/*
 * CSS du blog — aligné sur les design tokens de HomePage.vue (.landing-root).
 *
 * Fichier PLAT et séparé : les blocs <style> des SFC ne sont pas extraits par
 * ssrLoadModule. build-blog.mjs le hashe et le copie dans dist/blog-assets/.
 *
 * Tous les sélecteurs sont préfixés .blog-root, comme .landing-root, pour éviter
 * toute fuite. Les tokens sont dupliqués volontairement : la landing les scope à
 * son composant, ils ne sont donc pas accessibles globalement.
 */

.blog-root {
  /* Brand — identiques à .landing-root */
  --brand-purple: #7c4dff;
  --brand-blue: #536dfe;
  --brand-soft: #667eea;
  --accent-cyan: #00e5ff;
  --accent-pink: #ff3d9a;

  /* Surfaces */
  --bg-0: #08081a;
  --bg-1: #0d0d22;
  --bg-2: #12122e;
  --glass: rgba(255, 255, 255, 0.05);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);

  /* Text */
  --text-1: #f4f4fb;
  --text-2: #b8b8d0;
  --text-3: #7a7aa0;

  /* Fonts */
  --font-display: 'Bricolage Grotesque Variable', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono Variable', ui-monospace, monospace;

  /* Radius */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --blog-max: 760px;

  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

.blog-root *,
.blog-root *::before,
.blog-root *::after {
  box-sizing: border-box;
}

.blog-root a {
  color: inherit;
  text-decoration: none;
}

.blog-root img {
  display: block;
  max-width: 100%;
}

/* Grain — identique à la landing */
.blog-root .grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");
}

/* Halo violet de fond, dans l'esprit des orbes de la landing */
.blog-root .halo {
  position: fixed;
  top: -25%;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 700px;
  max-width: 150vw;
  background: radial-gradient(ellipse at center, rgba(124, 77, 255, 0.18), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ========== NAV (pilule flottante, comme .lp-nav) ========== */

.blog-root .blog-nav-bar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: calc(100% - 32px);
  max-width: 1220px;
  background: rgba(13, 13, 34, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 12px 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.blog-root .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.blog-root .brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 20px rgba(124, 77, 255, 0.45));
}

.blog-root .brand-dot-ai {
  color: var(--brand-soft);
}

.blog-root .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-root .nav-link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-2);
  border-radius: 100px;
  transition: all 0.2s ease;
}

.blog-root .nav-link:hover {
  color: var(--text-1);
  background: var(--glass);
}

.blog-root .lp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.blog-root .lp-btn-primary {
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-blue));
  color: #fff;
  box-shadow:
          0 4px 16px -4px rgba(124, 77, 255, 0.6),
          inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.blog-root .lp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
          0 10px 30px -5px rgba(124, 77, 255, 0.7),
          inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

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

.blog-root .blog-main {
  flex: 1;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--blog-max);
  margin: 0 auto;
  padding: 128px clamp(20px, 5vw, 24px) 96px;
}

.blog-root .blog-main.is-index {
  max-width: 1120px;
}

/* ========== BARRE LATÉRALE (pages article) ========== */

/* Sous 1100px la colonne latérale passe SOUS l'article : la caser à côté
   rognerait la largeur de lecture, qui prime sur la navigation annexe. */
.blog-root .blog-main.has-aside {
  max-width: var(--blog-max);
}

.blog-root .blog-aside {
  margin-top: 64px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.blog-root .blog-aside-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}

.blog-root .blog-aside-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 4px;
}

.blog-root .blog-aside-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  margin: 0 -8px;
  border-radius: var(--r-md);
  transition: background 0.2s ease;
}

.blog-root .blog-aside-list a:hover {
  background: var(--glass);
}

.blog-root .blog-aside-list img {
  width: 72px;
  height: 41px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
}

.blog-root .blog-aside-list span {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-2);
  /* Deux lignes maximum : au-delà, les vignettes se désalignent et la
     colonne devient un pavé. Le titre complet reste dans le HTML. */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-root .blog-aside-list a:hover span {
  color: var(--text-1);
}

