.course-shell{background:var(--color-bg);color:var(--color-text);min-height:100vh;padding-bottom:112px}.course-page{min-height:calc(100vh - var(--header-height))}.course-hero{border-bottom:1px solid var(--color-line);max-width:var(--container);grid-template-columns:minmax(0,1.3fr) minmax(330px,.7fr);align-items:end;gap:52px;margin:0 auto;padding:clamp(58px,7vw,88px) 28px 50px;display:grid}.course-eyebrow{color:var(--color-accent);font-family:var(--font-mono);letter-spacing:.1em;margin:0 0 16px;font-size:11px;font-weight:700}.course-hero h1{font-family:var(--font-serif);letter-spacing:-.055em;margin:0;font-size:clamp(40px,5.4vw,68px);font-weight:500;line-height:1.08}.course-intro{color:var(--color-text-soft);max-width:640px;margin:24px 0 0;font-size:16px;line-height:1.85}.course-facts{border-left:1px solid var(--color-line);grid-template-columns:repeat(3,1fr);gap:22px;margin:0;padding-left:30px;display:grid}.course-facts div{min-width:0}.course-facts dt{color:var(--color-faint);font-family:var(--font-mono);letter-spacing:.08em;margin-bottom:8px;font-size:10px}.course-facts dd{margin:0;font-size:13px;font-weight:650;line-height:1.45}.course-layout{max-width:var(--container);grid-template-columns:260px minmax(0,760px);gap:58px;margin:0 auto;padding:54px 28px 86px;display:grid}.chapter-panel{top:calc(var(--header-height) + 28px);align-self:start;position:sticky}.panel-title{letter-spacing:.04em;align-items:center;gap:8px;margin-bottom:16px;font-size:13px;font-weight:700;display:flex}.panel-title svg{color:var(--color-accent);width:16px;height:16px}.chapter-panel ol{border-top:1px solid var(--color-line);margin:0;padding:0;list-style:none}.chapter-panel li{border-bottom:1px solid var(--color-line);transition:background-color .18s ease, color .18s ease, padding .22s var(--ease-out);grid-template-columns:42px 1fr;gap:11px;padding:14px 5px;display:grid;position:relative}.chapter-panel li>span{color:var(--color-faint);font-family:var(--font-mono);font-size:10px}.chapter-panel li strong{font-size:12px;font-weight:540;line-height:1.5}.chapter-panel .chapter-active{background:linear-gradient(90deg, var(--color-accent-soft), transparent);color:var(--color-accent);padding-left:9px}.chapter-panel li em{color:var(--color-accent);grid-column:2;font-size:10px;font-style:normal}.chapter-muted{color:var(--color-muted)}.all-episodes{color:var(--color-forest);align-items:center;gap:5px;width:fit-content;margin-top:18px;font-size:12px;display:flex}.all-episodes:hover,.course-sources a:hover{color:var(--color-accent)}.all-episodes svg,.course-sources svg{width:12px;height:12px}.source-note{background:var(--color-accent-soft);border:1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);border-radius:var(--radius-control);color:var(--color-text-soft);align-items:flex-start;gap:9px;margin-top:24px;padding:14px;display:flex}.source-note svg{color:var(--color-accent);flex:none;width:15px;height:15px;margin-top:2px}.source-note p{margin:0;font-size:12px;line-height:1.65}.transcript-panel{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:clamp(28px,5vw,54px)}.transcript-heading{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:end;padding-bottom:28px;display:flex}.transcript-heading>div>span{color:var(--color-accent);font-family:var(--font-mono);font-size:11px;font-weight:700}.transcript-heading h2{font-family:var(--font-serif);margin:8px 0 0;font-size:34px;font-weight:500}.reading-time{color:var(--color-muted);align-items:center;gap:6px;font-size:12px;display:flex}.reading-time svg{width:15px;height:15px}.transcript-disclaimer{background:var(--color-surface-subtle);border-left:3px solid var(--color-accent);border-radius:0 var(--radius-control) var(--radius-control) 0;margin-top:28px;padding:17px 20px}.transcript-disclaimer strong{font-size:12px}.transcript-disclaimer p{color:var(--color-text-soft);margin:7px 0 0;font-size:13px;line-height:1.75}.transcript-list{padding-top:10px}.transcript-row{border-bottom:1px