/* Curriculum styling, shared across /curriculum (index) and the 5
   per-module pages /curriculum/<slug>. Phase 6 (2026-04-27) extracted
   this from curriculum/template.tmpl's inline <style> so the bytes
   ship once and cache across module-to-module navigation. */

#curriculum { --bg: #0f172a; --surface: #1e293b; --border: #334155; --text: #cbd5e1; --text-dim: #64748b; --white: #f8fafc; --amber: #f59e0b; --red: #ef4444; --green: #10b981; --blue: #3b82f6; }
#curriculum .container { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem; }
#curriculum header { border-bottom: 1px solid var(--border); padding: 1.5rem 0; margin-bottom: 2rem; }
#curriculum header h1 { color: var(--white); font-size: 2rem; margin-bottom: 0.25rem; }
#curriculum header p { color: var(--text-dim); font-size: 0.9rem; }
#curriculum .progress-bar { background: var(--surface); border-radius: 9999px; height: 8px; margin: 1rem 0; overflow: hidden; }
#curriculum .progress-fill { background: var(--amber); height: 100%; border-radius: 9999px; transition: width 0.3s; }
#curriculum .progress-text { color: var(--text-dim); font-size: 0.8rem; text-align: right; }

/* Module-card grid on the /curriculum index page. */
#curriculum .module-cards { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1rem 0 2rem; }
@media (min-width: 768px) { #curriculum .module-cards { grid-template-columns: 1fr 1fr; } }
#curriculum .module-card { display: block; padding: 1.25rem; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; transition: border-color 0.2s, transform 0.1s; }
#curriculum .module-card:hover { border-color: var(--amber); transform: translateY(-1px); }
#curriculum .module-card h2 { color: var(--white); font-size: 1.05rem; margin-bottom: 0.4rem; }
#curriculum .module-card p { color: var(--text-dim); font-size: 0.85rem; line-height: 1.5; margin-bottom: 0.5rem; }
#curriculum .module-card .meta { color: var(--amber); font-size: 0.75rem; font-weight: 600; }

/* Module-page sidebar: 5 module links, current highlighted. */
#curriculum .module-sidebar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; padding: 0.75rem; background: var(--surface); border-radius: 6px; font-size: 0.85rem; }
#curriculum .module-sidebar a { padding: 0.35rem 0.75rem; border-radius: 4px; color: var(--text-dim); }
#curriculum .module-sidebar a:hover { background: rgba(245, 158, 11, 0.1); color: var(--amber); }
#curriculum .module-sidebar a.current { background: rgba(245, 158, 11, 0.15); color: var(--amber); font-weight: 600; }

/* Lesson blocks (auto-expanded on module pages; the legacy accordion
   class js-accordion no longer applies). */
#curriculum .lesson { border-top: 1px solid var(--border); padding: 1.25rem; }
#curriculum .lesson-header { display: flex; align-items: flex-start; gap: 0.75rem; }
#curriculum .lesson-header input[type="checkbox"] { margin-top: 4px; accent-color: var(--amber); width: 18px; height: 18px; flex-shrink: 0; }
#curriculum .lesson-header .title { color: var(--white); font-weight: 500; font-size: 0.95rem; }
#curriculum .lesson-header .title.done { color: var(--text-dim); text-decoration: line-through; }
#curriculum .lesson-header .time { color: var(--text-dim); font-size: 0.75rem; white-space: nowrap; margin-left: auto; }
#curriculum .lesson-content { margin-top: 1rem; padding-left: 2.25rem; }
#curriculum .lesson-content p { margin-bottom: 0.75rem; }
#curriculum .lesson-content h4 { color: var(--white); margin: 1rem 0 0.5rem; font-size: 0.9rem; }
#curriculum .lesson-content ul, #curriculum .lesson-content ol { margin: 0.5rem 0 0.75rem 1.25rem; }
#curriculum .lesson-content li { margin-bottom: 0.3rem; }
#curriculum .lesson-content table { width: 100%; border-collapse: collapse; margin: 0.75rem 0; font-size: 0.85rem; }
#curriculum .lesson-content th { text-align: left; color: var(--text-dim); padding: 0.5rem; border-bottom: 1px solid var(--border); font-weight: 500; }
#curriculum .lesson-content td { padding: 0.5rem; border-bottom: 1px solid #1e293b; }
#curriculum .lesson.is-hidden { display: none; }

