/* ═══════════════════════════════════════════════════════════
   J.A.R.V.I.S. — Documentation Site Styles
   Tema Arc Reactor (cyan sobre fondo oscuro)
   ═══════════════════════════════════════════════════════════ */

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --accent:       #00D4FF;
  --accent-dim:   #0099BB;
  --accent-glow:  #00E5FF;
  --bg-primary:   #0A0A0F;
  --bg-secondary: #0F1118;
  --bg-tertiary:  #151822;
  --bg-card:      #111520;
  --text-primary: #E0E0E0;
  --text-secondary: #8899AA;
  --text-accent:  #00D4FF;
  --error:        #FF4444;
  --warning:      #FFAA00;
  --success:      #44FF44;
  --border:       #1A2030;
  --sidebar-w:    280px;
  --topbar-h:     54px;
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-glow); text-decoration: underline; }

/* ─── Topbar ────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--accent-dim);
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 100;
  gap: 16px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.topbar-brand .logo {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 30%, transparent 70%);
  box-shadow: 0 0 12px var(--accent-dim);
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px var(--accent-dim); }
  50%      { box-shadow: 0 0 20px var(--accent); }
}

.topbar-brand h1 {
  font-family: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 3px;
  font-weight: 700;
}

.topbar-brand span {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 4px;
  letter-spacing: 0;
}

/* Search */
.topbar-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color .2s;
}

.topbar-search input::placeholder { color: var(--text-secondary); }
.topbar-search input:focus { outline: none; border-color: var(--accent-dim); }

.topbar-search .search-icon {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 14px;
  pointer-events: none;
}

.topbar-search .search-results {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0 0 6px 6px;
  max-height: 320px;
  overflow-y: auto;
  display: none;
  z-index: 200;
}

.topbar-search .search-results.active { display: block; }

.topbar-search .search-result-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s;
}

.topbar-search .search-result-item:hover { background: var(--bg-tertiary); }
.topbar-search .search-result-item .sr-title { color: var(--accent); font-weight: 600; font-size: 13px; }
.topbar-search .search-result-item .sr-desc { color: var(--text-secondary); font-size: 12px; margin-top: 2px; }

/* Nav links */
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.topbar-nav a {
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all .2s;
  white-space: nowrap;
}

.topbar-nav a:hover { color: var(--text-primary); background: var(--bg-tertiary); text-decoration: none; }
.topbar-nav a.active { color: var(--accent); background: rgba(0,212,255,.08); }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
}

/* ─── Sidebar ───────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--topbar-h));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 0;
  z-index: 90;
  transition: transform .3s ease;
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

.sidebar-section {
  padding: 0 14px;
  margin-bottom: 6px;
}

.sidebar-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: all .15s;
  user-select: none;
}

.sidebar-section-title:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.sidebar-section-title .arrow { transition: transform .2s; font-size: 10px; }
.sidebar-section-title.open .arrow { transform: rotate(90deg); }

.sidebar-links {
  list-style: none;
  display: none;
  padding-left: 28px;
}

.sidebar-section-title.open + .sidebar-links { display: block; }

.sidebar-links li a {
  display: block;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  transition: all .15s;
}

.sidebar-links li a:hover { color: var(--text-primary); background: var(--bg-tertiary); text-decoration: none; }
.sidebar-links li a.current { color: var(--accent); border-left-color: var(--accent); background: rgba(0,212,255,.05); }

/* Direct sidebar link (no children) */
.sidebar-link-direct {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin: 0 14px 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: all .15s;
}

.sidebar-link-direct:hover { background: var(--bg-tertiary); color: var(--text-primary); text-decoration: none; }
.sidebar-link-direct.current { color: var(--accent); background: rgba(0,212,255,.06); }

/* ─── Main content ──────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 32px 48px 80px;
  max-width: 900px;
  min-height: calc(100vh - var(--topbar-h));
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current-crumb { color: var(--text-primary); }

/* Headings */
.main h1 {
  font-size: 28px;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 24px;
  font-weight: 700;
}

.main h2 {
  font-size: 20px;
  color: var(--text-primary);
  margin: 32px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.main h3 {
  font-size: 16px;
  color: var(--accent);
  margin: 24px 0 10px;
}

.main h4 {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 20px 0 8px;
}

/* Paragraphs, lists */
.main p { margin-bottom: 14px; }

.main ul, .main ol {
  margin: 0 0 16px 24px;
}

.main li { margin-bottom: 6px; }

/* Code */
code {
  font-family: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--accent);
}

pre {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  overflow-x: auto;
  margin: 12px 0 20px;
  font-family: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

pre code { background: none; padding: 0; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 24px;
  font-size: 14px;
}

th {
  background: var(--bg-tertiary);
  color: var(--accent);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--border);
}

td {
  padding: 8px 14px;
  border: 1px solid var(--border);
  vertical-align: top;
}

tr:hover td { background: rgba(0,212,255,.02); }

/* Cards / callouts */
.callout {
  border-radius: 6px;
  padding: 16px 20px;
  margin: 16px 0;
  border-left: 4px solid;
}

