/* Lesson Library only; lesson content, images and session ownership stay intact. */
body.lesson-library-practice .module-header h1 .btn-icon-inline { color: var(--sky); }
body.lesson-library-practice .module-header p { color: var(--muted); font-size: 15px; line-height: 1.7; }
body.lesson-library-practice .library-navigation { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
body.lesson-library-practice .btn { min-height: 48px; padding: 12px 16px; color: var(--muted); background: transparent; border-color: var(--border2); border-radius: 12px; font-size: 14px; font-weight: 500; line-height: 1.6; }
body.lesson-library-practice .btn:hover { color: var(--text); background: var(--surface2); }
body.lesson-library-practice .library-target-summary { color: var(--text); background: var(--practice-accent-wash); border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; margin-bottom: 24px; font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
body.lesson-library-practice .library-filters,
body.lesson-library-practice .library-panel { background: var(--practice-card); border-color: var(--border); border-radius: 16px; box-shadow: none; padding: 24px; }
body.lesson-library-practice .library-filters { border: 1px solid var(--border); margin-bottom: 24px; }
body.lesson-library-practice .filter-label { color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.6; margin-bottom: 12px; }
body.lesson-library-practice .library-levels,
body.lesson-library-practice .library-categories,
body.lesson-library-practice .library-topics { flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
body.lesson-library-practice .library-topics { margin-bottom: 0; }
body.lesson-library-practice :is(.level-pill,.category-tab,.topic-chip) { min-height: 44px; max-width: 100%; padding: 10px 14px; color: var(--muted); background: var(--bg); border-color: var(--border2); border-radius: 12px; font-size: 14px; font-weight: 500; line-height: 1.6; white-space: normal; overflow-wrap: anywhere; }
body.lesson-library-practice :is(.level-pill,.category-tab,.topic-chip):hover { border-color: var(--sky); }
body.lesson-library-practice :is(.level-pill,.category-tab,.topic-chip).active { color: var(--sky); background: var(--practice-accent-wash); border-color: var(--sky); }
body.lesson-library-practice :is(.level-pill,.category-tab) .count { color: var(--muted); font-weight: 400; margin-inline-start: 8px; }
body.lesson-library-practice .library-panel h2 { color: var(--text); font-size: 24px; font-weight: 500; line-height: 1.5; margin-bottom: 12px; overflow-wrap: anywhere; }
body.lesson-library-practice .library-panel .sub { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 24px; overflow-wrap: anywhere; }
body.lesson-library-practice .template-card { background: var(--bg); border-color: var(--border); border-radius: 14px; padding: 0; margin-bottom: 24px; }
body.lesson-library-practice .template-card summary { padding: 20px; color: var(--sky); cursor: pointer; }
body.lesson-library-practice .template-kicker { display: inline; color: var(--sky); font-size: 15px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; }
body.lesson-library-practice .template-candos { display: block; color: var(--text); background: var(--practice-accent-wash); border-left-color: var(--sky); font-size: 16px; font-weight: 400; line-height: 1.7; margin: 16px 0; padding: 16px; }
body.lesson-library-practice .template-toggle-hint { display: block; color: var(--muted); font-size: 13px; line-height: 1.7; }
body.lesson-library-practice .template-grid { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 20px; border-top: 1px solid var(--border); gap: 20px; }
body.lesson-library-practice .template-field { min-width: 0; }
body.lesson-library-practice .template-field span.lbl,
body.lesson-library-practice .template-pacing span.lbl { color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; margin-bottom: 12px; }
body.lesson-library-practice .template-pills { gap: 10px; }
body.lesson-library-practice .template-pill { max-width: 100%; color: var(--text); background: var(--practice-card); border-color: var(--border); border-radius: 10px; padding: 6px 10px; font-size: 13px; font-weight: 400; line-height: 1.7; overflow-wrap: anywhere; }
