/* ============================================================
   APOLLO™ Data Auditor — Documentation
   GitBook-style dark theme — pure CSS, zero JS framework
   © 2025-2026 aiia-tech.com
   ============================================================ */

:root {
  --bg-primary:    #0f1117;
  --bg-sidebar:    #161625;
  --bg-card:       #1e1e30;
  --bg-code:       #1a1a2e;
  --text-primary:  #e4e4e7;
  --text-secondary:#a1a1aa;
  --text-muted:    #71717a;
  --accent:        #3b82f6;
  --accent-hover:  #60a5fa;
  --border:        #2a2a3e;
  --danger:        #ef4444;
  --warning:       #f59e0b;
  --success:       #22c55e;
  --sidebar-width: 260px;
}

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

body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────────────── */

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo a { text-decoration: none; color: var(--text-primary); }

.logo-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover {
  background: rgba(59,130,246,0.08);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  background: rgba(59,130,246,0.12);
  color: var(--accent);
  font-weight: 600;
  border-right: 3px solid var(--accent);
}

/* Legal <details> collapsible — no JS */
.sidebar-nav details { margin: 0; }

.sidebar-nav details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text-secondary);
  font-size: 13.5px;
  cursor: pointer;
  list-style: none;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.sidebar-nav details > summary:hover {
  background: rgba(59,130,246,0.08);
  color: var(--text-primary);
}

.sidebar-nav details > summary::-webkit-details-marker { display: none; }

.sidebar-nav details > summary .chevron {
  margin-left: auto;
  font-size: 10px;
  transition: transform 0.2s;
}

.sidebar-nav details[open] > summary .chevron { transform: rotate(90deg); }

.legal-links {
  border-left: 2px solid var(--border);
  margin-left: 30px;
  padding: 4px 0;
}

.legal-links a {
  padding: 5px 14px !important;
  font-size: 12.5px !important;
}

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── MAIN CONTENT ────────────────────────────────────────── */

.content {
  margin-left: var(--sidebar-width);
  padding: 48px 64px;
  max-width: calc(860px + var(--sidebar-width));
}

/* ── TYPOGRAPHY ──────────────────────────────────────────── */

h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}

h2 {
  font-size: 21px;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
}

p { margin-bottom: 16px; color: var(--text-secondary); }

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

ul, ol { padding-left: 24px; color: var(--text-secondary); margin-bottom: 16px; }
ul li, ol li { margin-bottom: 4px; line-height: 1.7; }

hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

/* ── PAGE HEADER ─────────────────────────────────────────── */

.page-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.page-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.page-header p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 600px;
}

/* ── BADGES ──────────────────────────────────────────────── */

.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid;
  font-family: monospace;
}

.badge-blue   { background: rgba(59,130,246,0.1);  color: #60a5fa; border-color: rgba(59,130,246,0.3); }
.badge-gray   { background: rgba(113,113,122,0.1); color: #a1a1aa; border-color: rgba(113,113,122,0.3); }
.badge-orange { background: rgba(245,158,11,0.1);  color: #fbbf24; border-color: rgba(245,158,11,0.3); }
.badge-green  { background: rgba(34,197,94,0.1);   color: #4ade80; border-color: rgba(34,197,94,0.3); }

/* ── HERO (index.html) ───────────────────────────────────── */

.hero {
  text-align: center;
  padding: 40px 0 56px;
}

.hero h1 { font-size: 42px; }

.hero .tagline {
  font-size: 20px;
  color: var(--text-secondary);
  margin: 12px 0 20px;
}

.hero-bullets {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin: 20px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.hero-bullets span::before { content: "✓ "; color: var(--success); font-weight: 600; }

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  margin-top: 16px;
  text-decoration: none !important;
  transition: background 0.15s;
}

.cta-button:hover { background: var(--accent-hover); }

.hero-gif {
  margin: 40px auto 0;
  max-width: 720px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.hero-gif img { width: 100%; display: block; }

/* ── CODE BLOCKS ─────────────────────────────────────────── */

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.6;
}

code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.88em;
}

:not(pre) > code {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

.code-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
  margin-bottom: -8px;
  padding: 4px 12px;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  display: inline-block;
}

/* ── TABLES ──────────────────────────────────────────────── */

table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }

th {
  background: var(--bg-card);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
}

td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ── CARDS ───────────────────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  transition: border-color 0.15s;
}

.card:hover { border-color: rgba(59,130,246,0.4); }

.card-icon { font-size: 22px; margin-bottom: 10px; }
.card-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.card-status { font-size: 11px; color: var(--success); margin-top: 10px; display: block; }

/* ── CALLOUTS ────────────────────────────────────────────── */

.callout {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
  border-left: 3px solid;
  font-size: 14px;
}

