:root{--bg-gradient-start: #e8eaf6;--bg-gradient-mid: #c5cae9;--bg-gradient-end: #9fa8da;--player-bg: rgba(255, 255, 255, .95);--carousel-bg-start: rgba(245, 245, 250, .8);--carousel-bg-end: rgba(255, 255, 255, .5);--track-bg-start: rgba(248, 248, 252, .6);--track-bg-end: rgba(255, 255, 255, .9);--text-primary: #1a1a1a;--text-secondary: rgba(0, 0, 0, .7);--text-muted: rgba(0, 0, 0, .5);--border-color: rgba(0, 0, 0, .1);--border-color-light: rgba(0, 0, 0, .05);--overlay-light: rgba(0, 0, 0, .03);--overlay-medium: rgba(0, 0, 0, .06);--overlay-heavy: rgba(0, 0, 0, .1);--accent-gradient-start: #5e72e4;--accent-gradient-mid: #825ee4;--accent-gradient-end: #e45c9f;--accent-color: #5e72e4;--shadow-color: rgba(0, 0, 0, .15);--scrollbar-track: rgba(0, 0, 0, .05);--scrollbar-thumb: rgba(0, 0, 0, .2);--scrollbar-thumb-hover: rgba(0, 0, 0, .3)}body.dark-mode{--bg-gradient-start: #0f0c29;--bg-gradient-mid: #302b63;--bg-gradient-end: #24243e;--player-bg: rgba(30, 30, 40, .95);--carousel-bg-start: rgba(45, 45, 60, .6);--carousel-bg-end: rgba(30, 30, 40, .3);--track-bg-start: rgba(30, 30, 40, .5);--track-bg-end: rgba(20, 20, 30, .8);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-color: rgba(255, 255, 255, .1);--border-color-light: rgba(255, 255, 255, .08);--overlay-light: rgba(255, 255, 255, .05);--overlay-medium: rgba(255, 255, 255, .1);--overlay-heavy: rgba(255, 255, 255, .2);--accent-gradient-start: #667eea;--accent-gradient-mid: #764ba2;--accent-gradient-end: #f093fb;--accent-color: #667eea;--shadow-color: rgba(0, 0, 0, .6);--scrollbar-track: rgba(255, 255, 255, .05);--scrollbar-thumb: rgba(255, 255, 255, .2);--scrollbar-thumb-hover: rgba(255, 255, 255, .3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:linear-gradient(135deg,var(--bg-gradient-start) 0%,var(--bg-gradient-mid) 50%,var(--bg-gradient-end) 100%);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;margin:0;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;overflow-x:hidden;transition:background .3s ease;padding-top:24px}.bgm-player{display:flex;flex-direction:column;width:95%;height:95vh;max-width:1400px;max-height:900px;background:var(--player-bg);backdrop-filter:blur(20px);border-radius:24px;box-shadow:0 20px 60px var(--shadow-color);overflow:hidden;border:1px solid var(--border-color);transition:background .3s ease,border .3s ease,box-shadow .3s ease}.album-carousel-container{width:100%;padding:60px 0;perspective:1500px;background:linear-gradient(180deg,var(--carousel-bg-start) 0%,var(--carousel-bg-end) 100%);border-bottom:1px solid var(--border-color-light);position:relative;overflow:hidden;min-height:440px;transition:background .3s ease}.album-list{display:flex;align-items:center;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;width:100%;min-height:400px;opacity:0;transition:opacity .5s ease}.album-list::-webkit-scrollbar{display:none}.album-item{scroll-snap-align:center;flex:0 0 240px;margin:0 50px;cursor:pointer;transition:all .5s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d;position:relative}.album-item img{width:100%;height:240px;border-radius:16px;object-fit:cover;box-shadow:0 20px 40px var(--shadow-color);transition:all .5s cubic-bezier(.4,0,.2,1)}.album-item:hover img{box-shadow:0 25px 50px var(--shadow-color)}.album-item.active:before{content:"";position:absolute;inset:-10px;background:linear-gradient(45deg,var(--accent-gradient-start) 0%,var(--accent-gradient-mid) 50%,var(--accent-gradient-end) 100%);border-radius:16px;opacity:.4;filter:blur(20px);z-index:-1;animation:pulse 2s ease-in-out infinite}.album-item.active.playing:before{animation:pulsePlaying 1.5s ease-in-out infinite}.album-item.active.playing:after{content:"";position:absolute;inset:-15px;background:linear-gradient(45deg,var(--accent-gradient-start) 0%,var(--accent-gradient-mid) 50%,var(--accent-gradient-end) 100%);border-radius:16px;opacity:.2;filter:blur(30px);z-index:-2;animation:pulseSecondary 1.5s ease-in-out infinite .75s}@keyframes pulse{0%,to{opacity:.3;transform:scale(.95)}50%{opacity:.5;transform:scale(1.05)}}@keyframes pulsePlaying{0%,to{opacity:.4;transform:scale(.98)}50%{opacity:.7;transform:scale(1.08)}}@keyframes pulseSecondary{0%,to{opacity:.1;transform:scale(.9)}50%{opacity:.3;transform:scale(1.1)}}.nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;background:var(--overlay-medium);backdrop-filter:blur(10px);border:1px