/* ContextVault Documentation Styles */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  --stone-950: #0c0a09;
  --stone-900: #1c1917;
  --stone-850: #231f1b;
  --stone-800: #292524;
  --stone-700: #44403c;
  --stone-600: #57534e;
  --stone-500: #78716c;
  --stone-400: #a8a29e;
  --stone-300: #d6d3d1;
  --stone-200: #e7e5e4;
  --stone-100: #f5f5f4;
  --gold-500: #d4a853;
  --gold-400: #e4be6a;
  --gold-300: #f0d48a;
  --gold-600: #b8922e;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sidebar-width: 260px;
  --header-height: 60px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--stone-950);
  color: var(--stone-300);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a { color: var(--gold-400); text-decoration: none; }
a:hover { color: var(--gold-300); text-decoration: underline; }

/* --- Header --- */
.docs-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(12, 10, 9, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--stone-800);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.header-logo {
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--stone-100);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.01em;
}
.header-logo:hover { text-decoration: none; color: var(--stone-100); }
.header-logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}
.header-logo span { color: var(--gold-400); margin-left: -0.15em; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.header-nav a {
  font-size: 0.85rem;
  color: var(--stone-400);
}
.header-nav a:hover { color: var(--gold-400); text-decoration: none; }

/* Search */
.search-wrapper {
  position: relative;
  margin-left: 2rem;
}

.search-input {
  background: var(--stone-900);
  border: 1px solid var(--stone-700);
  border-radius: 8px;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--stone-200);
  width: 220px;
  outline: none;
  transition: all 0.3s;
}
.search-input::placeholder { color: var(--stone-500); }
.search-input:focus {
  border-color: var(--gold-500);
  width: 280px;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--stone-500);
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  min-width: 320px;
  background: var(--stone-900);
  border: 1px solid var(--stone-700);
  border-radius: 10px;
  max-height: 420px;
  overflow-y: auto;
  display: none;
  z-index: 200;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.search-results.active { display: block; }

.search-result {
  display: block;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--stone-800);
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
}
.search-result:last-child { border-bottom: none; }
.search-result:hover {
  background: var(--stone-850);
  text-decoration: none;
}
.search-result-title {
  font-weight: 600;
  color: var(--stone-100);
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}
.search-result-snippet {
  font-size: 0.8rem;
  color: var(--stone-400);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.search-result-page {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--gold-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Search highlight */
.search-results mark {
  background: transparent;
  color: var(--gold-400);
  font-weight: 600;
}

/* Search results scrollbar */
.search-results::-webkit-scrollbar {
  width: 6px;
}
.search-results::-webkit-scrollbar-track {
  background: var(--stone-900);
}
.search-results::-webkit-scrollbar-thumb {
  background: var(--stone-700);
  border-radius: 3px;
}
.search-results::-webkit-scrollbar-thumb:hover {
  background: var(--stone-600);
}

/* No results state */
.search-result--empty {
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--stone-500);
  font-size: 0.85rem;
}

/* Version dropdown */
.version-dropdown {
  position: relative;
}
.version-btn {
  background: var(--stone-800);
  border: 1px solid var(--stone-700);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-400);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.version-btn:hover { border-color: var(--stone-600); }
.version-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--stone-900);
  border: 1px solid var(--stone-700);
  border-radius: 6px;
  min-width: 120px;
  display: none;
  z-index: 200;
}
.version-menu.active { display: block; }
.version-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--stone-400);
}
.version-menu a:hover { background: var(--stone-850); text-decoration: none; }
.version-menu a.current { color: var(--gold-400); }

/* --- Sidebar --- */
.docs-sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--stone-900);
  border-right: 1px solid var(--stone-800);
  overflow-y: auto;
  padding: 1.5rem 0;
  z-index: 50;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-500);
  padding: 0 1.5rem;
  margin-bottom: 0.5rem;
}

.sidebar-links {
  list-style: none;
}

.sidebar-links a {
  display: block;
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--stone-400);
  border-left: 2px solid transparent;
  transition: all 0.2s;
}
.sidebar-links a:hover {
  color: var(--stone-200);
  background: rgba(212, 168, 83, 0.05);
  text-decoration: none;
}
.sidebar-links a.active {
  color: var(--gold-400);
  border-left-color: var(--gold-500);
  background: rgba(212, 168, 83, 0.08);
}

