/* ICTUS CME docs - estilo Fluent corporativo */
:root {
  --brand: #0078D4;
  --brand-dark: #005A9E;
  --brand-50: #EFF6FC;
  --brand-100: #DEECF9;
  --brand-700: #005A9E;
  --neutral-900: #1B1B1B;
  --neutral-800: #2B2B2B;
  --neutral-700: #424242;
  --neutral-500: #767676;
  --neutral-300: #D1D1D1;
  --neutral-200: #E1E1E1;
  --neutral-100: #F3F2F1;
  --neutral-50:  #FAF9F8;
  --neutral-0:   #FFFFFF;
  --success: #107C10;
  --warning: #C19C00;
  --danger:  #A4262C;
  --radius: 4px;
  --radius-lg: 6px;
  --shadow: 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.08);
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--neutral-800);
  background: var(--neutral-50);
  scroll-behavior: smooth;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }

code, pre {
  font-family: "Consolas", "Cascadia Code", "Monaco", "Courier New", monospace;
  font-size: 13px;
}

pre {
  background: var(--neutral-900);
  color: #E6E6E6;
  padding: 16px;
  border-radius: var(--radius);
  overflow-x: auto;
  border: 1px solid var(--neutral-700);
  margin: 16px 0;
}

code:not(pre code) {
  background: var(--neutral-100);
  color: var(--neutral-900);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--neutral-200);
}

/* ===== Layout shell ===== */
.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

aside.sidebar {
  background: var(--neutral-0);
  border-right: 1px solid var(--neutral-200);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

aside.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
  color: var(--brand);
  margin-bottom: 24px;
}
aside.sidebar .brand svg { width: 24px; height: 24px; }

aside.sidebar nav ul { list-style: none; }
aside.sidebar nav li a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--neutral-800);
  font-size: 14px;
  margin-bottom: 2px;
}
aside.sidebar nav li a:hover { background: var(--neutral-100); text-decoration: none; }
aside.sidebar nav li a.active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 600;
}

aside.sidebar .section-title {
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--neutral-500);
  padding: 16px 12px 4px;
}

main.content {
  padding: 32px 48px;
  max-width: 1100px;
}

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  aside.sidebar { position: relative; height: auto; }
  main.content { padding: 24px; }
}

/* ===== Typography ===== */
h1, h2, h3, h4 { color: var(--neutral-900); font-weight: 600; line-height: 1.25; }
h1 { font-size: 32px; margin-bottom: 8px; }
h1 + .subtitle { font-size: 16px; color: var(--neutral-500); margin-bottom: 32px; }
h2 { font-size: 22px; margin-top: 40px; margin-bottom: 12px; border-bottom: 1px solid var(--neutral-200); padding-bottom: 6px; }
h3 { font-size: 17px; margin-top: 24px; margin-bottom: 8px; }
h4 { font-size: 15px; margin-top: 16px; margin-bottom: 4px; color: var(--brand-700); }

p { margin-bottom: 12px; }

ul, ol { margin: 8px 0 16px 24px; }
ul li, ol li { margin-bottom: 4px; }

/* ===== Cards ===== */
.card {
  background: var(--neutral-0);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}
.card .card-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--neutral-900);
}
.card.muted { background: var(--neutral-100); }
.card.brand { border-color: var(--brand-100); background: var(--brand-50); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 800px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ===== Badges ===== */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 10px;
  vertical-align: middle;
}
.badge.brand   { background: var(--brand-100);    color: var(--brand-700); }
.badge.success { background: #DFF6DD;             color: var(--success); }
.badge.warning { background: #FFF4CE;             color: var(--warning); }
.badge.danger  { background: #FDE7E9;             color: var(--danger); }
.badge.neutral { background: var(--neutral-100);  color: var(--neutral-700); }

/* ===== Table ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  background: var(--neutral-0);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius);
  overflow: hidden;
}
th {
  background: var(--neutral-100);
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--neutral-700);
  border-bottom: 1px solid var(--neutral-200);
}
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--neutral-200);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }

/* ===== Diagrams ===== */
.diagram {
  background: var(--neutral-0);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin: 16px 0;
  overflow-x: auto;
}
.diagram pre {
  background: transparent;
  color: var(--neutral-800);
  border: none;
  padding: 0;
  font-size: 12px;
  line-height: 1.4;
}

/* ===== Misc ===== */
hr { border: none; border-top: 1px solid var(--neutral-200); margin: 24px 0; }

.callout {
  border-left: 3px solid var(--brand);
  background: var(--brand-50);
  padding: 12px 16px;
  border-radius: var(--radius);
  margin: 16px 0;
}
.callout.warning { border-color: var(--warning); background: #FFF8E1; }
.callout.danger  { border-color: var(--danger);  background: #FDE7E9; }

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--neutral-200);
  font-size: 12px;
  color: var(--neutral-500);
}

/* Print friendly */
@media print {
  aside.sidebar { display: none; }
  .shell { grid-template-columns: 1fr; }
  main.content { max-width: none; padding: 16px; }
}