:root{--ice-blue: #bcd5ff;--ice-blue-bright: #d8e8ff;--ice-blue-card: rgba(188, 213, 255, .68);--ice-blue-soft: rgba(188, 213, 255, .62);--ice-blue-muted: rgba(188, 213, 255, .42);--ink: #10141c;color:var(--ice-blue-bright);background:#111;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#111}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.app-shell{position:relative;isolation:isolate;display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100vh;overflow:hidden;background:#151515}.app-shell:before,.app-shell:after{position:absolute;inset:0;pointer-events:none;content:""}.app-shell:before{z-index:-2;background-image:var(--background-image);background-position:center;background-size:cover;opacity:0;filter:blur(18px) saturate(.9);transform:scale(1.08);transition:opacity .22s ease}.app-shell:after{z-index:-1;background:linear-gradient(180deg,#101010eb,#101010bd 34%,#101010f5),linear-gradient(90deg,rgba(186,213,255,.07),transparent 52%);opacity:0;transition:opacity .22s ease}.app-shell.has-background:before,.app-shell.has-background:after{opacity:1}.top-panel{position:relative;z-index:1;padding:12px 14px 8px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.title-block{display:grid;gap:4px;min-width:0}.eyebrow{margin:0;color:var(--ice-blue-soft);font-size:13px;font-weight:800;letter-spacing:0}h1{display:none}.header-actions{display:flex;flex:0 0 auto;align-items:center;gap:8px;min-width:0}.batch-action{position:relative;flex:0 0 auto;padding:8px 11px;overflow:hidden;border:1px solid rgba(188,213,255,.22);border-radius:999px;background:#bcd5ff1a;color:var(--ice-blue-bright);font-size:12px;font-weight:850;line-height:1}.batch-action input{position:absolute;inset:0;cursor:pointer;opacity:0}.session-chip{flex:0 0 auto;max-width:96px;padding:8px 12px;overflow:hidden;border-radius:999px;background:var(--ice-blue);color:var(--ink);font-size:13px;font-weight:850;text-overflow:ellipsis;white-space:nowrap}.picker-grid{display:flex;gap:8px;margin-top:10px;width:100%;overflow:hidden}.file-picker{position:relative;display:grid;flex:1 1 0;gap:5px;width:0;min-width:0;min-height:62px;padding:10px;overflow:hidden;border:1px solid rgba(255,255,255,.07);border-radius:18px;background:#2b2b2b;color:var(--ice-blue-bright)}.audio-picker{background:var(--ice-blue);color:var(--ink)}.background-picker{flex:1 1 0}.picker-label{color:currentColor;font-size:12px;font-weight:800;opacity:.62}.file-picker input{position:absolute;inset:0;cursor:pointer;opacity:0}.file-picker strong{display:-webkit-box;overflow:hidden;font-size:clamp(11px,3.2vw,13px);font-weight:850;line-height:1.26;text-overflow:ellipsis;-webkit-box-orient:vertical;-webkit-line-clamp:2}.batch-select-row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;align-items:center;margin-top:8px;color:var(--ice-blue-muted);font-size:12px;font-weight:800}.batch-select-row select{min-width:0;width:100%;height:34px;border:1px solid rgba(188,213,255,.18);border-radius:12px;background:#2b2b2bb8;color:var(--ice-blue-bright);font-size:13px;font-weight:800}.library-strip{display:flex;gap:8px;margin-top:10px;padding-bottom:2px;overflow-x:auto;scrollbar-width:none}.library-strip::-webkit-scrollbar{display:none}.library-card{display:grid;gap:4px;min-width:116px;max-width:176px;min-height:54px;padding:9px 11px;border:1px solid rgba(188,213,255,.16);border-radius:16px;background:#2b2b2bd1;color:var(--ice-blue-bright);text-align:left;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.library-card span{color:var(--ice-blue-muted);font-size:11px;font-weight:850}.library-card strong{overflow:hidden;font-size:14px;font-weight:900;line-height:1.22;text-overflow:ellipsis;white-space:nowrap}.library-card.selected{border-color:transparent;background:var(--ice-blue);color:var(--ink)}.library-card.selected span{color:#10141c94}.status{min-height:18px;margin:8px 2px 0;color:var(--ice-blue-soft);font-size:12px;line-height:1.45}.status.error{color:#ffb4c7;font-weight:750}.lyrics-panel{position:relative;z-index:1;min-height:0;overflow-y:auto;padding:14px 14px 118px;scroll-behavior:smooth;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 24px,#000 calc(100% - 72px),transparent 100%);mask-image:linear-gradient(180deg,transparent 0,#000 24px,#000 calc(100% - 72px),transparent 100%)}.lyrics-panel.is-empty{display:grid;place-items:center;padding:24px 20px 118px}.empty-state{width:min(100%,330px);padding:26px 20px;border-radius:24px;background:#252525;text-align:left}.empty-state h2{margin:0 0 8px;color:var(--ice-blue-bright);font-size:24px;letter-spacing:0}.empty-state p{margin:0;color:var(--ice-blue-soft);font-size:14px;line-height:1.65}.cue-row{display:grid;grid-template-columns:46px minmax(0,1fr);gap:12px;width:100%;min-height:62px;margin:0 0 8px;padding:14px 10px;border:0;border-radius:20px;background:transparent;color:var(--ice-blue-muted);text-align:left;transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}.cue-row:active{transform:scale(.99)}.cue-row.active{background:var(--ice-blue-card);color:var(--ink);box-shadow:inset 0 1px #ffffff24,0 18px 36px #00000029;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cue-time{padding-top:4px;color:currentColor;font-size:11px;font-weight:850;line-height:1.4;font-variant-numeric:tabular-nums;opacity:.55}.cue-text{min-width:0;font-size:17px;font-weight:620;line-height:1.66;white-space:pre-wrap;word-break:break-word}.cue-row.active .cue-text{color:var(--ink);font-size:19px;font-weight:850}.player-bar{position:relative;z-index:1;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center;padding:12px 16px calc(14px + env(safe-area-inset-bottom));background:#151515eb;box-shadow:0 -18px 36px #00000047;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.play-button{width:54px;height:54px;border:0;border-radius:999px;background:var(--ice-blue);color:var(--ink);font-size:18px;font-weight:950;box-shadow:0 16px 34px #00000047}.play-button:disabled{background:#333;color:var(--ice-blue-muted);box-shadow:none}.progress-wrap{min-width:0}.progress-wrap input{width:100%;accent-color:var(--ice-blue)}.time-row{display:flex;justify-content:space-between;color:var(--ice-blue-soft);font-size:12px;font-variant-numeric:tabular-nums}@media(min-width:720px){.app-shell{max-width:780px;margin:0 auto}.top-panel{padding:14px 24px 10px}.lyrics-panel{padding-right:28px;padding-left:28px}}