:root {

    --card-bg: #ffffff;
  --text-color: #000000;
    /* Primitive Color Tokens */
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-cream-50: rgba(252, 252, 249, 1);
    --color-cream-100: rgba(255, 255, 253, 1);
    --color-gray-200: rgba(245, 245, 245, 1);
    --color-gray-300: rgba(167, 169, 169, 1);
    --color-gray-400: rgba(119, 124, 124, 1);
    --color-slate-500: rgba(98, 108, 113, 1);
    --color-brown-600: rgba(94, 82, 64, 1);
    --color-charcoal-700: rgba(31, 33, 33, 1);
    --color-charcoal-800: rgba(38, 40, 40, 1);
    --color-slate-900: rgba(19, 52, 59, 1);
    --color-teal-300: rgba(50, 184, 198, 1);
    --color-teal-400: rgba(45, 166, 178, 1);
    --color-teal-500: rgba(33, 128, 141, 1);
    --color-teal-600: rgba(29, 116, 128, 1);
    --color-teal-700: rgba(26, 104, 115, 1);
    --color-teal-800: rgba(41, 150, 161, 1);
    --color-red-400: rgba(255, 84, 89, 1);
    --color-red-500: rgba(192, 21, 47, 1);
    --color-orange-400: rgba(230, 129, 97, 1);
    --color-orange-500: rgba(168, 75, 47, 1);




    /* RGB versions for opacity control */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;
    --color-slate-500-rgb: 98, 108, 113;
    --color-red-500-rgb: 192, 21, 47;
    --color-red-400-rgb: 255, 84, 89;
    --color-orange-500-rgb: 168, 75, 47;
    --color-orange-400-rgb: 230, 129, 97;

    /* Background color tokens (Light Mode) */
    --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
    --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
    --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
    --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
    --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
    --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
    --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
    --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
    --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

    /* Common style patterns */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for opacity control */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;

    /* Typography */
    --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
      BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
      Monaco, Consolas, monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;

    /* Spacing */
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
      0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
      0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
      inset 0 -1px 0 rgba(0, 0, 0, 0.03);

    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
  }

  /* Dark mode colors */
  @media (prefers-color-scheme: dark) {
    :root {
      /* RGB versions for opacity control (Dark Mode) */
      --color-gray-400-rgb: 119, 124, 124;
      --color-teal-300-rgb: 50, 184, 198;
      --color-gray-300-rgb: 167, 169, 169;
      --color-gray-200-rgb: 245, 245, 245;

      /* Background color tokens (Dark Mode) */
      --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
      --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
      --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
      --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
      --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
      --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
      --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
      --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
      
      /* Semantic Color Tokens (Dark Mode) */
      --color-background: var(--color-charcoal-700);
      --color-surface: var(--color-charcoal-800);
      --color-text: var(--color-gray-200);
      --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
      --color-primary: var(--color-teal-300);
      --color-primary-hover: var(--color-teal-400);
      --color-primary-active: var(--color-teal-800);
      --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
      --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
      --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
      --color-border: rgba(var(--color-gray-400-rgb), 0.3);
      --color-error: var(--color-red-400);
      --color-success: var(--color-teal-300);
      --color-warning: var(--color-orange-400);
      --color-info: var(--color-gray-300);
      --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
      --color-btn-primary-text: var(--color-slate-900);
      --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
      --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
      --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
      --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
      --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
      --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

      /* Common style patterns - updated for dark mode */
      --focus-ring: 0 0 0 3px var(--color-focus-ring);
      --focus-outline: 2px solid var(--color-primary);
      --status-bg-opacity: 0.15;
      --status-border-opacity: 0.25;
      --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

      /* RGB versions for dark mode */
      --color-success-rgb: var(--color-teal-300-rgb);
      --color-error-rgb: var(--color-red-400-rgb);
      --color-warning-rgb: var(--color-orange-400-rgb);
      --color-info-rgb: var(--color-gray-300-rgb);
    }
  }

