/* OverclockDB Website Styles - Dark Theme */

:root {
  /* Colors */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Sizing */
  --max-width: 1200px;
  --header-height: 64px;
  --sidebar-width: 280px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--spacing-lg));
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--spacing-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  backdrop-filter: blur(8px);
  background-color: rgba(22, 27, 34, 0.95);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent) 0%, #a371f7 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--text-primary);
}

.github-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.github-link:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  text-decoration: none;
}

.github-link svg {
  width: 20px;
  height: 20px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Main content */
main {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: #fff;
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
  text-decoration: none;
}

/* Features Grid */
.features {
  padding: var(--spacing-3xl) 0;
}

.features h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-xl);
  transition: all 0.2s;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: var(--bg-tertiary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Performance Section */
.performance {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.performance h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.performance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.performance-stat {
  padding: var(--spacing-lg);
}

.performance-stat .value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.performance-stat .label {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Quick Start Section */
.quickstart {
  padding: var(--spacing-3xl) 0;
}

.quickstart h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.quickstart-content {
  max-width: 800px;
  margin: 0 auto;
}

/* Code Blocks */
pre {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-lg);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

pre code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-primary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-tertiary);
  padding: 0.2em 0.4em;
  border-radius: 4px;
}

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

.copy-btn {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.copy-btn.copied {
  color: var(--success);
  border-color: var(--success);
}

/* Syntax highlighting */
.token-comment { color: var(--text-muted); }
.token-keyword { color: #ff7b72; }
.token-string { color: #a5d6ff; }
.token-number { color: #79c0ff; }
.token-property { color: #7ee787; }
.token-function { color: #d2a8ff; }
.token-operator { color: #79c0ff; }

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Documentation Layout */
.docs-layout {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

.docs-sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: var(--spacing-lg);
  z-index: 100;
}

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

.docs-sidebar-nav li {
  margin-bottom: var(--spacing-xs);
}

.docs-sidebar-nav a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  border-radius: 6px;
  transition: all 0.2s;
}

.docs-sidebar-nav a:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  text-decoration: none;
}

.docs-sidebar-nav a.active {
  background-color: var(--bg-tertiary);
  color: var(--accent);
}

.docs-sidebar-section {
  margin-bottom: var(--spacing-lg);
}

.docs-sidebar-section h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

.docs-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--spacing-2xl) var(--spacing-3xl);
  max-width: 900px;
}

.docs-content h1 {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.docs-content h2 {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.docs-content h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
}

th, td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-secondary);
  font-weight: 600;
}

tr:nth-child(even) {
  background-color: var(--bg-secondary);
}

/* Roadmap Page */
.roadmap-section {
  padding: var(--spacing-3xl) 0;
}

.roadmap-section h1 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.roadmap-intro {
  text-align: center;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.roadmap-phases {
  max-width: 900px;
  margin: 0 auto;
}

.phase {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.phase::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 12px 0 0 12px;
}

.phase.complete::before {
  background-color: var(--success);
}

.phase.in-progress::before {
  background-color: var(--warning);
}

.phase.planned::before {
  background-color: var(--text-muted);
}

.phase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.phase-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.phase-title h3 {
  margin-bottom: 0;
}

.phase-status {
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
}

.phase-status.complete {
  background-color: rgba(63, 185, 80, 0.15);
  color: var(--success);
}

.phase-status.in-progress {
  background-color: rgba(210, 153, 34, 0.15);
  color: var(--warning);
}

.phase-status.planned {
  background-color: rgba(139, 148, 158, 0.15);
  color: var(--text-secondary);
}

.phase-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.phase-features {
  list-style: none;
}

.phase-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.phase-features li::before {
  content: '>';
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Performance targets table for roadmap */
.performance-targets {
  margin-top: var(--spacing-3xl);
}

.performance-targets h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* Changelog */
.changelog {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

.changelog h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.changelog-entry {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.changelog-entry h3 {
  color: var(--accent);
  margin-bottom: var(--spacing-md);
}

.changelog-entry ul {
  color: var(--text-secondary);
  padding-left: var(--spacing-xl);
}

.changelog-entry li {
  margin-bottom: var(--spacing-xs);
}

/* Note boxes */
.note {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.note strong {
  color: var(--accent);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .docs-sidebar.open {
    transform: translateX(0);
  }

  .docs-content {
    margin-left: 0;
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
  }

  .github-link {
    justify-content: center;
  }

  .menu-toggle {
    display: block;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .performance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .phase-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .performance-grid {
    grid-template-columns: 1fr;
  }

  .performance-stat .value {
    font-size: 2rem;
  }
}