/* Callout boxes used inside lessons. */
#curriculum .takeaway { background: rgba(59,130,246,0.08); border-left: 3px solid var(--blue); padding: 0.75rem 1rem; border-radius: 0 6px 6px 0; margin: 0.75rem 0; font-size: 0.9rem; }
#curriculum .takeaway::before { content: "Key Takeaway: "; color: var(--blue); font-weight: 600; }
#curriculum .action { background: rgba(245,158,11,0.08); border-left: 3px solid var(--amber); padding: 0.75rem 1rem; border-radius: 0 6px 6px 0; margin: 0.75rem 0; font-size: 0.9rem; }
#curriculum .action::before { content: "Action Item: "; color: var(--amber); font-weight: 600; }
#curriculum .warning { background: rgba(239,68,68,0.08); border-left: 3px solid var(--red); padding: 0.75rem 1rem; border-radius: 0 6px 6px 0; margin: 0.75rem 0; font-size: 0.9rem; }
#curriculum .warning::before { content: "Warning: "; color: var(--red); font-weight: 600; }
#curriculum .quiz { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2); padding: 1rem; border-radius: 6px; margin: 0.75rem 0; }
#curriculum .quiz h4 { color: var(--green); margin: 0 0 0.5rem; }
#curriculum .art-ref { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--amber); }

/* Per-module search input. */
#curriculum .search { width: 100%; padding: 0.75rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--white); font-size: 0.9rem; margin-bottom: 1.5rem; }
#curriculum .search:focus { outline: none; border-color: var(--amber); }
#curriculum .search::placeholder { color: var(--text-dim); }

/* Prev/next pagination. */
#curriculum .module-pagination { display: flex; justify-content: space-between; gap: 1rem; margin: 2rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
#curriculum .module-pagination a { padding: 0.75rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--white); font-size: 0.9rem; flex: 1; max-width: 45%; }
#curriculum .module-pagination a:hover { border-color: var(--amber); color: var(--amber); }
#curriculum .module-pagination a.next { text-align: right; margin-left: auto; }
#curriculum .module-pagination .pagination-label { display: block; font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }

#curriculum a { color: var(--amber); text-decoration: none; }
#curriculum a:hover { color: #fbbf24; }

/* Fact-citation superscripts. Every load-bearing claim in a lesson
   is wrapped in a data-fact span followed by a fact-cite sup. See
   docs/CORPUS_PRINCIPLES.md P-C4 and docs/ai-act-facts.md. */
#curriculum sup.fact-cite { font-size: 0.65rem; font-weight: 600; margin-left: 0.15rem; vertical-align: super; line-height: 0; }
#curriculum sup.fact-cite a { display: inline-block; padding: 0 0.3rem; color: var(--amber); background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.25); border-radius: 3px; text-decoration: none; letter-spacing: 0.02em; }
#curriculum sup.fact-cite a:hover { background: rgba(245, 158, 11, 0.18); color: #fbbf24; }
#curriculum span[data-fact] { border-bottom: 1px dotted rgba(245, 158, 11, 0.35); }

@media (max-width: 640px) {
  #curriculum .container { padding: 1rem; }
  #curriculum header h1 { font-size: 1.5rem; }
  #curriculum .lesson-header .time { display: none; }
  #curriculum .module-pagination { flex-direction: column; }
  #curriculum .module-pagination a { max-width: 100%; }
}