/* ========== PUCES DE CATÉGORIE ========== */

.blog-root .blog-chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Variante posée sous le titre d'un index, plutôt qu'en colonne. */
.blog-root .blog-chips.is-inline {
  margin: 0 0 40px;
}

.blog-root .blog-chips a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.2s ease;
}

.blog-root .blog-chips a:hover {
  color: var(--text-1);
  background: var(--glass-strong);
  border-color: var(--border-strong);
}

.blog-root .blog-chips a.is-current {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-blue));
  border-color: transparent;
}

.blog-root .blog-chip-count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.6;
}

/* ========== BREADCRUMB ========== */

.blog-root .blog-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 32px;
}

.blog-root .blog-breadcrumb a:hover {
  color: var(--text-1);
}

.blog-root .blog-breadcrumb [aria-current='page'] {
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 24ch;
}

/* ========== META ========== */

.blog-root .blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
}

.blog-root .blog-category {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  color: var(--brand-soft);
  font-weight: 600;
  font-size: 12px;
}

/* ========== TITRES (dégradé identique à .hero-title-gradient) ========== */

.blog-root .blog-article h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  background: linear-gradient(135deg, #fff 0%, #bcd2ff 35%, #b79cff 65%, #ffb0dc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-root .blog-excerpt {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  margin: 0 0 40px;
  background: linear-gradient(135deg, var(--brand-purple) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-root .blog-hero {
  margin: 0 0 48px;
}

.blog-root .blog-hero img {
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
}

/* ========== SOMMAIRE ========== */

.blog-root .blog-toc {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 0 0 48px;
}

.blog-root .blog-toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin: 0 0 12px;
}

.blog-root .blog-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-root .blog-toc li {
  margin: 6px 0;
}

.blog-root .blog-toc-l3 {
  padding-left: 16px;
  font-size: 14px;
}

.blog-root .blog-toc a {
  color: var(--text-2);
  transition: color 0.2s ease;
}

.blog-root .blog-toc a:hover {
  color: var(--brand-soft);
}

/* ========== CORPS ========== */

.blog-root .blog-body {
  font-size: 17px;
  color: var(--text-2);
}

.blog-root .blog-body h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text-1);
  margin: 56px 0 16px;
  scroll-margin-top: 100px;
}

.blog-root .blog-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-1);
  margin: 36px 0 12px;
  scroll-margin-top: 100px;
}

.blog-root .blog-body p {
  margin: 0 0 20px;
}

.blog-root .blog-body strong {
  color: var(--text-1);
  font-weight: 600;
}

.blog-root .blog-body a {
  color: var(--brand-soft);
  text-decoration: underline;
  text-decoration-color: rgba(102, 126, 234, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease;
}

.blog-root .blog-body a:hover {
  text-decoration-color: var(--brand-soft);
}

.blog-root .blog-body ul,
.blog-root .blog-body ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.blog-root .blog-body li {
  margin: 8px 0;
}

.blog-root .blog-body li::marker {
  color: var(--brand-soft);
}

.blog-root .blog-body blockquote {
  border-left: 2px solid var(--brand-purple);
  margin: 32px 0;
  padding: 4px 0 4px 20px;
  color: var(--text-3);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
}

.blog-root .blog-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--accent-cyan);
}

.blog-root .blog-body pre {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0 0 24px;
}

.blog-root .blog-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-2);
}

.blog-root .blog-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 15px;
}

.blog-root .blog-body th,
.blog-root .blog-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.blog-root .blog-body th {
  background: var(--glass);
  color: var(--text-1);
  font-weight: 600;
}

.blog-root .blog-body img {
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  margin: 8px 0 24px;
}

.blog-root .blog-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* ========== FAQ ========== */

.blog-root .blog-faq {
  margin-top: 64px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--glass);
}

.blog-root .blog-faq > h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
}

.blog-root .blog-faq-item {
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.blog-root .blog-faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.blog-root .blog-faq-item h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-1);
  margin: 0 0 6px;
}

