:root{--bg:#0f0f14;--bg-elevated:#1a1a24;--bg-elevated-2:#23232f;--border:#33333f;--text:#f5f5f7;--text-dim:#b8b8c6;--accent:#f5a623;--accent-dark:#c97f0e;--accent-text:#1a1204;--green:#34d17f;--green-text:#06210f;--red:#ff6b6b;--red-text:#2b0707;--amber:#f5a623;--focus-ring:#7dd3fc;--radius-sm:10px;--radius:16px;--radius-lg:22px;--shadow:0 8px 24px #00000059;--min-tap:64px}*{box-sizing:border-box}html{font-size:18px}body{background:var(--bg);min-height:100vh;color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.4}#root{min-height:100vh}h1,h2,h3,p{margin:0}button{color:inherit;font-family:inherit}a{color:var(--accent)}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.screen{flex-direction:column;align-items:center;gap:1.25rem;width:100%;min-height:100vh;padding:1.5rem 1.25rem 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round-intro-in{0%{opacity:0;transform:scale(.92)translateY(12px)}to{opacity:1;transform:none}}.round-intro__title{color:var(--accent);font-size:2rem;font-weight:800}.round-intro__body{color:var(--text-dim);max-width:28rem;font-size:1.25rem}.timer{align-items:center;gap:.75rem;width:100%;display:flex}.timer-bar{background:var(--bg-elevated-2);border-radius:999px;flex:1;height:1.1rem;overflow:hidden}.timer-bar__fill{border-radius:999px;height:100%;transition:width .1s linear,background-color .3s}.timer-bar__fill--pulse{animation:.8s ease-in-out infinite timer-pulse}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.6}}.timer__count{text-align:right;font-variant-numeric:tabular-nums;min-width:2.5ch;font-size:1.4rem;font-weight:800}@media (prefers-reduced-motion:reduce){.timer-bar__fill--pulse,.round-intro{animation:none}}.category-chip{background:var(--bg-elevated-2);color:var(--accent);letter-spacing:.02em;border-radius:999px;padding:.35rem .9rem;font-size:.95rem;font-weight:700;display:inline-block}.question-progress{color:var(--text-dim);font-size:1rem}.question-text{text-align:center;font-size:1.6rem;font-weight:800;line-height:1.3}.answer-grid{grid-template-columns:1fr 1fr;gap:.75rem;width:100%;display:grid}.answer-grid--tf{grid-template-columns:1fr}.answer-card{min-height:var(--min-tap);border-radius:var(--radius);border:2px solid var(--border);background:var(--bg-elevated);color:var(--text);cursor:pointer;text-align:center;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:1.15rem;font-weight:700;display:flex}.answer-card:disabled{cursor:default}.answer-card--selected{border-color:var(--accent);background:var(--bg-elevated-2);box-shadow:0 0 0 3px 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var(--accent)}.scoreboard-row__rank{min-width:3.2rem;color:var(--accent);font-weight:800}.scoreboard-row__name{flex:1;font-weight:600}.scoreboard-row__score{font-variant-numeric:tabular-nums;font-weight:800}.confetti{pointer-events:none;z-index:40;position:fixed;top:0;bottom:0;left:0;right:0;overflow:hidden}.confetti__piece{width:.6rem;height:1rem;animation:linear infinite confetti-fall;position:absolute;top:-10%}@keyframes confetti-fall{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:.9;transform:translateY(110vh)rotate(360deg)}}@media (prefers-reduced-motion:reduce){.confetti{display:none}}.overlay{text-align:center;z-index:50;background:#0f0f14eb;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:2rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.overlay__title{font-size:1.8rem;font-weight:800}.banner{background:var(--red);color:var(--red-text);text-align:center;z-index:60;padding:.6rem 1rem;font-size:1rem;font-weight:700;position:fixed;top:0;left:0;right:0}.room-code{letter-spacing:.25em;background:var(--bg-elevated);border-radius:var(--radius);padding:.75rem 1.5rem;font-size:3.4rem;font-weight:800}.qr-wrap{border-radius:var(--radius);background:#fff;padding:.75rem;line-height:0}.host-answer-count{color:var(--text-dim);font-size:1.2rem}.options-panel{flex-direction:column;gap:1.25rem;width:100%;display:flex}.option-group{flex-direction:column;gap:.5rem;display:flex}.option-group__label{font-weight:700}.option-group__hint{color:var(--text-dim);font-size:.9rem}.chip-row{flex-wrap:wrap;gap:.5rem;display:flex}.chip-btn{border:2px solid var(--border);background:var(--bg-elevated);min-height:48px;color:var(--text);cursor:pointer;border-radius:999px;padding:.5rem 1rem;font-size:1rem;font-weight:600}.chip-btn[aria-pressed=true]{border-color:var(--accent);background:var(--bg-elevated-2);color:var(--accent)}.toggle-row{background:var(--bg-elevated);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.toggle-row__text{flex-direction:column;gap:.15rem;display:flex}.toggle-row__hint{color:var(--text-dim);font-size:.85rem}.switch{background:var(--bg-elevated-2);border:2px solid var(--border);cursor:pointer;border-radius:999px;flex-shrink:0;width:3.4rem;height:2rem;position:relative}.switch[aria-pressed=true]{background:var(--accent-dark);border-color:var(--accent)}.switch__knob{background:var(--text);border-radius:50%;width:1.4rem;height:1.4rem;transition:transform .15s;position:absolute;top:2px;left:2px}.switch[aria-pressed=true] .switch__knob{transform:translate(1.4rem)}.drawer{background:var(--bg-elevated);border-top:2px solid var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;z-index:55;box-shadow:var(--shadow);flex-direction:column;gap:.75rem;padding:1.25rem;display:flex;position:fixed;bottom:0;left:0;right:0}.drawer__grid{grid-template-columns:1fr 1fr;gap:.6rem;display:grid}.dialog-backdrop{z-index:70;background:#0009;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.dialog{background:var(--bg-elevated);border-radius:var(--radius);flex-direction:column;gap:1rem;width:100%;max-width:26rem;padding:1.5rem;display:flex}.dialog__actions{gap:.75rem;display:flex}