/* ========================================
   Mutagoph Documentation Theme
   A modern, mutation-inspired documentation theme
   ======================================== */

:root {
  /* Mutation-inspired green colors */
  --green-primary: #10B981;
  --green-dark: #059669;
  --green-darker: #047857;
  --green-light: #6EE7B7;
  --green-subtle: #D1FAE5;

  /* Dark theme colors */
  --dark-bg: #0F172A;
  --dark-surface: #1E293B;
  --dark-surface-light: #334155;
  --dark-border: #475569;

  /* Light theme colors */
  --light-bg: #FFFFFF;
  --light-surface: #F8FAFC;
  --light-border: #E2E8F0;
  --light-text: #0F172A;
  --light-text-muted: #64748B;

  /* Semantic colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

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

  /* Shadows */
  --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 25px rgba(0, 0, 0, 0.1);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--light-text);
  background: var(--light-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark-bg);
  border-bottom: 1px solid var(--dark-border);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.brand-text {
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: var(--green-light);
  background: rgba(16, 185, 129, 0.15);
}

.nav-github {
  margin-left: var(--space-sm);
  padding: var(--space-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
  flex: 1;
  padding: var(--space-2xl) var(--space-lg);
}

.content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  gap: var(--space-2xl);
}

.content-container {
  flex: 1;
  max-width: 900px;
  min-width: 0;
}

/* ========================================
   Sidebar
   ======================================== */

.sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 88px;
  height: fit-content;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
}

.sidebar-nav {
  padding-right: var(--space-md);
}

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

.sidebar-section h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--light-text-muted);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-sm);
}

.sidebar-section ul,
.sidebar .sidebar-section ul,
.sidebar-nav .sidebar-section ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.sidebar-section li,
.sidebar .sidebar-section li,
.sidebar-nav .sidebar-section li {
  margin: 0 !important;
  list-style: none !important;
}

.sidebar-section a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--light-text);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.sidebar-section a:hover {
  background: var(--green-subtle);
  color: var(--green-dark);
}

.sidebar-section a.active {
  background: var(--green-primary);
  color: white;
  font-weight: 500;
}

.page-header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--light-border);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: var(--space-sm);
}

.page-description {
  font-size: 1.125rem;
  color: var(--light-text-muted);
}

/* ========================================
   Typography
   ======================================== */

.content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--light-text);
  line-height: 1.3;
}

.content h1:first-child {
  margin-top: 0;
}

.content h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--light-text);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--green-subtle);
}

.content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--light-text);
}

.content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--light-text);
}

.content p {
  margin-bottom: var(--space-md);
}

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

.content a:hover {
  color: var(--green-darker);
  text-decoration: underline;
}

.content strong {
  font-weight: 600;
  color: var(--light-text);
}

/* ========================================
   Lists
   ======================================== */

.content ul, .content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.content li {
  margin-bottom: var(--space-sm);
}

.content li > ul, .content li > ol {
  margin-top: var(--space-sm);
  margin-bottom: 0;
}

/* ========================================
   Code
   ======================================== */

.content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--green-subtle);
  color: var(--green-darker);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

.content pre {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: var(--dark-surface);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  border: 1px solid var(--dark-border);
}

.content pre code {
  background: transparent;
  color: #E4E4E7;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.7;
}

/* Syntax Highlighting */
.highlight .c, .highlight .c1, .highlight .cm { color: #6B7280; font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kp, .highlight .kr, .highlight .kt { color: var(--green-light); font-weight: 500; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sc, .highlight .sd, .highlight .se, .highlight .sh, .highlight .si, .highlight .sx, .highlight .sr { color: #FCD34D; }
.highlight .n, .highlight .na, .highlight .nb, .highlight .nc, .highlight .nd, .highlight .ne, .highlight .nf, .highlight .ni, .highlight .nl, .highlight .nn, .highlight .no, .highlight .nt, .highlight .nv { color: #E4E4E7; }
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh, .highlight .mo, .highlight .il { color: #F472B6; }
.highlight .o, .highlight .ow { color: #A78BFA; }
.highlight .p { color: #A1A1AA; }
.highlight .err { color: #F87171; }

/* ========================================
   Tables
   ======================================== */

.content table {
  width: 100%;
  margin: var(--space-lg) 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-border);
}

.content thead {
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 100%);
}

.content th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  color: white;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.content td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--light-border);
}

.content tbody tr:last-child td {
  border-bottom: none;
}

.content tbody tr:nth-child(even) {
  background: var(--light-surface);
}

.content tbody tr:hover {
  background: var(--green-subtle);
}

/* ========================================
   Blockquotes
   ======================================== */

.content blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--light-surface);
  border-left: 4px solid var(--green-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--light-text-muted);
}

.content blockquote p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Horizontal Rule
   ======================================== */

.content hr {
  margin: var(--space-2xl) 0;
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--light-border), transparent);
}

/* ========================================
   Images
   ======================================== */

.content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--dark-bg);
  border-top: 1px solid var(--dark-border);
  padding: var(--space-xl) var(--space-lg);
  margin-top: auto;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-content {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-links {
  margin-top: var(--space-sm);
}

.footer-links a {
  color: var(--green-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-links .separator {
  margin: 0 var(--space-sm);
  opacity: 0.5;
}

/* ========================================
   Responsive Design
   ======================================== */

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

  .content-wrapper {
    display: block;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--dark-bg);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-xs);
    border-bottom: 1px solid var(--dark-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-md);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .main-content {
    padding: var(--space-xl) var(--space-md);
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .content h1 {
    font-size: 1.75rem;
  }

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

  .content h3 {
    font-size: 1.25rem;
  }

  .content pre {
    padding: var(--space-md);
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    border-radius: 0;
    max-width: 100vw;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .content pre code {
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-all;
    overflow-wrap: anywhere;
    display: block;
    max-width: 100%;
  }

  .content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

.text-center { text-align: center; }
.text-muted { color: var(--light-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Feature cards for homepage */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.feature-card {
  padding: var(--space-lg);
  background: var(--light-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--light-border);
  transition: all var(--transition-normal);
}

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

.feature-card h3 {
  margin-top: 0;
  color: var(--green-dark);
}