:root{--study-accent:#c79b72;--study-line:rgba(255,255,255,.085);--study-surface:#171716;--study-muted:#99978f}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.study-breadcrumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--study-muted);font-size:.82rem;margin-bottom:18px;line-height:1.6}.study-breadcrumbs a{color:inherit;text-decoration:none}.study-breadcrumbs a:hover{color:var(--study-accent)}
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.study-folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:22px}.study-folder-card{display:block;background:var(--study-surface);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;transition:background .15s,transform .15s}.study-folder-card:hover{background:#21201e;transform:translateY(-2px)}.study-folder-cover{aspect-ratio:16/9;background:#22211e;display:grid;place-items:center;color:var(--study-accent);font-size:3rem}.study-folder-cover img{width:100%;height:100%;object-fit:cover}.study-folder-card>div+div{padding:16px}.study-folder-card h2{font-size:1rem;margin:0 0 6px}.study-folder-card p{font-size:.8rem;line-height:1.5;color:var(--study-muted);margin:0 0 12px}.study-folder-card small{color:var(--study-muted)}.study-folder-progress{display:grid;gap:6px;margin-top:16px;font-size:.75rem;color:var(--study-muted)}.study-folder-progress progress{height:4px;width:100%;border:0;border-radius:10px;overflow:hidden;accent-color:var(--study-accent);background:#37352f}.study-folder-progress progress::-webkit-progress-bar{background:#37352f}.study-folder-progress progress::-webkit-progress-value{background:var(--study-accent)}
.study-post-list{margin-top:16px}.study-post-row{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:12px;align-items:center;padding:18px 0;border-bottom:1px solid var(--study-line)}.study-post-row:last-child{border-bottom:0}.study-post-number{color:var(--study-muted);font-size:.78rem}.study-post-row strong{font-size:.96rem}.study-post-row p{color:var(--study-muted);font-size:.82rem;margin:5px 0}.study-post-row small{display:block;color:var(--study-muted);font-size:.73rem;margin-top:5px}.study-post-row .btn{min-height:36px;font-size:.78rem;padding:8px 12px}.study-post-row .locked-chip{font-size:.72rem;color:var(--study-muted);padding:8px}.study-post-navigation{display:flex;justify-content:space-between;gap:18px;margin:30px 0 20px;font-size:.83rem}.study-post-navigation a{max-width:48%;color:var(--study-accent);text-decoration:none}.study-post-navigation a:last-child{margin-left:auto;text-align:right}
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.sator-media{position:relative;margin:24px 0;background:#171716;border-radius:16px;padding:12px;overflow:hidden}.sator-media-stage{position:relative;line-height:0}.sator-media-element{width:100%;display:block;max-height:72vh;background:#080808;border-radius:9px}.sator-audio .sator-media-element{background:transparent;min-height:46px}.sator-watermark{position:absolute;right:14px;top:12px;z-index:3;pointer-events:none;font-size:clamp(10px,1.5vw,13px);line-height:1.3;letter-spacing:.04em;color:rgba(255,255,255,.58);text-shadow:0 1px 4px #000;user-select:none}.sator-media-tools{display:flex;gap:12px;align-items:center;justify-content:flex-start;margin-top:9px;font-size:.74rem;color:var(--study-muted)}.sator-media-tools button{min-height:32px;font-size:.78rem;padding:4px 7px}.sator-media-tools select{width:auto;padding:5px 7px;border:0;background:transparent;font-size:.8rem}.sator-media-tools [data-media-progress]{margin-left:auto}.sator-media-tools [data-media-fullscreen]{font-size:1.2rem}
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