.blog-root .blog-faq-item p {
  margin: 0;
  color: var(--text-2);
}

/* ========== CTA ========== */

.blog-root .blog-cta {
  margin: 72px 0 0;
  padding: 40px 32px;
  border-radius: var(--r-xl);
  background:
          radial-gradient(ellipse at top, rgba(124, 77, 255, 0.22), transparent 70%),
          var(--bg-1);
  border: 1px solid var(--border-strong);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-root .blog-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent, rgba(0, 229, 255, 0.06), transparent);
}

.blog-root .blog-cta-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 10px;
  position: relative;
}

.blog-root .blog-cta-text {
  color: var(--text-2);
  margin: 0 0 28px;
  position: relative;
}

.blog-root .blog-cta .lp-btn {
  padding: 14px 32px;
  font-size: 15px;
  position: relative;
}

/* ========== TAGS ========== */

.blog-root .blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
}

.blog-root .blog-tags li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
}

/* ========== INDEX ========== */

.blog-root .blog-index-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #fff 0%, #bcd2ff 35%, #b79cff 65%, #ffb0dc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-root .blog-index-intro {
  font-size: 19px;
  color: var(--text-2);
  margin: 0 0 56px;
  max-width: 560px;
}

.blog-root .blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.blog-root .blog-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-root .blog-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 20px 50px -20px rgba(124, 77, 255, 0.45);
}

.blog-root .blog-card-link {
  display: block;
  height: 100%;
}

.blog-root .blog-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.blog-root .blog-card-body {
  padding: 24px 26px 28px;
}

.blog-root .blog-card-body h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-1);
  margin: 0 0 8px;
}

.blog-root .blog-card-body p {
  color: var(--text-3);
  margin: 0;
  font-size: 15px;
}

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

.blog-root .blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 56px;
  font-size: 14px;
  color: var(--text-3);
}

.blog-root .blog-pagination a {
  color: var(--text-2);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 22px;
  transition: all 0.2s ease;
}

.blog-root .blog-pagination a:hover {
  color: var(--text-1);
  border-color: var(--border-strong);
  background: var(--glass-strong);
}

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

.blog-root .blog-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  background: var(--bg-0);
  padding: 56px clamp(20px, 5vw, 40px) 32px;
}

.blog-root .footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.blog-root .footer-tagline {
  color: var(--text-3);
  font-size: 14px;
  margin: 8px 0 0;
}

.blog-root .blog-languages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.blog-root .blog-languages a {
  color: var(--text-3);
  font-size: 14px;
  transition: color 0.2s ease;
}

.blog-root .blog-languages a:hover {
  color: var(--text-1);
}

.blog-root .blog-languages a.is-current {
  color: var(--text-1);
  font-weight: 600;
}

.blog-root .footer-bottom {
  width: 100%;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  color: var(--text-3);
  font-size: 13px;
}

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

@media (min-width: 900px) {
  .blog-root .blog-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Deux colonnes seulement quand il reste la place pour la largeur de
   lecture ENTIÈRE plus la colonne latérale. En dessous, l'aside repasse
   dessous plutôt que de comprimer le texte. */
@media (min-width: 1100px) {
  .blog-root .blog-main.has-aside {
    max-width: 1120px;
    display: grid;
    grid-template-columns: minmax(0, var(--blog-max)) 260px;
    grid-template-areas:
      'breadcrumb breadcrumb'
      'article    aside';
    gap: 0 56px;
    align-items: start;
  }

  .blog-root .blog-main.has-aside > .blog-breadcrumb { grid-area: breadcrumb; }
  .blog-root .blog-main.has-aside > .blog-article { grid-area: article; }

  .blog-root .blog-aside {
    grid-area: aside;
    margin-top: 0;
    position: sticky;
    /* 128px de nav flottante + une respiration. */
    top: 112px;
  }
}

@media (max-width: 640px) {
  .blog-root .blog-nav-bar {
    padding: 8px 8px 8px 16px;
  }

  .blog-root .nav-links {
    display: none;
  }

  .blog-root .blog-main {
    padding-top: 100px;
  }
}