/**
 * Catálogo EAD — UI premium (dark glass, sticky header, empty state).
 * Escopo: .ead-catalog-page dentro de body.sgae-landing
 */

/* Oculta o alternador flutuante do layout base (header integrado) */
body.sgae-landing:has(.ead-catalog-page) .sgae-theme-switch--float {
  display: none !important;
}

body.sgae-landing:has(.ead-catalog-page) .landing-container {
  max-width: 1080px;
  padding: 0 1.25rem 3rem;
}

/* ── Tipografia ─────────────────────────────────────────────── */
.ead-catalog-page {
  --ead-bg: #0b0f19;
  --ead-accent: #38bdf8;
  --ead-accent-soft: #60a5fa;
  --ead-text: #f8fafc;
  --ead-muted: #94a3b8;
  --ead-glass-bg: rgba(255, 255, 255, 0.06);
  --ead-glass-border: rgba(255, 255, 255, 0.08);
  --ead-radius-lg: 20px;
  --ead-radius-md: 14px;
  --ead-transition: all 0.3s ease;

  font-family: 'Inter', 'Plus Jakarta Sans', system-ui, sans-serif;
  color: var(--ead-text);
  text-align: left;
}

.ead-catalog-page h1,
.ead-catalog-page h2 {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
}

/* ── Header sticky unificado ────────────────────────────────── */
.ead-catalog-header {
  position: sticky;
  top: 0;
  z-index: 200;
  margin: 0 -1.25rem 1.75rem;
  padding: 0.65rem 1.25rem;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ead-glass-border);
  transition: var(--ead-transition);
}

.ead-catalog-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1080px;
  margin: 0 auto;
}

.ead-catalog-header .sgae-theme-switch {
  flex-shrink: 0;
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(15, 23, 42, 0.65);
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.ead-catalog-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
}

.ead-catalog-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ead-muted);
}

.ead-catalog-breadcrumb li + li::before {
  content: '/';
  color: rgba(148, 163, 184, 0.55);
  font-weight: 400;
  pointer-events: none;
}

.ead-catalog-breadcrumb a {
  color: var(--ead-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.ead-catalog-breadcrumb a:hover,
.ead-catalog-breadcrumb a:focus-visible {
  color: var(--ead-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ead-catalog-breadcrumb [aria-current='page'] {
  color: var(--ead-accent);
  font-weight: 600;
}

/* ── Main / Hero ────────────────────────────────────────────── */
.ead-catalog-main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.ead-catalog-hero {
  text-align: center;
  padding: 2.25rem 1.75rem 2.5rem !important;
  margin-bottom: 0 !important;
  border-radius: var(--ead-radius-lg) !important;
  border: 1px solid var(--ead-glass-border) !important;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.03) 55%,
    rgba(56, 189, 248, 0.04) 100%
  ) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06) !important;
  transition: var(--ead-transition);
}

.ead-catalog-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ead-accent);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.28);
}

.ead-catalog-title {
  margin-bottom: 0.85rem !important;
  font-size: clamp(1.75rem, 5vw, 2.65rem) !important;
  font-weight: 800 !important;
  line-height: 1.15 !important;
  letter-spacing: -0.03em !important;
  background: linear-gradient(135deg, #f8fafc 0%, #bae6fd 45%, #38bdf8 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.ead-catalog-subtitle {
  color: var(--ead-muted) !important;
  font-size: clamp(1rem, 2.2vw, 1.125rem) !important;
  font-weight: 400 !important;
  line-height: 1.65 !important;
  max-width: 36rem;
  margin: 0 auto !important;
}

/* ── Alerta demo ────────────────────────────────────────────── */
.ead-catalog-alert {
  border-radius: var(--ead-radius-md);
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.1);
  color: var(--ead-text);
  font-size: 0.9rem;
  padding: 0.85rem 1.1rem;
}

/* ── Grid de cursos ─────────────────────────────────────────── */
.ead-catalog-list .ead-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.15rem;
}

.ead-catalog-list .ead-card {
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--ead-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.ead-catalog-list .ead-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
  border-color: rgba(56, 189, 248, 0.35);
}

