:root{--bg: #0a0a0a;--bg2: #141414;--bg3: #1c1c1e;--bg4: #2c2c2e;--text: #fff;--text2: #ababab;--text3: #636366;--accent: #f5a623;--blue: #0a84ff;--green: #30d158;--red: #ff453a;--border: rgba(255,255,255,.08)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden}#root{height:100%;display:flex;flex-direction:column}.app{display:flex;height:100%;overflow:hidden}.sidebar{width:320px;min-width:320px;display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--bg2);overflow:hidden;flex-shrink:0}.content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}@media (max-width: 767px){.sidebar{width:100%;min-width:0;border-right:none}.content{display:none;width:100%}.sidebar.hidden{display:none}.content.visible{display:flex}}.topbar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);background:var(--bg2);flex-shrink:0}.topbar-logo{font-size:19px;font-weight:900;color:var(--accent);letter-spacing:-.5px;flex-shrink:0}.topbar-tabs{display:flex;gap:2px;background:var(--bg4);border-radius:8px;padding:2px}.topbar-tab{padding:5px 12px;border-radius:6px;border:none;background:transparent;color:var(--text3);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.topbar-tab.active{background:var(--bg2);color:var(--text)}.topbar-spacer{flex:1}.band-selector{background:var(--bg4);border:.5px solid var(--border);border-radius:8px;padding:5px 8px;color:var(--text2);font-size:13px;cursor:pointer;outline:none;max-width:110px}.sign-out-btn{background:none;border:none;color:var(--text3);font-size:17px;cursor:pointer;padding:4px 6px;border-radius:6px;line-height:1;flex-shrink:0}.sign-out-btn:hover{color:var(--text);background:var(--bg4)}.search-wrap{padding:10px 12px;border-bottom:1px solid var(--border);flex-shrink:0}.search-input{width:100%;background:var(--bg4);border:.5px solid var(--border);border-radius:10px;padding:8px 12px;color:var(--text);font-size:15px;outline:none;-webkit-appearance:none}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text3)}.song-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.song-row{display:flex;align-items:center;padding:11px 16px;border-bottom:.5px solid var(--border);cursor:pointer;background:transparent;transition:background .1s}.song-row:hover{background:var(--bg3)}.song-row.active{background:#f5a62314;border-left:3px solid var(--accent);padding-left:13px}.song-row-body{flex:1;min-width:0}.song-row-title{font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-row-sub{font-size:13px;color:var(--text3);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-row-key{font-size:13px;color:var(--accent);font-weight:600;margin-left:8px;flex-shrink:0}.list-empty{color:var(--text3);text-align:center;padding:48px 24px;font-size:15px}.sl-row{display:flex;align-items:center;padding:12px 16px;border-bottom:.5px solid var(--border);cursor:pointer;background:transparent;transition:background .1s;gap:8px}.sl-row:hover{background:var(--bg3)}.sl-row.active{background:#f5a62314;border-left:3px solid var(--accent);padding-left:13px}.sl-row-name{flex:1;min-width:0;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sl-row-count{font-size:13px;color:var(--text3);flex-shrink:0}.sl-row-chevron{color:var(--text3);font-size:20px;flex-shrink:0}.content-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text3)}.content-empty-icon{font-size:56px;margin-bottom:4px}.content-empty-title{font-size:18px;font-weight:700;color:var(--text2)}.content-empty-sub{font-size:14px}.song-view{flex:1;display:flex;flex-direction:column;overflow:hidden}.song-header{padding:12px 20px;border-bottom:.5px solid var(--border);flex-shrink:0;display:flex;align-items:center;gap:10px}.song-back-btn{font-size:36px;font-weight:600;color:var(--accent);background:none;border:none;cursor:pointer;line-height:1;padding:0;flex-shrink:0}.song-header-title{font-size:21px;font-weight:800;color:var(--text);line-height:1.2}.song-header-sub{font-size:14px;color:var(--text3);margin-top:3px}.song-toolbar{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:.5px solid var(--border);background:var(--bg2);flex-shrink:0}.t-btn{background:var(--bg4);border:none;color:var(--text);font-size:20px;font-weight:600;border-radius:8px;width:34px;height:34px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;flex-shrink:0}.t-btn:active{opacity:.6}.t-group{display:flex;align-items:center;gap:6px}.t-label{font-size:13px;color:var(--text3)}.t-val{font-size:15px;font-weight:700;color:var(--accent);min-width:26px;text-align:center}.flat-btn{background:none;border:1px solid var(--border);color:var(--text2);font-size:15px;font-weight:600;border-radius:8px;padding:5px 