*,:before,:after{box-sizing:border-box}:root{--bg:#060816;--bg-soft:#0b1020;--card:rgba(14,18,38,.72);--text:#f3f6ff;--muted:#9ea9c5;--line:rgba(255,255,255,.08);--accent:#7c5cff;--radius:24px;--sidebar-width:320px;--player-height:120px;--blur:blur(18px);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--shadow:0 20px 60px rgba(0,0,0,.35)}html,body{margin:0;padding:0;min-height:100%;background:radial-gradient(circle at top left,rgba(124,92,255,.22),transparent 32%),radial-gradient(circle at top right,rgba(47,198,255,.18),transparent 28%),linear-gradient(180deg,#060816 0%,#070b18 30%,#090c1b 100%);color:var(--text);font-family:var(--font)}body{overflow-x:hidden}button,input{font:inherit}img{max-width:100%;display:block}.glass{background:var(--card);border:1px solid var(--line);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);box-shadow:var(--shadow)}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);gap:24px;min-height:100vh;padding:20px}.sidebar{border-radius:32px;padding:24px;position:sticky;top:20px;align-self:start;display:flex;flex-direction:column;gap:22px;min-height:calc(100vh - 40px)}.brand-block{display:flex;gap:16px;align-items:center}.brand-icon{width:72px;height:72px;border-radius:22px;padding:12px;background:linear-gradient(135deg,rgba(124,92,255,.25),rgba(47,198,255,.22));border:1px solid rgba(255,255,255,.08)}.brand-title{margin:4px 0 6px;font-size:1.35rem;line-height:1.1}.brand-subtitle{margin:0;color:var(--muted);font-size:.92rem;line-height:1.55}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:rgba(255,255,255,.56);font-size:.72rem}.nav-stack{display:grid;gap:10px}.nav-chip,.filter-chip,.ghost-btn,.icon-btn,.play-btn{border:none;cursor:pointer;transition:transform .16s ease,background .16s ease,border-color .16s ease,opacity .16s ease}.nav-chip{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.04);color:var(--text);border-radius:999px;padding:13px 16px;border:1px solid transparent}.nav-chip:hover,.filter-chip:hover,.ghost-btn:hover,.icon-btn:hover,.play-btn:hover{transform:translateY(-1px)}.nav-chip.is-active{background:linear-gradient(135deg,rgba(124,92,255,.32),rgba(47,198,255,.14));border-color:rgba(124,92,255,.42)}.panel-block{border-radius:24px;padding:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}.panel-block.compact{margin-top:auto}.panel-title{font-size:.95rem;font-weight:700;margin-bottom:12px}.feature-list{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}.feature-list code,.hero-copy code{background:rgba(255,255,255,.06);padding:2px 8px;border-radius:999px;font-size:.9em;border:1px solid rgba(255,255,255,.06)}.hint-list{display:flex;flex-wrap:wrap;gap:8px}.hint-list span,.meta-pill{font-size:.84rem;color:var(--muted);padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}.main-panel{display:flex;flex-direction:column;gap:20px;padding-bottom:calc(var(--player-height) + 24px)}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.topbar h2{margin:6px 0 0;font-size:clamp(1.8rem,2.3vw,2.4rem);line-height:1.08}.topbar-actions{display:flex;flex-wrap:wrap;gap:10px}.ghost-btn{border-radius:999px;padding:12px 16px;background:rgba(255,255,255,.05);color:var(--text);border:1px solid rgba(255,255,255,.08)}.ghost-btn.small-btn{padding:9px 13px;font-size:.92rem}.hero-card{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:18px;border-radius:32px;padding:24px}.hero-badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;padding:8px 12px;border-radius:999px;color:#f2efff;background:rgba(124,92,255,.22);border:1px solid rgba(124,92,255,.34);font-size:.88rem}.hero-card h3{margin:0 0 10px;font-size:clamp(1.35rem,2vw,2rem)}.hero-card p{margin:0;color:var(--muted);line-height:1.8}.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.metric-card{border-radius:24px;padding:18px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.06)}.metric-card span{display:block;color:var(--muted);margin-bottom:10px;font-size:.92rem}.metric-card strong{font-size:clamp(1.6rem,2vw,2.2rem)}.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.search-wrap{flex:1 1 340px;display:flex;align-items:center;gap:10px;border-radius:999px;padding:0 16px;min-height:54px}.search-wrap svg{width:20px;height:20px;fill:rgba(255,255,255,.7);flex:0 0 auto}.search-wrap input{width:100%;min-width:0;background:transparent;border:none;outline:none;color:var(--text);font-size:1rem}.search-wrap input::placeholder{color:rgba(255,255,255,.45)}.chip-row{display:flex;flex-wrap:wrap;gap:10px}.filter-chip{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.04);color:var(--text);border:1px solid rgba(255,255,255,.06)}.filter-chip.is-active{background:rgba(124,92,255,.18);border-color:rgba(124,92,255,.34)}.content-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(340px,.95fr);gap:20px}.library-panel{border-radius:28px;padding:20px;min-height:640px}.inspector-panel{display:flex;flex-direction:column;gap:18px}.now-playing-card,.queue-card,.lyrics-card{border-radius:28px;padding:18px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.compact-head{margin-bottom:14px}.section-head h3{margin:4px 0 