/* Catalog, course detail and legal pages. Prefixes: cat-, cd-, lg- */

/* ---------- legal ---------- */
.lg-shell { max-width: 820px; padding-block: clamp(24px, 5vw, 56px) 48px; }
.lg-back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.lg-card { padding: clamp(22px, 4vw, 40px); }
.lg-card h1 { font-size: clamp(24px, 4vw, 32px); margin-bottom: 14px; line-height: 1.5; }
.lg-card h2 { font-size: 19px; margin: 28px 0 8px; }
.lg-card p, .lg-card li { font-size: 15.5px; line-height: 2; color: var(--ink-2); }
.lg-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: var(--r-pill); background: color-mix(in srgb, var(--c-8) 45%, transparent); color: var(--ink); border: 1px solid var(--line-strong); font-size: 13px; font-weight: 700; margin-bottom: 18px; }
.lg-help { text-align: center; margin-top: 20px; }
.lg-help a { color: var(--accent); font-weight: 700; }

/* ---------- catalog ---------- */
.cat-stats { gap: 8px; margin-top: 16px; }
.cat-wrap { padding-bottom: 48px; }
.cat-layout { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.cat-bar { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; }
.cat-search { flex: 1; min-width: 0; }
.cat-search .input { min-height: 52px; }
.cat-filter-toggle { display: none; }
.cat-search-btn { min-height: 52px; }

.cat-filters { grid-column: 1; grid-row: 2; position: sticky; top: 92px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px; display: grid; gap: 16px; box-shadow: var(--shadow-1); max-height: calc(100svh - 110px); overflow-y: auto; }
.cat-filters-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.cat-reset { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 700; font-size: 13.5px; min-height: 36px; }
.cat-group { border: 0; padding: 0; margin: 0; min-width: 0; }
.cat-group legend { font-size: 13px; font-weight: 800; color: var(--muted); margin-bottom: 8px; padding: 0; }
.cat-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-opt { position: relative; }
.cat-opt input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.cat-opt span { display: inline-flex; align-items: center; min-height: 40px; padding: 4px 14px; border-radius: var(--r-pill); border: 1.5px solid var(--line-strong); background: var(--surface-2); color: var(--ink-2); font-size: 14px; font-weight: 600; transition: background .2s, color .2s, border-color .2s; }
.cat-opt:hover span { border-color: var(--c-4); }
.cat-opt input:checked + span { background: var(--grad-primary); color: #fff; border-color: transparent; }
.cat-opt input:focus-visible + span { outline: 3px solid var(--c-4); outline-offset: 2px; }

.cat-results { grid-column: 2; grid-row: 2; min-width: 0; display: grid; gap: 18px; }
.cat-results-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.cat-results-top p { margin: 0; }
.cat-sort { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.cat-sort .input { min-height: 44px; width: auto; padding-block: 6px; }
.cat-active { gap: 8px; }
.cat-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.course-card h3 a { color: inherit; }
.cat-empty h3 { margin: 8px 0; color: var(--ink); }
.cat-empty-actions { justify-content: center; margin-top: 16px; gap: 10px; }
.cat-note { display: flex; gap: 14px; align-items: center; padding: 16px 20px; }
.cat-note .svg-icon { color: var(--accent); flex: none; }
.cat-note p { margin: 0; color: var(--ink-2); }
.cat-note a { color: var(--accent); font-weight: 700; }

@media (max-width: 900px) {
  .cat-layout { grid-template-columns: 1fr; gap: 16px; }
  .cat-filter-toggle { display: inline-flex; }
  .cat-search-btn { display: none; }
  .cat-filters, .cat-results { grid-column: 1; }
  .cat-filters { grid-row: auto; display: none; position: static; max-height: none; }
  .cat-filters.open { display: grid; }
  .cat-results { grid-row: auto; }
  .cat-grid { grid-template-columns: 1fr; }
}

/* ---------- course detail ---------- */
.cd-crumb-wrap { padding-top: 16px; }
.breadcrumb .current { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 52ch; }
.cd-hero { padding-block: 8px 28px; position: relative; }
.cd-hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 4vw, 48px); align-items: center; }
.cd-hero-copy { display: grid; gap: 16px; justify-items: start; min-width: 0; }
.cd-tags { gap: 8px; }
.cd-title { line-height: 1.5; }
.cd-desc { color: var(--ink-2); }
.cd-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px 18px; width: 100%; }
.cd-meta li { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 14.5px; }
.cd-meta .svg-icon { color: var(--accent); flex: none; }
.cd-meta b { color: var(--ink); }

