.collection-detail-container.svelte-d8xdm3{box-sizing:border-box;max-width:1200px;margin:0 auto;padding:2.5rem 1.5rem}.breadcrumb.svelte-d8xdm3{margin-bottom:1.5rem}.back-link.svelte-d8xdm3{color:var(--color-accent);font-size:.875rem;font-weight:600;text-decoration:none}.detail-header.svelte-d8xdm3{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;flex-direction:column;gap:1.5rem;margin-bottom:2rem;padding:2rem;display:flex}@media (width>=768px){.detail-header.svelte-d8xdm3{flex-direction:row;justify-content:space-between;align-items:flex-start}}.badge-group.svelte-d8xdm3{align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.vis-badge.svelte-d8xdm3{border-radius:4px;padding:.2rem .6rem;font-size:.75rem;font-weight:700}.vis-badge.public.svelte-d8xdm3{color:var(--color-accent);background:#d977061f;border:1px solid #d9770640}.vis-badge.tenant.svelte-d8xdm3{background:var(--bg-card-subtle);color:var(--text-body);border:1px solid var(--border-subtle)}.vis-badge.private.svelte-d8xdm3{background:var(--bg-card-subtle);color:var(--text-caption);border:1px solid var(--border-subtle)}.author-tag.svelte-d8xdm3{color:var(--text-caption);font-size:.8rem}h1.svelte-d8xdm3{color:var(--text-title);margin:0 0 .5rem;font-size:2rem;font-weight:800}.desc.svelte-d8xdm3{color:var(--text-body);max-width:600px;margin:0;font-size:.95rem;line-height:1.6}.header-actions.svelte-d8xdm3{flex-direction:column;gap:.75rem;display:flex}.btn-add.svelte-d8xdm3{background:var(--bg-card-subtle);color:var(--text-title);border:1px solid var(--border-subtle);cursor:pointer;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:.875rem;font-weight:600;display:flex}.btn-practice-all.svelte-d8xdm3{text-align:center;border-radius:8px;padding:.75rem 1.25rem;font-size:.9rem;font-weight:700;text-decoration:none}.section-title-row.svelte-d8xdm3{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:1.25rem;display:flex}.section-title-row.svelte-d8xdm3 h2:where(.svelte-d8xdm3){color:var(--text-title);margin:0;font-size:1.25rem;font-weight:700}.hint-text.svelte-d8xdm3{color:var(--text-caption);font-size:.8rem}.items-list.svelte-d8xdm3{flex-direction:column;gap:.75rem;display:flex}.item-card.svelte-d8xdm3{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}.item-num.svelte-d8xdm3{color:var(--color-accent);font-variant-numeric:tabular-nums;width:2.5rem;font-size:1.1rem;font-weight:800}.item-info.svelte-d8xdm3{flex:1}.item-title.svelte-d8xdm3{color:var(--text-title);margin:0 0 .25rem;font-size:1rem;font-weight:600}.item-tags.svelte-d8xdm3{gap:.5rem;display:flex}.tag-cat.svelte-d8xdm3,.tag-diff.svelte-d8xdm3{background:var(--bg-card-subtle);color:var(--text-body);border:1px solid var(--border-subtle);border-radius:4px;padding:.15rem .45rem;font-size:.7rem}.item-actions.svelte-d8xdm3{align-items:center;gap:.75rem;display:flex}.btn-item-start.svelte-d8xdm3{color:var(--color-accent);background:#d977061f;border:1px solid #d9770640;border-radius:6px;padding:.45rem .9rem;font-size:.85rem;font-weight:600;text-decoration:none}.reorder-btns.svelte-d8xdm3{flex-direction:column;gap:2px;display:flex}.btn-arrow.svelte-d8xdm3{background:var(--bg-card-subtle);border:1px solid var(--border-subtle);color:var(--text-body);cursor:pointer;border-radius:4px;padding:.15rem .4rem;font-size:.65rem}.btn-arrow.svelte-d8xdm3:disabled{opacity:.3;cursor:not-allowed}.btn-del.svelte-d8xdm3{cursor:pointer;opacity:.6;background:0 0;border:none;font-size:1rem}.btn-del.svelte-d8xdm3:hover{opacity:1}.empty-box.svelte-d8xdm3{text-align:center;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-body);border-radius:12px;padding:3rem}.btn-sub.svelte-d8xdm3{cursor:pointer;border:none;border-radius:8px;margin-top:1rem;padding:.6rem 1.2rem;font-weight:700}.modal-backdrop.svelte-d8xdm3{z-index:50;background:#000000b3;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-card.svelte-d8xdm3{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;flex-direction:column;width:100%;max-width:600px;max-height:80vh;display:flex}.modal-header.svelte-d8xdm3{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-header.svelte-d8xdm3 h3:where(.svelte-d8xdm3){color:var(--text-title);margin:0;font-size:1.1rem}.btn-close.svelte-d8xdm3{color:var(--text-caption);cursor:pointer;background:0 0;border:none;font-size:1.25rem}.modal-body.svelte-d8xdm3{padding:1.5rem;overflow-y:auto}.modal-hint.svelte-d8xdm3{color:var(--text-caption);margin:0 0 1rem;font-size:.85rem}.lesson-picker-list.svelte-d8xdm3{flex-direction:column;gap:.75rem;display:flex}.picker-item.svelte-d8xdm3{background:var(--bg-card-subtle);border:1px solid var(--border-subtle);border-radius:8px;justify-content:space-between;align-items:center;padding:.85rem 1rem;display:flex}.picker-item.svelte-d8xdm3 strong:where(.svelte-d8xdm3){color:var(--text-title);font-size:.9rem;display:block}.picker-desc.svelte-d8xdm3{color:var(--text-caption);font-size:.75rem}.btn-pick.svelte-d8xdm3{cursor:pointer;border:none;border-radius:6px;padding:.4rem .8rem;font-size:.8rem;font-weight:700}.font-mono.svelte-d8xdm3{font-family:SF Mono,SFMono-Regular,ui-monospace,Menlo,monospace}.loading-state.svelte-d8xdm3{text-align:center;color:var(--text-caption);padding:4rem}