:root{--bg:#000;--bg-surface:#0a0a0a;--bg-surface-active:#171717;--text:#fff;--text-muted:#a3a3a3;--text-dim:#737373;--accent-primary:#fff;--accent-secondary:#a3a3a3;--accent-success:#10b981;--border-subtle:#ffffff1a;--border-strong:#fff3;--purple:#fff;--cyan:#fff;--green:#10b981;--yellow:#f59e0b;--red:#ef4444;--option-a:#ef4444;--option-b:#3b82f6;--option-c:#f59e0b;--option-d:#10b981;--font:"Inter", -apple-system, sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100dvh;overflow-x:hidden}#root{flex-direction:column;min-height:100dvh;display:flex}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:.8s ease-out forwards fadeIn}.animate-fade-in-up{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeInUp}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.animate-slide-down{animation:.4s cubic-bezier(.16,1,.3,1) forwards slideDown}@keyframes pulse-fast{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(.95)}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes timerShrink{0%{width:100%}to{width:0%}}.screen{flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:100dvh;padding:24px;display:flex;position:relative;overflow:hidden}@supports (padding:max(0px)){.screen{padding-top:max(24px, env(safe-area-inset-top));padding-bottom:max(24px, env(safe-area-inset-bottom));padding-left:max(24px, env(safe-area-inset-left));padding-right:max(24px, env(safe-area-inset-right))}}.glass-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:24px;width:100%;max-width:400px;padding:32px}.input-label{color:var(--text-muted);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;font-size:12px;font-weight:800;display:block}.input{background:var(--bg-surface-active);color:var(--text);border:1px solid var(--border-strong);width:100%;font-size:18px;font-weight:600;font-family:var(--font);border-radius:12px;outline:none;padding:16px;transition:all .2s}.input:focus{border-color:var(--accent-primary);background:var(--bg)}.btn-primary{background:var(--accent-primary);text-align:center;color:#000;letter-spacing:1px;text-transform:uppercase;cursor:pointer;border:none;border-radius:12px;width:100%;padding:18px;font-size:18px;font-weight:900;transition:all .2s}.btn-primary:hover:not(:disabled){background:#e5e5e5;transform:translateY(-2px)}.btn-primary:active:not(:disabled){transform:translateY(0)scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;background:var(--bg-surface-active);color:var(--text-muted)}.emoji-large{text-align:center;margin-bottom:8px;font-size:64px}.title-large{color:#fff;text-align:center;letter-spacing:-1px;font-size:36px;font-weight:900}.subtitle{color:var(--text-muted);text-align:center;text-transform:uppercase;letter-spacing:2px;margin-bottom:40px;font-size:16px;font-weight:800}.app-root{width:100%;height:100%;transition:opacity .15s}.app-root.fade-out{opacity:0}.join-screen{background:#000;position:relative;overflow:hidden}.join-bg-gradient{pointer-events:none;z-index:0;background:radial-gradient(70% 60% at 50% 45%,#1e203099 0%,#0f0f164d 50%,#0000 100%);position:absolute;inset:0}.join-screen>:not(.join-bg-gradient){z-index:1;position:relative}.join-logo-wrapper{background:#ffffff08;border:1px solid #ffffff0f;border-radius:20px;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:14px;display:flex;overflow:hidden;box-shadow:0 4px 20px #6366f126}.join-logo-img{object-fit:contain;width:64px;height:64px}.join-brand{color:#f8fafc;text-align:center;letter-spacing:.5px;margin-bottom:6px;font-size:32px;font-weight:900}.join-subtitle{color:#9ca3af;text-align:center;letter-spacing:4px;text-transform:uppercase;margin-bottom:32px;font-size:12px;font-weight:400}.join-card{background:#111;border:1px solid #1f2937;border-radius:20px;width:100%;max-width:400px;padding:28px 24px;box-shadow:0 16px 48px #00000080,0 2px 8px #0000004d}.join-field{margin-bottom:20px}.join-label{color:#9ca3af;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px;padding-left:2px;font-size:11px;font-weight:800;display:block}.join-input{color:#f8fafc;width:100%;font-size:16px;font-weight:600;font-family:var(--font);background:#09090b;border:1.5px solid #27272a;border-radius:14px;outline:none;padding:16px 18px;transition:border-color .2s,box-shadow .2s,background-color .2s}.join-input::placeholder{color:#3f3f46}.join-input:focus{background:#0a0a0f;border-color:#6366f1;box-shadow:0 