body.lesson-library-practice .template-list { color: var(--muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
body.lesson-library-practice .template-pacing { color: var(--muted); font-size: 14px; line-height: 1.7; padding-top: 20px; }
body.lesson-library-practice .lesson-grid { grid-template-columns: repeat(auto-fit,minmax(min(100%,280px),1fr)); gap: 20px; }
body.lesson-library-practice .lesson-card { min-width: 0; padding: 20px; background: var(--practice-card); border-color: var(--border); border-radius: 16px; color: var(--muted); text-align: start; }
body.lesson-library-practice .lesson-card:hover { border-color: var(--border2); }
body.lesson-library-practice .lesson-card-thumb { max-width: 100%; object-fit: contain; background: var(--bg); border-radius: 12px; margin: 0 0 20px; }
body.lesson-library-practice .lesson-card-unit { color: var(--muted); font-size: 13px; font-weight: 500; line-height: 1.7; letter-spacing: 0; text-transform: none; margin-bottom: 12px; flex-wrap: wrap; }
body.lesson-library-practice .lesson-card-title { color: var(--text); font-family: 'Manrope',sans-serif; font-size: 22px; font-weight: 500; line-height: 1.5; margin-bottom: 12px; overflow-wrap: anywhere; }
body.lesson-library-practice .lesson-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 16px; overflow-wrap: anywhere; }
body.lesson-library-practice .lesson-card-meta { gap: 10px; margin-bottom: 12px; }
body.lesson-library-practice :is(.lesson-free-badge,.lesson-shape-badge,.lesson-type-badge,.lesson-topic-badge) { max-width: 100%; border-radius: 8px; padding: 5px 9px; font-size: 12px; font-weight: 500; line-height: 1.7; letter-spacing: 0; overflow-wrap: anywhere; }
body.lesson-library-practice .lesson-free-badge,
body.lesson-library-practice .lesson-topic-badge { color: var(--mint); background: var(--bg); }
body.lesson-library-practice .lesson-shape-badge { color: var(--sky); background: var(--practice-accent-wash); }
body.lesson-library-practice .lesson-type-badge { color: var(--muted); background: var(--bg); }
body.lesson-library-practice .lesson-prompt-preview { color: var(--muted); font-size: 13px; font-style: normal; line-height: 1.7; margin-top: 4px; padding-top: 16px; overflow-wrap: anywhere; }
body.lesson-library-practice .lesson-prompt-preview b { color: var(--text); font-weight: 500; }
body.lesson-library-practice .lesson-ready-note,
body.lesson-library-practice .lesson-ready-note.muted { color: var(--muted); font-size: 13px; font-weight: 400; font-style: normal; line-height: 1.7; margin: 16px 0; }
body.lesson-library-practice .lesson-start-btn { min-height: 48px; padding: 12px 16px; color: var(--practice-on-accent); background: var(--sky); border-color: var(--sky); border-radius: 12px; font-size: 14px; font-weight: 600; line-height: 1.6; margin-top: auto; }
body.lesson-library-practice .lesson-start-btn:hover { background: var(--sky2); }
body.lesson-library-practice :is(.lesson-start-btn,.level-pill,.category-tab,.topic-chip,.btn):disabled { color: var(--muted); background: var(--bg3); border-color: var(--border); opacity: 1; cursor: not-allowed; }
body.lesson-library-practice .lesson-start-status { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 12px; overflow-wrap: anywhere; }
body.lesson-library-practice .lesson-start-status.error { color: var(--coral); }
body.lesson-library-practice .library-empty { background: var(--bg); border-color: var(--border2); padding: 28px 20px; gap: 16px; }
body.lesson-library-practice .library-empty .icon { opacity: 1; color: var(--sky); }
body.lesson-library-practice .library-empty strong { color: var(--text); font-size: 20px; font-weight: 500; line-height: 1.6; }
body.lesson-library-practice .library-empty span { color: var(--muted); font-size: 14px; line-height: 1.7; }
@media (max-width: 700px) {
  body.lesson-library-practice .library-filters,
  body.lesson-library-practice .library-panel { padding: 20px; }
  body.lesson-library-practice .template-grid { grid-template-columns: minmax(0,1fr); }
  body.lesson-library-practice .library-navigation .btn { flex: 1 1 180px; }
  body.lesson-library-practice .library-categories .category-tab { flex: 1 1 180px; }
}