/* ============================================================
   XALGORIX DOCS — Cyberpunk / Glitch Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  --bg:               #0a0a0f;
  --fg:               #e0e0e0;
  --card:             #12121a;
  --muted:            #1c1c2e;
  --muted-fg:         #6b7280;
  --accent:           #00ff88;
  --accent-secondary: #ff00ff;
  --accent-tertiary:  #00d4ff;
  --border:           #2a2a3a;
  --input:            #12121a;
  --ring:             #00ff88;
  --destructive:      #ff3366;

  --accent-10: rgba(0, 255, 136, 0.1);
  --accent-20: rgba(0, 255, 136, 0.2);
  --accent-30: rgba(0, 255, 136, 0.3);
  --accent-50: rgba(0, 255, 136, 0.5);
  --secondary-30: rgba(255, 0, 255, 0.3);
  --tertiary-30: rgba(0, 212, 255, 0.3);

  --font-heading: "Orbitron", "Share Tech Mono", monospace;
  --font-body:    "JetBrains Mono", "Fira Code", "Consolas", monospace;
  --font-accent:  "Share Tech Mono", monospace;

  --glow:       0 0 5px #00ff88, 0 0 10px rgba(0,255,136,0.25);
  --glow-sm:    0 0 3px #00ff88, 0 0 6px rgba(0,255,136,0.19);
  --glow-lg:    0 0 10px #00ff88, 0 0 20px rgba(0,255,136,0.38), 0 0 40px rgba(0,255,136,0.19);

  --chamfer: polygon(0 12px, 12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px));
  --chamfer-sm: polygon(0 6px, 6px 0, calc(100% - 6px) 0, 100% 6px, 100% calc(100% - 6px), calc(100% - 6px) 100%, 6px 100%, 0 calc(100% - 6px));

  --sidebar-w: 280px;
  --topbar-h: 56px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  letter-spacing: 0.03em;
  overflow-x: hidden;
}

/* Scanline overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.1) 2px, rgba(0,0,0,0.1) 4px);
}

a { color: var(--accent); text-decoration: none; transition: all 150ms; }
a:hover { text-shadow: 0 0 8px var(--accent-50); }

::selection {
  background: var(--accent-30);
  color: var(--accent);
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   3. TOP BAR
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.topbar-logo img {
  height: 28px;
  width: auto;
}

.topbar-logo span {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg);
}

.topbar-badge {
  font-family: var(--font-accent);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--accent-30);
  color: var(--accent);
  clip-path: var(--chamfer-sm);
  background: var(--accent-10);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-link {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-fg);
}

.topbar-link:hover { color: var(--accent); }

/* Search bar */
.search-wrapper {
  position: relative;
  width: 240px;
}

.search-input {
  width: 100%;
  background: var(--input);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.45rem 0.8rem 0.45rem 2rem;
  clip-path: var(--chamfer-sm);
  outline: none;
  transition: all 200ms;
}

.search-input::placeholder {
  color: var(--muted-fg);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.search-prefix {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.8rem;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  clip-path: var(--chamfer-sm);
  max-height: 300px;
  overflow-y: auto;
  display: none;
  z-index: 200;
}

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

.search-result-item {
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 150ms;
}

.search-result-item:last-child { border-bottom: none; }

.search-result-item:hover {
  background: var(--accent-10);
}

.search-result-item .result-title {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.search-result-item .result-section {
  color: var(--muted-fg);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.sidebar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  margin: 4px 0;
  transition: all 200ms;
}

@media (max-width: 768px) {
  .sidebar-toggle { display: block; }
  .search-wrapper { width: 160px; }
  .topbar-link { display: none; }
}

/* ============================================================
   4. LAYOUT — SIDEBAR + CONTENT
   ============================================================ */
.docs-layout {
  display: flex;
  margin-top: var(--topbar-h);
  min-height: calc(100vh - var(--topbar-h));
}

/* ============================================================
   5. SIDEBAR
   ============================================================ */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  height: calc(100vh - var(--topbar-h));
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  overflow-y: auto;
  padding: 1.5rem 0;
  transition: transform 300ms;
  z-index: 50;
}

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

.sidebar-heading {
  font-family: var(--font-accent);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted-fg);
  padding: 0 1.5rem;
  margin-bottom: 0.5rem;
}

.sidebar-heading::before {
  content: "> ";
  color: var(--accent);
}

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

.sidebar-nav li a {
  display: block;
  padding: 0.45rem 1.5rem 0.45rem 2rem;
  font-size: 0.82rem;
  color: var(--muted-fg);
  border-left: 2px solid transparent;
  transition: all 150ms;
}

.sidebar-nav li a:hover {
  color: var(--accent);
  background: var(--accent-10);
  text-shadow: none;
}

.sidebar-nav li a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-10);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    min-width: 280px;
  }
  .sidebar.open { transform: translateX(0); }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 40;
}

.sidebar-overlay.active { display: block; }

/* ============================================================
   6. MAIN CONTENT
   ============================================================ */
.docs-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 2.5rem 3rem 4rem;
  max-width: 900px;
  min-height: calc(100vh - var(--topbar-h));
}

@media (max-width: 768px) {
  .docs-content {
    margin-left: 0;
    padding: 1.5rem;
  }
}