0 0 3px #6366f140}.join-room-input{text-align:center;letter-spacing:8px;text-transform:uppercase;color:#818cf8;padding:18px 16px;font-size:22px;font-weight:800}.join-btn{color:#fff;letter-spacing:2.5px;text-transform:uppercase;width:100%;font-size:15px;font-weight:800;font-family:var(--font);cursor:pointer;background:#6366f1;border:none;border-radius:50px;padding:18px;transition:all .2s;box-shadow:0 8px 24px #6366f159}.join-btn:hover:not(:disabled){background:#5457e5;transform:translateY(-1px);box-shadow:0 12px 32px #6366f173}.join-btn:active:not(:disabled){transform:translateY(0)scale(.98);box-shadow:0 4px 16px #6366f14d}.join-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;background:#4338ca}.join-active-rooms{width:100%;max-width:400px;margin-top:24px}.join-room-row{cursor:pointer;background:#111c;border:1px solid #27272a;border-radius:14px;justify-content:space-between;align-items:center;margin-bottom:12px;padding:16px;transition:all .2s;display:flex}.join-room-row:hover{background:#1a1a1a;border-color:#6366f1}.join-room-code{color:#f8fafc;letter-spacing:2px;font-weight:800}.waiting-dots{justify-content:center;gap:12px;margin:32px 0;display:flex}.waiting-dot{background:var(--text);border-radius:50%;width:16px;height:16px;animation:1s infinite alternate pulse-fast}.waiting-dot:nth-child(2){animation-delay:.2s}.waiting-dot:nth-child(3){animation-delay:.4s}.question-timer-track{background:#ffffff0d;border-radius:6px;width:100%;max-width:600px;height:12px;margin-bottom:24px;overflow:hidden;box-shadow:inset 0 2px 4px #00000080}.question-timer-bar{background:linear-gradient(90deg,#f59e0b,#ef4444);height:100%;transition:width 1s linear,background-color .3s;box-shadow:0 0 10px #f59e0b80}.question-card{text-align:center;background:#18181b;border:1px solid #27272a;border-radius:20px;width:100%;max-width:600px;margin-bottom:24px;padding:32px 24px;box-shadow:0 8px 32px #0006}.question-image{object-fit:contain;border-radius:12px;max-width:100%;max-height:220px;margin-bottom:20px}.question-text{color:#fff;margin:0;font-size:24px;font-weight:800;line-height:1.3}.options-grid{grid-template-columns:1fr;gap:16px;width:100%;max-width:600px;display:grid}@media (width>=600px){.options-grid{grid-template-columns:1fr 1fr}}.option-btn{color:#fff;cursor:pointer;text-align:left;background:#111;border:2px solid #27272a;border-radius:16px;justify-content:flex-start;align-items:center;gap:16px;min-height:80px;padding:16px;font-size:18px;font-weight:700;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:flex}.option-btn:not(.option-dimmed):not(.option-selected):hover{background:#1f1f22;border-color:#3f3f46;transform:translateY(-3px);box-shadow:0 6px 16px #0006}.option-btn:not(.option-dimmed):active{box-shadow:none;transform:scale(.95)}.option-shape{color:#fff;background:#ffffff1a;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:900;transition:all .2s;display:flex}.option-selected{background:#3b82f626;border-color:#3b82f6;transform:scale(1.02);box-shadow:0 0 20px #3b82f633}.option-selected .option-shape{color:#fff;background:#3b82f6}.option-dimmed{opacity:.4;filter:grayscale(50%);transform:scale(.98)}.question-header{justify-content:space-between;align-items:center;width:100%;max-width:600px;margin-bottom:16px;display:flex}.question-timer-text{letter-spacing:-1px;text-shadow:0 2px 10px #00000080;font-size:32px;font-weight:900}.question-number-badge{color:#a3a3a3;letter-spacing:1px;text-transform:uppercase;background:#111;border:1px solid #27272a;border-radius:12px;padding:6px 16px;font-size:14px;font-weight:900}.waiting-badge{color:#10b981;text-transform:uppercase;letter-spacing:1px;text-align:center;background:#10b9811a;border:1px solid #10b9814d;border-radius:16px;margin-top:8px;margin-bottom:24px;padding:16px 24px;font-weight:800}@keyframes urgentPulse{0%,to{opacity:1;color:#ef4444;transform:scale(1)}50%{opacity:.8;color:#f87171;transform:scale(1.1)}}.timer-urgent{animation:.8s infinite urgentPulse}.result-glow-correct{pointer-events:none;z-index:0;background:radial-gradient(circle at 50% 30%,#10b98126 0%,#0000 60%);position:absolute;inset:0}.result-glow-wrong{pointer-events:none;z-index:0;background:radial-gradient(circle at 50% 30%,#ef444426 0%,#0000 