:root{--bg: #0f0f11;--bg-elev-1: #17171a;--bg-elev-2: #202024;--bg-elev-3: #2a2a30;--border: #2a2a31;--border-strong: #3a3a44;--stage: #08080a;--text: #f0f0f2;--text-dim: #a2a2a8;--text-faint: #6c6c74;--accent: #7c83ff;--accent-hover: #969cff;--accent-press: #6a70da;--accent-ink: #16172e;--accent-soft: rgba(124,131,255,.14);--accent-line: rgba(124,131,255,.45);--accent-glow: rgba(124,131,255,.32);--good: #5fc98a;--good-soft: rgba(95,201,138,.14);--again: #ef7a6b;--again-soft: rgba(239,122,107,.14);--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Hanken Grotesk", system-ui, sans-serif;--r-sm: 10px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--dur-1: 90ms;--dur-2: .15s;--dur-3: .23s}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-synthesis:none}::selection{background:var(--accent-soft)}h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;margin:0}a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:10px 18px;cursor:pointer;transition:background var(--dur-1),border-color var(--dur-1),transform 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var(--dur-1)}@media(hover:hover){.chip:hover{background:var(--bg-elev-3)}}.chip.sel{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent);font-weight:600}.badge{font-size:10.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:3px 8px;border-radius:999px;white-space:nowrap}.badge.app-general-learning{background:#5fc98a24;color:var(--good)}.badge.app-code-learning{background:var(--accent-soft);color:var(--accent)}.search-input-wrap{position:relative;flex:1;min-width:0}.search-input-wrap .icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-faint);pointer-events:none}.search-input-wrap input{width:100%;padding-left:36px}.episode-card{display:flex;flex-direction:column;gap:8px;text-align:left;width:100%;cursor:pointer}.episode-card .ep-title{font-size:14.5px;font-weight:600;line-height:1.35}.episode-card 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