/* FORGE Framework - NeoForge Inspired Theme System */

/* ============================================================================
   CSS Custom Properties (Design Tokens)
   ============================================================================ */

:root {
  /* Color Palette - Light Mode */
  --forge-primary: #1e40af;
  --forge-primary-hover: #1d4ed8;
  --forge-secondary: #7c3aed;
  --forge-secondary-hover: #8b5cf6;
  
  --forge-background: #ffffff;
  --forge-background-secondary: #f9fafb;
  --forge-background-tertiary: #f3f4f6;
  
  --forge-text-primary: #1f2937;
  --forge-text-secondary: #4b5563;
  --forge-text-muted: #6b7280;
  
  --forge-border: #e5e7eb;
  --forge-border-hover: #d1d5db;
  
  --forge-success: #10b981;
  --forge-warning: #f59e0b;
  --forge-error: #ef4444;
  --forge-info: #3b82f6;
  
  /* Shadows */
  --forge-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --forge-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --forge-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --forge-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --forge-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --forge-font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Font Sizes */
  --forge-text-xs: 0.75rem;
  --forge-text-sm: 0.875rem;
  --forge-text-base: 1rem;
  --forge-text-lg: 1.125rem;
  --forge-text-xl: 1.25rem;
  --forge-text-2xl: 1.5rem;
  --forge-text-3xl: 1.875rem;
  --forge-text-4xl: 2.25rem;
  --forge-text-5xl: 3rem;
  
  /* Spacing */
  --forge-space-1: 0.25rem;
  --forge-space-2: 0.5rem;
  --forge-space-3: 0.75rem;
  --forge-space-4: 1rem;
  --forge-space-5: 1.25rem;
  --forge-space-6: 1.5rem;
  --forge-space-8: 2rem;
  --forge-space-10: 2.5rem;
  --forge-space-12: 3rem;
  --forge-space-16: 4rem;
  --forge-space-20: 5rem;
  
  /* Border Radius */
  --forge-radius-sm: 0.125rem;
  --forge-radius: 0.25rem;
  --forge-radius-md: 0.375rem;
  --forge-radius-lg: 0.5rem;
  --forge-radius-xl: 0.75rem;
  --forge-radius-2xl: 1rem;
  
  /* Transitions */
  --forge-transition: all 0.15s ease-in-out;
  --forge-transition-slow: all 0.3s ease-in-out;
  
  /* Layout */
  --forge-max-width: 1200px;
  --forge-content-width: 65ch;
}

/* Dark Mode Color Palette */
[data-theme="dark"] {
  --forge-primary: #3b82f6;
  --forge-primary-hover: #2563eb;
  --forge-secondary: #a855f7;
  --forge-secondary-hover: #9333ea;
  
  --forge-background: #0f172a;
  --forge-background-secondary: #1e293b;
  --forge-background-tertiary: #334155;
  
  --forge-text-primary: #f1f5f9;
  --forge-text-secondary: #e2e8f0;
  --forge-text-muted: #cbd5e1;
  
  --forge-border: #334155;
  --forge-border-hover: #475569;
  
  --forge-success: #22c55e;
  --forge-warning: #fbbf24;
  --forge-error: #f87171;
  --forge-info: #60a5fa;
  
  /* Darker shadows for dark mode */
  --forge-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --forge-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
  --forge-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --forge-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}

/* ============================================================================
   Base Styles Override
   ============================================================================ */

body {
  font-family: var(--forge-font-sans);
  background-color: var(--forge-background);
  color: var(--forge-text-primary);
  transition: var(--forge-transition-slow);
  line-height: 1.6;
}

/* Typography Improvements */
h1, h2, h3, h4, h5, h6 {
  color: var(--forge-text-primary);
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: var(--forge-text-4xl); }
h2 { font-size: var(--forge-text-3xl); }
h3 { font-size: var(--forge-text-2xl); }
h4 { font-size: var(--forge-text-xl); }
h5 { font-size: var(--forge-text-lg); }
h6 { font-size: var(--forge-text-base); }

p {
  color: var(--forge-text-secondary);
  margin-bottom: var(--forge-space-4);
}

/* Links */
a {
  color: var(--forge-primary);
  text-decoration: none;
  transition: var(--forge-transition);
}

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

/* ============================================================================
   Theme Toggle Component
   ============================================================================ */

