/* ═══ Lists Page — Sage Theme ═══ */
:root {
  --primary: #62B85E;
  --primary-dark: #4C9948;
  --primary-light: #88CF85;
  --pale-green: #D8EBD7;
  --mint-surface: #F3F8F2;
  --warm-accent: #FFB74D;
  --text: #2A4A28;
  --text-muted: #3A3A3A;
  --bg: #F9F9F6;
  --card-bg: #FFFFFF;
  --border: #D8EBD7;
  --shadow: 0 2px 8px rgba(74, 148, 70, 0.12);
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-top: 56px;
  line-height: 1.6;
}

.lists-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

.lists-header {
  text-align: center;
  margin-bottom: 32px;
}
.lists-header h1 {
  font-size: 1.8rem;
  color: var(--primary-dark);
}
.lists-header .subtitle {
  color: var(--text-muted);
  margin-top: 4px;
  font-size: 0.95rem;
}

/* ── Recommended lists ── */
.recommended-section {
  margin-bottom: 40px;
}
.recommended-section h2 {
  font-size: 1.2rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
}
.recommended-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.recommended-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.recommended-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.recommended-card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.recommended-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.recommended-card .card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.recommended-card .card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}
.recommended-card .card-words {
  font-weight: 600;
  color: var(--primary);
}

/* ── Search bar ── */
.search-section {
  margin-bottom: 24px;
}
.search-bar {
  display: flex;
  gap: 12px;
  align-items: center;
}
.search-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 24px;
  font-size: 1rem;
  background: var(--card-bg);
  color: var(--text);
  outline: none;
}
.search-input:focus {
  border-color: var(--primary);
}
.search-input::placeholder { color: #999; }

/* ── Browse all lists ── */
.browse-section h2 {
  font-size: 1.2rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
}

/* ── List cards ── */
.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.list-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.list-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.list-card .list-name {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.list-card .list-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.list-card .list-words { font-weight: 600; color: var(--primary); }
.list-card .list-tier {
  background: var(--pale-green);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  text-transform: capitalize;
}

/* ── List detail view ── */
.list-detail {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.list-detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.list-detail-header h2 {
  flex: 1;
  color: var(--primary-dark);
}
.back-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  color: var(--text);
  font-size: 0.9rem;
}
.back-btn:hover { border-color: var(--primary); }

.start-learning-btn {
  padding: 8px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.start-learning-btn:hover { background: var(--primary-dark); }
.start-learning-btn:disabled { opacity: 0.5; cursor: default; }

/* ── Sublists ── */
.sublists-section {
  margin-top: 24px;
}
.sublists-section h3 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.sublist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.sublist-card {
  background: var(--mint-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.sublist-card:hover { border-color: var(--primary); }
.sublist-card .sublist-name {
  font-size: 0.9rem;
  font-weight: 500;
}
.sublist-card .sublist-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Word list view ── */
.word-list-view {
  margin-top: 20px;
}
.word-list-view h3 {
  margin-bottom: 12px;
  color: var(--primary-dark);
}
.word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}
.word-chip {
  padding: 6px 12px;
  background: var(--mint-surface);
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
  border: 1px solid var(--border);
}
.word-chip a {
  color: var(--text);
  text-decoration: none;
}
.word-chip a:hover { color: var(--primary); }

/* ── Pagination ── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.page-btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
}
.page-btn:hover { border-color: var(--primary); }
.page-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.page-btn:disabled { opacity: 0.4; cursor: default; }

/* ── Results count ── */
.results-count {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* ── Loading ── */
.loading-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 600px) {
  .lists-page { padding: 16px 12px 60px; }
  .recommended-grid { grid-template-columns: 1fr; }
  .list-grid { grid-template-columns: 1fr; }
  .word-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}