:root{--bg:#0f172a;--panel:#111827;--text:#e5e7eb;--muted:#9ca3af;--accent:#6366f1;--success:#22c55e;--danger:#ef4444;--border:#1f2937}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Consolas,monospace;background:var(--bg);color:var(--text)}
.appbar{display:flex;flex-direction:column;gap:8px;padding:12px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#0b1222,#0f172a)}
.brand{font-weight:600;font-size:18px}
.chip{margin-left:10px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:#0b1222;color:var(--muted)}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.sep{width:1px;height:24px;background:var(--border)}
.btn{border:1px solid var(--border);background:#0b1222;color:var(--text);padding:8px 12px;border-radius:8px;cursor:pointer}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent)}
.btn.success{background:var(--success);border-color:var(--success)}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn.file-btn{position:relative;overflow:hidden}
.btn.file-btn input{position:absolute;left:0;top:0;opacity:0;width:100%;height:100%;cursor:pointer}
.input{background:var(--panel);color:var(--text);border:1px solid var(--border);padding:8px;border-radius:8px}
.main{display:flex;height:calc(100vh - 86px)}
.sidebar{width:320px;border-right:1px solid var(--border);padding:12px;display:flex;flex-direction:column;gap:8px;background:#0b1222}
.drawer-header{display:flex;flex-direction:column;gap:6px}
.drawer-title{font-weight:700;font-size:16px}
.drawer-actions{display:flex;gap:8px;align-items:center}
.input.small{padding:6px;font-size:12px}
.list{list-style:none;padding:0;margin:0;flex:1;overflow:auto}
.list li{padding:10px;border-bottom:1px solid var(--border);cursor:pointer}
.list li:hover{background:#111827}
.group-header{background:#0b1020;color:var(--muted);font-weight:700;position:sticky;top:0;z-index:1}
.song-item{display:flex;align-items:center;justify-content:space-between}
.song-item .left{display:flex;flex-direction:column}
.song-item .title{font-weight:600}
.song-item .artist{font-size:12px;color:var(--muted)}
.result-meta{font-size:12px;color:var(--muted)}
.result-stars{color:#3b82f6}
.song-item .add-btn{display:none}
.list li:hover .add-btn{display:inline-block}
.song-item.show-action .add-btn{display:inline-block}
.navbar{display:flex;gap:8px;border-top:1px solid var(--border);padding:8px;background:#0b1222}
.nav-btn{flex:1;background:#111827;color:var(--text);border:1px solid var(--border);padding:10px;border-radius:8px;cursor:pointer}
.hidden{display:none !important}
.content{flex:1;display:flex;flex-direction:column}
.tabs{display:flex;border-bottom:1px solid var(--border);background:#0b1222}
.tab{padding:10px 14px;border:none;background:#0b1222;color:var(--text);cursor:pointer}
.tab.active{background:#111827;border-bottom:2px solid var(--accent)}
.tabpane{flex:1;display:none}
.tabpane.active{display:flex;flex-direction:column}
.meta{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;padding:12px;background:#0b1222;border-bottom:1px solid var(--border)}
.editor{flex:1;padding:12px;background:#0b1222;color:var(--text);white-space:pre;overflow:auto;border:none;font-family:Consolas,Menlo,monospace}
#preview{flex:1;padding:12px;background:#0b1222;color:var(--text);white-space:pre;overflow:auto;font-family:Consolas,Menlo,monospace}
.overlay{position:fixed;left:0;top:0;width:100vw;height:100vh;background:#000;color:#fff;display:none;flex-direction:column;z-index:9999}
.overlay.show{display:flex}
.overlay-title{padding:14px 20px;font-size:28px;font-weight:700;border-bottom:1px solid #222;background:#000}
.slide{flex:1;overflow:hidden;padding:20px;border:2px solid #222;margin:20px;background:#000;font-family:Consolas,Menlo,"Courier New",monospace;white-space:pre-wrap;column-gap:32px}
.columns-1{column-count:1}
.columns-2{column-count:2}
.columns-3{column-count:3}
.overlay-controls{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:12px;transition:opacity .3s ease;z-index:10000}
.overlay-controls.hidden{opacity:0;pointer-events:none}
.overlay-btn{padding:10px 14px;border:1px solid #444;background:#111;color:#fff;border-radius:8px;cursor:pointer}
.overlay-btn:hover{border-color:#888}
.overlay-input{width:80px;padding:8px;border:1px solid #444;background:#111;color:#fff;border-radius:8px}
.overlay-select{padding:8px;border:1px solid #444;background:#111;color:#fff;border-radius:8px}
.chord-line{color:var(--accent)}
.chord-inline{color:var(--accent)}
.section{color:var(--muted);font-weight:700}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeOut{from{opacity:1}to{opacity:0}}
@keyframes slideInRight{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes slideOutLeft{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(-40px)}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:translateX(0)}}
@keyframes slideOutRight{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(40px)}}
.anim-in-fade{animation:fadeIn .25s ease forwards}
.anim-out-fade{animation:fadeOut .25s ease forwards}
.anim-in-right{animation:slideInRight .25s ease forwards}
.anim-out-left{animation:slideOutLeft .25s ease forwards}
.anim-in-left{animation:slideInLeft .25s ease forwards}
.anim-out-right{animation:slideOutRight .25s ease forwards}
.toast{position:fixed;right:16px;bottom:16px;background:#111827;border:1px solid var(--border);padding:10px 12px;border-radius:10px;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}
.modal{position:fixed;left:0;top:0;width:100vw;height:100vh;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:10001}
.modal.show{display:flex}
.modal-content{width:90%;max-width:800px;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;max-height:80vh}
.modal-header{padding:12px 16px;border-bottom:1px solid var(--border);font-weight:700}
.modal-body{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px;overflow:auto}
.search-body{grid-template-columns:1fr}
.searchbar{border-bottom:2px solid #2563eb;padding-bottom:6px;margin-bottom:6px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;padding:12px;border-top:1px solid var(--border)}
.list.small li{padding:8px;font-size:12px}