  /* Data attribute for manual theme switching */
  [data-color-scheme="dark"] {

 --card-bg: #1e1e1e;
  --text-color: #f1f1f1;

  
    /* RGB versions for opacity control (dark mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Colorful background palette - Dark Mode */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
    
    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }

  [data-color-scheme="light"] {


    /* RGB versions for opacity control (light mode) */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;
    
    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

    /* RGB versions for light mode */
    --color-success-rgb: var(--color-teal-500-rgb);
    --color-error-rgb: var(--color-red-500-rgb);
    --color-warning-rgb: var(--color-orange-500-rgb);
    --color-info-rgb: var(--color-slate-500-rgb);
  }

  /* Base styles */
  html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
  }

  body {
    margin: 0;
    padding: 0;
  }

  *,
  *::before,
  *::after {
    box-sizing: inherit;
  }

  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
  }

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

  p {
    margin: 0 0 var(--space-16) 0;
  }

  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
  }

  a:hover {
    color: var(--color-primary-hover);
  }

  code,
  pre {
    font-family: var(--font-family-mono);
    font-size: calc(var(--font-size-base) * 0.95);
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
  }

  code {
    padding: var(--space-1) var(--space-4);
  }

  pre {
    padding: var(--space-16);
    margin: var(--space-16) 0;
    overflow: auto;
    border: 1px solid var(--color-border);
  }

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

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
    position: relative;
  }

  .btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }

  .btn--primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
  }

  .btn--primary:hover {
    background: var(--color-primary-hover);
  }

  .btn--primary:active {
    background: var(--color-primary-active);
  }

  .btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text);
  }

  .btn--secondary:hover {
    background: var(--color-secondary-hover);
  }

  .btn--secondary:active {
    background: var(--color-secondary-active);
  }

  .btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }

  .btn--outline:hover {
    background: var(--color-secondary);
  }

  .btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
  }

  .btn--lg {
    padding: var(--space-10) var(--space-20);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
  }

  .btn--full-width {
    width: 100%;
  }

  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  /* Form elements */
  .form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard),
      box-shadow var(--duration-fast) var(--ease-standard);
  }

  textarea.form-control {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
  }

  select.form-control {
    padding: var(--space-8) var(--space-12);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: var(--select-caret-light);
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    background-size: 16px;
    padding-right: var(--space-32);
  }

  /* Add a dark mode specific caret */
  @media (prefers-color-scheme: dark) {
    select.form-control {
      background-image: var(--select-caret-dark);
    }
  }

  /* Also handle data-color-scheme */
  [data-color-scheme="dark"] select.form-control {
    background-image: var(--select-caret-dark);
  }

  [data-color-scheme="light"] select.form-control {
    background-image: var(--select-caret-light);
  }

  .form-control:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
  }

  .form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }

  .form-group {
    margin-bottom: var(--space-16);
  }

  /* Card component */
  .card {
    background-color: var(--card-bg);
     color: var(--text-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--duration-normal) var(--ease-standard);
  }

  .card:hover {
    box-shadow: var(--shadow-md);
  }

  .card__body {
    padding: var(--space-16);
  }

  .card__header,
  .card__footer {
    padding: var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
  }

  /* Status indicators - simplified with CSS variables */
  .status {
    display: inline-flex;
    align-items: center;
    padding: var(--space-6) var(--space-12);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }

  .status--success {
    background-color: rgba(
      var(--color-success-rgb, 33, 128, 141),
      var(--status-bg-opacity)
    );
    color: var(--color-success);
    border: 1px solid
      rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
  }

  .status--error {
    background-color: rgba(
      var(--color-error-rgb, 192, 21, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-error);
    border: 1px solid
      rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
  }

  .status--warning {
    background-color: rgba(
      var(--color-warning-rgb, 168, 75, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-warning);
    border: 1px solid
      rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
  }