60%);position:absolute;inset:0}.result-content{z-index:1;flex-direction:column;align-items:center;width:100%;display:flex;position:relative}.result-icon-circle{border-radius:50%;justify-content:center;align-items:center;width:110px;height:110px;margin-bottom:20px;font-size:56px;display:flex;box-shadow:0 12px 32px #0006}.icon-correct{background:linear-gradient(135deg,#10b981,#059669);border:4px solid #10b9814d}.icon-wrong{background:linear-gradient(135deg,#ef4444,#dc2626);border:4px solid #ef44444d}.icon-timeup{background:linear-gradient(135deg,#f59e0b,#d97706);border:4px solid #f59e0b4d}.title-correct{background:linear-gradient(90deg,#34d399,#10b981);-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:1px;-webkit-background-clip:text;font-size:44px}.title-wrong{background:linear-gradient(90deg,#f87171,#ef4444);-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:1px;-webkit-background-clip:text;font-size:44px}.title-timeup{background:linear-gradient(90deg,#fbbf24,#f59e0b);-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:1px;-webkit-background-clip:text;font-size:44px}.missed-answer-card{text-align:center;background:#10b98114;border:2px solid #10b981;border-radius:16px;width:100%;max-width:400px;margin-bottom:24px;padding:20px;box-shadow:0 8px 24px #10b98126}.missed-answer-label{color:#34d399;text-transform:uppercase;letter-spacing:2px;margin-bottom:8px;font-size:13px;font-weight:900}.missed-answer-text{color:#fff;font-size:20px;font-weight:800}.result-stats-row{gap:16px;width:100%;max-width:400px;margin-bottom:32px;display:flex}.result-stat-card{text-align:center;background:#111;border:1px solid #27272a;border-radius:16px;flex:1;padding:20px 16px;box-shadow:inset 0 2px 10px #00000080}.result-stat-label{color:#737373;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px;font-size:12px;font-weight:800}.result-stat-value{color:#fff;font-size:32px;font-weight:900;line-height:1}.leaderboard-container{background:#0a0a0a;border:1px solid #27272a;border-radius:20px;width:100%;max-width:400px;margin-bottom:24px;padding:0;overflow:hidden}.leaderboard-header{color:#a3a3a3;text-transform:uppercase;letter-spacing:1px;background:#111;border-bottom:1px solid #27272a;padding:16px 20px;font-size:13px;font-weight:800}.leaderboard-list{flex-direction:column;display:flex}.leaderboard-row{border-bottom:1px solid #1f1f22;align-items:center;padding:16px 20px;display:flex}.leaderboard-row:last-child{border-bottom:none}.leaderboard-row.highlight{background:#6366f11a;border-left:4px solid #6366f1}.leaderboard-rank{color:#737373;width:40px;font-size:16px;font-weight:900}.leaderboard-row.highlight .leaderboard-rank{color:#818cf8}.leaderboard-name{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:16px;font-weight:700;overflow:hidden}.leaderboard-score{color:#fff;font-size:16px;font-weight:900}.podium-circle{background:var(--bg-surface-active);border:2px solid var(--border-strong);border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;margin-bottom:16px;font-size:56px;display:flex}.final-score-card{background:var(--bg-surface);border:1px solid var(--border-subtle);text-align:center;border-radius:16px;width:100%;max-width:400px;margin-bottom:32px;padding:24px}.final-rank-val{color:#fff;font-size:48px;font-weight:900}.final-score-val{color:var(--text-muted);margin-top:8px;font-size:24px;font-weight:700}.pwa-install-banner{background:var(--bg-surface-active);border:2px solid var(--yellow);z-index:9999;border-radius:12px;flex-direction:column;gap:12px;padding:16px;animation:.3s ease-out forwards slideUp;display:flex;position:fixed;bottom:16px;left:16px;right:16px;box-shadow:0 10px 25px #00000080}.pwa-install-header{justify-content:space-between;align-items:center;display:flex}.pwa-install-text{flex-direction:column;display:flex}.pwa-install-title{font-size:14px;font-weight:800}.pwa-install-desc{color:var(--text-muted);font-size:12px}.pwa-install-actions{align-items:center;gap:12px;display:flex}.pwa-btn-later{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:12px;font-weight:600}.pwa-btn-install{background:var(--yellow);color:#000;cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-size:12px;font-weight:800}.pwa-install-footer{border-top:1px solid var(--border-subtle);padding-top:8px}.pwa-checkbox-label{color:var(--text-muted);cursor:pointer;align-items:center;gap:8px;font-size:12px;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}