.callout-info    { background: rgba(59,130,246,0.08);  border-color: var(--accent);   }
.callout-warning { background: rgba(245,158,11,0.08);  border-color: var(--warning);  }
.callout-danger  { background: rgba(239,68,68,0.08);   border-color: var(--danger);   }
.callout-success { background: rgba(34,197,94,0.08);   border-color: var(--success);  }

.callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.callout-content { color: var(--text-secondary); line-height: 1.6; }
.callout-content strong { color: var(--text-primary); }

/* ── FAQ ACCORDIONS (<details> — no JS) ──────────────────── */

.faq-list { margin: 24px 0; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  overflow: hidden;
}

.faq-item > summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
  transition: background 0.15s;
}

.faq-item > summary:hover { background: rgba(255,255,255,0.03); }
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::after { content: "+"; font-size: 18px; color: var(--text-muted); font-weight: 300; }
.faq-item[open] > summary::after { content: "−"; }

.faq-body {
  padding: 0 18px 18px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-body p { margin-bottom: 8px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body code { font-size: 12px; }

/* ── CHANGELOG ───────────────────────────────────────────── */

.changelog-entry { margin-bottom: 48px; }

.changelog-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.version-tag {
  background: rgba(59,130,246,0.15);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  font-family: monospace;
  border: 1px solid rgba(59,130,246,0.25);
}

.version-date { font-size: 13px; color: var(--text-muted); }

.change-type {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin: 14px 0 6px;
}

.change-type.added   { background: rgba(34,197,94,0.12);  color: var(--success); }
.change-type.changed { background: rgba(59,130,246,0.12); color: var(--accent);  }
.change-type.fixed   { background: rgba(245,158,11,0.12); color: var(--warning); }
.change-type.docs    { background: rgba(113,113,122,0.12);color: var(--text-muted); }

.changelog-entry ul { margin-top: 6px; }

/* ── ARCHITECTURE FLOW (how-it-works.html) ───────────────── */

.arch-flow { margin: 36px 0; }

.arch-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.arch-box.infra-box { border-color: rgba(34,197,94,0.5); }
.arch-box.cloud-box { border-color: rgba(59,130,246,0.5); }

.arch-box-header {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.infra-box .arch-box-header { color: var(--success); }
.cloud-box .arch-box-header { color: var(--accent);  }

.sources-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.source-chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-secondary);
}

.agent-block {
  background: rgba(34,197,94,0.05);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 4px;
}

.agent-block-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 8px;
}

.agent-block p { font-size: 13px; color: var(--text-muted); margin: 0 0 8px; }

.never-exits {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #f87171;
  margin-top: 4px;
}

.arch-arrow {
  text-align: center;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.arrow-down {
  font-size: 24px;
  color: var(--accent);
  animation: pulse-down 2s ease-in-out infinite;
}

@keyframes pulse-down {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(5px); opacity: 0.7; }
}

.arrow-label {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 3px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.arrow-tls {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.cloud-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.cloud-chip {
  background: rgba(59,130,246,0.05);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 6px;
  padding: 14px;
}

.cloud-chip strong { display: block; font-size: 13px; margin-bottom: 3px; }
.cloud-chip span   { font-size: 12px; color: var(--text-muted); }

/* ── STEPS ROW ───────────────────────────────────────────── */

.steps-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.step-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 10px;
}

.step-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-body { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ── DOWNLOAD GRID ───────────────────────────────────────── */

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}

.dl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
  text-align: center;
  transition: border-color 0.15s;
}

.dl-card:hover { border-color: rgba(59,130,246,0.4); }

.dl-os   { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.dl-file { font-family: monospace; font-size: 13px; margin-bottom: 14px; color: var(--text-primary); }

.dl-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.15s;
}

.dl-btn:hover { background: var(--accent-hover); }

/* ── LEGAL PAGES ─────────────────────────────────────────── */

.legal-body { max-width: 700px; }
.legal-body h1 { font-size: 26px; }

/* ── RESPONSIVE MOBILE ───────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 6px 0;
    -webkit-overflow-scrolling: touch;
  }

  .sidebar-nav a { white-space: nowrap; padding: 6px 12px; font-size: 12px; }
  .sidebar-nav a.active { border-right: none; border-bottom: 2px solid var(--accent); }
  .sidebar-nav details { display: none; }
  .sidebar-footer { display: none; }

  .content { margin-left: 0; padding: 24px 18px; }

  .steps-row          { grid-template-columns: 1fr; }
  .download-grid      { grid-template-columns: 1fr; }
  .cloud-services     { grid-template-columns: 1fr; }
  .hero-bullets       { flex-direction: column; align-items: center; }
  .hero h1            { font-size: 28px; }
  h1                  { font-size: 24px; }
}