:root{--bg-dark:#070709;--bg-obsidian:#0d0d11;--bg-card:#16161ba6;--bg-card-hover:#1e1e25cc;--border-glass:#ffffff12;--accent-purple:#8b5cf6;--accent-fuchsia:#d946ef;--accent-gradient:linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);--accent-glow:#8b5cf626;--success:#10b981;--error:#ef4444;--text-primary:#f8fafc;--text-secondary:#8e9cae;--text-muted:#4e5d6f;--glass-blur:blur(16px);--transition-smooth:all .3s cubic-bezier(.25, .8, .25, 1);--transition-fast:all .15s ease;--mobile-width:480px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;justify-content:center;min-height:100vh;font-family:Inter,sans-serif;line-height:1.5;display:flex;overflow-x:hidden}#root{width:100%;max-width:var(--mobile-width);background-color:var(--bg-obsidian);border-left:1px solid var(--border-glass);border-right:1px solid var(--border-glass);flex-direction:column;min-height:100vh;display:flex;position:relative;box-shadow:0 25px 50px -12px #00000080}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-obsidian)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-family:Outfit,sans-serif;font-weight:700}.app-header{border-bottom:1px solid var(--border-glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);z-index:10;background:#0d0d11d9;justify-content:space-between;align-items:center;padding:24px 20px 16px;display:flex;position:sticky;top:0}.logo-container{align-items:center;gap:8px;display:flex}.logo-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;letter-spacing:-.03em;-webkit-background-clip:text;font-size:1.4rem;font-weight:800}.btn{cursor:pointer;transition:var(--transition-smooth);border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 20px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:var(--text-primary);box-shadow:0 4px 20px #8b5cf64d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #8b5cf673}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-glass)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-secondary)}.btn-outline{border:1px solid var(--accent-purple);color:var(--accent-purple);background:0 0}.btn-outline:hover{background:#8b5cf61a;transform:translateY(-1px)}.btn-danger{color:#fca5a5;background:#ef444426;border:1px solid #ef44444d}.btn-danger:hover{background:#ef444440}.form-group{margin-bottom:20px}.form-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.input-text{background:var(--bg-card);border:1px solid var(--border-glass);width:100%;color:var(--text-primary);transition:var(--transition-fast);border-radius:12px;outline:none;padding:14px 16px;font-size:1rem}.input-text:focus{border-color:var(--accent-purple);background:#1a1a20cc;box-shadow:0 0 0 3px #8b5cf626}.main-content{flex-direction:column;flex:1;gap:24px;padding:24px 20px;display:flex}.card{background:var(--bg-card);border:1px solid var(--border-glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);transition:var(--transition-smooth);border-radius:16px;padding:20px}.card-interactive:hover{background:var(--bg-card-hover);border-color:#ffffff26;transform:translateY(-2px)}.round-banner{background:linear-gradient(135deg,#8b5cf61a 0%,#d946ef0d 100%);border:1px solid #8b5cf633;border-radius:16px;padding:20px;position:relative;overflow:hidden}.round-banner:before{content:"";background:var(--accent-gradient);filter:blur(60px);opacity:.25;pointer-events:none;width:150px;height:150px;position:absolute;top:-50px;right:-50px}.round-week{text-transform:uppercase;letter-spacing:.1em;color:var(--accent-fuchsia);font-size:.8rem;font-weight:700}.round-theme{margin:4px 0 8px;font-size:1.5rem;font-weight:800;line-height:1.25}.round-desc{color:var(--text-secondary);font-size:.9rem}.song-row{transition:var(--transition-smooth);border-radius:12px;align-items:center;gap:16px;padding:12px;display:flex}.song-row-hover:hover{background:#ffffff0a}.album-art-container{border-radius:8px;flex-shrink:0;width:52px;height:52px;position:relative;overflow:hidden;box-shadow:0 4px 12px #0000004d}.album-art{object-fit:cover;width:100%;height:100%}.play-overlay{opacity:0;width:100%;height:100%;transition:var(--transition-fast);cursor:pointer;background:#00000080;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0}.album-art-container:hover .play-overlay{opacity:1}.play-overlay-active{opacity:1;background:#8b5cf666}.song-info{flex:1;min-width:0}.song-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:600;overflow:hidden}.song-artist{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:.85rem;overflow:hidden}.search-container{position:relative}.search-results-dropdown{background:var(--bg-card);border:1px solid