0;font-size:1.15rem}.status-text{color:var(--muted);font-size:.95rem}.folder-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.folder-tab{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);color:var(--muted);cursor:pointer}.folder-tab.is-active{color:var(--text);background:rgba(124,92,255,.18);border-color:rgba(124,92,255,.34)}.track-list{display:grid;gap:12px}.track-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:12px;border-radius:22px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}.track-item.is-active{background:linear-gradient(135deg,rgba(124,92,255,.18),rgba(47,198,255,.12));border-color:rgba(124,92,255,.34)}.track-cover{width:58px;height:58px;border-radius:16px;object-fit:cover;background:rgba(255,255,255,.05)}.track-main{min-width:0}.track-title-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}.track-title{font-size:1rem;font-weight:700;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.badge{display:inline-flex;align-items:center;font-size:.76rem;border-radius:999px;padding:4px 8px;background:rgba(124,92,255,.18);color:#efe7ff;border:1px solid rgba(124,92,255,.28)}.track-sub{color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 12px;font-size:.92rem}.track-actions{display:flex;align-items:center;gap:8px}.pill-btn,.mini-btn{border:none;cursor:pointer;color:var(--text);background:rgba(255,255,255,.05);border-radius:999px;padding:10px 12px;border:1px solid rgba(255,255,255,.06)}.mini-btn{min-width:42px}.icon-btn{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.05);color:var(--text);border:1px solid rgba(255,255,255,.06)}.icon-btn.is-active,.primary-lite{background:rgba(124,92,255,.18);border-color:rgba(124,92,255,.34)}.play-btn{width:62px;height:62px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#54bbff);color:#fff;font-size:1.4rem;box-shadow:0 12px 34px rgba(124,92,255,.36)}.cover-stage{position:relative;padding:10px 0 18px}.cover-stage img{width:min(100%,280px);aspect-ratio:1/1;object-fit:cover;margin:0 auto;border-radius:26px;position:relative;z-index:2;border:1px solid rgba(255,255,255,.08)}.vinyl-glow{width:72%;aspect-ratio:1/1;border-radius:50%;margin:-18px auto 0;background:radial-gradient(circle,rgba(124,92,255,.52),rgba(124,92,255,.05) 65%,transparent 70%);filter:blur(20px)}.track-meta{text-align:center;margin-bottom:10px}.track-meta h4{margin:0 0 8px;font-size:1.2rem}.track-meta p{margin:0 0 10px;color:var(--muted)}.progress-wrap{margin:16px 0}.progress-wrap input,.volume-row input,.player-dock input[type=range]{width:100%;accent-color:var(--accent)}.time-row,.volume-row{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:.92rem}.player-controls{display:flex;justify-content:center;align-items:center;gap:12px;margin:16px 0}.queue-list,.lyrics-box{max-height:280px;overflow:auto;padding-right:6px}.queue-item{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.04);margin-bottom:10px}.queue-index{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:rgba(255,255,255,.05);color:var(--muted);font-weight:700}.queue-item.is-active .queue-index{background:rgba(124,92,255,.25);color:#fff}.queue-title{font-weight:700;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.queue-sub{color:var(--muted);font-size:.9rem}.lyrics-box{padding:10px 4px 4px 0;line-height:1.9;color:rgba(255,255,255,.86);white-space:pre-wrap}.lyric-line{padding:4px 0;color:rgba(255,255,255,.54);transition:color .16s ease,transform .16s ease}.lyric-line.is-active{color:#fff;transform:translateX(4px)}.empty-state{color:var(--muted);padding:20px 0}.player-dock{position:fixed;left:20px;right:20px;bottom:20px;min-height:var(--player-height);z-index:50;border-radius:28px;padding:16px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(260px,.9fr);gap:16px;align-items:center}.player-left{display:grid;grid-template-columns:76px minmax(0,1fr);gap:12px;align-items:center;min-width:0}.player-left img{width:76px;height:76px;border-radius:20px;object-fit:cover}.player-track-title{font-size:1.04rem;font-weight:700;margin-bottom:6px}.player-track-sub{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-center{display:flex;align-items:center;gap:10px}.player-right{display:grid;gap:8px}.player-right .time-row{font-size:.85rem}.toast{position:fixed;right:22px;top:22px;padding:12px 16px;border-radius:14px;background:rgba(12,18,38,.92);border:1px solid rgba(255,255,255,.08);color:var(--text);box-shadow:var(--shadow);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s ease;z-index:200}.toast.is-visible{transform:translateY(0);opacity:1}.hidden{display:none!important}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-track{background:transparent}@media (max-width:1320px){.content-layout{grid-template-columns:1fr}.inspector-panel{grid-row:1}}@media (max-width:1120px){.app-shell{grid-template-columns:1fr;padding:14px}.sidebar{position:static;min-height:0}.player-dock{left:14px;right:14px;bottom:14px;grid-template-columns:1fr}}@media (max-width:780px){:root{--player-height:184px}.hero-card{grid-template-columns:1fr}.hero-metrics{grid-template-columns:1fr 1fr 1fr}.topbar{flex-direction:column;align-items:stretch}.content-layout{gap:16px}.track-item{grid-template-columns:auto minmax(0,1fr)}.track-actions{grid-column:1/-1;justify-content:flex-end}.metric-card strong{font-size:1.55rem}.player-left{grid-template-columns:58px minmax(0,1fr)}.player-left img{width:58px;height:58px}}@media (max-width:560px){.app-shell{padding:10px;gap:12px}.sidebar,.library-panel,.now-playing-card,.queue-card,.lyrics-card,.hero-card{border-radius:24px}.hero-metrics{grid-template-columns:1fr}.player-controls{gap:8px}.play-btn{width:56px;height:56px}.player-dock{left:10px;right:10px;bottom:10px;padding:14px}}