  .status--info {
    background-color: rgba(
      var(--color-info-rgb, 98, 108, 113),
      var(--status-bg-opacity)
    );
    color: var(--color-info);
    border: 1px solid
      rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
  }

  /* Container layout */
  .container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
  }

  @media (min-width: 640px) {
    .container {
      max-width: var(--container-sm);
    }
  }
  @media (min-width: 768px) {
    .container {
      max-width: var(--container-md);
    }
  }
  @media (min-width: 1024px) {
    .container {
      max-width: var(--container-lg);
    }
  }
  @media (min-width: 1280px) {
    .container {
      max-width: var(--container-xl);
    }
  }

  /* Utility classes */
  .flex {
    display: flex;
  }
  .flex-col {
    flex-direction: column;
  }
  .items-center {
    align-items: center;
  }
  .justify-center {
    justify-content: center;
  }
  .justify-between {
    justify-content: space-between;
  }
  .gap-4 {
    gap: var(--space-4);
  }
  .gap-8 {
    gap: var(--space-8);
  }
  .gap-16 {
    gap: var(--space-16);
  }

  .m-0 {
    margin: 0;
  }
  .mt-8 {
    margin-top: var(--space-8);
  }
  .mb-8 {
    margin-bottom: var(--space-8);
  }
  .mx-8 {
    margin-left: var(--space-8);
    margin-right: var(--space-8);
  }
  .my-8 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
  }

  .p-0 {
    padding: 0;
  }
  .py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
  .py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
  .px-16 {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }

  .block {
    display: block;
  }
  .hidden {
    display: none;
  }

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

  :focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
  }

  /* Dark mode specifics */
  [data-color-scheme="dark"] .btn--outline {
    border: 1px solid var(--color-border-secondary);
  }

  @font-face {
    font-family: 'FKGroteskNeue';
    src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
      format('woff2');
  }

  /* END PERPLEXITY DESIGN SYSTEM */
  /* KSU CUCEK Enhanced Styles with GSAP Animations & Responsiveness */

  /* Base Layout */
  body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 80px;
    overflow-x: hidden;
  }

  /* Scroll Progress Bar */
  .scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-primary);
    z-index: 1001;
    transform-origin: left;
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-standard);
  }

  /********************
    Header & Navigation
  *********************/
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    backdrop-filter: blur(8px);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  .logo {
    font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-3xl));
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    cursor: pointer;
    transition: transform var(--duration-fast) var(--ease-standard);
  }

  .logo:hover {
    transform: scale(1.05);
  }

  .header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-16);
  }

  .desktop-nav {
    display: flex;
  }

  @media (max-width: 768px) {
    .desktop-nav {
      display: none;
    }
  }

  /* Mobile Menu Toggle */
  .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-4);
    gap: var(--space-4);
    min-width: 48px;
    min-height: 48px;
    justify-content: center;
    align-items: center;
  }

  @media (max-width: 768px) {
    .mobile-menu-toggle {
      display: flex;
    }
  }

  .hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--duration-normal) var(--ease-standard);
    transform-origin: center;
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  /* Mobile Menu */
  .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .mobile-menu-content {
    padding: var(--space-16);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
  }

  .mobile-tab-btn {
    background: none;
    border: none;
    padding: var(--space-12) var(--space-16);
    text-align: left;
    font-size: var(--font-size-base);
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .mobile-tab-btn:hover {
    background: var(--color-bg-1);
    color: var(--color-primary);
  }

  /********************
    Dark Mode Toggle
  *********************/
  .theme-toggle {
    --toggle-width: 60px;
    --toggle-height: 30px;
    position: relative;
    display: inline-block;
    width: var(--toggle-width);
    height: var(--toggle-height);
    cursor: pointer;
  }

  .theme-toggle .toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-standard);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
  }