.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: var(--forge-background-secondary);
  border: 1px solid var(--forge-border);
  border-radius: var(--forge-radius-lg);
  padding: var(--forge-space-2);
  cursor: pointer;
  transition: var(--forge-transition);
  user-select: none;
}

.theme-toggle:hover {
  background: var(--forge-background-tertiary);
  border-color: var(--forge-border-hover);
}

.theme-toggle__icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: var(--forge-transition);
}

.theme-toggle__icon--light {
  display: block;
}

.theme-toggle__icon--dark {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--light {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--dark {
  display: block;
}

/* ============================================================================
   Card Components
   ============================================================================ */

.forge-card {
  background: var(--forge-background);
  border: 1px solid var(--forge-border);
  border-radius: var(--forge-radius-lg);
  padding: var(--forge-space-6);
  box-shadow: var(--forge-shadow-sm);
  transition: var(--forge-transition);
}

.forge-card:hover {
  box-shadow: var(--forge-shadow-md);
  transform: translateY(-1px);
}

.forge-card__title {
  font-size: var(--forge-text-xl);
  font-weight: 600;
  color: var(--forge-text-primary);
  margin-bottom: var(--forge-space-3);
}

.forge-card__content {
  color: var(--forge-text-secondary);
}

/* ============================================================================
   Button Components
   ============================================================================ */

.forge-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--forge-space-3) var(--forge-space-6);
  background: var(--forge-primary);
  color: white;
  border: none;
  border-radius: var(--forge-radius-md);
  font-size: var(--forge-text-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--forge-transition);
  user-select: none;
}

.forge-btn:hover {
  background: var(--forge-primary-hover);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--forge-shadow-md);
}

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

.forge-btn--secondary:hover {
  background: var(--forge-background-tertiary);
  color: var(--forge-text-primary);
}

.forge-btn--large {
  padding: var(--forge-space-4) var(--forge-space-8);
  font-size: var(--forge-text-lg);
}

/* ============================================================================
   Alert/Callout Components
   ============================================================================ */

.forge-alert {
  padding: var(--forge-space-4);
  border-radius: var(--forge-radius-md);
  border-left: 4px solid;
  margin: var(--forge-space-4) 0;
}

.forge-alert__title {
  font-weight: 600;
  margin-bottom: var(--forge-space-2);
}

.forge-alert--info {
  background: rgba(59, 130, 246, 0.1);
  border-left-color: var(--forge-info);
  color: var(--forge-text-primary);
}

.forge-alert--success {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: var(--forge-success);
  color: var(--forge-text-primary);
}

.forge-alert--warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--forge-warning);
  color: var(--forge-text-primary);
}

.forge-alert--error {
  background: rgba(239, 68, 68, 0.1);
  border-left-color: var(--forge-error);
  color: var(--forge-text-primary);
}

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

code {
  background: var(--forge-background-secondary);
  color: var(--forge-text-primary);
  padding: var(--forge-space-1) var(--forge-space-2);
  border-radius: var(--forge-radius);
  font-family: var(--forge-font-mono);
  font-size: var(--forge-text-sm);
}

pre {
  background: var(--forge-background-secondary);
  border: 1px solid var(--forge-border);
  border-radius: var(--forge-radius-md);
  padding: var(--forge-space-4);
  overflow-x: auto;
  margin: var(--forge-space-4) 0;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* ============================================================================
   Progress Indicators (FORGE Status Style)
   ============================================================================ */

.forge-progress {
  display: flex;
  align-items: center;
  gap: var(--forge-space-2);
  margin: var(--forge-space-2) 0;
}

.forge-progress__label {
  font-weight: 500;
  color: var(--forge-text-primary);
  min-width: 120px;
}

.forge-progress__bar {
  flex: 1;
  height: 8px;
  background: var(--forge-background-secondary);
  border-radius: var(--forge-radius);
  overflow: hidden;
}

.forge-progress__fill {
  height: 100%;
  background: var(--forge-primary);
  border-radius: var(--forge-radius);
  transition: var(--forge-transition-slow);
}

.forge-progress__percentage {
  font-size: var(--forge-text-sm);
  color: var(--forge-text-muted);
  min-width: 40px;
  text-align: right;
}

/* ============================================================================
   Mobile Responsive Utilities
   ============================================================================ */

@media (max-width: 768px) {
  :root {
    --forge-space-4: 0.75rem;
    --forge-space-6: 1rem;
    --forge-space-8: 1.25rem;
  }
  
