/* ============================================================
   Tuto-CRPE — components.css
   Header, navigation, boutons, cartes, badges, formulaires,
   hero, étapes, journal, footer, pages simples.
   ============================================================ */

/* ============================ HEADER ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -.02em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.brand-accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 4px;
  color: var(--muted);
  font-weight: 500;
  font-size: .95rem;
}
.main-nav a:hover {
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
}
.main-nav a.active {
  color: var(--text);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.icon-btn:hover {
  color: var(--text);
  background: var(--surface);
}
.icon-btn svg { width: 20px; height: 20px; }

/* Icônes thème : on n'affiche que celle opposée au mode actif */
.theme-toggle .icon-moon { display: none; }
html.dark .theme-toggle .icon-moon { display: block; }
html.dark .theme-toggle .icon-sun { display: none; }

/* Menu mobile */
.nav-toggle { display: none; }
@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px 16px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; font-size: 1rem; }
}

/* ============================ BADGES ============================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.badge-live {
  background: var(--success-soft);
  color: var(--success-soft-text);
}
.badge-soon {
  background: var(--warn-soft);
  color: var(--warn-soft-text);
}

/* ============================ BOUTONS ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  padding: 12px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); }

.btn-sm {
  padding: 8px 14px;
  font-size: .875rem;
  border-radius: 4px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
  align-items: center;
}

@media (max-width: 960px) {
}

/* ============================ CARTES ============================ */
.card-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 960px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}
.card-icon { font-size: 1.75rem; margin-bottom: 12px; }
.card h3 { margin-bottom: 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card > p {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: 16px;
  flex: 1;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}
@media (max-width: 800px) { }
@media (max-width: 900px) { }

.journal { display: grid; }
@media (max-width: 640px) { }

/* ============================ PAGES SIMPLES ============================ */
.page-hero {
  text-align: center;
  padding: 80px 24px 56px;
  max-width: 720px;
  margin-inline: auto;
}
.page-hero .badge { margin-bottom: 16px; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 600px; margin-inline: auto; }
.page-hero .hero-cta { justify-content: center; margin-top: 36px; }

/* Sous-titre de page (introduction détaillée) */
.page-intro {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  padding: 0 24px 48px;
}
.page-intro h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}
.page-intro > p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.page-intro .intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 24px;
  text-align: left;
}
.page-intro .intro-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: start;
  transition: transform .15s ease, border-color .15s ease;
}
.page-intro .intro-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}
.page-intro .intro-card h3 {
  font-size: .97rem;
  margin-bottom: 4px;
  font-weight: 700;
}
.page-intro .intro-card p {
  color: var(--muted);
  font-size: .88rem;
  margin: 0;
  line-height: 1.55;
}

@media (max-width: 640px) {
  .page-hero { padding: 64px 20px 44px; }
  .page-intro { padding: 0 20px 36px; }
  .page-intro .intro-grid { grid-template-columns: 1fr; }
  /* Cartes Leçons / S'entraîner : empiler sur mobile */
  .section .card-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
  /* Titres de groupes de leçons */
  .lecons-groupe > h2 { font-size: 1.25rem; text-align: center; }
  /* Cartes de leçons : empiler sur mobile */
  .lecons-groupe .card-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
  /* Notions couvertes : empiler sur mobile */
  .section-alt .card-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
}

/* ============================ PROSE (mentions légales) ============================ */
.prose { max-width: 780px; }
.prose h2 { margin-top: 44px; font-size: 1.35rem; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose strong { font-weight: 700; }

.callout {
  background: var(--primary-soft);
  color: var(--primary-soft-text);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: .95rem;
}
.callout p { margin: 0; }

/* ============================ FOOTER ============================ */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  padding: 48px 24px 32px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.footer-brand img { width: 28px; height: 28px; }
.footer-tag {
  color: var(--muted);
  font-size: .95rem;
  max-width: 360px;
  margin: 0;
}

.footer-heading {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  margin-bottom: 12px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.footer-col a {
  color: var(--text);
  font-size: .95rem;
}
.footer-col a:hover { color: var(--link); }
.footer-action {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.footer-action:hover { color: var(--link); }
.footer-offline-etat { display: block; margin-top: 4px; color: var(--muted); font-size: .85rem; }
.footer-offline-etat:empty { display: none; }

.footer-particip {
  background: var(--primary-soft);
  color: var(--primary-soft-text);
  padding: 14px 24px;
  font-size: .95rem;
  text-align: center;
}
.footer-particip a { font-weight: 700; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 24px 24px;
  color: var(--muted);
  font-size: .88rem;
}

/* Cartes de matières (accueil) : badge positionné dans la carte */
.card-large { position: relative; padding-top: 44px; }

/* États et informations communs */
.badge-warn { background: var(--warn-soft); color: var(--warn-soft-text); }
.footer-heading { font-weight: 700; }
.header-actions { margin-left: auto; }
.prose { min-width: 0; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }