/* ============================================
   DESIGN SYSTEM — Inspiré de Paper
   Polices : chargées via /css/fonts.css (auto-hébergé)
   Fallback système si fonts.css absent : Georgia / system-ui / monospace
   Pour générer fonts.css : bash scripts/setup_fonts.sh
   ============================================ */

/* ---- Variables : mode clair ---- */
:root {
  --bg:        #faf9f7;
  --bg-alt:    #f2f0ec;
  --surface:   #ffffff;
  --border:    #e2ddd8;
  --text:      #2c2825;
  --text-muted:#8a8079;
  --accent:    #b05a2f;
  --tag-bg:    #ede9e4;
  --code-bg:   #f2f0ec;

  --font-serif: 'Lora', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'DM Mono', monospace;

  --max-w: 680px;
  --radius: 4px;
  --transition: 0.2s ease;
}

/* ---- Variables : mode sombre ---- */
[data-theme="dark"] {
  --bg:        #1a1917;
  --bg-alt:    #232220;
  --surface:   #2a2926;
  --border:    #3a3835;
  --text:      #e8e4de;
  --text-muted:#7a756e;
  --accent:    #d4824f;
  --tag-bg:    #333130;
  --code-bg:   #232220;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   LAYOUT
   ============================================ */

.site-wrapper {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

main {
  flex: 1;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
  transition: color var(--transition);
}

.site-title:hover { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  transition: color var(--transition);
  font-weight: 400;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
  background: transparent;
}

/* Theme Toggle Switch */
.theme-toggle {
  display: flex;
  align-items: center;
  margin-left: 0.5rem;
}

.toggle-checkbox {
  display: none;
}

.toggle-label {
  position: relative;
  display: block;
  width: 36px;
  height: 20px;
  background: var(--accent);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-label::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: var(--bg);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle-checkbox:checked + .toggle-label::before {
  transform: translateX(16px);
}

.toggle-checkbox:focus-visible + .toggle-label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   HOME PAGE
   ============================================ */

.home-hero {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.home-hero h1 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.home-hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 520px;
  line-height: 1.7;
}

.hero-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding-bottom: 1px;
  transition: opacity var(--transition);
}

.hero-link:hover {
  opacity: 0.75;
}

/* Sections d'accueil */
.home-section {
  margin-bottom: 3rem;
}

.home-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.home-section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.home-section-header a.see-all {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.home-section-header a.see-all:hover {
  color: var(--accent);
}

/* Liste de posts sur la home */
.post-list-home {
  list-style: none;
}

.post-list-home li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.post-list-home li:last-child { border-bottom: none; }

.post-list-home a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.94rem;
  flex: 1;
  line-height: 1.4;
  transition: color var(--transition);
}

.post-list-home a:hover { color: var(--accent); }

.post-list-home .post-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* ============================================
   PAGE CARNET (BLOG)
   ============================================ */

.page-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.page-description {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.94rem;
}

/* Liste d'articles */
.article-list {
  list-style: none;
}

.article-card {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.article-card:first-child { border-top: 1px solid var(--border); }

.article-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.article-card h2 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.article-card h2 a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

.article-card h2 a:hover { color: var(--accent); }

.article-card .summary {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  font-size: 0.72rem;
  background: var(--tag-bg);
  color: var(--text-muted);
  padding: 0.18rem 0.55rem;
  border-radius: 2px;
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color var(--transition), background var(--transition);
}

.tag:hover {
  color: var(--accent);
  background: var(--bg-alt);
}

/* ============================================
   ARTICLE SINGLE
   ============================================ */

.article-header {
  padding: 2rem 0 1.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.article-header .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Corps de l'article */
.article-content {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.8;
  color: var(--text);
}

.article-content p { margin-bottom: 1.4em; }

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2.2em 0 0.7em;
  letter-spacing: -0.01em;
  color: var(--text);
}

.article-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.8em 0 0.5em;
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: opacity var(--transition);
}

.article-content a:hover { opacity: 0.75; }

.article-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: var(--accent);
}

.article-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4em;
}

.article-content li { margin-bottom: 0.35em; }

.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

/* Navigation between articles */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.article-nav a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.article-nav a span {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
  font-family: var(--font-serif);
  margin-top: 0.25rem;
}

.article-nav a:hover,
.article-nav a:hover span { color: var(--accent); }
.article-nav .next { text-align: right; }

/* ============================================
   PAGE PUBLICATIONS
   ============================================ */

.pub-list {
  list-style: none;
}

.pub-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1rem;
  align-items: start;
}

.pub-item:first-child { border-top: 1px solid var(--border); }

.pub-year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 0.25rem;
  min-width: 2.5rem;
}

.pub-content h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.pub-content h3 a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

.pub-content h3 a:hover { color: var(--accent); }

.pub-content h3 a::after {
  content: " ↗";
  font-size: 0.75em;
  color: var(--text-muted);
}

.pub-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pub-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.55;
}

/* ============================================
   PAGE FLUX
   ============================================ */

.flux-intro {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.flux-intro a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

.flux-intro a:hover { opacity: 0.75; }

.flux-list {
  list-style: none;
}

.flux-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

/* border-top uniquement sur la page /flux/, pas sur l'accueil */
.flux-list-page .flux-item:first-child { border-top: 1px solid var(--border); }

.flux-bullet {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.55rem;
}

.flux-item-content { flex: 1; }

.flux-item a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.4;
  transition: color var(--transition);
}

.flux-item a:hover { color: var(--accent); }

.flux-item a::after {
  content: " ↗";
  font-size: 0.75em;
  color: var(--text-muted);
}

.flux-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 0.15rem;
}

/* ============================================
   PAGE NOW
   ============================================ */

.now-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.now-updated {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.now-updated::before { content: "Mis à jour : "; }

.now-content {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.8;
}

.now-content p { margin-bottom: 1.4em; }

.now-content h2 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 2.5rem 0 0.75rem;
}

.now-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.pagination a,
.pagination span {
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: color var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.pagination a:hover { color: var(--accent); border-color: var(--accent); }
.pagination .current { color: var(--accent); border-color: var(--accent); }

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-icon-link:hover {
  color: var(--accent);
  background: transparent;
}

.footer-icon-link svg {
  flex-shrink: 0;
  display: block;
}

/* ============================================
   UTILITAIRES
   ============================================ */

.reading-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.separator {
  color: var(--border);
  user-select: none;
}

/* ============================================
   HUGO CITE — Citations & Bibliographie
   ============================================ */

.hugo-cite-intext {
  font-family: var(--font-sans);
  font-size: 0.82em;
  color: var(--text-muted);
  vertical-align: baseline;
}

.hugo-cite-intext a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding-bottom: 1px;
  transition: opacity var(--transition);
}

.hugo-cite-intext a:hover { opacity: 0.75; }

.hugo-cite-bibliography {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.hugo-cite-bibliography h2 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hugo-cite-bibliography-entry {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text);
}

.hugo-cite-bibliography-entry:last-child { border-bottom: none; }

.hugo-cite-bibliography-entry > *:first-child {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding-top: 0.1rem;
  text-align: right;
}

.hugo-cite-bibliography-entry > *:last-child { color: var(--text-muted); }

.hugo-cite-bibliography-entry em,
.hugo-cite-bibliography-entry i { color: var(--text); font-style: italic; }

.hugo-cite-bibliography-entry a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  transition: opacity var(--transition);
  word-break: break-all;
}

.hugo-cite-bibliography-entry a:hover { opacity: 0.75; }

/* Fallback dl/dt/dd */
.hugo-cite-bibliography dl { margin: 0; }

.hugo-cite-bibliography dt {
  float: left;
  clear: left;
  min-width: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-right: 0.75rem;
  padding-top: 0.75rem;
}

.hugo-cite-bibliography dd {
  padding: 0.75rem 0 0.75rem 2.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.hugo-cite-bibliography dd:last-child { border-bottom: none; }

/* Fallback ol/li */
.hugo-cite-bibliography ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: bib-counter;
}

.hugo-cite-bibliography ol li {
  counter-increment: bib-counter;
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.hugo-cite-bibliography ol li:last-child { border-bottom: none; }

.hugo-cite-bibliography ol li::before {
  content: counter(bib-counter);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-align: right;
  padding-top: 0.1rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 600px) {
  html { font-size: 16px; }

  .header-inner { flex-wrap: wrap; }
  .site-nav { gap: 0; }
  .site-nav a { padding: 0.25rem 0.5rem; font-size: 0.83rem; }

  .home-hero h1 { font-size: 1.6rem; }
  .article-header h1 { font-size: 1.5rem; }
  .page-title { font-size: 1.4rem; }

  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }

  .pub-item { grid-template-columns: 1fr; }
  .pub-year { margin-bottom: 0.25rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ============================================
   PRINT
   ============================================ */

@media print {
  .site-header, .site-footer, .theme-toggle { display: none; }
  .article-content { font-size: 11pt; }
}