:root{--bg-main: #0a0b10;--bg-card: #13151f;--bg-card-hover: #1c1e2d;--bg-input: #181a26;--border-color: #282b3d;--text-main: #f9fafb;--text-muted: #9ca3af;--accent-primary: #ec4899;--accent-primary-hover: #db2777;--accent-secondary: #6366f1;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 2px 6px rgba(0, 0, 0, .4);--shadow-md: 0 6px 16px rgba(0, 0, 0, .6);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .8);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-main);color:var(--text-main);min-height:100vh;min-height:-webkit-fill-available;overflow-x:hidden;line-height:1.4;user-select:none;-webkit-user-select:none}input,button,select,textarea{font-family:inherit;font-size:1rem}button{cursor:pointer;border:none;background:none;touch-action:manipulation;min-height:48px;min-width:48px;display:inline-flex;align-items:center;justify-content:center}button:active{transform:scale(.97)}.app-container{display:flex;flex-direction:column;min-height:100vh;width:100%;max-width:1400px;margin:0 auto}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background-color:var(--bg-card);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:40}.logo-area{display:flex;align-items:center;gap:12px}.logo-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 12px #ec489966}.logo-title{font-size:1.25rem;font-weight:800;letter-spacing:-.5px}.logo-subtitle{font-size:.75rem;color:var(--text-muted)}.offline-banner{background-color:#854d0e;color:#fef08a;padding:8px 16px;font-size:.85rem;text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background-color:#13151ff2;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--border-color);display:flex;justify-content:space-around;padding:8px 12px calc(8px + var(--safe-bottom));z-index:50;max-width:1400px;margin:0 auto}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-muted);font-size:.8rem;font-weight:600;padding:6px 20px;border-radius:var(--radius-md);position:relative;transition:color .15s,background-color .15s}.nav-item.active{color:var(--accent-primary);background-color:#ec48991f}.nav-badge{position:absolute;top:4px;right:14px;background-color:var(--accent-primary);color:#fff;font-size:.7rem;font-weight:700;border-radius:999px;padding:2px 6px;min-width:18px;text-align:center}.main-content{flex:1;padding:16px;padding-bottom:calc(76px + var(--safe-bottom))}.main-content.in-player{padding:8px;padding-bottom:calc(8px + var(--safe-bottom))}.search-wrapper{position:relative;margin-bottom:16px}.search-input{width:100%;padding:14px 16px 14px 44px;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-main);font-size:1.05rem;outline:none;transition:border-color .2s}.search-input:focus{border-color:var(--accent-primary)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.clear-search-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--text-muted);min-height:36px;min-width:36px}.song-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 18px;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:background-color .15s,border-color .15s}.song-card:hover{background-color:var(--bg-card-hover);border-color:#ec489966}.song-info{flex:1;min-width:0}.song-title{font-size:1.15rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.song-artist{font-size:.95rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:6px}.song-badges{display:flex;gap:6px;flex-wrap:wrap}.badge{font-size:.72rem;padding:2px 8px;border-radius:6px;background-color:var(--bg-input);color:var(--text-muted);font-weight:500}.badge-lyrics{background-color:#6366f133;color:#a5b4fc;border:1px solid rgba(99,102,241,.4)}.badge-source{background-color:#10b98126;color:#6ee7b7}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));color:#fff;border-radius:var(--radius-md);padding:10px 20px;font-weight:700;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 12px #ec489959}.btn-secondary{background-color:var(--bg-input);color:var(--text-main);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:10px 16px;font-weight:600;display:inline-flex;align-items:center;gap:6px}.btn-icon{background-color:var(--bg-input);color:var(--text-main);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px;display:inline-flex;align-items:center;justify-content:center}.btn-danger{color:var(--accent-danger);border-color:#ef44444d}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted);background-color:var(--bg-card);border-radius:var(--radius-lg);border:1px