  .toggle-icon {
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
  }

  .theme-toggle .toggle-slider::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  #darkModeToggle:checked + .toggle-slider {
    background: rgba(var(--color-teal-500-rgb), 0.3);
  }

  #darkModeToggle:checked + .toggle-slider::before {
    transform: translateX(30px);
  }

  /********************
    Tab Strip (Mobile/Tablet)
  *********************/
  .tab-strip {
    display: none;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .tab-strip::-webkit-scrollbar {
    display: none;
  }

  @media (max-width: 768px) {
    .tab-strip {
      display: block;
    }
    
    body {
      padding-top: 140px;
    }
  }

  .tab-strip-wrapper {
    display: flex;
    min-width: max-content;
    padding: 0 var(--space-16);
  }

  .tab-strip-btn {
    background: none;
    border: none;
    padding: var(--space-12) var(--space-20);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: all var(--duration-fast) var(--ease-standard);
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .tab-strip-btn:hover {
    color: var(--color-primary);
    background: var(--color-bg-1);
  }

  .tab-strip-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
  }

  /********************
    Desktop Tab Buttons
  *********************/
  .tab-buttons {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .tab-buttons::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    background: none;
    border: none;
    padding: var(--space-16) var(--space-20);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    position: relative;
    transition: all var(--duration-normal) var(--ease-standard);
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .tab-btn:hover {
    color: var(--color-primary);
    background: var(--color-bg-1);
  }

  .tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
  }

  /********************
    Sections & Content
  *********************/
  .section-header {
    margin-bottom: var(--space-32);
    text-align: center;
  }

  .section-header h2 {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
    margin-bottom: var(--space-8);
    color: var(--color-primary);
  }

  .section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
  }

  /********************
    Tables
  *********************/
  .table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-24);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    font-size: clamp(var(--font-size-sm), 2.5vw, var(--font-size-base));
   /* table-layout: fixed;  important for equal-width columns */
  }

  .data-table th,
  .data-table td {
    padding: clamp(var(--space-8), 2vw, var(--space-16));
    border-bottom: 1px solid var(--color-card-border-inner);
    text-align: left;
  }

  /* ✨ Divider effect for 3rd column (midpoint) */
  #bus .data-table th:nth-child(3),
  #bus .data-table td:nth-child(3) {
    border-left: 2px solid var(--color-primary);
  }

  .data-table th {
    font-weight: var(--font-weight-semibold);
    background: var(--color-secondary);
    color: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 1;
  }

  .data-table tr:last-child td {
    border-bottom: none;
  }

  .data-table tr {
    transition: all var(--duration-fast) var(--ease-standard);
  }

  .data-table tr:hover {
    background: var(--color-bg-1);
    transform: scale(1.01);
  }


  /********************
    Bus Routes
  *********************/
.bus-routes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(var(--space-16), 4vw, var(--space-32));
}

  .route-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-20);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-card-border);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  .route-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .route-section h3 {
    margin-bottom: var(--space-16);
    color: var(--color-primary);
    font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-xl));
  }

  /********************
    Syllabus Form
  *********************/
  .syllabus-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-surface);
    padding: clamp(var(--space-20), 4vw, var(--space-32));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-card-border);
  }

  .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-20);
    margin-bottom: var(--space-24);
  }

  .form-control:focus {
    transform: scale(1.02);
    box-shadow: var(--focus-ring);
  }

  .download-btn {
    width: 100%;
    font-size: clamp(var(--font-size-base), 3vw, var(--font-size-lg));
    padding: clamp(var(--space-12), 2vw, var(--space-16)) var(--space-24);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  /********************
    Hostels Section
  *********************/
  .search-wrapper {
    margin: var(--space-24) 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .search-input {
    font-size: clamp(var(--font-size-sm), 2.5vw, var(--font-size-base));
    padding: var(--space-12) var(--space-16);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  .search-input:focus {
    transform: scale(1.02);
    box-shadow: var(--focus-ring);
  }

