/**
 * Curriculum platform styles — extends theme.css.
 * Design tokens (colors, fonts, spacing) are inherited from :root in theme.css.
 */

/* ===== CURRICULUM NAV ===== */
.curriculum-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 15, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0 var(--space-md);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-brand img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
  color: var(--fg);
}

/* ===== CURRICULUM MAIN ===== */
.curriculum-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

/* ===== BROWSE HEADER ===== */
.curriculum-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.curriculum-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.curriculum-header h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.curriculum-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto var(--space-xs);
  line-height: 1.7;
}

.curriculum-sub {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* ===== MINDS GRID ===== */
.minds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-sm);
}

.mind-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: var(--space-md);
  text-decoration: none;
  color: var(--fg);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mind-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0.7;
}

.mind-card.mind-1::before { background: var(--mind-1); }
.mind-card.mind-2::before { background: var(--mind-2); }
.mind-card.mind-3::before { background: var(--mind-3); }
.mind-card.mind-4::before { background: var(--mind-4); }
.mind-card.mind-5::before { background: var(--mind-5); }
.mind-card.mind-6::before { background: var(--mind-6); }
.mind-card.mind-7::before { background: var(--mind-7); }
.mind-card.mind-8::before { background: var(--mind-8); }
.mind-card.mind-9::before { background: var(--mind-9); }
.mind-card.mind-10::before { background: var(--mind-10); }
.mind-card.mind-11::before { background: var(--mind-11); }
.mind-card.mind-12::before { background: var(--mind-12); }
.mind-card.mind-13::before { background: var(--mind-13); }

.mind-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.mind-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.mind-card.mind-1 .mind-num { color: var(--mind-1); }
.mind-card.mind-2 .mind-num { color: var(--mind-2); }
.mind-card.mind-3 .mind-num { color: var(--mind-3); }
.mind-card.mind-4 .mind-num { color: var(--mind-4); }
.mind-card.mind-5 .mind-num { color: var(--mind-5); }
.mind-card.mind-6 .mind-num { color: var(--mind-6); }
.mind-card.mind-7 .mind-num { color: var(--mind-7); }
.mind-card.mind-8 .mind-num { color: var(--mind-8); }
.mind-card.mind-9 .mind-num { color: var(--mind-9); }
.mind-card.mind-10 .mind-num { color: var(--mind-10); }
.mind-card.mind-11 .mind-num { color: var(--mind-11); }
.mind-card.mind-12 .mind-num { color: var(--mind-12); }
.mind-card.mind-13 .mind-num { color: var(--mind-13); }

.mind-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  margin: 0;
}

.mind-card.mind-1 .mind-title { color: var(--mind-1); }
.mind-card.mind-2 .mind-title { color: var(--mind-2); }
.mind-card.mind-3 .mind-title { color: var(--mind-3); }
.mind-card.mind-4 .mind-title { color: var(--mind-4); }
.mind-card.mind-5 .mind-title { color: var(--mind-5); }
.mind-card.mind-6 .mind-title { color: var(--mind-6); }
.mind-card.mind-7 .mind-title { color: var(--mind-7); }
.mind-card.mind-8 .mind-title { color: var(--mind-8); }
.mind-card.mind-9 .mind-title { color: var(--mind-9); }
.mind-card.mind-10 .mind-title { color: var(--mind-10); }
.mind-card.mind-11 .mind-title { color: var(--mind-11); }
.mind-card.mind-12 .mind-title { color: var(--mind-12); }
.mind-card.mind-13 .mind-title { color: var(--mind-13); }

.mind-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-style: italic;
}

.mind-desc-preview {
  font-size: 0.875rem;
  color: var(--fg-dim);
  line-height: 1.55;
  flex: 1;
}

.mind-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-dim);
  transition: color 0.2s;
  margin-top: auto;
}

.mind-card.mind-1 .mind-cta { color: var(--mind-1); }
.mind-card.mind-2 .mind-cta { color: var(--mind-2); }
.mind-card.mind-3 .mind-cta { color: var(--mind-3); }
.mind-card.mind-4 .mind-cta { color: var(--mind-4); }
.mind-card.mind-5 .mind-cta { color: var(--mind-5); }
.mind-card.mind-6 .mind-cta { color: var(--mind-6); }
.mind-card.mind-7 .mind-cta { color: var(--mind-7); }
.mind-card.mind-8 .mind-cta { color: var(--mind-8); }
.mind-card.mind-9 .mind-cta { color: var(--mind-9); }
.mind-card.mind-10 .mind-cta { color: var(--mind-10); }
.mind-card.mind-11 .mind-cta { color: var(--mind-11); }
.mind-card.mind-12 .mind-cta { color: var(--mind-12); }
.mind-card.mind-13 .mind-cta { color: var(--mind-13); }

.mind-card:hover .mind-cta {
  color: var(--fg-muted);
}

/* ===== DETAIL HERO ===== */
.mind-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: var(--space-lg);
}

.back-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--fg-dim);
  text-decoration: none;
  margin-bottom: var(--space-md);
  transition: color 0.2s;
  font-weight: 500;
}

.back-link:hover { color: var(--fg-muted); }

.mind-num-large {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 5rem;
  line-height: 1;
  opacity: 0.12;
  margin-bottom: -1rem;
  letter-spacing: -0.03em;
}

