@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--bg: #0f172a;--bg2: #1e293b;--bg3: #293548;--bg4: #334155;--purple: #ff0040;--purple-light: #ff3377;--purple-dark: #b30030;--purple-dim: #ff004022;--cyan: #06b6d4;--cyan-light: #67e8f9;--amber: #f59e0b;--amber-light: #fcd34d;--text: #f8fafc;--text-dim: #94a3b8;--text-muted: #64748b;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #334155;--radius: 12px;--radius-sm: 8px;--radius-lg: 20px;--radius-xl: 32px;--font: "Inter", system-ui, sans-serif;--shadow: 0 4px 24px rgba(0,0,0,.45);--shadow-lg: 0 12px 48px rgba(0,0,0,.55);--trans: .18s cubic-bezier(.4,0,.2,1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;-webkit-font-smoothing:antialiased}h1{font-size:2.2rem;font-weight:900;letter-spacing:-.02em}h2{font-size:1.5rem;font-weight:800}h3{font-size:1.15rem;font-weight:700}h4{font-size:.95rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}.text-purple{color:var(--purple-light)}.text-cyan{color:var(--cyan-light)}.text-amber{color:var(--amber-light)}.text-dim{color:var(--text-dim)}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-center{text-align:center}.logo{font-weight:900;font-size:1.6rem;letter-spacing:-.01em;background:background: linear-gradient(135deg,var(--purple),var(--purple-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-transform:uppercase}.logo-xl{font-size:4rem;letter-spacing:-.03em}.container{max-width:1100px;margin:0 auto;padding:1.5rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.gap-4{gap:2rem}.w-full{width:100%}.h-full{height:100%}.grow{flex-grow:1}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.card-lg{padding:1.75rem}.card-hover{cursor:pointer;transition:transform var(--trans),border-color var(--trans),background var(--trans)}.card-hover:hover{transform:translateY(-3px);border-color:var(--purple);background:var(--bg3)}.card-purple{border-color:var(--purple-dark);background:linear-gradient(135deg,#1e1040 0%,var(--bg2) 100%)}.card-cyan{border-color:#164e63;background:linear-gradient(135deg,#0c2a35 0%,var(--bg2) 100%)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.5rem;border:1px solid transparent;border-radius:var(--radius-sm);font-family:var(--font);font-size:.95rem;font-weight:700;letter-spacing:.01em;cursor:pointer;transition:all var(--trans);white-space:nowrap;background:var(--bg3);color:var(--text);outline:none}.btn:hover:not(:disabled){filter:brightness(1.15);transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0);filter:brightness(.9)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-purple{background:var(--purple);color:#fff}.btn-cyan{background:var(--cyan);color:#000}.btn-amber{background:var(--amber);color:#000}.btn-success{background:var(--success);color:#000}.btn-danger{background:var(--danger);color:#fff}.btn-outline-purple{background:transparent;color:var(--purple-light);border-color:var(--purple)}.btn-outline-cyan{background:transparent;color:var(--cyan-light);border-color:var(--cyan)}.btn-ghost{background:transparent;color:var(--text-dim);border-color:var(--border)}.btn-ghost:hover:not(:disabled){color:var(--text);border-color:var(--text-dim)}.btn-sm{padding:.4rem 1rem;font-size:.83rem}.btn-lg{padding:.9rem 2rem;font-size:1.1rem;border-radius:var(--radius)}.btn-xl{padding:1.15rem 2.8rem;font-size:1.25rem;border-radius:var(--radius-lg)}input,select,textarea{background:var(--bg3);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.6rem 1rem;font-size:.95rem;font-family:var(--font);outline:none;transition:border-color var(--trans),box-shadow var(--trans);width:100%}input:focus,select:focus,textarea:focus{border-color:var(--purple-light);box-shadow:0 0 0 3px #ff004033}input::placeholder{color:var(--text-muted)}label{font-size:.85rem;font-weight:500;color:var(--text-dim);margin-bottom:.35rem;display:block}.topbar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;gap:1rem}.topbar-left,.topbar-right{display:flex;align-items:center;gap:.75rem}.tabs{display:flex;gap:0;border-bottom:1px solid var(--border)}.tab{padding:.65rem 1.4rem;cursor:pointer;color:var(--text-dim);font-weight:600;font-size:.9rem;border-bottom:2px solid transparent;transition:color var(--trans),border-color var(--trans)}.tab:hover:not(.active){color:var(--text)}.tab.active{color:var(--purple-light);border-bottom-color:var(--purple)}.divider{height:1px;background:var(--border);margin:1.25rem 0;border:none}.divider-gradient{height:1px;border:none;margin:1.25rem 0;background:linear-gradient(90deg,transparent,var(--purple),var(--cyan),transparent)}.