:root {
  --navy: #0e2f57;
  --navy-2: #16385c;
  --navy-tint: #eaf0f6;
  --red: #e0342c;
  --texto: #22303f;
  --secundario: #5c6b7a;
  --borda: #dfe4ea;
  --fundo: #ffffff;
  --card: #ffffff;
  --sidebar-w: 272px;
  --header-h: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
  line-height: 1.55;
}

a { color: var(--navy); }

/* ===== Topbar ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  box-shadow: 0 1px 0 rgba(0,0,0,.15);
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #fff;
}
.site-header .logo {
  background: #fff;
  padding: 5px 9px;
  border-radius: 7px;
  height: 38px;
  width: auto;
}
.site-header .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.site-header .brand-text strong { font-size: 1.05rem; }
.site-header .brand-text small { color: #c6d4e6; font-size: 0.78rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px;
  cursor: pointer;
}
.menu-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; }

/* ===== Layout: sidebar + conteúdo ===== */
.layout {
  display: flex;
  align-items: flex-start;
}

.sidebar {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  position: sticky;
  top: var(--header-h);
  align-self: flex-start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  border-right: 1px solid var(--borda);
  padding: 24px 16px 40px;
  background: var(--fundo);
}

.sidebar-search {
  display: block;
  width: 100%;
  margin-bottom: 18px;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--texto);
  background: var(--fundo);
  border: 1px solid var(--borda);
  border-radius: 8px;
  outline: none;
}
.sidebar-search:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 2px var(--navy-tint);
}
.sidebar-search::placeholder { color: var(--secundario); }

.sidebar-empty {
  color: var(--secundario);
  font-size: 0.88rem;
  padding: 0 12px;
}

.nav-section { margin-bottom: 22px; }
.nav-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 0 10px 6px;
  border-left: 4px solid var(--red);
  margin-bottom: 6px;
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { margin: 0; }
.sidebar li a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--secundario);
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
}
.sidebar li a:hover { background: var(--navy-tint); color: var(--navy); }
.sidebar li a.active {
  background: var(--navy-tint);
  color: var(--navy);
  font-weight: 600;
  border-left-color: var(--red);
}

.overlay { display: none; }

/* ===== Conteúdo ===== */
.content {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 900px;
  padding: 34px 40px 70px;
}

.intro { color: var(--secundario); margin-top: 0; }

/* ===== Home ===== */
.home h1 { color: var(--navy); margin-top: 0; }

/* ===== Documento ===== */
.doc h1 { color: var(--navy); font-size: 1.8rem; margin: 0 0 6px; }
.doc-summary { color: var(--secundario); font-size: 1.05rem; margin: 0 0 8px; }
.doc h2 {
  color: var(--navy);
  font-size: 1.32rem;
  border-bottom: 2px solid var(--red);
  padding-bottom: 8px;
  margin: 36px 0 14px;
  scroll-margin-top: calc(var(--header-h) + 12px);
}
.doc h3 { color: var(--navy); font-size: 1.08rem; margin: 24px 0 6px; }
.doc p { color: var(--secundario); }

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 14px 0;
  display: block;
  overflow-x: auto;
}
.doc th, .doc td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--borda);
  vertical-align: top;
}
.doc th {
  background: var(--navy-tint);
  color: var(--navy);
  font-weight: 600;
  white-space: nowrap;
}

.doc code {
  background: var(--navy-tint);
  color: var(--navy);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.88em;
}

.doc blockquote {
  background: #fff8e1;
  border: 1px solid #f0c343;
  border-left: 4px solid #f0c343;
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  color: #6b5200;
}
.doc blockquote p { color: inherit; margin: 0; }

/* Sumário gerado pelo kramdown ({:toc}) */
#markdown-toc {
  background: var(--card);
  border: 1px solid var(--borda);
  border-left: 4px solid var(--red);
  border-radius: 10px;
  padding: 16px 22px 16px 40px;
  margin: 0 0 28px;
  font-size: 0.92rem;
}
#markdown-toc::before {
  content: "Nesta página";
  display: block;
  margin-left: -20px;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--navy);
}
#markdown-toc li { margin-bottom: 4px; }
#markdown-toc a { color: var(--navy); text-decoration: none; }
#markdown-toc a:hover { text-decoration: underline; }

/* ===== Rodapé ===== */
.site-footer {
  text-align: center;
  color: var(--secundario);
  font-size: 0.85rem;
  padding: 20px;
  border-top: 1px solid var(--borda);
}

/* ===== Responsivo ===== */
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    z-index: 25;
    height: calc(100vh - var(--header-h));
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 2px 0 16px rgba(0,0,0,.12);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .overlay {
    display: block;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 24;
    background: rgba(0,0,0,.35);
  }
  .content { padding: 26px 18px 50px; max-width: none; }
}