.teaser-box { position: relative; border-radius: var(--r-xl); overflow: hidden; aspect-ratio: 16 / 10; box-shadow: var(--shadow-2); background: var(--c-1); }
.inline-video-element { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; }
.teaser-cover { position: absolute; inset: 0; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; color: #fff; background: var(--grad-primary); overflow: hidden; }
.teaser-cover.cover-mint { background: linear-gradient(135deg, var(--c-2), var(--c-4)); }
.teaser-cover.cover-lilac { background: linear-gradient(135deg, var(--c-1), var(--c-3)); }
.teaser-cover.cover-peach { background: linear-gradient(135deg, var(--c-5), var(--c-6)); }
.teaser-cover.cover-blue { background: linear-gradient(135deg, var(--c-3), var(--c-5)); }
.teaser-cover.cover-pink { background: linear-gradient(135deg, var(--c-4), var(--c-6)); }
.teaser-top-row { display: flex; justify-content: space-between; gap: 8px; position: relative; z-index: 2; }
.teaser-top-row .cover-tag { display: inline-flex; align-items: center; gap: 6px; }
.teaser-backdrop-formula { position: absolute; left: 6%; top: 18%; font-size: clamp(56px, 12vw, 110px); font-weight: 900; opacity: .2; z-index: 1; direction: ltr; }
.teaser-play-btn { position: absolute; inset: 0; margin: auto; width: 76px; height: 76px; border-radius: 50%; border: 0; background: #fff; color: var(--c-1); display: grid; place-items: center; z-index: 3; cursor: pointer; box-shadow: 0 14px 40px -8px rgba(0,0,0,.45); transition: transform .25s var(--ease); }
.teaser-play-btn:hover { transform: scale(1.08); }
.teaser-play-btn::before { content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 2px solid rgba(255,255,255,.55); animation: cd-ping 2s ease-out infinite; }
@keyframes cd-ping { to { transform: scale(1.35); opacity: 0; } }
.cd-teaser-link { align-self: center; position: relative; z-index: 2; background: #fff; color: #2a0f40; margin-block: auto; }
.teaser-bottom-info { position: relative; z-index: 2; display: grid; gap: 2px; }
.teaser-bottom-info b { font-size: 17px; }
.teaser-bottom-info small { opacity: .9; }

.cd-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: clamp(20px, 3vw, 40px); align-items: start; padding-bottom: 40px; }
.cd-content { min-width: 0; display: grid; gap: 28px; }
.cd-tabs { position: sticky; top: 72px; z-index: 5; display: flex; gap: 4px; padding: 4px; background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: var(--r-pill); overflow-x: auto; scrollbar-width: none; }
.cd-tabs::-webkit-scrollbar { display: none; }
.course-nav-item { flex: none; display: inline-flex; align-items: center; min-height: 44px; padding: 6px 16px; border-radius: var(--r-pill); font-weight: 700; font-size: 14px; color: var(--ink-2); white-space: nowrap; }
.course-nav-item.active { background: var(--grad-primary); color: #fff; }
.cd-block { display: grid; gap: 14px; scroll-margin-top: 140px; }
.cd-block > h2, .cd-block-head h2 { display: flex; align-items: center; gap: 10px; }
.cd-block h2 .svg-icon { color: var(--accent); }
.cd-block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.cd-hint { margin: 0; color: var(--muted); font-size: 14px; }
.cd-points { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.cd-points li { display: flex; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.cd-points .svg-icon { color: var(--ok); flex: none; margin-top: 2px; }

.curriculum-list { display: grid; gap: 10px; }
.lesson-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); transition: border-color .2s, transform .25s var(--ease); }
.lesson-item:hover { border-color: var(--c-4); transform: translateY(-2px); }
.lesson-item.is-preview-item { border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); }
.lesson-info-left { display: flex; gap: 12px; align-items: center; min-width: 0; flex: 1; }
.lesson-order-badge { flex: none; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 900; }
.lesson-texts { min-width: 0; }
.lesson-texts h4 { font-size: 15.5px; line-height: 1.6; }
.lesson-texts p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.lesson-action-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.lesson-duration-tag { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.lesson-badge-demo, .lesson-badge-locked { display: inline-flex; align-items: center; gap: 4px; }