solid var(--overlay-heavy);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10;transition:all .3s ease;color:var(--text-primary)}.nav-btn:hover:not(:disabled){background:var(--overlay-heavy);transform:translateY(-50%) scale(1.1);box-shadow:0 10px 30px var(--shadow-color)}.nav-btn:active:not(:disabled){transform:translateY(-50%) scale(.95)}.nav-btn:disabled{opacity:.3;cursor:not-allowed}.nav-btn svg{width:24px;height:24px}.prev-btn{left:30px}.next-btn{right:30px}.track-player-container{padding:30px 40px;flex-grow:1;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(180deg,var(--track-bg-start) 0%,var(--track-bg-end) 100%);transition:background .3s ease}.content-wrapper{display:flex;gap:30px;flex-grow:1;overflow:hidden}.track-list-container{flex:1;overflow-y:auto;padding-right:10px}#track-list{list-style:none;padding:0;margin:0}#track-list li{padding:16px 20px;margin-bottom:8px;border-radius:12px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:16px;background:var(--overlay-light);border:1px solid transparent}#track-list li:hover{background:var(--overlay-medium);border-color:var(--border-color);transform:translate(8px)}#track-list li.playing{background:linear-gradient(90deg,#5e72e426,#825ee426);border-color:var(--accent-color)}body.dark-mode #track-list li.playing{background:linear-gradient(90deg,#667eea33,#764ba233)}.track-number{font-size:14px;color:var(--text-muted);font-weight:600;min-width:30px;flex-shrink:0}.track-name{flex-grow:1;font-size:15px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary)}.track-time{font-size:14px;color:var(--text-muted);font-weight:500;min-width:45px;text-align:right;flex-shrink:0}#track-list li.playing .track-number,#track-list li.playing .track-time,#track-list li.playing .track-name{color:var(--accent-color);font-weight:600}.track-list-container::-webkit-scrollbar{width:8px}.track-list-container::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:4px}.track-list-container::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px;transition:background .2s}.track-list-container::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.audio-player{flex:0 0 380px;padding:32px;background:var(--overlay-light);border-radius:16px;border:1px solid var(--border-color);display:flex;flex-direction:column;gap:24px;transition:background .3s ease,border .3s ease}.now-playing{display:flex;flex-direction:column;gap:8px}.album-title{font-size:24px;font-weight:700;color:var(--text-primary);margin:0;line-height:1.3}.now-playing-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);font-weight:600}#now-playing-track{margin:0;font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary)}.visualizer-container{width:100%;height:120px;background:var(--overlay-light);border-radius:12px;border:1px solid var(--border-color);overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}#visualizer-canvas{width:100%;height:100%;display:block}.visualizer-container:before{content:"Audio Visualizer";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:1.5px;font-weight:600;pointer-events:none;opacity:.5;z-index:0}.visualizer-container.active:before{opacity:0}#audio{width:100%;height:48px;border-radius:8px;outline:none}#audio::-webkit-media-controls-panel{background:var(--overlay-medium)}.navbar{width:100%;max-width:1400px;margin-bottom:30px;background:var(--player-bg);border:1px solid var(--border-color);box-shadow:0 20px 60px var(--shadow-color);border-radius:24px}.site-footer{width:100%}@media (max-width: 768px){body{padding-top:0}.bgm-player{width:100%;height:100vh;max-height:none;border-radius:0}.album-carousel-container{padding:20px 0;min-height:200px}.album-list{min-height:160px}.album-item{flex:0 0 120px;margin:0 20px}.album-item img{height:120px}.nav-btn{width:40px;height:40px}.nav-btn svg{width:20px;height:20px}.prev-btn{left:10px}.next-btn{right:10px}.track-player-container{padding:20px 16px}.content-wrapper{flex-direction:column;gap:20px}.audio-player{flex:0 0 auto;padding:20px;gap:16px}.album-title{font-size:18px}#now-playing-track{font-size:14px}.now-playing-label{font-size:10px}.now-playing{gap:6px}.visualizer-container{height:80px}.visualizer-container:before{font-size:10px}.navbar{border-radius:0;margin-bottom:0}}