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:20px;font-size:.78rem;font-weight:600;background:var(--bg3);border:1px solid var(--border);color:var(--text-dim)}.badge-purple{border-color:var(--purple-dark);color:var(--purple-light);background:#2d1f5e}.badge-cyan{border-color:#164e63;color:var(--cyan-light);background:#0c2a35}.badge-success{border-color:#14532d;color:var(--success);background:#052e16}.badge-danger{border-color:#7f1d1d;color:var(--danger);background:#2d0f0f}.conn-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;color:var(--text-dim)}.conn-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.conn-dot.on{background:var(--success);box-shadow:0 0 6px var(--success)}.conn-dot.off{background:var(--danger)}.track-chip{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--bg3);transition:all var(--trans);user-select:none}.track-chip.active{background:#2d1f5e;border-color:var(--purple);color:var(--purple-light)}.track-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.track-chip.active .dot{background:var(--purple-light)}.song-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:.85rem 1.1rem;cursor:pointer;transition:all var(--trans);display:flex;align-items:center;gap:1rem}.song-card:hover{border-color:var(--purple-dark);background:var(--bg3)}.song-card.active{border-color:var(--purple);background:#2d1f5e}.song-card .title{font-weight:700;font-size:.95rem}.song-card .artist{font-size:.8rem;color:var(--text-dim);margin-top:.15rem}.score-row{display:flex;align-items:center;gap:.75rem;padding:.55rem .75rem;border-radius:var(--radius-sm);background:var(--bg3);border:1px solid var(--border)}.score-row .rank{font-weight:900;color:var(--text-muted);width:1.5rem;text-align:center}.score-row .name{flex:1;font-weight:600;font-size:1.3rem;text-shadow:0 1px 4px rgba(0,0,0,.9),0 0 8px rgba(0,0,0,.7)}.score-row .pts{font-weight:900;color:var(--purple-light);font-size:1.3rem;text-shadow:0 1px 4px rgba(0,0,0,.9),0 0 8px rgba(0,0,0,.7)}.score-row.top1{border-color:var(--amber);background:#2d1a00}.score-row.top1 .rank{color:var(--amber-light)}.timer-bar-wrap{height:8px;background:var(--bg3);border-radius:4px;overflow:hidden}.timer-bar{height:100%;background:linear-gradient(90deg,var(--success) 0%,var(--warning) 60%,var(--danger) 100%);transition:width .1s linear}#buzz-btn{width:min(72vw,280px);height:min(72vw,280px);border-radius:50%;background:radial-gradient(circle at 38% 38%,#ff0040,#c03);border:4px solid var(--purple-light);box-shadow:0 0 40px #ff004080,0 0 80px #ff004033;cursor:pointer;transition:all .12s;outline:none;font-size:1.8rem;font-weight:900;color:#fff;letter-spacing:.04em;-webkit-tap-highlight-color:transparent}#buzz-btn:active,#buzz-btn.pressed{transform:scale(.91);box-shadow:0 0 20px #ff004066}#buzz-btn:disabled{background:radial-gradient(circle at 38% 38%,#3b3b4f,#1a1a2e);border-color:var(--border);box-shadow:none;cursor:not-allowed;color:var(--text-muted)}.buzz-overlay{position:fixed;inset:0;z-index:500;display:none;flex-direction:column;align-items:center;justify-content:center;background:#000000d9;backdrop-filter:blur(4px);animation:fadeIn .2s}.buzz-overlay.show{display:flex}.buzz-name{font-size:clamp(2.5rem,8vw,5.5rem);font-weight:900;color:#fff;text-align:center;line-height:1}.buzz-label{font-size:1.1rem;color:var(--purple-light);margin-top:.5rem;letter-spacing:.1em;text-transform:uppercase}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:.75rem}.qr-canvas{border-radius:var(--radius-sm);background:#fff;padding:10px}.qr-url{font-size:.75rem;color:var(--text-muted);word-break:break-all;text-align:center}.room-code{font-size:clamp(3rem,10vw,6rem);font-weight:900;letter-spacing:.15em;text-transform:uppercase;background:linear-gradient(135deg,var(--purple-light),var(--cyan-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}.animate-fade{animation:fadeIn .3s}.animate-slide{animation:slideUp .35s}.animate-pulse{animation:pulse 1.8s infinite}.animate-scale{animation:scaleIn .3s}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--purple-dark)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pointer{cursor:pointer}.rounded-full{border-radius:9999px}.auth-overlay{position:fixed;inset:0;background:var(--bg);z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem}.auth-box{width:100%;max-width:400px}.error-msg{color:var(--danger);font-size:.85rem;margin-top:.5rem;display:none}.error-msg.show{display:block}@media(max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr}.container{padding:1rem}h1{font-size:1.7rem}.hide-mobile{display:none!important}}