/* indexes.css - Navegação ABM Estudos */

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #ec4899;
  --accent: #14b8a6;

  --bg-start: #f1f5f9;
  --bg-end: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.97);
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --border: rgba(99, 102, 241, 0.15);
  --border-subtle: rgba(0, 0, 0, 0.06);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 44px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-start: #0f172a;
    --bg-end: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.97);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: rgba(99, 102, 241, 0.25);
    --border-subtle: rgba(255, 255, 255, 0.07);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 44px rgba(0, 0, 0, 0.6);
  }
}

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

/* ── Body ───────────────────────────────────────────────── */
body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
  padding: 2rem 1rem;
}

/* Subtle ambient orbs */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(
      circle at 15% 85%,
      rgba(99, 102, 241, 0.08) 0%,
      transparent 55%
    ),
    radial-gradient(
      circle at 85% 15%,
      rgba(236, 72, 153, 0.08) 0%,
      transparent 55%
    );
  pointer-events: none;
  z-index: -1;
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: 20px;
  padding: 2rem 2.5rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  animation: fadeUp 0.45s ease-out both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.07),
    rgba(236, 72, 153, 0.07)
  );
  border-radius: 14px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  background: var(--card-bg);
  border: 1px solid transparent;
  transition:
    background 0.18s,
    color 0.18s,
    transform 0.18s,
    box-shadow 0.18s;
}

.breadcrumb a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.breadcrumb span {
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  color: #fff;
}

/* ── Section headings ───────────────────────────────────── */
h2 {
  margin: 1.75rem 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

h2:first-of-type {
  margin-top: 0.25rem;
}

/* Subgrupo dentro de Documentos Complementares */
h3.doc-group-title {
  margin: 1.1rem 0 0.5rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--border);
}

/* ── Lists ──────────────────────────────────────────────── */
.folder-list,
.file-list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.folder-list li,
.file-list li {
  display: flex;
  align-items: center;
  padding: 0.8rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.01)
  );
  transition:
    transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.22s,
    border-color 0.22s;
}

.folder-list li:hover,
.file-list li:hover {
  transform: translateX(6px) translateY(-1px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.folder-list a,
.file-list a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.18s;
}

.folder-list a:hover,
.file-list a:hover {
  color: var(--primary);
}

.folder-list a::before {
  content: "📂";
  margin-right: 10px;
  font-size: 1.2rem;
}

.file-list a::before {
  content: "📝";
  margin-right: 10px;
  font-size: 1.2rem;
}

/* ── Grids ──────────────────────────────────────────────── */
.article-grid {
  grid-template-columns: repeat(2, 1fr);
}

.study-grid,
.documents-grid {
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}

/* Coloured left-border accents */
.study-grid li {
  border-left: 3px solid transparent;
}
.study-grid a[href*="_info"] {
  border-left-color: #3b82f6;
}
.study-grid a[href*="_mapa"] {
  border-left-color: #8b5cf6;
}
.study-grid a[href*="_present"],
.study-grid a[href*="_apresentacao"] {
  border-left-color: #ef4444;
}
.study-grid a[href*="resumo_visual"] {
  border-left-color: #10b981;
}
.study-grid a[href*="linha_tempo"] {
  border-left-color: #f59e0b;
}
.study-grid a[href*="fluxograma"] {
  border-left-color: #06b6d4;
}

.documents-grid a[href$=".pdf"] {
  border-left: 3px solid #ef4444;
}
.documents-grid a[href$=".doc"],
.documents-grid a[href$=".docx"] {
  border-left: 3px solid #3b82f6;
}
.documents-grid a[href$=".xls"],
.documents-grid a[href$=".xlsx"],
.documents-grid a[href$=".csv"] {
  border-left: 3px solid #10b981;
}
.documents-grid a[href$=".zip"],
.documents-grid a[href$=".rar"] {
  border-left: 3px solid #8b5cf6;
}
.documents-grid a[href$=".txt"],
.documents-grid a[href$=".rtf"] {
  border-left: 3px solid #9ca3af;
}
.documents-grid a[href*="exercicios"],
.documents-grid a[href*="questoes"] {
  border-left-color: #f59e0b;
}
.documents-grid a[href*="gabarito"] {
  border-left-color: #10b981;
}
.documents-grid a[href*="lei"],
.documents-grid a[href*="jurisprudencia"] {
  border-left-color: #6366f1;
}

/* ── EPUB list ──────────────────────────────────────────── */
.epub-list a::before {
  content: "📚";
}

/* ── Empty state ────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-secondary);
  font-style: italic;
  border: 2px dashed var(--border);
  border-radius: 16px;
  font-size: 1rem;
}

/* ── Footer ─────────────────────────────────────────────── */
footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .container {
    padding: 1.5rem 1.25rem;
  }
  .article-grid,
  .study-grid,
  .documents-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Print ───────────────────────────────────────────────── */
@media print {
  body {
    background: #fff;
    padding: 0.5in;
  }
  body::before {
    display: none;
  }
  .container {
    box-shadow: none;
    border: 1px solid #ddd;
    animation: none;
  }
  .breadcrumb a,
  .folder-list a,
  .file-list a {
    color: #000;
    text-decoration: underline;
  }
}