  .forge-card {
    padding: var(--forge-space-4);
  }
  
  .forge-btn {
    padding: var(--forge-space-2) var(--forge-space-4);
    font-size: var(--forge-text-sm);
  }
  
  h1 { font-size: var(--forge-text-3xl); }
  h2 { font-size: var(--forge-text-2xl); }
  h3 { font-size: var(--forge-text-xl); }
}

/* ============================================================================
   Animation Classes
   ============================================================================ */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.forge-fade-in {
  animation: fadeIn 0.3s ease-out;
}

/* ============================================================================
   Just the Docs Theme Overrides
   ============================================================================ */

/* Override sidebar background and text colors */
.side-bar {
  background-color: var(--forge-background-secondary) !important;
  border-right: 1px solid var(--forge-border) !important;
}

.site-header {
  border-bottom: 1px solid var(--forge-border) !important;
}

.site-title {
  color: var(--forge-text-primary) !important;
}

.site-title:hover {
  background-image: linear-gradient(-90deg, var(--forge-background-tertiary) 0%, rgba(var(--forge-background-tertiary), 0.8) 80%, rgba(var(--forge-background-tertiary), 0) 100%) !important;
}

/* Navigation styling */
.nav-list .nav-list-item .nav-list-link {
  color: var(--forge-text-secondary) !important;
}

.nav-list .nav-list-item .nav-list-link:hover,
.nav-list .nav-list-item .nav-list-link.active {
  background-image: linear-gradient(-90deg, var(--forge-background-tertiary) 0%, rgba(var(--forge-background-tertiary), 0.8) 80%, rgba(var(--forge-background-tertiary), 0) 100%) !important;
  color: var(--forge-text-primary) !important;
}

.nav-list .nav-list-item > .nav-list .nav-list-item .nav-list-link {
  color: var(--forge-text-muted) !important;
}

.nav-list .nav-list-item .nav-list-expander {
  color: var(--forge-primary) !important;
}

.nav-list .nav-list-item .nav-list-expander:hover {
  background-image: linear-gradient(-90deg, var(--forge-background-tertiary) 0%, rgba(var(--forge-background-tertiary), 0.8) 100%) !important;
}

.nav-list .nav-list-item > .nav-list .nav-list-item .nav-list-expander {
  color: var(--forge-text-muted) !important;
}

.nav-category {
  color: var(--forge-text-primary) !important;
  border-bottom: 1px solid var(--forge-border) !important;
}

/* Main header styling */
.main-header {
  border-bottom: 1px solid var(--forge-border) !important;
}

[data-theme="dark"] .side-bar + .main .main-header {
  background-color: var(--forge-background) !important;
}

/* Search styling */
.search-input {
  background-color: var(--forge-background) !important;
  border: 1px solid var(--forge-border) !important;
  color: var(--forge-text-primary) !important;
}

.search-input::placeholder {
  color: var(--forge-text-muted) !important;
}

.search-input:focus {
  border-color: var(--forge-primary) !important;
  box-shadow: 0 0 0 2px rgba(var(--forge-primary), 0.1) !important;
}

/* Footer styling */
.site-footer {
  border-top: 1px solid var(--forge-border) !important;
  color: var(--forge-text-muted) !important;
}

/* Icon colors */
.icon {
  color: var(--forge-primary) !important;
}

/* Main content anchor headings */
.main-content .anchor-heading svg {
  color: var(--forge-primary) !important;
}

/* Blockquotes */
blockquote {
  border-left: 3px solid var(--forge-border) !important;
  color: var(--forge-text-secondary) !important;
}

/* Code highlighting overrides for dark mode */
[data-theme="dark"] .highlight,
[data-theme="dark"] pre.highlight {
  background: var(--forge-background-secondary) !important;
  color: var(--forge-text-primary) !important;
}

[data-theme="dark"] .highlight pre {
  background: var(--forge-background-secondary) !important;
}

/* Table styling */
.main-content table {
  background-color: var(--forge-background) !important;
  border: 1px solid var(--forge-border) !important;
}

.main-content th,
.main-content td {
  border: 1px solid var(--forge-border) !important;
  color: var(--forge-text-primary) !important;
}

.main-content th {
  background-color: var(--forge-background-secondary) !important;
}

/* ============================================================================
   Accessibility Improvements
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators */
*:focus {
  outline: 2px solid var(--forge-primary);
  outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}