/* ==========================================================================
   wiki·swiss — Feuille de style principale
   Ligne graphique : minimaliste, blanche, accent rouge #DC2626
   ========================================================================== */

:root {
  --color-primary: #DC2626;
  --color-primary-soft: #EF7C7C;
  --color-primary-dark: #B91C1C;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F9FAFB;
  --color-border: #E5E7EB;
  --color-border-strong: #D1D5DB;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container: 1200px;
  --transition: 200ms ease;
}

/* Reset basique */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
}
.site-header .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.site-header .logo-mark svg { width: 18px; height: 18px; }
.site-header .logo-text { letter-spacing: -0.01em; }
.site-header .logo-text .dot { color: var(--color-primary); }

.site-header .header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.lang-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.lang-selector:hover { background: var(--color-bg-soft); }
.lang-selector .globe { color: var(--color-text-muted); }
.lang-selector .flag { font-size: 16px; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 14px;
  background: #fff;
  transition: box-shadow var(--transition);
}
.user-chip:hover { box-shadow: var(--shadow-sm); }
.user-chip .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

/* ==========================================================================
   Hero (page d'accueil)
   ========================================================================== */
.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 24px 40px;
  text-align: center;
}
.hero .eyebrow {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 24px;
}
.hero h1 {
  font-size: 72px;
  font-weight: 800;
  margin: 0 0 24px;
  letter-spacing: -0.03em;
  color: var(--color-text);
}
.hero h1 .dot { color: var(--color-primary); }
.hero .subtitle {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 48px;
}

/* ==========================================================================
   Search box
   ========================================================================== */
.search-wrapper {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
}
.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 8px 8px 8px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.search-box:focus-within {
  border-color: var(--color-primary-soft);
  box-shadow: var(--shadow-md);
}
.search-box .search-icon { color: var(--color-text-muted); flex-shrink: 0; }
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
  padding: 16px 16px;
  color: var(--color-text);
  font-family: inherit;
}
.search-box input::placeholder { color: #9CA3AF; }
.search-box .submit-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.search-box .submit-btn:hover { background: var(--color-primary); transform: scale(1.05); }
.search-box .submit-btn:active { transform: scale(0.95); }
.search-box .submit-btn:disabled { opacity: 0.6; cursor: wait; }

/* Answer panel */
.answer-panel {
  max-width: 880px;
  margin: 24px auto 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 400ms ease, opacity 300ms ease, margin 300ms ease;
}
.answer-panel.open {
  max-height: 2000px;
  opacity: 1;
  margin-top: 24px;
}
.answer-panel-inner { padding: 32px; }
.answer-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.answer-panel-header .question-label {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}
.answer-panel-header .close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.answer-panel-header .close-btn:hover { background: var(--color-bg-soft); color: var(--color-text); }
.answer-content {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}
.answer-content h2, .answer-content h3 { color: var(--color-text); margin-top: 1.4em; }
.answer-content p { margin: 0 0 1em; }
.answer-content ul, .answer-content ol { padding-left: 1.5em; }
.answer-content li { margin-bottom: 0.4em; }
.answer-content a { color: var(--color-primary); }
.answer-content code {
  background: var(--color-bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

.loading-dots {
  display: inline-flex;
  gap: 6px;
  padding: 8px 0;
}
.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  animation: bounce 1.2s infinite ease-in-out;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.error-msg {
  color: var(--color-primary-dark);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

/* ==========================================================================
   Browse by theme
   ========================================================================== */
.themes-section {
  max-width: var(--container);
  margin: 80px auto 80px;
  padding: 0 24px;
}
.themes-section h2 {
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin: 0 0 48px;
}
.themes-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 16px;
}
.theme-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 8px;
  text-align: center;
  border-radius: var(--radius-md);
  transition: transform var(--transition), background var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.theme-card:hover {
  background: var(--color-bg-soft);
  transform: translateY(-2px);
  color: var(--color-text);
}
.theme-card .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: #fff;
  transition: background var(--transition);
}
.theme-card:hover .icon-circle { background: #FEF2F2; }
.theme-card .icon-circle svg { width: 28px; height: 28px; }
.theme-card .label {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
}

/* ==========================================================================
   Page de thème (sous-pages)
   ========================================================================== */
.page-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
}
.breadcrumb {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--color-border-strong); }

.page-title-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
}
.page-title-row .icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.page-title-row .icon-circle svg { width: 36px; height: 36px; }
.page-title-row h1 {
  font-size: 40px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
}
.page-intro {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 800px;
}

.page-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
}
.page-main h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.page-main h2:first-child { margin-top: 0; }
.page-main h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--color-text);
}
.page-main p { font-size: 16px; line-height: 1.7; margin: 0 0 16px; }
.page-main ul, .page-main ol { padding-left: 1.5em; margin: 0 0 16px; }
.page-main li { margin-bottom: 8px; line-height: 1.6; }
.page-main .info-box {
  background: #FEF9F0;
  border-left: 4px solid #F59E0B;
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  font-size: 15px;
}
.page-main .info-box strong { color: #92400E; }
.page-main .tip-box {
  background: #F0F9FF;
  border-left: 4px solid #0EA5E9;
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  font-size: 15px;
}
.page-main .tip-box strong { color: #075985; }

.page-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}
.page-sidebar .sidebar-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.page-sidebar .sidebar-card h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 12px;
}
.page-sidebar .sidebar-card ul { list-style: none; padding: 0; margin: 0; }
.page-sidebar .sidebar-card li { margin-bottom: 8px; }
.page-sidebar .sidebar-card a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.page-sidebar .sidebar-card a:last-child { border-bottom: none; }
.page-sidebar .sidebar-card a:hover { color: var(--color-primary); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  padding: 40px 24px 24px;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-inner p { margin: 0; font-size: 14px; color: var(--color-text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 14px; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .themes-grid { grid-template-columns: repeat(5, 1fr); }
  .page-content { grid-template-columns: 1fr; }
  .page-sidebar { position: static; }
}
@media (max-width: 720px) {
  .site-header { padding: 16px 20px; }
  .hero { padding: 48px 20px 24px; }
  .hero h1 { font-size: 48px; }
  .hero .subtitle { font-size: 16px; margin-bottom: 32px; }
  .search-box input { font-size: 15px; padding: 14px 12px; }
  .themes-section { margin: 48px auto; }
  .themes-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .page-title-row { flex-direction: column; align-items: flex-start; text-align: left; gap: 16px; }
  .page-title-row h1 { font-size: 32px; }
  .answer-panel-inner { padding: 20px; }
}
@media (max-width: 420px) {
  .themes-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
  .lang-selector .lang-code { display: none; }
}