/**
 * Documentation Styles for PAN
 */

/* Base theme variables - Light mode default */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-primary: #0f766e;
  --color-primary-dark: #0d9488;
  --color-code-bg: #1e293b;
  --border-radius: 0.75rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --docs-sidebar-width: 260px;
  --docs-header-height: 60px;
}

/* Dark mode - OS preference */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --color-primary: #5eead4;
    --color-primary-dark: #2dd4bf;
    --color-code-bg: #020617;
  }
}

/* Manual theme override via data attribute */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-primary: #5eead4;
  --color-primary-dark: #2dd4bf;
  --color-code-bg: #020617;
}

[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-primary: #0f766e;
  --color-primary-dark: #0d9488;
  --color-code-bg: #1e293b;
}

/* Base styles */
body {
  font-family: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

/* Docs Header */
.docs-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--docs-header-height);
}

.docs-header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.docs-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.docs-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.docs-nav a:hover,
.docs-nav a.active {
  color: var(--color-primary);
}

/* Docs Layout */
.docs-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - var(--docs-header-height));
}

.docs-sidebar {
  width: var(--docs-sidebar-width);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: var(--docs-header-height);
  height: calc(100vh - var(--docs-header-height));
  overflow-y: auto;
}

.docs-sidebar-content {
  padding: 2rem 1.5rem;
}

.docs-sidebar h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.docs-menu {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.docs-menu-section {
  margin-bottom: 1.5rem;
}

.docs-menu-section h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.5rem;
}

.docs-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: 0.375rem;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.docs-menu a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.docs-menu a.active {
  background: var(--color-primary);
  color: white;
  font-weight: 500;
}

/* Main Content */
.docs-main {
  flex: 1;
  padding: 2rem 3rem;
  max-width: 900px;
}

.docs-main-wide {
  max-width: none;
}

.docs-breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.docs-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.docs-breadcrumb a:hover {
  text-decoration: underline;
}

.docs-breadcrumb span {
  color: var(--color-text);
  font-weight: 500;
}

/* Documentation Content */
.docs-content {
  color: var(--color-text);
  line-height: 1.7;
}

.docs-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text);
  line-height: 1.2;
}

.docs-content h2 {
  font-size: 1.875rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem;
  color: var(--color-text);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.docs-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
  color: var(--color-text);
}

.docs-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--color-text);
}

.docs-content p {
  margin: 1rem 0;
}

.docs-content ul,
.docs-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.docs-content li {
  margin: 0.5rem 0;
}

.docs-content code {
  background: var(--color-bg-alt);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875em;
  color: var(--color-primary);
}

.docs-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
}

.docs-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.875rem;
  line-height: 1.6;
}

.docs-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-bg-alt);
  border-radius: 0 0.375rem 0.375rem 0;
}

.docs-content blockquote p {
  margin: 0.5rem 0;
}

.docs-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

.docs-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.docs-content a:hover {
  text-decoration: underline;
}

.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.docs-content th,
.docs-content td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--color-border);
}

.docs-content th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.docs-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  margin: 1.5rem 0;
}

/* Docs Footer */
.docs-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.docs-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

.docs-footer a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Docs Index */
.docs-intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.docs-category {
  margin-bottom: 3rem;
}

.docs-category h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.docs-card {
  display: block;
  padding: 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  text-decoration: none;
  transition: all 0.2s;
}

.docs-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.docs-card h3 {
  font-size: 1.125rem;
  color: var(--color-text);
  margin: 0 0 0.5rem 0;
}

.docs-card .docs-path {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
}

/* Responsive */
@media (max-width: 1024px) {
  .docs-sidebar {
    display: none;
  }

  .docs-main {
    max-width: none;
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .docs-header-content {
    padding: 0 1rem;
  }

  .docs-nav {
    gap: 1rem;
  }

  .docs-nav a {
    font-size: 0.875rem;
  }

  .docs-main {
    padding: 1.5rem 1rem;
  }

  .docs-content h1 {
    font-size: 2rem;
  }

  .docs-content h2 {
    font-size: 1.5rem;
  }

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

/* Table of Contents (optional enhancement) */
.docs-toc {
  position: sticky;
  top: calc(var(--docs-header-height) + 2rem);
  margin-left: 3rem;
  width: 200px;
  padding: 1rem;
  background: var(--color-bg-alt);
  border-radius: 0.5rem;
  max-height: calc(100vh - var(--docs-header-height) - 4rem);
  overflow-y: auto;
}

.docs-toc h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.docs-toc ul {
  list-style: none;
  padding: 0;
}

.docs-toc li {
  margin: 0.25rem 0;
}

.docs-toc a {
  display: block;
  padding: 0.25rem 0.5rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 0.25rem;
  transition: all 0.2s;
}

.docs-toc a:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}