:root{--bg: #111111;--surface: #1a1a1b;--raised: #212122;--inset: #141415;--shadow-dark: #0a0a0a;--shadow-lite: #262627;--accent: #862ae8;--accent-dim: rgba(134, 42, 232, .15);--accent-glow: rgba(134, 42, 232, .4);--text-hi: #fcfcfc;--text-mid: #a0a0a5;--text-lo: #505055;--radius-sm: 10px;--radius-md: 18px;--radius-lg: 28px;--radius-xl: 40px;--neu-out: 6px 6px 15px var(--shadow-dark), -4px -4px 12px var(--shadow-lite);--neu-out-lg: 12px 12px 28px var(--shadow-dark), -8px -8px 24px var(--shadow-lite);--neu-in: inset 4px 4px 10px var(--shadow-dark), inset -3px -3px 8px var(--shadow-lite);--neu-in-deep: inset 8px 8px 18px var(--shadow-dark), inset -5px -5px 15px var(--shadow-lite);--font-ui: "Panchang", sans-serif;--font-mono: "Panchang", monospace}@font-face{font-family:Panchang;src:url(./assets/fonts/Panchang-Medium.otf) format("opentype");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Panchang;src:url(./assets/fonts/Panchang-Semibold.otf) format("opentype");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:Panchang;src:url(./assets/fonts/Panchang-Bold.otf) format("opentype");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:Kihim;src:url(./assets/fonts/Kihim-Regular.otf) format("opentype");font-style:normal;font-display:swap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}button{background:none;border:none;cursor:pointer;color:inherit}ul,li{list-style:none}input{outline:none;border:none;background:none}.otc-root{min-height:100dvh;background:var(--bg);color:var(--text-hi);font-family:Montserrat,sans-serif;display:flex;flex-direction:column}.otc-header{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;background:#1a1a1b;box-shadow:0 2px 12px var(--shadow-dark);position:sticky;top:0;z-index:100}.otc-single-panel{display:grid;grid-template-columns:380px 1px 1fr;gap:0;max-width:1080px;margin:0 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32px;box-shadow:var(--neu-out-lg)}.otc-filter-tray{padding:24px 24px 16px;border-bottom:1px solid var(--shadow-dark);background:var(--inset);border-radius:10px}.otc-tray-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.otc-tray-label{font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;color:var(--text-lo)}.otc-active-indicator{width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent-glow)}.otc-pill-scroller{display:flex;gap:12px;overflow-x:auto;padding:8px 4px 12px;scrollbar-width:none}.otc-pill-scroller::-webkit-scrollbar{display:none}.otc-genre-pill{white-space:nowrap;padding:8px 18px;border-radius:50px;font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--text-mid);background:var(--raised);transition:all .2s 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var(--accent-glow);color:#fff}.otc-ctrl--primary:hover{box-shadow:6px 6px 20px var(--shadow-dark),-3px -3px 12px var(--shadow-lite),0 0 30px var(--accent-glow)}.otc-ctrl--primary:active{transform:scale(.94);box-shadow:var(--neu-in),0 0 10px var(--accent-glow)}.otc-panel--list{padding:28px 20px;max-height:calc(100dvh - 120px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--raised) transparent}.otc-panel--list::-webkit-scrollbar{width:4px}.otc-panel--list::-webkit-scrollbar-track{background:transparent}.otc-panel--list::-webkit-scrollbar-thumb{background:var(--raised);border-radius:2px}.otc-list-hero{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.05)}.otc-list-disc{width:56px;height:56px;border-radius:50%;background:var(--inset) center/cover no-repeat;box-shadow:var(--neu-out);flex-shrink:0}.otc-list-hero-info p{font-size:12px;color:var(--text-mid);letter-spacing:.08em;text-transform:uppercase}.otc-tracklist{display:flex;flex-direction:column;gap:2px}.otc-track{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:var(--radius-md);cursor:pointer;transition:background .15s}.otc-track:hover{background:var(--raised)}.otc-track.is-active{background:var(--inset);box-shadow:var(--neu-in)}.otc-track-info{flex:1;min-width:0}.otc-track-title{font-size:14px;font-weight:500;color:var(--text-hi);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-transform:uppercase}.otc-track.is-active 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860px){.otc-main{padding:25px}.otc-layout{grid-template-columns:1fr;gap:20px}.otc-panel--list{max-height:400px}.otc-disc-wrap{width:200px;height:200px}}@media (max-width: 560px){.otc-header{padding:14px 18px}.otc-brand{font-size:11px}.otc-nav-btn{font-size:10px;padding:7px 10px}.otc-disc-wrap{width:170px;height:170px}.otc-catalog-head{flex-direction:column;align-items:flex-start}.otc-search{width:100%}}.progress-spinner-container{position:relative;display:inline-flex;justify-content:center;align-items:center;width:30px;height:30px}.progress-spinner{border:4px solid rgba(0,0,0,.1);border-radius:50%;border-top:4px solid white;width:20px;height:20px;animation:spin 2s linear infinite}.progress-spinner-percentage{position:absolute;font-size:13px;color:#000}@keyframes 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