:root{--bg-dark: #0f0c1b;--card-bg: rgba(255, 255, 255, .06);--border-color: rgba(255, 255, 255, .12);--primary-color: #ff007f;--secondary-color: #7000ff;--cyan-color: #00f0ff;--text-light: #f5f5fa;--text-muted: #a0a0c0}body{margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at top,#1e1233,#0f0c1b);color:var(--text-light);min-height:100vh;overflow-x:hidden}.app-container{max-width:1250px;margin:0 auto;padding:20px;box-sizing:border-box}.header{display:flex;justify-content:space-between;align-items:center;padding:15px 25px;background:#ffffff0a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;border:1px solid var(--border-color);margin-bottom:25px}.logo-area{display:flex;align-items:center;gap:12px}.logo-icon{color:var(--primary-color);width:32px;height:32px}.pulse{animation:pulse-glow 2s infinite alternate}@keyframes pulse-glow{0%{transform:scale(1);filter:drop-shadow(0 0 2px var(--primary-color))}to{transform:scale(1.1);filter:drop-shadow(0 0 12px var(--primary-color))}}.logo-area h1{font-size:1.5rem;font-weight:800;background:linear-gradient(45deg,var(--primary-color),var(--cyan-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0}.badge{font-size:.75rem;background:var(--secondary-color);padding:2px 8px;border-radius:20px;color:#fff}.score-board{display:flex;align-items:center;gap:8px;background:#0000004d;padding:8px 16px;border-radius:30px;border:1px solid rgba(0,240,255,.3)}.icon-gold{color:gold}.combo-tag{color:#f50;font-weight:700;font-size:.9rem;animation:bounce .5s infinite alternate}.main-content{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media (max-width: 950px){.main-content{grid-template-columns:1fr}}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;padding:24px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 8px 32px #0003}.section-title{display:flex;align-items:center;gap:10px;font-size:1.25rem;margin-top:0;margin-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:12px}.icon-purple{color:#b026ff}.icon-cyan{color:var(--cyan-color)}.input-group{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.input-header{display:flex;justify-content:space-between;align-items:center}.input-header label{font-size:.9rem;color:var(--text-muted)}.btn-random{display:flex;align-items:center;gap:4px;background:#00f0ff1a;border:1px solid rgba(0,240,255,.3);color:var(--cyan-color);padding:3px 10px;border-radius:20px;font-size:.75rem;cursor:pointer;transition:all .2s}.btn-random:hover{background:#00f0ff40;transform:scale(1.05)}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:14px;color:var(--cyan-color);opacity:.8}.theme-input{width:100%;background:#0006;border:1px solid var(--border-color);border-radius:12px;padding:12px 16px;color:#fff;font-size:1rem;outline:none;box-sizing:border-box;transition:all .3s}.search-padding{padding-left:42px}.theme-input:focus{border-color:var(--cyan-color);box-shadow:0 0 8px #00f0ff4d}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.preset-btn{background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;padding:8px;color:var(--text-light);cursor:pointer;display:flex;align-items:center;gap:6px;font-size:.8rem;transition:all .2s}.preset-btn:hover{background:#ffffff14}.preset-btn.active{background:#7000ff33;border-color:var(--secondary-color);box-shadow:0 0 10px #7000ff4d}.genre-section{margin-bottom:20px}.genre-label{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-muted);margin-bottom:8px}.genre-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.genre-card{background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px;text-align:left;cursor:pointer;transition:all .2s}.genre-card:hover{background:#ffffff0d}.genre-card.active{background:linear-gradient(135deg,#00f0ff1a,#7000ff26);border-color:var(--cyan-color);box-shadow:0 0 12px #00f0ff33}.genre-name{font-size:.85rem;font-weight:700;color:#fff;margin-bottom:2px}.genre-desc{font-size:.7rem;color:var(--text-muted)}.action-buttons{display:flex;gap:12px;margin-bottom:20px}.btn{flex:1;padding:12px;border-radius:12px;font-weight:700;cursor:pointer;border:none;transition:all .2s}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-2px)}.btn-secondary{background:#ffffff1a;color:var(--text-light);border:1px solid var(--border-color)}.btn-secondary:hover{background:#ffffff26}.album-preview-box{background:#0000004d;border-radius:16px;height:150px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border-color);overflow:hidden}.cover-placeholder{text-align:center;color:var(--text-muted);font-size:.8rem}.placeholder-icon{width:32px;height:32px;margin-bottom:6px;opacity:.5}.cover-wrapper{display:flex;align-items:center;gap:20px;width:100%;padding:15px}.album-img{width:100px;height:100px;border-radius:12px;object-fit:cover;box-shadow:0 4px 15px #00000080}.vinyl-record{width:80px;height:80px;background:#111;border-radius:50%;display:flex;align-items:center;justify-content:center;border:4px solid #333;box-shadow:inset 0 0 10px #fff3}.record-icon{color:var(--cyan-color);width:32px;height:32px}.spinning{animation:spin 4s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.teleprompter{background:#00000080;border-radius:16px;padding:20px;height:200px;display:flex;flex-direction:column;justify-content:center;align-items:center;border:1px solid rgba(0,240,255,.2);overflow:hidden;position:relative}.lyrics-scroller{text-align:center;transition:transform .3s ease}.lyric-line{font-size:1.1rem;margin:12px 0;color:var(--text-muted);transition:all .3s;opacity:.5}.lyric-line.active-line{font-size:1.4rem;color:var(--cyan-color);font-weight:700;text-shadow:0 0 12px rgba(0,240,255,.6);opacity:1;transform:scale(1.05)}.lyric-line.passed-line{opacity:.2}.visualizer{display:flex;justify-content:center;align-items:flex-end;gap:6px;height:60px;margin:20px 0}.bar{width:8px;background:linear-gradient(to top,var(--secondary-color),var(--cyan-color));border-radius:4px}.stage-controls{display:flex;justify-content:center;margin-bottom:25px}.btn-play-sing{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#00f0ff,#7000ff);color:#fff;border:none;padding:14px 32px;border-radius:30px;font-size:1.1rem;font-weight:700;cursor:pointer;box-shadow:0 4px 20px #00f0ff66;transition:all .2s}.btn-play-sing:hover{transform:scale(1.05);box-shadow:0 4px 25px #00f0ff99}.btn-play-sing.playing{background:linear-gradient(135deg,#ff007f,#7000ff);box-shadow:0 4px 20px #ff007f66}.rhythm-game-area{background:#ffffff0a;border-radius:16px;padding:16px;border:1px solid var(--border-color)}.game-header{font-size:.85rem;color:var(--text-muted);margin-bottom:12px;text-align:center}.rhythm-track{display:flex;align-items:center;justify-content:space-between;background:#0000004d;padding:12px;border-radius:12px}.beat-node{width:36px;height:36px;border-radius:50%;border:3px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;transition:all .1s}.node-active{border-color:var(--cyan-color);box-shadow:0 0 15px var(--cyan-color);transform:scale(1.15)}.inner-pulse{width:16px;height:16px;border-radius:50%;background:#ffffff1a}.node-active .inner-pulse{background:var(--cyan-color)}.tap-button{background:var(--primary-color);color:#fff;border:none;padding:10px 20px;border-radius:8px;font-weight:700;cursor:pointer;transition:transform .1s}.tap-button:active{transform:scale(.95)}.game-tip{font-size:.75rem;color:var(--text-muted);text-align:center;margin-top:8px;margin-bottom:0}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-4px)}}