.mind-hero.mind-1 .mind-num-large { color: var(--mind-1); }
.mind-hero.mind-2 .mind-num-large { color: var(--mind-2); }
.mind-hero.mind-3 .mind-num-large { color: var(--mind-3); }
.mind-hero.mind-4 .mind-num-large { color: var(--mind-4); }
.mind-hero.mind-5 .mind-num-large { color: var(--mind-5); }
.mind-hero.mind-6 .mind-num-large { color: var(--mind-6); }
.mind-hero.mind-7 .mind-num-large { color: var(--mind-7); }
.mind-hero.mind-8 .mind-num-large { color: var(--mind-8); }
.mind-hero.mind-9 .mind-num-large { color: var(--mind-9); }
.mind-hero.mind-10 .mind-num-large { color: var(--mind-10); }
.mind-hero.mind-11 .mind-num-large { color: var(--mind-11); }
.mind-hero.mind-12 .mind-num-large { color: var(--mind-12); }
.mind-hero.mind-13 .mind-num-large { color: var(--mind-13); }

.mind-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.mind-hero.mind-1 .mind-hero-title { color: var(--mind-1); }
.mind-hero.mind-2 .mind-hero-title { color: var(--mind-2); }
.mind-hero.mind-3 .mind-hero-title { color: var(--mind-3); }
.mind-hero.mind-4 .mind-hero-title { color: var(--mind-4); }
.mind-hero.mind-5 .mind-hero-title { color: var(--mind-5); }
.mind-hero.mind-6 .mind-hero-title { color: var(--mind-6); }
.mind-hero.mind-7 .mind-hero-title { color: var(--mind-7); }
.mind-hero.mind-8 .mind-hero-title { color: var(--mind-8); }
.mind-hero.mind-9 .mind-hero-title { color: var(--mind-9); }
.mind-hero.mind-10 .mind-hero-title { color: var(--mind-10); }
.mind-hero.mind-11 .mind-hero-title { color: var(--mind-11); }
.mind-hero.mind-12 .mind-hero-title { color: var(--mind-12); }
.mind-hero.mind-13 .mind-hero-title { color: var(--mind-13); }

.mind-hero-tagline {
  font-size: 1.1rem;
  color: var(--fg-muted);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.mind-hero-desc {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 720px;
}

/* ===== AUDIENCE SELECTOR ===== */
.audience-selector {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
}

.selector-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: var(--space-xs);
}

.selector-pills {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.selector-pill {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--bg-surface);
  color: var(--fg-dim);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.2s;
}

.selector-pill:hover {
  background: var(--bg-card-hover);
  color: var(--fg-muted);
}

.selector-pill.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(212, 168, 83, 0.3);
}

.selector-desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  font-style: italic;
}

/* ===== A-F CYCLE BANNER ===== */
.af-cycle-banner {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: var(--space-md) var(--space-md) calc(var(--space-md) + 4px);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.af-cycle-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.af-cycle-phases {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.af-cycle-phase-tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--fg-muted);
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  letter-spacing: 0.05em;
}

.af-cycle-phase-tag--forge {
  color: #ff7a59;
  border-color: rgba(255, 122, 89, 0.3);
  background: rgba(255, 122, 89, 0.08);
}

.af-cycle-desc {
  font-size: 0.875rem;
  color: var(--fg-dim);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 auto;
}

/* ===== A-F 6-PHASE GRID ===== */
.af-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 900px) {
  .af-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.af-phase-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}

.af-phase-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Phase header — colored by Mind number */
.af-phase-header {
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.af-phase-letter {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: rgba(212, 168, 83, 0.3);
  flex-shrink: 0;
  min-width: 2.5rem;
  text-align: center;
}

.af-phase-letter--forge {
  color: #ff7a59;
}

.af-forge-icon {
  font-size: 1.5rem;
  line-height: 1;
  vertical-align: middle;
  margin-left: 2px;
}

.af-phase-header-text {
  flex: 1;
}

.af-phase-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 0.2rem;
  color: var(--fg);
  letter-spacing: 0.01em;
}

.af-phase-brief {
  font-size: 0.8rem;
  color: var(--fg-dim);
  line-height: 1.5;
  margin: 0;
}

/* Phase body */
.af-phase-body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Section header row */
.af-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.af-section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.af-section-icon {
  font-size: 0.85rem;
  line-height: 1;
}

.af-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* Prompt list */
.af-prompt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.af-prompt-item {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.af-prompt-item::before {
  content: '·';
  position: absolute;
  left: 0.3rem;
  color: var(--accent);
  font-weight: 700;
}

/* Activity list */
.af-activity-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.af-activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.af-activity-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(212, 168, 83, 0.1);
  border-radius: 4px;
  width: 1.4rem;
  height: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.af-activity-text {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.55;
}

/* ===== MIND NAVIGATION ===== */
.mind-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.mind-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s;
  min-width: 160px;
}

.mind-nav-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.1);
}

.mind-nav-btn--next {
  text-align: right;
}

.nav-dir {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.nav-name {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .curriculum-main {
    padding: var(--space-lg) var(--space-sm) var(--space-xl);
  }

  .minds-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .mind-card {
    padding: 1.25rem;
  }

  .phase-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: var(--space-sm);
  }

  .nav-link {
    font-size: 0.8rem;
  }

  .mind-num-large {
    font-size: 3.5rem;
  }

  .mind-nav {
    flex-direction: column;
  }

  .mind-nav-btn--next {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .selector-pills {
    gap: 0.5rem;
  }
  .selector-pill {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
  }
}