:root{--bg:#0e0f13;--panel:#181a21;--line:#262a35;--hi:#fff;--lo:rgba(255,255,255,.3);--accent:#7c9cff;color-scheme:dark}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;height:100dvh;background:var(--bg);color:#e9ebf2;font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;padding-top:env(safe-area-inset-top)}
main{flex:1;min-height:0;position:relative}
.view{display:none;position:absolute;inset:0;padding:16px;overflow-y:auto}
.view.active{display:flex;flex-direction:column}
#view-play{padding-bottom:8px}
h2{margin:4px 0 12px}
button,.btn{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 14px;cursor:pointer;display:inline-block}
.btn{background:var(--accent);color:#0b1020;border:0;font-weight:600}
.btn.ghost{background:var(--panel);color:inherit;border:1px solid var(--line);font-weight:400}
.row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
input[type=search],input[type=text],textarea{width:100%;background:var(--panel);color:inherit;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit}
textarea{resize:vertical}
.hint{color:#9aa0b2;font-size:14px}
.hint a{color:var(--accent)}
details{margin:10px 0}
summary{cursor:pointer;color:#9aa0b2}

.np-head{display:flex;gap:12px;align-items:center;min-height:56px}
#cover{width:56px;height:56px;border-radius:10px;object-fit:cover}
#np-title{font-weight:700}
#np-artist{color:#9aa0b2;font-size:14px}

.lyrics{flex:1;min-height:0;overflow-y:auto;padding:30vh 4px;scroll-behavior:smooth;-webkit-mask-image:linear-gradient(transparent,#000 15%,#000 85%,transparent);mask-image:linear-gradient(transparent,#000 15%,#000 85%,transparent)}
.lyrics .empty{color:#9aa0b2;text-align:center;padding-top:10vh}
.line{font-size:clamp(24px,7vw,34px);font-weight:800;line-height:1.25;margin:0 0 22px;opacity:.45;transition:opacity .25s,transform .25s;transform-origin:left center;transform:scale(.96);cursor:pointer}
.line.active{opacity:1;transform:scale(1)}
.line.past{opacity:.6}
/* The gradient stop is driven by --p so each word fills left to right like a karaoke bar. */
.w{--p:0;background:linear-gradient(90deg,var(--hi) calc(var(--p)*100%),var(--lo) calc(var(--p)*100%));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.line.past .w{--p:1}

.seek{display:flex;align-items:center;gap:10px;font-size:13px;color:#9aa0b2;font-variant-numeric:tabular-nums}
.seek input{flex:1}
input[type=range]{accent-color:var(--accent)}
.controls{display:flex;justify-content:center;align-items:center;gap:24px;padding:10px 0 4px}
.controls button{font-size:22px;width:56px;height:56px;border-radius:50%;padding:0}
.controls .big{width:72px;height:72px;font-size:28px;background:var(--accent);color:#0b1020;border:0}

.list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.item{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px;text-align:left;width:100%}
.item img,.item .ph{width:48px;height:48px;border-radius:8px;object-fit:cover;background:var(--line);flex:none}
.item .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .a{font-size:13px;color:#9aa0b2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .txt{min-width:0}
.item.cur{border-color:var(--accent)}

.tap-preview{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;max-height:30vh;overflow-y:auto;line-height:1.8}
.tap-preview .done{color:#9aa0b2}
.tap-preview .cur{background:var(--accent);color:#0b1020;border-radius:6px;padding:0 4px}
.tap-preview .br{display:block}
.btn.tap{flex:1;min-height:64px;font-size:18px}

.mini{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:var(--panel);border-top:1px solid var(--line)}
.mini[hidden]{display:none}
#mini-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
nav{display:flex;border-top:1px solid var(--line);background:var(--bg);padding-bottom:env(safe-area-inset-bottom)}
nav button{flex:1;border:0;border-radius:0;background:none;color:#9aa0b2;padding:14px 4px;font-size:13px}
nav button.active{color:#fff;box-shadow:inset 0 2px 0 var(--accent)}