.cd-instructor { display: flex; gap: 18px; align-items: flex-start; }
.cd-avatar { flex: none; display: grid; place-items: center; overflow: hidden; }
.cd-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.cd-instructor p { color: var(--ink-2); line-height: 1.9; }

.faq-list { display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); overflow: hidden; }
.faq-question { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; min-height: 52px; cursor: pointer; font-weight: 700; list-style: none; }
.faq-question::-webkit-details-marker { display: none; }
.faq-question .svg-icon { flex: none; transition: transform .25s var(--ease); color: var(--accent); }
.faq-item[open] .faq-question .svg-icon { transform: rotate(180deg); }
.faq-answer { padding: 0 16px 16px; color: var(--ink-2); line-height: 1.95; font-size: 14.5px; }

.cd-side { position: sticky; top: 92px; }
.cd-buy { display: grid; gap: 18px; }
.cd-price { display: grid; gap: 6px; }
.cd-price-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-height: 28px; }
.original-price { color: var(--muted); }
.cd-price-main { display: flex; align-items: baseline; gap: 8px; }
.price-amount { font-size: 34px; font-weight: 900; line-height: 1.2; }
.cd-free { font-size: 32px; }
.cd-actions { display: grid; gap: 10px; }
.cd-guarantees { display: grid; gap: 10px; padding-top: 16px; border-top: 1px dashed var(--line-strong); }
.cd-guarantees li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.cd-guarantees .svg-icon { color: var(--ok); flex: none; margin-top: 3px; }

.cd-related { background: var(--surface-2); margin-top: 8px; }
.cd-mobile-bar { display: none; }

@media (max-width: 980px) {
  .cd-hero-inner { grid-template-columns: 1fr; }
  .cd-layout { grid-template-columns: 1fr; }
  .cd-side { display: none; }
  .cd-tabs { top: 60px; }
  body.course-detail-page { padding-bottom: calc(var(--bar-h) + 100px + env(safe-area-inset-bottom, 0px)); }
  .cd-mobile-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: fixed; inset-inline: 10px; bottom: calc(var(--bar-h) + 22px + env(safe-area-inset-bottom, 0px));
    z-index: 40; padding: 10px 14px; border-radius: 22px; background: var(--glass); border: 1px solid var(--line-strong);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: var(--shadow-2);
  }
  .cd-mobile-price { display: grid; line-height: 1.3; min-width: 0; }
  .cd-mobile-price b { font-size: 18px; }
  .cd-mobile-price small, .cd-mobile-price del { color: var(--muted); font-size: 12px; }
  .cd-mobile-actions { display: flex; gap: 8px; align-items: center; }
}
@media (max-width: 560px) {
  .lesson-item { flex-direction: column; align-items: stretch; }
  .lesson-action-right { justify-content: space-between; }
  .cd-instructor { flex-direction: column; }
  .teaser-play-btn { width: 64px; height: 64px; }
}
@media (min-width: 981px) {
  body.course-detail-page { padding-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .teaser-play-btn::before { animation: none; }
  .lesson-item:hover { transform: none; }
}

/* neutralise the round "+" add-cart style where it is used as a full button */
.cd-actions .add-cart { width: 100%; height: auto; min-height: 48px; border-radius: var(--r-pill); display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--btn-bg, var(--surface)); color: var(--ink); border: 1px solid var(--line-strong); font-size: 15px; font-weight: 700; }
.cd-actions .add-cart:hover { transform: none; border-color: var(--c-4); }
.cd-mobile-actions .add-cart { width: 48px; height: 48px; flex: none; font-size: 15px; background: var(--surface); color: var(--ink); border: 1px solid var(--line-strong); }
.cd-mobile-actions .add-cart:hover { transform: none; }
@media (max-width: 980px) { .cd-mobile-bar { padding-inline: 14px 14px; padding-left: 66px; } .cd-tabs { top: 80px; } }
@media (max-width: 980px) {
  .cd-mobile-bar { gap: 8px; padding-left: 60px; }
  .cd-mobile-price { flex: none; }
  .cd-mobile-price b { font-size: 16px; white-space: nowrap; }
  .cd-mobile-actions { gap: 6px; min-width: 0; }
  .cd-mobile-actions .btn { padding-inline: 14px; font-size: 14px; white-space: nowrap; }
  .cd-mobile-actions .add-cart { width: 44px; height: 44px; }
}