:root{--bg:#f6f7f9;--surface:#fff;--ink:#0f172a;--muted:#64748b;--border:#e2e8f0;--accent:#4f46e5;--accent-hover:#4338ca;--red:#dc2626;--blue:#2563eb;--yellow:#ca8a04;--green:#16a34a;--radius:12px;--shadow-sm:0 1px 2px rgba(15,23,42,.05);--shadow:0 1px 3px rgba(15,23,42,.06),0 10px 30px rgba(15,23,42,.07)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.page,body{min-height:100vh}.page{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;text-align:center}.container{width:100%;max-width:860px}.center-stack{display:flex;flex-direction:column;align-items:center;gap:16px}.logo{font-size:clamp(2.2rem,7vw,3.5rem);font-weight:800;letter-spacing:-.02em;line-height:1.05;margin:0;color:var(--ink)}.tagline{font-size:1.05rem;color:var(--muted);margin:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;text-align:center;width:100%}.card h2{margin:0 0 4px;font-size:1.35rem;font-weight:700}.card .sub{color:var(--muted);margin:0 0 20px;font-size:.92rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;font-family:inherit;font-weight:600;font-size:1rem;padding:12px 24px;cursor:pointer;transition:background .12s ease,border-color .12s ease,transform .05s ease;color:#fff;text-decoration:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--border)}.btn-secondary:hover{background:#f1f5f9}.btn-green{background:var(--green)}.btn-green:hover{background:#15803d}.btn-danger{background:var(--red)}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}.btn-ghost:hover{background:#f1f5f9}.btn-block{width:100%}.btn-lg{font-size:1.05rem;padding:14px 32px}.field{display:flex;flex-direction:column;gap:6px;text-align:left;margin-bottom:16px}.field label{font-weight:600;font-size:.85rem;color:var(--muted)}.field input,.field select{font-family:inherit;font-size:1rem;padding:11px 12px;border:1px solid var(--border);border-radius:10px;outline:none;width:100%;color:var(--ink);background:var(--surface);transition:border-color .12s ease,box-shadow .12s ease}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.12)}.field input.big-pin{font-size:1.75rem;font-weight:700;letter-spacing:.35em;text-align:center;text-transform:uppercase}.pin-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);width:100%}.pin-box .pin-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);margin:0 0 8px}.pin-box .pin-code{font-size:clamp(3rem,11vw,4.5rem);font-weight:800;letter-spacing:.18em;margin:0;color:var(--ink)}.pin-box .join-url{margin:10px 0 0;font-size:.9rem;color:var(--muted);word-break:break-all}.question-meta{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.chip{background:#f1f5f9;color:var(--muted);border:1px solid var(--border);padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:600}.question-text{font-size:clamp(1.5rem,4.5vw,2.25rem);font-weight:700;line-height:1.25;margin:12px 0 22px;color:var(--ink)}.timer-wrap{width:100%;height:8px;background:var(--border);border-radius:999px;overflow:hidden;margin-bottom:8px}.timer-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .2s linear}.timer-row{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.9rem;color:var(--muted);margin-bottom:16px}.timer-seconds{font-size:1.3rem;color:var(--ink)}.answer-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;width:100%}.answer-option{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:12px;color:#fff;font-weight:600;font-size:clamp(1rem,2.8vw,1.2rem);min-height:72px;text-align:left}.answer-option .glyph{font-size:1.6rem;flex-shrink:0}.answer-option.correct{outline:2px solid var(--ink);outline-offset:2px;animation:pop .4s ease}.answer-option.dim{opacity:.4}.a0{background:var(--red)}.a1{background:var(--blue)}.a2{background:var(--yellow)}.a3{background:var(--green)}.answer-buttons{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;width:100%;max-width:400px}.answer-btn{aspect-ratio:1/1;border:none;border-radius:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .05s ease,opacity .12s ease;color:#fff}.answer-btn:hover:not(:disabled){transform:translateY(-2px)}.answer-btn:active:not(:disabled){transform:translateY(0)}.answer-btn:disabled{cursor:default;opacity:.4}.answer-btn.answer-0{background:var(--red)}.answer-btn.answer-1{background:var(--blue)}.answer-btn.answer-2{background:var(--yellow)}.answer-btn.answer-3{background:var(--green)}.shape{display:inline-block}.shape-triangle{width:0;height:0;background:transparent;border-left:30px solid transparent;border-right:30px solid transparent;border-bottom:52px solid hsla(0,0%,100%,.95)}.shape-diamond{width:36px;height:36px;transform:rotate(45deg);border-radius:6px}.shape-circle,.shape-diamond{background:hsla(0,0%,100%,.95)}.shape-circle{width:46px;height:46px;border-radius:50%}.shape-square{width:40px;height:40px;background:hsla(0,0%,100%,.95);border-radius:8px}.leaderboard{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;width:100%}.lb-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 14px}.lb-row.me{border-color:var(--accent)}.lb-rank{font-weight:700;font-size:1.1rem;width:36px;text-align:center;color:var(--muted)}.lb-name{flex:1 1;text-align:left;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-points{font-weight:700;color:var(--green)}.lb-points.zero{color:var(--muted)}.podium{display:flex;align-items:flex-end;justify-content:center;gap:12px;width:100%;margin:8px 0 16px}.podium .place{flex:1 1;max-width:180px;display:flex;flex-direction:column;align-items:center;gap:6px}.podium .medal{font-size:2.2rem;line-height:1}.podium .place-name{font-weight:700;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.podium .place-score{font-weight:600;color:var(--muted)}.podium .pillar{width:100%;border-radius:8px 8px 0 0;background:var(--border)}.podium .place.first .pillar{height:140px;background:var(--accent)}.podium .place.second .pillar{height:104px;background:#cbd5e1}.podium .place.third .pillar{height:80px;background:#e2e8f0}.waiting{display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--ink)}.player-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:4px 0}.player-tag{background:#f1f5f9;border:1px solid var(--border);color:var(--ink);border-radius:999px;padding:6px 14px;font-weight:600;font-size:.9rem}.count-badge{background:var(--accent);color:#fff;border-radius:999px;padding:2px 10px;font-weight:700;font-size:.85rem}.hint,.muted-light{color:var(--muted)}.error-banner,.hint{font-size:.9rem}.error-banner{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:10px;padding:12px 14px;margin:10px 0;font-weight:600}.settings-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:6px 0 16px}.settings-row .field{flex:1 1;min-width:140px;text-align:left}.fun-fact{background:#f8fafc;border-left:3px solid var(--accent);border-radius:8px;padding:10px 14px;margin:12px 0;text-align:left;font-weight:500;color:var(--muted)}.reveal-line{font-size:1.05rem;font-weight:600;margin:8px 0 16px;color:var(--ink)}@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:560px){.answer-grid{grid-template-columns:1fr}.answer-buttons{gap:12px}.card{padding:20px}}