:root{--color-bg:#000;--color-surface:#ffffff0f;--color-surface-hover:#ffffff1a;--color-border:#ffffff1a;--color-text:#fff;--color-text-secondary:#ffffff80;--color-text-tertiary:#ffffff4d;--blur-amount:80px;--blur-opacity:.6;--blur-saturate:180%;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Helvetica Neue,Arial,sans-serif}body.immersive-shell{padding:0}.app-container{width:100vw;height:100dvh;position:relative;overflow:hidden}.bg-layer{z-index:-2;filter:blur(var(--blur-amount)) saturate(var(--blur-saturate));opacity:var(--blur-opacity);transition:background-image var(--transition-slow);background-position:50%;background-size:cover;position:fixed;inset:0;transform:scale(1.2)}.bg-overlay{z-index:-1;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);background:#0006;position:fixed;inset:0}.glass{background:var(--color-surface);-webkit-backdrop-filter:blur(40px)saturate(180%);border:1px solid var(--color-border)}.glass-strong{-webkit-backdrop-filter:blur(60px)saturate(200%);border:1px solid var(--color-border);background:#1e1e1ed9}.main-layout{width:100vw;height:100%;display:flex}.sidebar{flex-direction:column;gap:8px;width:240px;height:100%;padding:20px;display:flex;overflow-y:auto}.sidebar-item{border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:12px;padding:12px 16px;font-size:15px;font-weight:500;display:flex}.sidebar-item:hover{background:var(--color-surface-hover);color:var(--color-text)}.sidebar-item.active{color:var(--color-text)}.main-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.player-shell{flex:1;grid-template-columns:minmax(0,1fr) 420px;min-height:0;display:grid}.player-main{min-width:0}.desktop-lyrics-pane{background:0 0;border:none;flex-direction:column;min-height:0;margin:18px 20px 20px 0;display:flex}.top-bar{justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;display:flex}.search-container{flex:1;max-width:400px;position:relative}.search-input{border-radius:var(--radius-lg);background:var(--color-surface);width:100%;color:var(--color-text);transition:all var(--transition-fast);border:none;outline:none;padding:10px 16px 10px 44px;font-size:15px}.search-input::placeholder{color:var(--color-text-tertiary)}.search-input:focus{background:var(--color-surface-hover);box-shadow:0 0 0 2px #ffffff1a}.search-icon{color:var(--color-text-tertiary);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.play-page{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:32px;padding:40px;display:flex;position:relative;overflow:hidden}.album-cover{border-radius:var(--radius-xl);object-fit:cover;width:min(320px,60vw);height:min(320px,60vw);box-shadow:0 20px 60px #00000080}.album-cover-clickable{cursor:pointer;transition:transform var(--transition-fast), box-shadow var(--transition-fast)}.album-cover-clickable:hover{transform:scale(1.01);box-shadow:0 28px 70px #0000008c}.cover-lyric-hint{display:none!important}.song-info{text-align:center;flex-direction:column;gap:8px;display:flex}.song-title{letter-spacing:-.5px;font-size:24px;font-weight:600}.song-artist{color:var(--color-text-secondary);font-size:16px}.progress-bar{flex-direction:column;gap:8px;width:100%;max-width:500px;display:flex}.progress-track{background:var(--color-surface);cursor:pointer;touch-action:none;border-radius:2px;width:100%;height:4px;position:relative}.progress-fill{background:var(--color-text);border-radius:2px;height:100%;transition:width .1s linear;position:absolute;top:0;left:0}.progress-thumb{background:var(--color-text);width:12px;height:12px;transition:transform var(--transition-fast);border-radius:50%;position:absolute;top:50%;transform:translate(-50%,-50%)scale(0)}.progress-track:hover .progress-thumb,.progress-track.dragging .progress-thumb{transform:translate(-50%,-50%)scale(1)}.progress-time{color:var(--color-text-secondary);font-variant-numeric:tabular-nums;justify-content:space-between;font-size:12px;display:flex}.controls-wrap{width:100%;max-width:640px}.controls{flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;display:flex}.control-btn{color:var(--color-text);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;display:flex}.control-btn:hover{color:var(--color-text);transform:scale(1.1)}.control-btn:active{transform:scale(.95)}.control-btn.active{color:var(--color-text)}.control-btn-mode,.control-btn-share{border:1px solid var(--color-border);background:#ffffff12;border-radius:50%;width:38px;height:38px;padding:0}.play-mode-single-icon{justify-content:center;align-items:center;display:inline-flex;position:relative}.play-mode-single-badge{text-align:center;color:#000000d9;background:#ffffffe6;border-radius:50%;width:11px;height:11px;font-size:8px;line-height:11px;position:absolute;bottom:-6px;right:-5px}.control-btn-main{background:var(--color-text);width:64px;height:64px;color:var(--color-bg)}.control-btn-main:hover{background:var(--color-text);transform:scale(1.05)}.control-btn-main:active{transform:scale(.95)}.volume-control{border:1px solid var(--color-border);background:#ffffff14;border-radius:999px;align-items:center;gap:10px;min-width:160px;padding:8px 12px;display:inline-flex}.quality-control{border:1px solid var(--color-border);background:#ffffff14;border-radius:999px;align-items:center;gap:6px;min-width:184px;padding:6px 9px;display:inline-flex}.quality-label{color:#ffffffb8;white-space:nowrap;font-size:12px}.quality-select{min-width:0;color:var(--color-text);background:0 0;border:none;border-radius:999px;outline:none;flex:1;padding:5px 8px;font-size:11px;line-height:1.2}.quality-select option{color:#111}.volume-icon{color:#ffffffc7;align-items:center;display:flex}.volume-slider{appearance:none;background:linear-gradient(to right, #fffffff2 var(--volume-progress,80%), #ffffff2e var(--volume-progress,80%));border-radius:999px;outline:none;width:140px;height:6px;transition:background .18s}.volume-slider::-webkit-slider-thumb{appearance:none;background:#fff;border:none;border-radius:50%;width:14px;height:14px;transition:transform .16s,box-shadow .16s;box-shadow:0 0 #ffffff73}.volume-slider:hover::-webkit-slider-thumb{transform:scale(1.08);box-shadow:0 0 0 6px #fff3}.volume-slider::-moz-range-thumb{background:#fff;border:none;border-radius:50%;width:14px;height:14px}.player-notice{text-align:center;color:#ffffffc2;min-height:18px;margin-top:12px;font-size:13px}.lyrics-container{text-align:center;scroll-behavior:smooth;scroll-snap-type:y proximity;flex:1;width:100%;max-width:100%;padding:10px 20px;overflow-y:auto;-webkit-mask-image:linear-gradient(#0000 0%,#000 15% 85%,#0000 100%);mask-image:linear-gradient(#0000 0%,#000 15% 85%,#0000 100%)}.lyrics-container-desktop{padding:18px 28px 22px}.lyrics-container-mobile{padding:12px 18px 28px}.lyric-spacer{height:26%;min-height:110px}.lyric-line{color:#fff6;letter-spacing:-.01em;scroll-snap-align:center;transform-origin:50%;flex-direction:column;gap:6px;padding:10px 20px;font-size:22px;font-weight:600;line-height:1.36;transition:transform .26s,color .26s,opacity .26s;display:flex}.lyric-line-main{line-height:1.36}.lyric-line-translation{color:#ffffff9e;font-size:.72em;font-weight:500;line-height:1.42}.lyric-line.active{color:var(--color-text);text-shadow:0 6px 22px #fff3;transform:scale(1.08)}.lyric-line.active .lyric-line-translation{color:#ffffffe6}.lyric-line.passed{color:#ffffff4d}.lyric-line.passed .lyric-line-translation{color:#ffffff6b}.lyric-line.near{color:#ffffffb8;transform:scale(1.02)}.lyric-line.near .lyric-line-translation{color:#ffffffbd}.lyric-line.far{color:#ffffff47;transform:scale(.98)}.lyric-line.far .lyric-line-translation{color:#ffffff61}.lyrics-container-desktop .lyric-line.before{transform:perspective(900px)rotateX(18deg)translateY(-8px)scale(.96)}.lyrics-container-desktop .lyric-line.after{transform:perspective(900px)rotateX(-18deg)translateY(8px)scale(.96)}.lyrics-container-desktop .lyric-line.before.near{transform:perspective(900px)rotateX(10deg)translateY(-4px)scale(1)}.lyrics-container-desktop .lyric-line.after.near{transform:perspective(900px)rotateX(-10deg)translateY(4px)scale(1)}.lyrics-container-desktop .lyric-line.before.far{transform:perspective(900px)rotateX(24deg)translateY(-12px)scale(.92)}.lyrics-container-desktop .lyric-line.after.far{transform:perspective(900px)rotateX(-24deg)translateY(12px)scale(.92)}.lyrics-container-desktop .lyric-line.active{transform:scale(1.1)}.mobile-lyrics-bg{display:none}.playlist-drawer{-webkit-backdrop-filter:blur(40px)saturate(180%);border-top:1px solid var(--color-border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;transition:transform var(--transition-normal);z-index:100;background:#141414f2;flex-direction:column;max-height:60vh;display:flex;position:fixed;bottom:0;left:0;right:0;transform:translateY(100%)}.playlist-drawer.open{transform:translateY(0)}.playlist-handle{background:var(--color-text-tertiary);border-radius:2px;width:40px;height:4px;margin:12px auto}.playlist-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.playlist-title{font-size:18px;font-weight:600}.playlist-count{color:var(--color-text-secondary);font-size:14px}.playlist-items{flex:1;padding:8px;overflow-y:auto}.playlist-item-row{border-radius:var(--radius-md);margin-bottom:6px;position:relative;overflow:hidden}.playlist-item-delete{color:#fffffff5;letter-spacing:.02em;opacity:0;background:#ce3939d1;justify-content:flex-end;align-items:center;padding-right:18px;font-size:13px;font-weight:600;transition:opacity .15s,transform .15s,background .15s;display:flex;position:absolute;inset:0;transform:translate(12px)}.playlist-item-row.swiping .playlist-item-delete{opacity:1;transform:translate(0)}.playlist-item-row.armed .playlist-item-delete{background:#e82a2aeb}.playlist-item{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast), transform .18s ease, opacity .18s ease;z-index:1;background:#ffffff0f;align-items:center;gap:12px;padding:12px 16px;display:flex;position:relative}.playlist-item:hover{background:var(--color-surface-hover)}.playlist-item.active{background:var(--color-surface)}.playlist-item.dragging{opacity:.84;transform:scale(.985)}.playlist-item-cover{border-radius:var(--radius-sm);object-fit:cover;width:48px;height:48px}.playlist-item-info{flex:1;overflow:hidden}.playlist-item-title{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.playlist-item-artist{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.playlist-item-playing{color:var(--color-text)}.search-results{flex:1;padding:0 24px 100px;overflow-y:auto}.search-section-title{padding:16px 0;font-size:20px;font-weight:600}.song-card{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast);align-items:center;gap:16px;padding:12px;display:flex}.song-card:hover{background:var(--color-surface-hover)}.song-card-cover{border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;width:56px;height:56px}.song-card-info{flex:1;overflow:hidden}.song-card-title{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.song-card-artist{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.empty-state{height:100%;color:var(--color-text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.loading-spinner{border:2px solid