255, 255, .08);--panel-shadow: 0 20px 60px rgba(0, 0, 0, .4);--accent: #ffb703;--accent-strong: #f07167;--muted: #8e96b4;--success: #2dd881;--error: #ff5e7e;--grid-cell-bg: rgba(255, 255, 255, .03);--grid-cell-filled-bg: rgba(255, 255, 255, .12);--grid-overlay-bg: rgba(3, 7, 20, .9);--grid-overlay-locked-bg: rgba(5, 7, 16, .85);--grid-overlay-ready-bg: rgba(8, 12, 30, .92);--grid-overlay-ready-border: rgba(255, 255, 255, .25);--grid-overlay-ready-border-hover: rgba(255, 255, 255, .4);--grid-overlay-ready-shadow: 0 10px 25px rgba(0, 0, 0, .45);--button-primary-text: #0b0718;--share-panel-bg: rgba(10, 14, 28, .9);--share-link-border: rgba(255, 255, 255, .4);--share-grid-bg: rgba(0, 0, 0, .25);--share-button-bg: #0b152e;--share-button-border: rgba(255, 255, 255, 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span:first-child{font-size:1.05rem}.quiz-summary{margin-top:1.5rem;padding:1.25rem;border-radius:20px;background:var(--share-panel-bg);border:1px solid var(--share-link-border)}.classroom-speed-key{margin:1.25rem 0 .75rem}.classroom-total-time{align-self:center;display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .9rem;border-radius:999px;border:1px solid var(--panel-border);background:var(--share-panel-bg);font-weight:600;color:var(--text-primary);margin-bottom:1.25rem}.classroom-total-time span:first-child{font-size:1.1rem}.quiz-summary-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;color:var(--muted);font-weight:600}.summary-actions{display:flex;align-items:center;gap:.75rem}.summary-time{display:inline-flex;align-items:center;gap:.3rem;font-weight:600;color:var(--text-primary)}.summary-time span:first-child{font-size:1.05rem}.summary-copy{padding:.6rem 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0;display:inline-flex;justify-content:center;width:100%;align-self:center}.quiz-card h3{margin:0}.quiz-status-pill{border-radius:999px;padding:.35rem .9rem;font-size:.9rem;font-weight:600;text-transform:capitalize}.quiz-card-header{display:flex;justify-content:space-between;align-items:center;gap:1rem}.quiz-card-meta{color:var(--muted);font-size:.9rem}.quiz-card-body{margin-top:.5rem;display:flex;flex-direction:column;align-items:center;gap:.6rem;text-align:center}.quiz-status-pill.locked{background:#61657a26}.quiz-status-pill.open{background:#2dd8812e}.quiz-status-pill.completed{background:#ffb70333}.quiz-action{border:none;background:var(--secondary-button-bg);color:var(--text-primary);border-radius:18px;padding:2.3rem 1.75rem;cursor:pointer;font-weight:600;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;width:90%;align-self:center}.quiz-action.open{background:var(--accent);color:var(--button-primary-text);box-shadow:0 10px 25px #00000026}.quiz-action.open:not(:disabled):hover,.quiz-action.open:not(:disabled):focus-visible{transform:translateY(-2px)}.quiz-action:disabled{opacity:.5;cursor:not-allowed}.emoji-mini-grid{font-size:1.25rem;line-height:1.2;white-space:pre;text-align:center;margin:0 auto}.classroom-empty-state{margin-top:1rem;background:var(--share-panel-bg);border-radius:18px;padding:1rem;border:1px solid var(--share-link-border)}@media(max-width:640px){.classroom-actions{flex-direction:column;align-items:stretch}.generated-link{width:100%}}