/**
 * Vertex Contas - Documentação Oficial
 * Estilo Enterprise Grade (Stripe/PayPal)
 * Design: fundo branco, slate-900, acentos indigo-600
 */

:root {
  --doc-primary: #4f46e5;
  --doc-primary-hover: #4338ca;
  --doc-slate: #0f172a;
  --doc-slate-600: #475569;
  --doc-slate-500: #64748b;
  --doc-slate-400: #94a3b8;
  --doc-slate-200: #e2e8f0;
  --doc-slate-100: #f1f5f9;
  --doc-white: #ffffff;
  --doc-note-bg: #eff6ff;
  --doc-note-border: #3b82f6;
  --doc-warning-bg: #fffbeb;
  --doc-warning-border: #f59e0b;
  --doc-sidebar-width: 260px;
  --doc-navbar-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--doc-slate);
  background: var(--doc-white);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  color: var(--doc-slate);
  line-height: 1.3;
}

h1 { font-size: 2rem; margin-top: 0; }
h2 { font-size: 1.5rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--doc-slate-200); }
h3 { font-size: 1.25rem; margin-top: 1.5rem; }
h4 { font-size: 1.1rem; margin-top: 1.25rem; }

p {
  margin: 0 0 1rem;
  color: var(--doc-slate-600);
}

a {
  color: var(--doc-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

code {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
  font-size: 0.875em;
  background: var(--doc-slate-100);
  padding: 0.15em 0.4em;
  border-radius: 0.25rem;
  color: var(--doc-slate);
}

/* Navbar fixa */
.doc-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--doc-navbar-height);
  background: var(--doc-white);
  border-bottom: 1px solid var(--doc-slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 1000;
}

.doc-navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.doc-navbar-brand img {
  height: 36px;
  width: auto;
}

.doc-navbar-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.doc-navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--doc-slate-600);
}
.doc-navbar-links a:hover {
  color: var(--doc-primary);
}

.doc-navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.25rem;
}

/* Layout principal */
.doc-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--doc-navbar-height);
}

/* Sidebar */
.doc-sidebar {
  width: var(--doc-sidebar-width);
  flex-shrink: 0;
  border-right: 1px solid var(--doc-slate-200);
  background: var(--doc-slate-100);
  padding: 1.5rem 0;
  position: sticky;
  top: var(--doc-navbar-height);
  height: calc(100vh - var(--doc-navbar-height));
  overflow-y: auto;
}

.doc-sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.doc-sidebar-nav li {
  margin: 0;
}
.doc-sidebar-nav a {
  display: block;
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
  color: var(--doc-slate-600);
}
.doc-sidebar-nav a:hover {
  background: var(--doc-slate-200);
  color: var(--doc-primary);
}
.doc-sidebar-nav .doc-nav-section {
  padding: 0.5rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--doc-slate-500);
}

/* Conteúdo */
.doc-content {
  flex: 1;
  padding: 2rem 3rem 4rem;
  max-width: 900px;
}

/* Callouts */
.doc-callout {
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin: 1rem 0;
  border-left: 4px solid;
}
.doc-callout-note {
  background: var(--doc-note-bg);
  border-color: var(--doc-note-border);
}
.doc-callout-warning {
  background: var(--doc-warning-bg);
  border-color: var(--doc-warning-border);
}
.doc-callout-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* Tabelas */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}
.doc-table th,
.doc-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--doc-slate-200);
}
.doc-table th {
  background: var(--doc-slate-100);
  font-weight: 600;
  color: var(--doc-slate);
  position: sticky;
  top: 0;
}
.doc-table tbody tr:nth-child(even) {
  background: var(--doc-slate-100);
}

/* Cards de links */
.doc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.doc-card {
  border: 1px solid var(--doc-slate-200);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.doc-card:hover {
  border-color: var(--doc-primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.1);
}
.doc-card-icon {
  font-size: 1.5rem;
  color: var(--doc-primary);
  margin-bottom: 0.75rem;
}
.doc-card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}
.doc-card p {
  margin: 0;
  font-size: 0.9rem;
}

/* Footer */
.doc-footer {
  border-top: 1px solid var(--doc-slate-200);
  padding: 2rem 3rem;
  margin-top: 3rem;
  background: var(--doc-slate-100);
}
.doc-footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
  justify-content: space-between;
}
.doc-footer-logo img {
  height: 40px;
  width: auto;
}
.doc-footer-credits {
  font-size: 0.875rem;
  color: var(--doc-slate-500);
}

/* Responsivo */
@media (max-width: 768px) {
  .doc-sidebar {
    position: fixed;
    left: -100%;
    top: var(--doc-navbar-height);
    width: 280px;
    height: calc(100vh - var(--doc-navbar-height));
    z-index: 999;
    transition: left 0.3s;
    box-shadow: 4px 0 12px rgba(0,0,0,0.1);
  }
  .doc-sidebar.open {
    left: 0;
  }
  .doc-navbar-toggle {
    display: block;
  }
  .doc-content {
    padding: 1.5rem;
  }
  .doc-footer {
    padding: 1.5rem;
  }
}

/* Overlay para mobile sidebar */
.doc-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
}
.doc-overlay.open {
  display: block;
}