:root {
  --portal-bg: #f8fafc;
  --portal-surface: #ffffff;
  --portal-ink: #111827;
  --portal-muted: #6b7280;
  --portal-accent: #0ea5e9;
  --portal-topbar: #221f20;
  --md-primary-fg-color: #221f20;
  --md-primary-fg-color--light: #2f2a2c;
  --md-primary-fg-color--dark: #171415;
  --md-accent-fg-color: #0ea5e9;
}

body,
.md-typeset {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: var(--portal-bg);
}

.md-header {
  background: linear-gradient(90deg, var(--portal-topbar), var(--portal-topbar));
}

.md-tabs {
  background: #2b2728;
}

.md-main {
  background: var(--portal-bg);
}

.md-sidebar {
  background: #f3f4f6;
  border-right: 1px solid #e5e7eb;
}

.md-nav__link--active,
.md-nav__link:focus,
.md-nav__link:hover {
  color: #0284c7 !important;
}

.md-nav__title {
  font-weight: 700;
}

.md-content {
  background: transparent;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  color: #0f172a;
  letter-spacing: 0.01em;
}

.md-typeset h1 {
  border-bottom: 3px solid #e5e7eb;
  padding-bottom: 0.35rem;
}

.md-typeset a {
  color: #0369a1;
}

.md-typeset a:hover {
  color: #0284c7;
}

.md-typeset pre,
.md-typeset code,
.md-typeset .highlight pre {
  border-radius: 10px;
}

.md-typeset blockquote {
  border-left: 4px solid var(--portal-accent);
  background: #f1f5f9;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
}

.md-typeset table:not([class]) {
  border-radius: 10px;
  overflow: hidden;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

.portal-hero {
  background: linear-gradient(120deg, #221f20 0%, #2f2a2c 100%);
  border-radius: 18px;
  color: #f8fafc;
  padding: 28px 26px;
  margin: 8px 0 20px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.18);
}

.portal-hero-logo {
  max-height: 56px;
  width: auto;
  display: block;
  margin-bottom: 12px;
}

.portal-hero h1 {
  color: #ffffff;
  border-bottom: 0;
  margin: 0 0 8px;
  padding: 0;
}

.portal-hero p {
  margin: 0;
  color: #d1d5db;
}

.portal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  margin: 6px 0 16px;
}

.portal-card {
  background: var(--portal-surface);
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 12px 11px;
  text-decoration: none;
  color: var(--portal-ink);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.07);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.portal-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  border-color: #bae6fd;
}

.portal-card h3 {
  margin: 0 0 4px;
  color: #0f172a;
  font-size: 1.05rem;
}

.portal-card p {
  margin: 0;
  color: var(--portal-muted);
  font-size: .88rem;
  line-height: 1.35;
}

/* Fallback para tema "mkdocs" clássico, se carregar sem Material */
.navbar,
.wy-nav-top {
  background: linear-gradient(90deg, var(--portal-topbar), var(--portal-topbar)) !important;
  border: 0 !important;
}

.navbar a,
.wy-nav-top a {
  color: #e5e7eb !important;
}

.bs-sidebar {
  background: #f3f4f6;
  border-right: 1px solid #e5e7eb;
}