.callout-info    { background: rgba(0,212,255,.06);  border-color: var(--accent); }
.callout-warning { background: rgba(255,170,0,.06);  border-color: var(--warning); }
.callout-error   { background: rgba(255,68,68,.06);  border-color: var(--error); }
.callout-success { background: rgba(68,255,68,.06);  border-color: var(--success); }

.callout-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
}

.callout-info .callout-title    { color: var(--accent); }
.callout-warning .callout-title { color: var(--warning); }
.callout-error .callout-title   { color: var(--error); }
.callout-success .callout-title { color: var(--success); }

/* Step boxes */
.step {
  display: flex;
  gap: 16px;
  margin: 20px 0;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.step-number {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: var(--bg-primary);
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content { flex: 1; }
.step-content h4 { margin-top: 2px; color: var(--text-primary); text-transform: none; letter-spacing: 0; }

/* Feature cards (home page) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  transition: border-color .2s, transform .2s;
}

.feature-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }

.feature-card .fc-icon { font-size: 24px; margin-bottom: 8px; }
.feature-card .fc-title { color: var(--accent); font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.feature-card .fc-desc { color: var(--text-secondary); font-size: 13px; }

/* Quick-start hero */
.hero {
  text-align: center;
  padding: 40px 20px;
  margin-bottom: 32px;
}

.hero h1 { border: none; font-size: 36px; margin-bottom: 10px; }
.hero .subtitle { color: var(--text-secondary); font-size: 16px; margin-bottom: 24px; }

.hero .cta-btn {
  display: inline-block;
  padding: 10px 28px;
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: var(--bg-primary);
  font-weight: 700;
  border-radius: 6px;
  font-size: 14px;
  transition: transform .15s, box-shadow .2s;
}

.hero .cta-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,212,255,.3); text-decoration: none; }

/* Nav footer (previous / next) */
.page-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.page-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all .2s;
  max-width: 45%;
}

.page-nav a:hover { border-color: var(--accent-dim); color: var(--accent); text-decoration: none; }
.page-nav a .nav-label { font-size: 11px; color: var(--text-secondary); display: block; }
.page-nav a .nav-title { color: var(--text-primary); }
.page-nav a:hover .nav-title { color: var(--accent); }

/* Tip bar */
.tip-bar {
  position: fixed;
  bottom: 0;
  left: var(--sidebar-w);
  right: 0;
  height: 36px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  font-size: 12px;
  color: var(--text-secondary);
  z-index: 80;
}

.tip-bar .tip-icon { margin-right: 8px; }

/* Index page */
.index-letter {
  color: var(--accent);
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.index-entry {
  padding: 4px 0 4px 16px;
  font-size: 14px;
}

.index-subentry {
  padding: 3px 0 3px 40px;
  font-size: 13px;
  color: var(--text-secondary);
}

.index-subentry a { color: var(--text-secondary); }
.index-subentry a:hover { color: var(--accent); }

/* Cross-ref links */
.xref {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(0,212,255,.06);
  border-radius: 3px;
  font-size: 13px;
}

/* ─── FAQ items (details/summary) ──────────────────────── */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-item summary {
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  transition: background 0.2s;
  list-style: none;
}
.faq-item summary::before {
  content: "▶ ";
  color: var(--accent);
  font-size: 12px;
  margin-right: 6px;
  transition: transform 0.2s;
  display: inline-block;
}
.faq-item[open] summary::before {
  transform: rotate(90deg);
}
.faq-item summary:hover { background: var(--bg-tertiary); }
.faq-item p {
  padding: 0 18px 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── Index page ────────────────────────────────────────── */
.index-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 1.5rem 0;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.index-nav a, .index-nav .disabled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s;
}
.index-nav a {
  color: var(--accent);
  background: var(--bg-tertiary);
}
.index-nav a:hover {
  background: var(--accent);
  color: var(--bg-primary);
}
.index-nav .disabled {
  color: var(--text-secondary);
  opacity: 0.35;
}
.index-letter {
  color: var(--accent);
  font-size: 24px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}
.index-list {
  list-style: none;
  margin-bottom: 1rem;
}
.index-list li {
  padding: 6px 0 6px 16px;
  border-left: 2px solid var(--border);
  color: var(--text-secondary);
  line-height: 1.6;
}
.index-list li strong {
  color: var(--text-primary);
}
.index-list a {
  color: var(--accent-dim);
}
.index-list a:hover {
  color: var(--accent);
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 24px 20px 80px; }
  .tip-bar { left: 0; }
  .hamburger { display: block; }
  .topbar-nav { display: none; }
}

@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  .page-nav { flex-direction: column; gap: 10px; }
  .page-nav a { max-width: 100%; }
}

/* Print */
@media print {
  .topbar, .sidebar, .tip-bar, .page-nav, .hamburger { display: none !important; }
  .main { margin: 0; padding: 20px; max-width: 100%; }
  body { background: #fff; color: #000; }
  a { color: #0066cc; }
}