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18px;cursor:pointer}.player__btn:hover:not(:disabled){background:var(--cs-accent-deep)}.admin-add{margin:1rem 0 2rem}.admin-help{margin:0 0 14px;color:var(--cs-ink-soft);font-size:.9rem}.admin-help a{color:var(--cs-accent)}.admin-file{color:var(--cs-accent);cursor:pointer;text-decoration:underline}.admin-drop{border:1.5px dashed #cdc5b6;border-radius:11px;padding:24px;text-align:center;color:var(--cs-ink-soft);background:#faf8f3}.admin-drop code{font-family:var(--cs-mono);font-size:12px;color:var(--cs-accent);background:var(--cs-accent-soft);padding:1px 6px;border-radius:5px}.admin-paste{width:100%;box-sizing:border-box;margin-top:12px;min-height:90px;padding:12px;border:1px solid #d8d1c4;border-radius:9px;font:12px/1.5 var(--cs-mono);color:var(--cs-ink-soft)}.admin-paste:focus{outline:none;border-color:var(--cs-accent);box-shadow:0 0 0 3px var(--cs-accent-soft)}.admin-error{color:var(--cs-accent-deep);font-size:.9rem}.admin-preview{display:flex;gap:16px;margin-top:12px}.admin-preview__frame{flex:1;min-width:0;height:320px;border:1px solid var(--cs-line);border-radius:8px;overflow:hidden}.admin-outline{flex:0 0 240px;font-size:13px;color:var(--cs-ink-soft);max-height:320px;overflow:auto}.admin-actions{display:flex;align-items:center;gap:12px;margin-top:12px}.admin-actions button{font-family:var(--cs-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:9px 16px;border:0;border-radius:9px;background:var(--cs-accent);color:#fff;cursor:pointer}.admin-actions button:hover:not(:disabled){background:var(--cs-accent-deep)}.admin-actions button:disabled{opacity:.5;cursor:default}.admin-status{font-family:var(--cs-mono);font-size:12px;color:var(--cs-accent)}.admin-list{list-style:none;margin:0;padding:0}.admin-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--cs-line)}.admin-row__title{font-family:var(--cs-serif);font-weight:600;color:var(--cs-ink)}.admin-row__count{font-family:var(--cs-mono);font-size:11px;color:var(--cs-muted)}.admin-badge{margin-left:auto;font-family:var(--cs-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--cs-muted);border:1px solid var(--cs-line);border-radius:999px;padding:3px 10px}.admin-badge.is-published{color:var(--cs-accent);border-color:#e7b9c8;background:var(--cs-accent-soft)}.admin-row button{font-family:var(--cs-mono);font-size:11px;padding:6px 12px;border:1px solid #d8d1c4;border-radius:8px;background:#fff;color:var(--cs-ink-soft);cursor:pointer}.admin-row button:hover{border-color:var(--cs-accent);color:var(--cs-accent)}.admin-delete{color:var(--cs-accent-deep)}.admin-add h2,.page h1,.page h2{font-family:var(--cs-serif);color:var(--cs-ink)}.app-header__brand{display:inline-flex;align-items:baseline;gap:8px}.app-header__mark{font-family:var(--cs-mono);font-size:12px;letter-spacing:.14em;color:var(--cs-accent)}.course-card__eyebrow{font-family:var(--cs-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--cs-accent);margin-bottom:9px}.login-eyebrow{font-family:var(--cs-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--cs-accent);text-align:center;margin:0}.login-note{font-family:var(--cs-mono);font-size:11px;color:var(--cs-muted);text-align:center;margin:2px 0 0}.admin-row__cat{font-family:var(--cs-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--cs-accent);border:1px solid #e7b9c8;border-radius:999px;padding:2px 8px}.admin-edit{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;width:100%}.admin-edit__field{display:flex;flex-direction:column;gap:4px;font-family:var(--cs-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--cs-muted)}.admin-edit__field input{font-family:var(--cs-serif);font-size:14px;color:var(--cs-ink);padding:6px 9px;border:1px solid #d8d1c4;border-radius:8px;background:var(--cs-bg)}.admin-edit__field input:focus{outline:none;border-color:var(--cs-accent);box-shadow:0 0 0 3px var(--cs-accent-soft)}.admin-edit button{font-family:var(--cs-mono);font-size:11px;padding:7px 13px;border:1px solid var(--cs-accent);border-radius:8px;background:var(--cs-accent);color:#fff;cursor:pointer}.admin-edit button:disabled{opacity:.5;cursor:default}.admin-edit__cancel{background:#fff;color:var(--cs-ink-soft);border-color:#d8d1c4}.catalog-group{margin-top:1.5rem}.page h2.catalog-category{font-family:var(--cs-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cs-accent);margin:0 0 12px}.course-sidebar__subsec{border:1px solid var(--cs-line);border-radius:10px;background:#fff;margin:8px 4px;overflow:hidden}.course-sidebar__subsec-head{width:100%;display:flex;align-items:center;gap:8px;background:transparent;border:0;cursor:pointer;padding:10px 12px;text-align:left}.course-sidebar__subsec.is-open .course-sidebar__subsec-head{border-bottom:1px solid var(--cs-line)}.course-sidebar__subsec-name{flex:1;font-family:var(--cs-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--cs-accent)}.course-sidebar__subsec-count{font-family:var(--cs-mono);font-size:10px;color:var(--cs-muted);font-variant-numeric:tabular-nums}.course-sidebar__subsec-chev{font-family:var(--cs-mono);font-size:11px;color:var(--cs-muted);transition:transform .18s ease}.course-sidebar__subsec:not(.is-open) .course-sidebar__subsec-chev{transform:rotate(-90deg)}.course-sidebar__subsec-lessons{list-style:none;margin:0;padding:6px;display:flex;flex-direction:column;gap:1px}.course-sidebar__subsec-lessons .course-sidebar__lesson{padding:7px 10px;font-size:14px;line-height:1.3}.course-sidebar__subsec-lessons .course-sidebar__num{font-size:10px}.course-sidebar--sectioned .course-sidebar__nav{padding:4px 12px 20px}.course-sidebar--sectioned .course-sidebar__section-head{padding:16px 8px 10px}.course-sidebar--sectioned .course-sidebar__section-title{color:var(--cs-ink);font-size:10.5px}.course-sidebar--sectioned .course-sidebar__section+.course-sidebar__section{margin-top:6px;border-top:1px solid var(--cs-line)}@media (prefers-reduced-motion: reduce){.course-sidebar__subsec-chev{transition:none}}