*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0a0a;--bg-card: #161616;--bg-input: #1e1e1e;--border: #2a2a2a;--text-primary: #f0f0f0;--text-secondary: #888;--accent: #c8a96e;--accent-dim: #3a2e1a;--font-size: 18px}html,body{background:var(--bg);color:var(--text-primary);font-family:-apple-system,PingFang TC,Noto Sans TC,Microsoft JhengHei,sans-serif;min-height:100vh;-webkit-tap-highlight-color:transparent}#root{max-width:680px;margin:0 auto;min-height:100vh}.header{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--border);padding:12px 16px}.header-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}.back-btn{background:none;border:none;color:var(--accent);font-size:22px;cursor:pointer;padding:4px 8px 4px 0;display:flex;align-items:center;flex-shrink:0}.header-title{font-size:17px;font-weight:600;color:var(--text-primary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-subtitle{font-size:12px;color:var(--text-secondary);margin-top:1px}.search-wrap{position:relative}.search-input{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:10px;padding:10px 16px 10px 40px;font-size:16px;color:var(--text-primary);outline:none;transition:border-color .15s}.search-input::placeholder{color:var(--text-secondary)}.search-input:focus{border-color:var(--accent)}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-secondary);font-size:16px;pointer-events:none}.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-secondary);font-size:18px;cursor:pointer;padding:4px;line-height:1}.song-list{padding:8px 0 32px}.album-group-label{padding:16px 16px 6px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary)}.song-item{display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s;background:transparent;width:100%;text-align:left;border-left:none;border-right:none;border-top:none;color:var(--text-primary)}.song-item:active{background:var(--bg-card)}.song-info{flex:1;min-width:0}.song-title{font-size:16px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-album{font-size:12px;color:var(--text-secondary);margin-top:3px}.song-chevron{color:var(--text-secondary);font-size:14px;margin-left:8px;flex-shrink:0}.no-results{text-align:center;color:var(--text-secondary);padding:60px 16px;font-size:15px}.font-controls{display:flex;align-items:center;gap:4px;margin-left:auto}.font-btn{background:var(--bg-input);border:1px solid var(--border);color:var(--text-primary);font-size:18px;width:36px;height:36px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .1s,border-color .1s}.font-btn:active{background:var(--accent-dim);border-color:var(--accent)}.font-size-label{font-size:12px;color:var(--text-secondary);min-width:30px;text-align:center}.lyrics-container{padding:24px 20px 60px}.lyrics-text{font-size:var(--font-size);line-height:1.9;color:var(--text-primary);white-space:pre-wrap;word-break:break-word;letter-spacing:.03em}mark{background:var(--accent-dim);color:var(--accent);border-radius:2px;padding:0 1px}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}