/* ===========================================================================
   Manual de ApproSearch — estilos
   Sitio estático servido en /docs/. Diseño alineado con el panel (azul #2563eb).
   =========================================================================== */

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #eff4ff;
  --ink: #0f172a;
  --body: #334155;
  --muted: #64748b;
  --line: #e7ebf0;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
  --sidebar-w: 280px;
  --maxw: 880px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--line);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 22px 18px 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 6px 8px 18px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.brand .logo {
  width: 38px; height: 38px; display: block; flex: 0 0 auto;
}
.brand .name { font-weight: 800; color: var(--ink); font-size: 18px; line-height: 1.1; }
.brand .name-accent { color: #8b5cf6; }
.brand .sub { font-size: 12px; color: var(--muted); }

/* ---------- Buscador ---------- */
.search { position: relative; margin: 14px 4px 4px; }
.search-ico {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  font-size: 13px; opacity: .6; pointer-events: none;
}
.search input {
  width: 100%; box-sizing: border-box;
  padding: 9px 12px 9px 32px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 14px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search input::placeholder { color: var(--muted); }
.search input:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px var(--blue-soft); }
.search input::-webkit-search-cancel-button { cursor: pointer; }

.search-results {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px);
  z-index: 40; max-height: 60vh; overflow-y: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, .14); padding: 6px;
}
.sr-empty { padding: 14px 12px; color: var(--muted); font-size: 13.5px; }
.sr-item {
  display: block; padding: 9px 11px; border-radius: 8px; cursor: pointer;
  color: var(--body); text-decoration: none;
}
.sr-item:hover, .sr-item.active { background: var(--blue-soft); text-decoration: none; }
.sr-title { font-size: 14px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.sr-group {
  font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--blue); background: var(--blue-soft); border-radius: 5px; padding: 1px 6px;
}
.sr-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sr-sub mark, .sr-title mark { background: #fde68a; color: inherit; border-radius: 3px; padding: 0 1px; }

/* Resaltado temporal del destino al pulsar un resultado */
@keyframes flashTarget { 0% { background: #fef3c7; } 100% { background: transparent; } }
.flash-target { animation: flashTarget 1.6s ease; border-radius: 6px; }

.nav-group { margin-top: 18px; }
.nav-group h4 {
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 6px 10px; font-weight: 700;
}
.nav-group a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 9px;
  color: var(--body); font-size: 14.5px; font-weight: 500;
}
.nav-group a:hover { background: var(--bg); text-decoration: none; }
.nav-group a.active { background: var(--blue-soft); color: var(--blue-dark); font-weight: 600; }
.nav-group a .ico { width: 18px; text-align: center; opacity: .85; }

/* ---------- Content ---------- */
.content { flex: 1; min-width: 0; }
.content-inner { max-width: var(--maxw); margin: 0 auto; padding: 54px 40px 96px; }

.topbar {
  display: none;
  align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--white); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar .logo { width: 30px; height: 30px; display: block; }
.topbar .name { font-weight: 700; color: var(--ink); }
.menu-btn { margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 10px; font-size: 18px; cursor: pointer; }

section.page { display: none; animation: fade .25s ease; }
section.page.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.eyebrow { color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 8px; }
h1 { font-size: 34px; line-height: 1.15; color: var(--ink); margin: 0 0 14px; font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: 23px; color: var(--ink); margin: 40px 0 12px; font-weight: 700; letter-spacing: -.01em; scroll-margin-top: 80px; }
h3 { font-size: 17px; color: var(--ink); margin: 26px 0 8px; font-weight: 700; }
p { margin: 0 0 14px; }
.lead { font-size: 18.5px; color: var(--muted); margin-bottom: 28px; }

ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 7px; }

strong { color: var(--ink); font-weight: 650; }

code {
  background: #f1f5f9; border: 1px solid var(--line); border-radius: 6px;
  padding: 1px 6px; font-size: 13.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #0b3a8f;
}

/* Figuras / capturas */
figure {
  margin: 22px 0 26px;
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--white); box-shadow: var(--shadow);
}
figure img { display: block; width: 100%; height: auto; }
figcaption { font-size: 13px; color: var(--muted); padding: 10px 16px; border-top: 1px solid var(--line); background: #fcfdff; }

/* Tarjetas de pasos */
.steps { counter-reset: step; margin: 18px 0 8px; padding: 0; list-style: none; }
.steps > li {
  position: relative; padding: 4px 0 4px 44px; margin-bottom: 16px;
}
.steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 14px;
  display: grid; place-items: center;
}

/* Callouts */
.note {
  border: 1px solid var(--line); border-left: 4px solid var(--blue);
  background: var(--blue-soft); border-radius: 10px;
  padding: 13px 16px; margin: 18px 0; font-size: 15px;
}
.note.tip { border-left-color: #16a34a; background: #f0fdf4; }
.note.warn { border-left-color: #d97706; background: #fffbeb; }
.note .t { font-weight: 700; color: var(--ink); display: block; margin-bottom: 2px; }

/* Tabla */
table { width: 100%; border-collapse: collapse; margin: 16px 0 22px; font-size: 14.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); font-weight: 700; background: #fbfcfe; }

/* Tarjetas grid en portada */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 22px 0; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
  background: var(--white); cursor: pointer; transition: .15s;
}
.card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.card .ico { font-size: 22px; }
.card h3 { margin: 8px 0 4px; }
.card p { margin: 0; font-size: 14px; color: var(--muted); }

/* Pie de página */
.page-foot { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* Backdrop móvil */
.backdrop { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.4); z-index: 25; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .topbar { display: flex; }
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 30;
    transform: translateX(-100%); transition: transform .25s ease;
    box-shadow: 0 0 40px rgba(0,0,0,.15);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .backdrop { display: block; }
  .content-inner { padding: 30px 20px 72px; }
  h1 { font-size: 27px; }
}