var(--border-glass);z-index:100;width:100%;max-height:280px;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-radius:12px;margin-top:8px;position:absolute;top:100%;left:0;overflow-y:auto;box-shadow:0 10px 25px -5px #0009}.search-select-btn{color:var(--accent-purple);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;border-radius:6px;padding:8px 12px;font-size:.85rem;font-weight:600}.search-select-btn:hover{background:#8b5cf61a}.voting-container{flex-direction:column;gap:16px;display:flex}.vote-card{border:1px solid var(--border-glass);background:#ffffff05;border-radius:12px;padding:16px}.vote-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.point-allocator{align-items:center;gap:12px;display:flex}.point-value{color:var(--accent-fuchsia);text-align:center;width:32px;font-family:Outfit,sans-serif;font-size:1.3rem;font-weight:800}input[type=range].points-slider{-webkit-appearance:none;background:0 0;width:100%}input[type=range].points-slider:focus{outline:none}input[type=range].points-slider::-webkit-slider-runnable-track{cursor:pointer;background:var(--text-muted);border-radius:3px;width:100%;height:6px}input[type=range].points-slider::-webkit-slider-thumb{background:var(--text-primary);cursor:pointer;-webkit-appearance:none;width:18px;height:18px;transition:var(--transition-fast);border-radius:50%;margin-top:-6px;box-shadow:0 2px 6px #00000080}input[type=range].points-slider:active::-webkit-slider-thumb{background:var(--accent-purple);transform:scale(1.2)}.floating-player{bottom:calc(env(safe-area-inset-bottom,10px) + 74px);width:calc(100% - 40px);max-width:calc(var(--mobile-width) - 40px);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);z-index:200;background:#121218eb;border:1px solid #ffffff1f;border-radius:16px;align-items:center;gap:12px;padding:12px 16px;animation:.3s cubic-bezier(.25,.8,.25,1) slideUp;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 20px 40px #000c,0 0 30px #8b5cf61a}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,100px)}to{opacity:1;transform:translate(-50%)}}.player-controls{justify-content:center;align-items:center;display:flex}.play-pause-btn{background:var(--accent-gradient);width:38px;height:38px;color:var(--text-primary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;box-shadow:0 4px 10px #8b5cf64d}.player-progress-container{cursor:pointer;background:#ffffff1a;border-radius:2px;flex:1;height:4px;position:relative}.player-progress-bar{background:var(--accent-gradient);border-radius:2px;width:0%;height:100%}.leaderboard-list{flex-direction:column;gap:12px;display:flex}.leaderboard-row{border:1px solid var(--border-glass);transition:var(--transition-fast);background:#ffffff05;border-radius:12px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.leaderboard-row:hover{background:#ffffff0a}.player-badge{align-items:center;gap:12px;display:flex}.player-rank{color:var(--text-muted);width:24px;font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:800}.rank-1{color:#f59e0b}.rank-2{color:#94a3b8}.rank-3{color:#b45309}.player-avatar{background:var(--bg-card-hover);border:1px solid var(--border-glass);border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.1rem;display:flex}.player-name{font-weight:600}.player-score{color:var(--text-primary);font-family:Outfit,sans-serif;font-size:1.2rem;font-weight:800}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s cubic-bezier(.25,.8,.25,1) forwards fadeInUp}.tab-bar{border-top:1px solid var(--border-glass);background:var(--bg-obsidian);padding:10px 0 calc(env(safe-area-inset-bottom,10px) + 6px);z-index:10;display:flex;position:sticky;bottom:0}.tab-btn{color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:4px;font-size:.75rem;font-weight:600;display:flex}.tab-btn-active{color:var(--accent-purple)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.stat-item{border:1px solid var(--border-glass);text-align:center;background:#ffffff04;border-radius:12px;padding:12px}.stat-val{color:var(--text-primary);margin-bottom:2px;font-family:Outfit,sans-serif;font-size:1.3rem;font-weight:800}.stat-lbl{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.sim-controls{background:linear-gradient(135deg,#10b98114 0%,#05966905 100%);border:1px dashed #10b9814d;border-radius:16px;margin-top:auto;padding:16px}.sim-title{color:var(--success);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:6px;margin-bottom:8px;font-size:.85rem;font-weight:700;display:flex}.privacy h2{margin:22px 0 8px;font-size:1rem;font-weight:700}.privacy p,.privacy li{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.privacy p+p{margin-top:10px}.privacy ul{margin-bottom:10px;padding-left:20px}.privacy a{color:var(--accent-purple)}