solid color-mix(in srgb, var(--color-line) 68%, transparent);transition:background .18s ease, margin .22s var(--ease-out), padding .22s var(--ease-out);grid-template-columns:50px minmax(0,1fr);gap:22px;padding:25px 0;display:grid}.transcript-active{background:linear-gradient(90deg, var(--color-forest-soft), transparent);margin-left:-18px;padding-left:18px}.transcript-row button{background:var(--color-forest-soft);color:var(--color-forest);cursor:pointer;font-family:var(--font-mono);border:0;border-radius:5px;align-self:start;padding:7px 5px;font-size:10px;transition:background .16s,color .16s,transform .16s}.transcript-row button:hover{background:var(--color-forest);color:var(--color-bg);transform:translateY(-1px)}.speaker{color:var(--color-muted);letter-spacing:.06em;margin-bottom:8px;font-size:11px;font-weight:700;display:block}.transcript-row p{font-family:var(--font-serif);margin:0;font-size:17px;line-height:1.95}.course-sources{border-top:1px solid var(--color-line);flex-wrap:wrap;gap:12px 20px;margin-top:18px;padding-top:24px;font-size:12px;display:flex}.course-sources>span{color:var(--color-faint);font-family:var(--font-mono);font-size:11px;font-weight:700}.course-sources a{color:var(--color-forest);text-decoration:underline;-webkit-text-decoration-color:var(--color-line-strong);text-decoration-color:var(--color-line-strong);text-underline-offset:3px;align-items:center;gap:4px;display:inline-flex}.audio-dock{background:var(--color-player);border:1px solid color-mix(in srgb, var(--color-player-text) 12%, transparent);border-radius:var(--radius-card);box-shadow:var(--shadow-player);color:var(--color-player-text);z-index:60;grid-template-columns:auto auto 150px minmax(140px,1fr) auto auto;align-items:center;gap:18px;width:calc(100% - 36px);max-width:920px;padding:14px 18px;display:grid;position:fixed;bottom:22px;left:50%;transform:translate(-50%)}.skip-button{color:var(--color-player-muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;width:28px;height:34px;display:flex;position:relative}.skip-button svg{width:22px;height:22px}.skip-button small{font-size:7px;position:absolute;top:13px;left:9px}.play-button{background:var(--color-accent);color:#fff;cursor:pointer;height:38px;transition:background .16s ease, transform .18s var(--ease-out);border:0;border-radius:50%;justify-content:center;align-items:center;width:38px;display:flex}.play-button:hover{background:var(--color-accent-hover);transform:scale(1.04)}.play-button svg,.headphones{width:16px;height:16px}.audio-meta strong,.audio-meta span{display:block}.audio-meta strong{font-size:12px}.audio-meta span,.audio-time{color:var(--color-player-muted);margin-top:3px;font-size:10px}.audio-range{-webkit-appearance:none;appearance:none;background:linear-gradient(90deg, var(--color-accent) var(--progress), color-mix(in srgb, var(--color-player-text) 18%, transparent) var(--progress));cursor:pointer;width:100%;height:3px;margin:0}.audio-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--color-player-text);border-radius:50%;width:11px;height:11px}@media (max-width:800px){.course-hero,.course-layout{grid-template-columns:1fr}.course-hero{gap:32px;padding-left:20px;padding-right:20px}.course-facts{border-left:0;border-top:1px solid var(--color-line);padding-top:22px;padding-left:0}.course-layout{gap:34px;padding-left:20px;padding-right:20px}.chapter-panel{position:static}.chapter-panel ol{grid-template-columns:1fr 1fr;display:grid}.audio-dock{grid-template-columns:auto auto 1fr auto;gap:12px}.audio-range,.audio-time,.headphones{display:none}}@media (max-width:520px){.course-shell{padding-bottom:102px}.course-hero h1{font-size:39px}.course-facts{gap:14px}.chapter-panel ol{grid-template-columns:1fr}.transcript-panel{padding:24px 20px}.transcript-heading{flex-direction:column;align-items:flex-start;gap:14px}.transcript-row{gap:14px}.audio-dock{width:calc(100% - 24px);bottom:12px}}