var(--color-surface);border-top-color:var(--color-text);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.page-hidden{display:none}.icon-btn{color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;display:flex}.icon-btn:hover{color:var(--color-text);background:var(--color-surface)}.details-btn{border:1px solid var(--color-border);color:#ffffffeb;cursor:pointer;width:40px;height:40px;transition:transform var(--transition-fast), background var(--transition-fast);background:#14141473;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}.details-btn:hover{background:#1c1c1c9e;transform:none}.details-btn-desktop-fixed{z-index:135;position:fixed;bottom:14px;left:14px}.details-btn-mobile-inline{display:none}.details-overlay{z-index:140;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000008c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.details-card{border-radius:var(--radius-xl);border:1px solid var(--color-border);width:min(520px,92vw);box-shadow:none;background:#161616f0;padding:26px 24px;position:relative}.details-close{border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;background:#ffffff14;border-radius:999px;padding:7px 12px;font-size:12px;position:absolute;top:16px;right:16px}.details-title{letter-spacing:-.02em;margin-top:0;font-size:28px}.details-subtitle{color:var(--color-text-secondary);margin-top:4px;font-size:14px}.details-section{border-radius:var(--radius-md);background:#ffffff05;border:1px solid #ffffff1a;margin-top:18px;padding:14px}.details-section h3{color:#ffffffe6;margin-bottom:6px;font-size:14px}.details-section p{color:#ffffffb8;font-size:13px;line-height:1.5}.details-link{color:#e2e2e2e6;word-break:break-all;font-size:13px;text-decoration:none;display:inline-block}.search-dropdown{-webkit-backdrop-filter:blur(24px)saturate(130%);background:#262626c7;border:1px solid #ffffff24}.details-author{color:#ffffffb3;margin-top:16px;font-size:13px}@media (max-width:1024px){.sidebar{display:none}.play-page{gap:24px;padding:24px}.album-cover{width:min(280px,50vw);height:min(280px,50vw)}}@media (max-width:768px){.player-shell{display:flex}.desktop-lyrics-pane,.details-btn-desktop-fixed{display:none}.details-btn-mobile-inline{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:inline-flex;position:static}.details-card{padding:20px 16px}.details-title{font-size:24px}.play-page{gap:16px;padding:16px}.play-page.lyrics-on-bg .mobile-lyrics-bg{top:10px;left:10px;right:10px;bottom:calc(188px + env(safe-area-inset-bottom,0px));-webkit-backdrop-filter:blur(var(--mobile-lyrics-blur,26px)) saturate(180%);z-index:1;pointer-events:auto;background:0 0;border:none;border-radius:20px;flex-direction:column;padding:16px 10px;transition:-webkit-backdrop-filter .28s,backdrop-filter .28s;display:flex;position:absolute;overflow:hidden}.play-page.lyrics-on-bg .mobile-lyrics-bg:after{display:none}.play-page.lyrics-on-bg>.album-cover,.play-page.lyrics-on-bg>.song-info{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .24s,transform .24s;transform:scale(.96)}.play-page.lyrics-on-bg>.progress-bar,.play-page.lyrics-on-bg>.controls-wrap,.play-page.lyrics-on-bg>.player-notice,.play-page.lyrics-on-bg>.loading-spinner{z-index:2;position:relative}.album-cover{border-radius:var(--radius-lg);width:min(240px,70vw);height:min(240px,70vw)}.song-title{font-size:20px}.song-artist{font-size:14px}.lyric-line{font-size:19px}.lyric-line-translation{font-size:.74em}.lyric-line.active{transform:scale(1.05)}.lyric-spacer{height:24%;min-height:84px}.controls{gap:14px}.controls-wrap{max-width:100%}.volume-control{min-width:142px;padding:8px 10px}.quality-control{min-width:146px;padding:6px 8px}.quality-label{display:none}.quality-select{padding:5px 6px;font-size:10px}.volume-slider{width:112px}.control-btn-main{width:56px;height:56px}.playlist-drawer{max-height:85vh}}