/* --- Main content --- */
.docs-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  padding: 3rem 4rem;
  max-width: 900px;
}

/* Typography */
.docs-main h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--stone-100);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.docs-main .subtitle {
  font-size: 1.1rem;
  color: var(--stone-400);
  margin-bottom: 2rem;
}

.docs-main h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--stone-100);
  margin: 3rem 0 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--stone-800);
}
.docs-main h2:first-of-type { border-top: none; margin-top: 2rem; }

.docs-main h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--stone-200);
  margin: 2rem 0 0.75rem;
}

.docs-main h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--stone-300);
  margin: 1.5rem 0 0.5rem;
}

.docs-main p {
  margin-bottom: 1rem;
  color: var(--stone-300);
}

.docs-main ul, .docs-main ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}
.docs-main li {
  margin-bottom: 0.4rem;
  color: var(--stone-300);
}

/* Code */
.docs-main code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--stone-800);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--gold-400);
}

.docs-main pre {
  background: var(--stone-900);
  border: 1px solid var(--stone-800);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0 1.5rem;
  overflow-x: auto;
}
.docs-main pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  color: var(--stone-300);
}

/* Tables */
.docs-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}
.docs-main th, .docs-main td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--stone-800);
}
.docs-main th {
  font-weight: 600;
  color: var(--stone-200);
  background: var(--stone-900);
}
.docs-main td { color: var(--stone-400); }
.docs-main td code {
  font-size: 0.8rem;
}

/* Callouts */
.callout {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin: 1.5rem 0;
  border-left: 3px solid;
}
.callout-info {
  background: rgba(100, 150, 255, 0.08);
  border-color: #6496ff;
}
.callout-warning {
  background: rgba(255, 180, 50, 0.08);
  border-color: #ffb432;
}
.callout-tip {
  background: rgba(212, 168, 83, 0.08);
  border-color: var(--gold-500);
}
.callout-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--stone-200);
}
.callout p:last-child { margin-bottom: 0; }

/* Command cards */
.command-card {
  background: var(--stone-900);
  border: 1px solid var(--stone-800);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
  transition: border-color 0.3s;
}
.command-card:hover { border-color: rgba(212, 168, 83, 0.2); }
.command-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold-400);
  margin-bottom: 0.5rem;
}
.command-desc {
  color: var(--stone-400);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.command-example {
  background: var(--stone-850);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--stone-300);
}

/* FAQ accordion */
.faq-item {
  border: 1px solid var(--stone-800);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.faq-question {
  background: var(--stone-900);
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  color: var(--stone-200);
  transition: background 0.2s;
}
.faq-question:hover { background: var(--stone-850); }
.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--gold-500);
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item.open .faq-answer {
  padding: 1rem 1.25rem;
  max-height: 500px;
}

/* Prev/Next navigation */
.docs-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--stone-800);
}
.docs-nav a {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.5rem;
  background: var(--stone-900);
  border: 1px solid var(--stone-800);
  border-radius: 8px;
  min-width: 180px;
  transition: all 0.3s;
}
.docs-nav a:hover {
  border-color: var(--gold-500);
  text-decoration: none;
}
.docs-nav-label {
  font-size: 0.75rem;
  color: var(--stone-500);
  margin-bottom: 0.25rem;
}
.docs-nav-title {
  font-weight: 600;
  color: var(--stone-200);
}
.docs-nav-next { text-align: right; margin-left: auto; }

/* Mobile */
@media (max-width: 900px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .docs-sidebar.open { transform: translateX(0); }
  .docs-main {
    margin-left: 0;
    padding: 2rem 1.5rem;
  }
  .search-wrapper { display: none; }
}

/* Mobile menu toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--stone-300);
  font-size: 1.5rem;
  cursor: pointer;
  margin-right: 1rem;
}
@media (max-width: 900px) {
  .mobile-menu-btn { display: block; }
}