/* ============================================
   NIVEAU 20 — LE RESPONSIVE DESIGN
   Styles spécifiques aux démonstrations responsive
   ============================================ */

/* ---------- BREAKPOINT VISUALIZER ---------- */
.breakpoint-viz {
  display: flex;
  gap: 0;
  border-radius: var(--rayon);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.bp-zone {
  flex: 1;
  padding: 0.6rem 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  transition: flex 0.3s;
}

.bp-zone.mobile { background: #16a34a; flex: 1; }
.bp-zone.tablet { background: #2563eb; flex: 1.2; }
.bp-zone.desktop { background: #7c3aed; flex: 1.5; }
.bp-zone.large { background: #dc2626; flex: 1.2; }

.bp-zone .bp-label {
  display: block;
  font-size: 0.7rem;
  opacity: 0.9;
  margin-top: 0.15rem;
}

/* ---------- MEDIA QUERY SYNTAX DEMO ---------- */
.mq-syntax-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.mq-example {
  text-align: center;
}

.mq-example .mq-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--couleur-texte-clair);
  font-family: var(--police-code);
  background: #f1f5f9;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.mq-example .mq-viewport {
  border: 2px dashed var(--couleur-bordure);
  border-radius: var(--rayon);
  background: #f8fafc;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.mq-example .mq-box {
  background: linear-gradient(135deg, var(--couleur-primaire), var(--couleur-secondaire));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
}

/* ---------- MOBILE FIRST VS DESKTOP FIRST ---------- */
.approach-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.approach-card {
  text-align: center;
}

.approach-card .approach-label {
  font-size: 0.85rem;
  font-weight: 600;
  background: #f1f5f9;
  padding: 0.3em 0.6em;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.approach-card .approach-label.mobile-first {
  background: #dcfce7;
  color: #166534;
}

.approach-card .approach-label.desktop-first {
  background: #ede9fe;
  color: #5b21b6;
}

.approach-flow {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.approach-flow .flow-step {
  background: #f8fafc;
  border: 1px solid var(--couleur-bordure);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

.approach-flow .flow-step.base {
  background: #dcfce7;
  border-color: #16a34a;
  color: #166534;
  font-weight: 600;
}

.approach-flow .flow-step.enhance {
  background: #ede9fe;
  border-color: #7c3aed;
  color: #5b21b6;
}

/* ---------- FLUID TYPOGRAPHY ---------- */
.fluid-type-demo {
  display: grid;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.fluid-sample {
  padding: 0.5rem;
  border-bottom: 1px solid var(--couleur-bordure);
}

.fluid-sample:last-child {
  border-bottom: none;
}

.fluid-sample .fluid-label {
  font-size: 0.7rem;
  color: var(--couleur-texte-clair);
  font-family: var(--police-code);
}

.fluid-h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
}

.fluid-h2 {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
}

.fluid-h3 {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
}

.fluid-p {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  line-height: 1.6;
}

.fluid-small {
  font-size: clamp(0.75rem, 1vw, 0.875rem);
}

/* ---------- FLUID SPACING ---------- */
.fluid-spacing-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.spacing-box {
  background: #f1f5f9;
  border: 2px dashed var(--couleur-primaire);
  border-radius: var(--rayon);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--couleur-texte-clair);
  padding: clamp(0.5rem, 2vw, 2rem);
  min-height: 80px;
}

/* ---------- RESPONSIVE PATTERNS ---------- */
.pattern-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.pattern-card {
  text-align: center;
}

.pattern-card .pattern-label {
  font-size: 0.85rem;
  font-weight: 600;
  background: #f1f5f9;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.pattern-card .pattern-box {
  border: 2px dashed var(--couleur-bordure);
  border-radius: var(--rayon);
  background: #f8fafc;
  padding: 0.5rem;
  min-height: 100px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.pattern-card .pattern-item {
  background: linear-gradient(135deg, var(--couleur-primaire), var(--couleur-secondaire));
  color: white;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

/* ---------- RESPONSIVE IMAGES ---------- */
.responsive-img-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.img-example {
  text-align: center;
}

.img-example .img-label {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--couleur-texte-clair);
}

.img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #a78bfa, #60a5fa);
  border-radius: var(--rayon);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.8rem;
}

.img-placeholder.cover {
  object-fit: cover;
}

.img-placeholder.contain {
  object-fit: contain;
  background: #f1f5f9;
  border: 2px dashed var(--couleur-bordure);
}

/* ---------- RESPONSIVE NAV ---------- */
.demo-responsive-nav {
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
  overflow: hidden;
}

.responsive-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--couleur-primaire);
  color: white;
}

.responsive-nav-bar .nav-logo {
  font-weight: 700;
  font-size: 1rem;
}

.responsive-nav-bar .nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
}

.responsive-nav-links {
  display: flex;
  gap: 0;
}

.responsive-nav-links a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background var(--transition);
}

.responsive-nav-links a:hover {
  background: rgba(255,255,255,0.15);
}

/* ---------- RESPONSIVE TABLE ---------- */
.responsive-table-demo {
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
  overflow-x: auto;
}

/* ---------- CONTAINER QUERIES ---------- */
.cq-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.cq-container {
  container-type: inline-size;
  container-name: card;
  border: 2px dashed var(--couleur-bordure);
  border-radius: var(--rayon);
  padding: 1rem;
  min-height: 150px;
}

.cq-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cq-card .cq-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--couleur-primaire), var(--couleur-secondaire));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.cq-card .cq-info h4 {
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.cq-card .cq-info p {
  font-size: 0.8rem;
  color: var(--couleur-texte-clair);
}

@container card (min-width: 350px) {
  .cq-card {
    flex-direction: row;
    align-items: center;
  }
}

/* ---------- BREAKPOINT GUIDE ---------- */
.breakpoint-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  background: var(--couleur-blanc);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
}

.bp-card {
  text-align: center;
  padding: 1rem;
  border-radius: var(--rayon);
}

.bp-card.bp-mobile {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  border: 1px solid #16a34a;
}

.bp-card.bp-tablet {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border: 1px solid #2563eb;
}

.bp-card.bp-desktop {
  background: linear-gradient(135deg, #ede9fe, #ddd6fe);
  border: 1px solid #7c3aed;
}

.bp-card.bp-large {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  border: 1px solid #dc2626;
}

.bp-card .bp-icon {
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
}

.bp-card .bp-name {
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.bp-card .bp-range {
  font-size: 0.75rem;
  color: var(--couleur-texte-clair);
  font-family: var(--police-code);
}

.bp-card .bp-use {
  font-size: 0.7rem;
  color: var(--couleur-texte-clair);
  margin-top: 0.3rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .approach-compare {
    grid-template-columns: 1fr;
  }

  .breakpoint-viz {
    flex-direction: column;
  }

  .responsive-nav-bar .nav-hamburger {
    display: block;
  }

  .responsive-nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background: var(--couleur-primaire-fonce);
  }

  .responsive-nav-links.active {
    display: flex;
  }

  .responsive-nav-links a {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .breakpoint-guide {
    grid-template-columns: repeat(2, 1fr);
  }
}