10px;cursor:pointer;height:34px;display:flex;align-items:center}.flat-btn.on{border-color:var(--accent);color:var(--accent)}.toolbar-spacer{flex:1}.font-btn{background:none;border:1px solid var(--border);color:var(--text2);font-size:12px;font-weight:700;border-radius:8px;padding:5px 9px;cursor:pointer;height:34px;display:flex;align-items:center}.font-btn:hover{border-color:var(--text3);color:var(--text)}.song-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 24px 80px}.song-meta{display:flex;gap:14px;margin-bottom:18px;flex-wrap:wrap}.song-meta span{font-size:13px;color:var(--text3)}.song-meta strong{color:var(--text2)}.song-notes{background:var(--bg3);border-left:3px solid var(--accent);border-radius:6px;padding:10px 14px;margin-bottom:16px;font-size:14px;color:var(--text2);white-space:pre-wrap;word-break:break-word;line-height:1.5}.cp{line-height:1.7}.cp-line{display:flex;flex-wrap:wrap;align-items:flex-end;margin-bottom:2px;min-height:1.5em}.cp-pair{display:inline-flex;flex-direction:column;align-items:flex-start}.cp-chord{color:var(--accent);font-weight:700;line-height:1.3;white-space:nowrap;padding-right:2px}.cp-lyric{white-space:pre}.cp-text{white-space:pre-wrap;word-break:break-word}.cp-section{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:1.2px;margin:20px 0 6px}.cp-chorus{border-left:3px solid var(--blue);padding-left:14px;margin:8px 0}.cp-verse{margin:8px 0}.cp-bridge{border-left:3px solid var(--accent);padding-left:14px;margin:8px 0}.cp-gap{height:14px}.cp.hide-chords .cp-chord{display:none}.cp-tab{font-family:Courier New,monospace;font-size:13px;color:var(--text2);white-space:pre;overflow-x:auto;margin:8px 0;line-height:1.5;background:var(--bg3);border-radius:6px;padding:8px 12px}.sld-header{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:.5px solid var(--border);flex-shrink:0}.sld-title{font-size:19px;font-weight:700;color:var(--text);flex:1}.sld-count{font-size:13px;color:var(--text3)}.sld-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.sld-song-row{display:flex;align-items:center;padding:12px 16px;border-bottom:.5px solid var(--border);cursor:pointer;background:transparent;transition:background .1s}.sld-song-row:hover{background:var(--bg3)}.sld-num{width:28px;text-align:right;color:var(--text3);font-size:13px;font-weight:600;margin-right:14px;flex-shrink:0}.sld-info{flex:1;min-width:0}.sld-song-title{font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sld-song-sub{font-size:13px;color:var(--text3);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sld-song-key{font-size:13px;color:var(--accent);font-weight:600;flex-shrink:0;margin-left:8px}.mobile-back{display:none}@media (max-width: 767px){.mobile-back{display:flex;align-items:center;padding:8px 16px;border-bottom:.5px solid var(--border);background:var(--bg);flex-shrink:0}.mobile-back-btn{font-size:36px;font-weight:600;color:var(--accent);background:none;border:none;cursor:pointer;line-height:1;padding:0}}.login-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:32px 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var(--border);border-radius:12px;padding:16px;color:var(--text);font-size:26px;font-weight:800;letter-spacing:10px;text-align:center;text-transform:uppercase;outline:none;width:100%;-webkit-appearance:none}.guest-input:focus{border-color:var(--accent)}.guest-input::placeholder{color:var(--text3);font-size:18px;letter-spacing:6px;font-weight:400}.guest-btn{background:var(--accent);color:#000;border:none;border-radius:12px;padding:15px;font-size:17px;font-weight:700;cursor:pointer;width:100%;transition:opacity .15s}.guest-btn:disabled{opacity:.35;cursor:default}.guest-btn:hover:not(:disabled){opacity:.88}.loading-center{display:flex;align-items:center;justify-content:center;flex:1}.spinner{display:inline-block;width:26px;height:26px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.metro-btn{background:none;border:1.5px solid var(--text3);border-radius:8px;color:var(--text3);font-size:13px;font-weight:700;padding:5px 9px;cursor:pointer;flex-shrink:0;margin-left:8px;transition:border-color .12s,color .12s;white-space:nowrap}.metro-btn.active{border-color:var(--red);color:var(--red)}.metro-btn:hover{border-color:var(--text2);color:var(--text2)}.metro-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--red);opacity:0;pointer-events:none;z-index:9999;transition:opacity .06s ease-out}.metro-overlay.active{pointer-events:auto;cursor:pointer}.metro-overlay.flash{opacity:.88}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:2px}