:root{--bg:#0b0a0f;--surface-2:#17151d;--ink:#ffffff;--ink-soft:rgba(255,255,255,0.6);--line:rgba(255,255,255,0.12);--coral:#ff6b6b;--tangerine:#ffa23a;--sunshine:#ffd23f;--mint:#3ddc97;--sky:#4da8ff;--grape:#9b6bff;--bubblegum:#ff8fb1;--teal:#2dd4bf;--gold:#ffc53d;--wrong:#ff5a5a;--font:"Google Sans","Product Sans","Google Sans Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}body,button,h1,h2,h3,input{font-family:var(--font);font-weight:700;text-transform:uppercase}button,h1,h2,h3,input{margin:0}button{cursor:pointer}:focus-visible{outline:3px solid var(--sky);outline-offset:2px}.conn-dot{position:fixed;top:14px;right:14px;width:12px;height:12px;border-radius:50%;z-index:80;box-shadow:0 0 0 4px rgba(0,0,0,.25)}.conn-dot.ok{background:var(--mint)}.conn-dot.warn{background:var(--tangerine)}.conn-dot.bad{background:var(--wrong)}.name-chip{position:fixed;left:14px;bottom:14px;z-index:80;display:flex;align-items:center;gap:6px;border-radius:999px;padding:6px 6px 6px 12px;color:#fff;max-width:80vw;box-shadow:0 6px 20px rgba(0,0,0,.45);text-shadow:0 1px 2px rgba(0,0,0,.35)}.name-chip .name-btn{background:none;display:flex;align-items:center;gap:8px;cursor:text;max-width:60vw;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.name-chip .name-btn,.name-chip .name-input{border:none;color:#fff;font:inherit;font-size:15px}.name-chip .name-input{background:rgba(0,0,0,.28);border-radius:999px;padding:4px 10px;width:150px;text-shadow:none}.name-chip .name-input:focus{outline:2px solid rgba(255,255,255,.8)}.name-chip 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var(--line)}.btn.warn{background:var(--wrong);color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed}.lobby-dark{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;text-align:center}.lobby-dark-inner{display:flex;flex-direction:column;align-items:center;gap:10px}.wave-emoji{font-size:clamp(56px,12vw,128px);line-height:1;transform-origin:72% 78%}.wave-emoji.shake{animation:wave 1.1s ease-in-out}.count-pill{position:fixed;top:14px;right:14px;z-index:80;min-width:40px;padding:7px 15px;text-align:center;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink);font-size:18px}@keyframes wave{0%,55%,to{transform:rotate(0deg)}10%{transform:rotate(15deg)}20%{transform:rotate(-9deg)}30%{transform:rotate(15deg)}40%{transform:rotate(-5deg)}50%{transform:rotate(11deg)}}.lobby-sub{font-size:14px;color:var(--ink-soft)}.lobby-join{margin-top:22px;text-transform:none;font-size:clamp(26px,5vw,56px);color:var(--mint)}.stage-layout{position:fixed;inset:0;display:flex;background:var(--bg)}.quiz-area{position:relative;flex:1 1;min-width:0;height:100%}.grid{display:grid;width:100%;height:100%;grid-gap:0;gap:0}.side-leaderboard{width:clamp(200px,22vw,320px);height:100%;overflow-y:auto;display:flex;flex-direction:column;flex:none;background:var(--bg)}.lb-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.35)}.lb-row .lb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:clamp(15px,1.4vw,20px)}.lb-row 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12px;font-size:13px;line-height:1.45;color:var(--ink);white-space:pre-wrap}.score-toast{position:fixed;left:50%;top:22%;transform:translateX(-50%);z-index:70;display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px 34px;border-radius:18px;color:#0b0a0f;box-shadow:0 18px 50px rgba(0,0,0,.5);pointer-events:none;animation:toast-pop .4s cubic-bezier(.2,1.5,.4,1) both}.score-toast.win{background:var(--mint)}.score-toast.lose{background:var(--wrong);color:#fff}.score-toast.zero{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}.score-toast-num{font-size:clamp(40px,7vw,72px);line-height:1}.score-toast-sub{font-size:clamp(14px,2vw,20px)}@keyframes toast-pop{0%{transform:translateX(-50%) scale(.6);opacity:0}to{transform:translateX(-50%) scale(1);opacity:1}}.confetti{position:fixed;inset:0;pointer-events:none;z-index:55;overflow:hidden}.confetti span{position:absolute;top:-20px;font-size:22px;animation:fall linear forwards}@keyframes 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