/* ==========================================================================
   CORE STYLES - Light Theme (Claude-inspired)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Fonts
   -------------------------------------------------------------------------- */
   @font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter Regular'), local('Inter-Regular'),
         url('https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiJ-Ek-_EeA.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Inter Medium'), local('Inter-Medium'),
         url('https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZ9hiJ-Ek-_EeA.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter SemiBold'), local('Inter-SemiBold'),
         url('https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZ9hiJ-Ek-_EeA.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter Bold'), local('Inter-Bold'),
         url('https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZ9hiJ-Ek-_EeA.woff2') format('woff2');
  }
  
  /* --------------------------------------------------------------------------
     CSS Variables - Light Theme
     -------------------------------------------------------------------------- */
  :root {
    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
    /* Primary palette - Claude inspired */
    --primary: #D97706;
    --primary-hover: #B45309;
    --primary-light: #FEF3C7;
    --primary-rgb: 217, 119, 6;
  
    /* Neutral palette */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F4;
    --gray-200: #E7E5E4;
    --gray-300: #D6D3D1;
    --gray-400: #A8A29E;
    --gray-500: #78716C;
    --gray-600: #57534E;
    --gray-700: #44403C;
    --gray-800: #292524;
    --gray-900: #1C1917;
    --black: #0C0A09;
  
    /* Semantic colors */
    --success: #059669;
    --success-light: #D1FAE5;
    --warning: #D97706;
    --warning-light: #FEF3C7;
    --danger: #DC2626;
    --danger-light: #FEE2E2;
    --info: #0284C7;
    --info-light: #E0F2FE;
  
    /* Background */
    --bg-body: var(--gray-50);
    --bg-surface: var(--white);
    --bg-elevated: var(--white);
    --bg-muted: var(--gray-100);
  
    /* Text */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --text-inverse: var(--white);
  
    /* Borders */
    --border-color: var(--gray-200);
    --border-light: var(--gray-100);
  
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 0.75rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
  
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
  
    /* Bootstrap overrides */
    --bs-body-bg: var(--bg-body);
    --bs-body-color: var(--text-primary);
    --bs-primary: var(--primary);
    --bs-primary-rgb: var(--primary-rgb);
    --bs-border-color: var(--border-color);
    --bs-link-color: var(--primary);
    --bs-link-hover-color: var(--primary-hover);
  }
  
  /* --------------------------------------------------------------------------
     CSS Variables - Dark Theme (Claude-inspired)
     -------------------------------------------------------------------------- */
  [data-theme="dark"] {
    /* Primary palette - amber on dark */
    --primary: #F59E0B;
    --primary-hover: #FBBF24;
    --primary-light: rgba(245, 158, 11, 0.15);
    --primary-rgb: 245, 158, 11;
  
    /* Neutral palette - inverted */
    --white: #1C1917;
    --gray-50: #1C1917;
    --gray-100: #292524;
    --gray-200: #44403C;
    --gray-300: #57534E;
    --gray-400: #78716C;
    --gray-500: #A8A29E;
    --gray-600: #D6D3D1;
    --gray-700: #E7E5E4;
    --gray-800: #F5F5F4;
    --gray-900: #FAFAFA;
    --black: #FFFFFF;
  
    /* Semantic colors - adjusted for dark */
    --success: #10B981;
    --success-light: rgba(16, 185, 129, 0.15);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --info: #3B82F6;
    --info-light: rgba(59, 130, 246, 0.15);
  
    /* Background */
    --bg-body: #0C0A09;
    --bg-surface: #1C1917;
    --bg-elevated: #292524;
    --bg-muted: #292524;
  
    /* Text */
    --text-primary: #FAFAFA;
    --text-secondary: #A8A29E;
    --text-muted: #78716C;
    --text-inverse: #1C1917;
  
    /* Borders */
    --border-color: #44403C;
    --border-light: #292524;
  
    /* Shadows - more prominent on dark */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  
    /* Bootstrap overrides for dark */
    --bs-body-bg: var(--bg-body);
    --bs-body-color: var(--text-primary);
    --bs-border-color: var(--border-color);
  }
  
  /* --------------------------------------------------------------------------
     Theme Toggle Button
     -------------------------------------------------------------------------- */
  .theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .theme-toggle:hover {
    background-color: var(--bg-muted);
    color: var(--primary);
  }
  
