/**
 * Look & feel aligné sur talk.specificat.io (palette sombre + accent cyan).
 * Variables VitePress ajustées pour cohérence avec la nav et le contenu.
 */

:root {
  --talk-bg-dark: #050709;
  --talk-bg-medium: #0d1115;
  --talk-bg-light: #1b1f22;
  --talk-bg-gradient-start: #10151a;
  --talk-text-primary: #f5f5f5;
  --talk-text-muted: rgba(245, 245, 245, 0.9);
  --talk-text-subtle: rgba(245, 245, 245, 0.75);
  --talk-accent-cyan: #2bc9c6;
  --talk-accent-cyan-bg: rgba(43, 201, 198, 0.08);
  --talk-accent-cyan-border: rgba(43, 201, 198, 0.55);
  --talk-border-subtle: rgba(255, 255, 255, 0.12);
  --talk-border-very-subtle: rgba(255, 255, 255, 0.07);
  --talk-panel-glow: 0 0 0 1px rgba(43, 201, 198, 0.12);

  --vp-c-bg: var(--talk-bg-dark);
  --vp-c-bg-alt: var(--talk-bg-medium);
  --vp-c-bg-elv: var(--talk-bg-light);
  --vp-c-text-1: var(--talk-text-primary);
  --vp-c-text-2: var(--talk-text-muted);
  --vp-c-text-3: var(--talk-text-subtle);
  --vp-c-divider: var(--talk-border-subtle);
  --vp-c-brand-1: var(--talk-accent-cyan);
  --vp-c-brand-2: var(--talk-accent-cyan);
  --vp-c-brand-3: var(--talk-accent-cyan);
  --vp-c-brand-soft: var(--talk-accent-cyan-bg);
  --vp-button-brand-bg: transparent;
  --vp-button-brand-border: var(--talk-accent-cyan);
  --vp-button-brand-text: var(--talk-accent-cyan);
  --vp-nav-bg-color: rgba(5, 7, 9, 0.85);
  --vp-sidebar-bg-color: var(--talk-bg-medium);
  --vp-code-bg: var(--talk-accent-cyan-bg);
}

.dark {
  --vp-c-bg: var(--talk-bg-dark);
  --vp-c-bg-alt: var(--talk-bg-medium);
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  color: var(--talk-text-primary);
  background-color: var(--talk-bg-dark);
  background-image:
    radial-gradient(circle at 10% 0%, var(--talk-bg-gradient-start) 0%, var(--talk-bg-dark) 52%, var(--talk-bg-light) 100%),
    radial-gradient(ellipse 100% 80% at 50% -20%, rgba(43, 201, 198, 0.12), transparent 55%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 95% 75% at 50% 50%, transparent 35%, rgba(5, 7, 9, 0.35) 100%);
  z-index: 0;
}

#app,
.VPContent,
.VPDoc,
.VPDoc .content-container {
  position: relative;
  z-index: 1;
}

.VPNav {
  border-bottom: 1px solid var(--talk-border-very-subtle);
  backdrop-filter: blur(10px);
}

/* --- Page d’accueil (structure legacy) --- */
.talk-page {
  max-width: 960px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

.masthead {
  margin-bottom: 2rem;
}

.masthead h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.masthead-lead {
  margin: 0;
  font-size: 1.05rem;
  color: var(--talk-text-subtle);
  max-width: 42em;
  line-height: 1.55;
}

.masthead-lead strong {
  color: var(--talk-accent-cyan);
  font-weight: 600;
}

.masthead a {
  color: var(--talk-accent-cyan);
  text-decoration: none;
  font-weight: 500;
}

.masthead a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--talk-text-primary);
}

.intro {
  margin-bottom: 2.25rem;
}

.intro p {
  margin: 0 0 1rem;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--talk-text-muted);
  max-width: 52em;
}

.intro p:last-child {
  margin-bottom: 0;
}

.intro code {
  font-size: 0.9em;
  padding: 0.12em 0.35em;
  border-radius: 6px;
  background: var(--talk-accent-cyan-bg);
  border: 1px solid var(--talk-border-very-subtle);
}

/* --- QR (accueil) --- */
.qr-section {
  margin-bottom: 2.5rem;
}

.qr-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .qr-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.qr-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.25rem 1.35rem;
  border-radius: 12px;
  border: 1px solid var(--talk-border-subtle);
  background: rgba(13, 17, 21, 0.55);
  box-shadow: var(--talk-panel-glow), inset 0 1px 0 0 rgba(255, 255, 255, 0.03);
}

.qr-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--talk-accent-cyan);
}

.qr-card-desc {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--talk-text-subtle);
}

.qr-link {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--talk-accent-cyan);
  text-decoration: none;
  word-break: break-all;
}

.qr-link:hover,
.qr-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
  outline: none;
}

.qr-link:focus-visible {
  outline: 2px solid var(--talk-accent-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

.qrcode-wrap {
  padding: 0.5rem;
  background: #fff;
  border-radius: 8px;
  line-height: 0;
}

/* Cartes accueil : .qr-card est en align-items: flex-start */
.qr-card .qrcode-wrap {
  align-self: center;
}

.qrcode-wrap canvas,
.qrcode-wrap img {
  display: block;
  max-width: 100%;
  height: auto;
}

.qr-deck {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  margin: 1rem 0 1.5rem;
  text-align: center;
}

.qr-deck .qr-link {
  max-width: 100%;
}

.home-more {
  margin-top: 1.5rem;
}

/* --- Grille présentations (cartes type legacy) --- */
.talks-section {
  margin-bottom: 2rem;
}

.talks-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .talks-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

.talk-card {
  display: flex;
  flex-direction: column;
  padding: 1.15rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--talk-border-subtle);
  background: rgba(13, 17, 21, 0.55);
  box-shadow: var(--talk-panel-glow), inset 0 1px 0 0 rgba(255, 255, 255, 0.03);
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

a.talk-card:hover,
a.talk-card:focus-visible {
  border-color: var(--talk-accent-cyan-border);
  box-shadow:
    var(--talk-panel-glow),
    0 0 0 1px rgba(43, 201, 198, 0.18),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
  outline: none;
}

a.talk-card:focus-visible {
  outline: 2px solid var(--talk-accent-cyan);
  outline-offset: 2px;
}

.talk-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--talk-accent-cyan);
}

.talk-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--talk-text-muted);
}

.talk-card .meta {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--talk-text-subtle);
}

/* Liste présentations : carte avec actions */
.talk-card--list h2 a {
  color: var(--talk-accent-cyan);
  text-decoration: none;
}

.talk-card--list h2 a:hover {
  text-decoration: underline;
}

article.talk-card--list {
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

article.talk-card--list:hover {
  border-color: var(--talk-accent-cyan-border);
  box-shadow:
    var(--talk-panel-glow),
    0 0 0 1px rgba(43, 201, 198, 0.12);
}

.talk-card__actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Boutons (fiches + détail) */
.vp-button {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--talk-accent-cyan);
  color: var(--talk-accent-cyan);
  background: transparent;
  transition: background 0.15s ease;
}

.vp-button:hover {
  background: var(--talk-accent-cyan-bg);
}

.vp-button--alt {
  border-color: var(--talk-border-subtle);
  color: var(--talk-text-muted);
}

.pres-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

/* Titres pages intérieures */
.vp-doc h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Footer VitePress */
.VPFooter {
  border-top: 1px solid var(--talk-border-very-subtle);
  color: var(--talk-text-subtle);
  font-size: 0.85rem;
}

/* Local search / algolia si activé */
.VPLocalSearchBackdrop {
  z-index: 100;
}