dashed var(--border-color);margin-top:16px}.empty-state h3{font-size:1.25rem;color:var(--text-main);margin:14px 0 6px}.pro-player-root{display:flex;flex-direction:column;height:calc(100vh - 100px);width:100%;position:relative;background-color:#07080c;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color)}.pro-player-root.is-fullscreen{height:100vh;border-radius:0;border:none;position:fixed;inset:0;z-index:100}.player-stage-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:linear-gradient(180deg,#13151fe6,#0a0b1066);border-bottom:1px solid rgba(255,255,255,.06)}.player-stage-title{font-size:1.25rem;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-stage-artist{font-size:.9rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lyrics-arena{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:24px 20px;position:relative;overflow:hidden;background:radial-gradient(ellipse at center,#1e1b4b40,#07080c 75%)}.karaoke-current-verse-box{width:100%;max-width:960px;text-align:center;padding:20px 24px;margin:0 auto}.karaoke-current-text{font-size:clamp(1.8rem,4.5vw,3rem);font-weight:900;line-height:1.25;letter-spacing:-.5px;color:#fff;text-shadow:0 0 20px rgba(236,72,153,.6),0 2px 10px rgba(0,0,0,.9);transition:all .2s cubic-bezier(.16,1,.3,1)}.karaoke-countdown-badge{display:inline-flex;align-items:center;gap:12px;padding:10px 24px;border-radius:999px;background:linear-gradient(135deg,#ec489940,#6366f140);border:1px solid rgba(236,72,153,.5);box-shadow:0 0 20px #ec48994d;margin-bottom:20px}.countdown-number{font-size:2rem;font-weight:900;color:var(--accent-primary);animation:popNumber .8s infinite}@keyframes popNumber{0%{transform:scale(1.3);opacity:1}to{transform:scale(1);opacity:.7}}.karaoke-next-verse-box{margin-top:20px;text-align:center;color:var(--text-muted);font-size:clamp(1.05rem,2.5vw,1.45rem);font-weight:600;opacity:.8;max-width:850px}.karaoke-prev-verse-box{margin-bottom:20px;text-align:center;color:var(--text-muted);font-size:clamp(.95rem,2.2vw,1.25rem);font-weight:500;opacity:.35;max-width:850px}.verse-progress-track{width:100%;max-width:480px;height:6px;background-color:#ffffff1f;border-radius:999px;margin:16px auto 0;overflow:hidden}.verse-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-secondary),var(--accent-primary));box-shadow:0 0 10px var(--accent-primary);border-radius:999px;transition:width .05s linear}.pro-controls-dock{background:linear-gradient(0deg,#13151ffa,#0a0b10d9);backdrop-filter:blur(12px);border-top:1px solid var(--border-color);padding:10px 18px calc(10px + var(--safe-bottom));display:flex;flex-direction:column;gap:10px}.dock-scrubber-row{display:flex;align-items:center;gap:12px}.dock-scrubber{flex:1;accent-color:var(--accent-primary);height:6px;border-radius:3px;cursor:pointer}.dock-time-label{font-size:.82rem;color:var(--text-muted);font-weight:600;min-width:44px}.dock-buttons-row{display:flex;align-items:center;justify-content:space-between}.dock-center-controls{display:flex;align-items:center;gap:16px}.btn-play-pro{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));color:#fff;box-shadow:0 4px 16px #ec489980}.btn-dock-action{width:44px;height:44px;border-radius:var(--radius-sm);background-color:var(--bg-input);color:var(--text-main);border:1px solid var(--border-color)}.modal-overlay{position:fixed;inset:0;background-color:#000000d9;display:flex;align-items:center;justify-content:center;z-index:150;padding:16px}.modal-content{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:480px;width:100%;padding:24px;text-align:center;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:16px}.score-circle{width:110px;height:110px;border-radius:50%;border:4px solid var(--accent-primary);margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,#ec489926,#0000 70%)}.score-number{font-size:2.3rem;font-weight:900;color:#fff;line-height:1}.score-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.score-disclaimer{font-size:.78rem;color:var(--text-muted);background-color:var(--bg-input);padding:8px 12px;border-radius:var(--radius-sm);line-height:1.4}