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-fg);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs a { color: var(--muted-fg); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { color: var(--border); }
.breadcrumbs .current { color: var(--accent); }

/* ============================================================
   7. DOCUMENTATION TYPOGRAPHY
   ============================================================ */
.doc-page { display: none; }
.doc-page.active { display: block; }

.doc-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.doc-page .page-description {
  font-size: 0.95rem;
  color: var(--muted-fg);
  margin-bottom: 2.5rem;
  max-width: 650px;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.doc-page h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 3rem 0 1rem;
  color: var(--fg);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.doc-page h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 2rem 0 0.75rem;
  color: var(--accent);
}

.doc-page h4 {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--fg);
}

.doc-page p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fg);
}

.doc-page ul, .doc-page ol {
  margin: 0.5rem 0 1.5rem 1.5rem;
  font-size: 0.9rem;
}

.doc-page li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
  color: var(--fg);
}

.doc-page li::marker {
  color: var(--accent);
}

.doc-page strong {
  color: var(--accent);
  font-weight: 600;
}

/* ============================================================
   8. CODE BLOCKS
   ============================================================ */
.doc-page code {
  font-family: var(--font-body);
  font-size: 0.85em;
  background: var(--muted);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  color: var(--accent);
}

.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  clip-path: var(--chamfer-sm);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0 1.5rem;
  overflow-x: auto;
  position: relative;
  font-size: 0.82rem;
  line-height: 1.7;
}

.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  white-space: pre;
  color: var(--fg);
}

.code-block .comment { color: var(--muted-fg); }
.code-block .string  { color: var(--accent); }
.code-block .keyword { color: var(--accent-secondary); }
.code-block .flag    { color: var(--accent-tertiary); }

.code-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--muted);
  border: 1px solid var(--border);
  color: var(--muted-fg);
  font-family: var(--font-accent);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  transition: all 200ms;
  clip-path: var(--chamfer-sm);
}

.code-copy:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ============================================================
   9. TABLES
   ============================================================ */
.doc-table-wrapper {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  -webkit-overflow-scrolling: touch;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.doc-table th {
  font-family: var(--font-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border);
  text-align: left;
  color: var(--accent);
  background: var(--muted);
  white-space: nowrap;
}

.doc-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  vertical-align: top;
}

.doc-table tr:hover td {
  background: var(--accent-10);
}

.doc-table code {
  font-size: 0.8em;
}

/* ============================================================
   10. CALLOUTS
   ============================================================ */
.callout {
  border: 1px solid var(--border);
  clip-path: var(--chamfer-sm);
  padding: 1rem 1.25rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.85rem;
}

.callout-info {
  border-color: var(--accent-tertiary);
  background: rgba(0, 212, 255, 0.05);
}

.callout-info::before {
  content: "ℹ INFO";
  display: block;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-tertiary);
  margin-bottom: 0.5rem;
}

.callout-warning {
  border-color: #ffaa00;
  background: rgba(255, 170, 0, 0.05);
}

.callout-warning::before {
  content: "⚠ WARNING";
  display: block;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffaa00;
  margin-bottom: 0.5rem;
}

.callout-tip {
  border-color: var(--accent);
  background: var(--accent-10);
}

.callout-tip::before {
  content: "💡 TIP";
  display: block;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.callout-danger {
  border-color: var(--destructive);
  background: rgba(255, 51, 102, 0.05);
}

.callout-danger::before {
  content: "🚫 DANGER";
  display: block;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--destructive);
  margin-bottom: 0.5rem;
}

/* ============================================================
   11. NEON DIVIDER
   ============================================================ */
.neon-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border: none;
  margin: 0;
  box-shadow: 0 0 8px var(--accent-30);
}

/* ============================================================
   12. FOOTER
   ============================================================ */
.docs-footer {
  margin-left: var(--sidebar-w);
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.docs-footer-copy {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.docs-footer-links {
  display: flex;
  gap: 1.5rem;
}

.docs-footer-links a {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.docs-footer-links a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .docs-footer {
    margin-left: 0;
    padding: 1.5rem;
  }
}

/* ============================================================
   13. PAGE NAVIGATION (prev/next)
   ============================================================ */
.page-nav {
  display: flex;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.page-nav-btn {
  flex: 1;
  display: block;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  clip-path: var(--chamfer-sm);
  cursor: pointer;
  transition: all 200ms;
  text-decoration: none;
}

.page-nav-btn:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
  text-shadow: none;
}

.page-nav-label {
  font-family: var(--font-accent);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-fg);
  margin-bottom: 0.3rem;
}

.page-nav-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-nav-next {
  text-align: right;
}

/* ============================================================
   14. GRADIENT TEXT
   ============================================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   15. ARCHITECTURE DIAGRAM
   ============================================================ */
.arch-pre {
  background: var(--bg);
  border: 1px solid var(--border);
  clip-path: var(--chamfer-sm);
  padding: 1.5rem;
  overflow-x: auto;
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--accent);
  font-family: var(--font-body);
  white-space: pre;
  margin: 1rem 0 1.5rem;
}

/* ============================================================
   16. ANIMATIONS
   ============================================================ */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}