.ead-catalog-list .ead-card-titulo {
  font-size: 1.08rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.ead-catalog-list .ead-card-meta {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 0.3rem;
}

.ead-catalog-list .ead-card-meta i {
  color: #38bdf8;
  width: 1rem;
  margin-right: 0.25rem;
}

.ead-catalog-list .ead-preco {
  font-weight: 800;
  color: #0369a1;
  font-size: 1.05rem;
  margin: 0.5rem 0 0.85rem;
}

.ead-catalog-list .ead-card .btn-primary {
  border-radius: 10px;
  font-weight: 600;
  padding: 0.55rem 1rem;
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  border: none;
  transition: var(--ead-transition);
}

.ead-catalog-list .ead-card .btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* ── Empty state ────────────────────────────────────────────── */
.ead-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.75rem;
  border-radius: var(--ead-radius-lg);
  border: 1px solid var(--ead-glass-border);
  background: var(--ead-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: var(--ead-transition);
}

.ead-empty-state__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
  height: 4.5rem;
  margin-bottom: 1.35rem;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.22);
  color: var(--ead-accent);
}

.ead-empty-state__icon svg {
  width: 2rem;
  height: 2rem;
}

.ead-empty-state__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 700;
  color: var(--ead-text);
  letter-spacing: -0.02em;
}

.ead-empty-state__text {
  margin: 0 0 1.75rem;
  max-width: 26rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ead-muted);
}

.ead-empty-state__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.ead-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--ead-transition);
}

.ead-btn--primary {
  color: #0b0f19;
  background: linear-gradient(135deg, #38bdf8 0%, #60a5fa 100%);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.25);
}

.ead-btn--primary:hover,
.ead-btn--primary:focus-visible {
  color: #0b0f19;
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(56, 189, 248, 0.35);
}

.ead-btn--ghost {
  color: var(--ead-text);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.18);
}

.ead-btn--ghost:hover,
.ead-btn--ghost:focus-visible {
  color: var(--ead-accent);
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.08);
}

/* ── Light theme ────────────────────────────────────────────── */
[data-theme='light'] .ead-catalog-page {
  --ead-text: #0f172a;
  --ead-muted: #475569;
  --ead-glass-bg: rgba(255, 255, 255, 0.88);
  --ead-glass-border: rgba(15, 23, 42, 0.1);
}

[data-theme='light'] .ead-catalog-breadcrumb li + li::before {
  color: rgba(15, 23, 42, 0.35);
}

[data-theme='light'] .ead-catalog-header {
  background: rgba(248, 250, 252, 0.92);
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

[data-theme='light'] .ead-catalog-header .sgae-theme-switch {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(15, 23, 42, 0.12);
}

[data-theme='light'] .ead-catalog-hero {
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(248, 250, 252, 0.92) 100%
  ) !important;
  border-color: rgba(15, 23, 42, 0.1) !important;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08) !important;
}

[data-theme='light'] .ead-catalog-title {
  background: linear-gradient(135deg, #0f172a 0%, #0369a1 50%, #0ea5e9 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
}

[data-theme='light'] .ead-empty-state {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}

[data-theme='light'] .ead-btn--ghost {
  border-color: rgba(15, 23, 42, 0.15);
  color: #334155;
}

[data-theme='light'] .ead-btn--ghost:hover {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.08);
}

/* ── Responsivo ─────────────────────────────────────────────── */
@media (max-width: 575.98px) {
  .ead-catalog-header {
    margin-bottom: 1.25rem;
    padding: 0.55rem 1rem;
  }

  .ead-catalog-header__inner {
    flex-wrap: wrap;
  }

  .ead-catalog-breadcrumb ol {
    font-size: 0.8125rem;
  }

  .ead-catalog-hero {
    padding: 1.75rem 1.25rem 2rem !important;
  }

  .ead-empty-state {
    padding: 2.25rem 1.25rem;
  }

  .ead-empty-state__actions {
    flex-direction: column;
    width: 100%;
    max-width: 18rem;
  }

  .ead-empty-state__actions .ead-btn {
    width: 100%;
  }
}