  .theme-toggle i {
    font-size: 1rem;
  }
  
  /* --------------------------------------------------------------------------
     Base Reset & Typography
     -------------------------------------------------------------------------- */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  body {
    font-family: var(--font-family);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  
  a:hover {
    color: var(--primary-hover);
  }
  
  code, pre, kbd, samp, .mono {
    font-family: var(--font-mono);
  }
  
  /* --------------------------------------------------------------------------
     Navbar
     -------------------------------------------------------------------------- */
  .navbar {
    padding: var(--space-sm) 0;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
  }
  
  .navbar-brand {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary) !important;
    letter-spacing: -0.01em;
  }
  
  .navbar-brand:hover {
    color: var(--primary) !important;
  }
  
  .navbar-nav .nav-link {
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
  }
  
  .navbar-nav .nav-link:hover,
  .navbar-nav .nav-link:focus {
    color: var(--text-primary);
    background-color: var(--bg-muted);
  }
  
  .navbar-nav .nav-link i {
    margin-right: var(--space-xs);
    font-size: 0.875rem;
    opacity: 0.7;
  }
  
  .navbar-toggler {
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
  }
  
  .navbar-toggler:focus {
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.25);
  }
  
  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2357534E' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
  
  /* Mobile navbar */
  @media (max-width: 991.98px) {
    .navbar-collapse {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      margin-top: var(--space-sm);
      padding: var(--space-sm);
      box-shadow: var(--shadow-md);
    }
  
    .navbar-nav .nav-link {
      padding: var(--space-md);
    }
  
    .dropdown-menu {
      border: none;
      background: transparent;
      box-shadow: none;
      padding-left: var(--space-lg);
    }
  }
  
  /* Desktop dropdown hover */
  @media (min-width: 992px) {
    .navbar-nav .nav-item.dropdown:hover > .dropdown-menu {
      display: block;
      margin-top: 0;
      animation: dropdownFadeIn var(--transition-fast);
    }
  
    .navbar-nav .dropdown-toggle::after {
      transition: transform var(--transition-fast);
    }
  
    .navbar-nav .nav-item.dropdown:hover .dropdown-toggle::after {
      transform: rotate(180deg);
    }
  
    @keyframes dropdownFadeIn {
      from {
        opacity: 0;
        transform: translateY(-4px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  }
  
  /* --------------------------------------------------------------------------
     Main Content Area
     -------------------------------------------------------------------------- */
  main {
    flex: 1;
    padding-top: 60px;
    min-height: 0;
    overflow-y: auto;
  }
  
  .content-wrapper {
    min-height: 100%;
  }
  
  .content-container {
    padding: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* --------------------------------------------------------------------------
     Footer
     -------------------------------------------------------------------------- */
  .footer {
    position: relative;
    z-index: 200;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: var(--space-md) 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
  }
  
  .footer a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
  }
  
  .footer a:hover {
    color: var(--primary);
  }
  
  /* --------------------------------------------------------------------------
     Scrollbar
     -------------------------------------------------------------------------- */
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--bg-muted);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
  }
  
  /* --------------------------------------------------------------------------
     Utility Classes
     -------------------------------------------------------------------------- */
  .text-primary {
    color: var(--primary) !important;
  }
  
  .text-secondary {
    color: var(--text-secondary) !important;
  }
  
  .text-muted {
    color: var(--text-muted) !important;
  }

  .form-text {
    color: var(--text-muted) !important;
  }

  .text-success {
    color: var(--success) !important;
  }
  
  .text-warning {
    color: var(--warning) !important;
  }
  
  .text-danger {
    color: var(--danger) !important;
  }
  
  .bg-surface {
    background-color: var(--bg-surface) !important;
  }
  
  .bg-muted {
    background-color: var(--bg-muted) !important;
  }
  
  .border-subtle {
    border-color: var(--border-color) !important;
  }
  
  /* Legacy color classes (for JS compatibility) */
  .text-cyan {
    color: var(--primary) !important;
  }
  
  .text-info {
    color: var(--info) !important;
  }
  
  /* --------------------------------------------------------------------------
     Print Styles
     -------------------------------------------------------------------------- */
  @media print {
    .navbar,
    .footer {
      display: none !important;
    }
  
    main {
      padding-top: 0;
    }
  
    body {
      background: white;
    }
  }