  .hostels-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
  }

  .hostels-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-card-border);
    overflow: hidden;
  }

  .hostels-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-20);
    cursor: pointer;
    background: var(--color-secondary);
    transition: all var(--duration-fast) var(--ease-standard);
    min-height: 48px;
  }

  .hostels-header:hover {
    background: var(--color-secondary-hover);
  }

  .hostels-header h3 {
    margin: 0;
    color: var(--color-primary);
    font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-xl));
  }

  .accordion-icon {
    font-size: var(--font-size-lg);
    transition: transform var(--duration-normal) var(--ease-standard);
    color: var(--color-primary);
  }

  .hostels-header.collapsed .accordion-icon {
    transform: rotate(-90deg);
  }

  .hostels-content {
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-standard);
  }

  .hostels-content.collapsed {
    max-height: 0;
  }

  .hostel-row.filtered {
    opacity: 0.3;
    transform: scale(0.95);
  }

  /********************
    QR Grid
  *********************/
  .qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: clamp(var(--space-16), 4vw, var(--space-24));
    max-width: 1000px;
    margin: 0 auto;
  }

  .qr-card {
    background: var(--color-surface);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: clamp(var(--space-16), 3vw, var(--space-24));
    text-align: center;
    transition: all var(--duration-normal) var(--ease-standard);
    cursor: pointer;
  }

  .qr-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--color-primary);
  }

  .qr-placeholder {
    font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-4xl));
    background: var(--color-bg-6);
    border-radius: var(--radius-md);
    width: clamp(100px, 20vw, 120px);
    height: clamp(100px, 20vw, 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-16);
    transition: all var(--duration-normal) var(--ease-standard);
  }

  .qr-card:hover .qr-placeholder {
    transform: scale(1.1) rotate(5deg);
  }

  .qr-card figcaption {
    font-weight: var(--font-weight-semibold);
    font-size: clamp(var(--font-size-base), 3vw, var(--font-size-lg));
    margin-bottom: var(--space-8);
    color: var(--color-text);
  }

  .qr-desc {
    font-size: clamp(var(--font-size-xs), 2vw, var(--font-size-sm));
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.4;
  }

  /********************
    Footer
  *********************/
  .footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: clamp(var(--font-size-xs), 2vw, var(--font-size-sm));
    color: var(--color-text-secondary);
    margin-top: auto;
    text-align: center;
  }

  /********************
    Responsive Adjustments
  *********************/
  @media (max-width: 480px) {
    .container {
      padding-left: var(--space-12);
      padding-right: var(--space-12);
    }

    .section-header {
      margin-bottom: var(--space-20);
    }

    .bus-routes {
      grid-template-columns: 1fr;
    }

    .form-row {
      grid-template-columns: 1fr;
      gap: var(--space-16);
    }

    .data-table {
      font-size: var(--font-size-xs);
    }

    .data-table th,
    .data-table td {
      padding: var(--space-6) var(--space-8);
    }
  }

  /********************
    Animation Helper Classes
  *********************/
  .section-animate,
  .table-row-animate,
  .scale-animate {
    /* GSAP will handle animations */
  }

  .dropdown-animate:focus {
    animation: pulse 0.4s ease-in-out;
  }

  @keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
  }

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

    .qr-card:hover,
    .route-section:hover,
    .download-btn:hover {
      transform: none;
    }
  }

  /********************
    Print Styles
  *********************/
  @media print {
    .header,
    .tab-strip,
    .footer {
      display: none;
    }

    body {
      padding-top: 0;
    }

    .hidden {
      display: none !important;
    }
  }

  /* Smooth transitions for theme changes */
  * {
    transition: background-color var(--duration-fast) var(--ease-standard),
                color var(--duration-fast) var(--ease-standard),
                border-color var(--duration-fast) var(--ease-standard);
  }

  .helpdesk-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .helpdesk-card {
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .card-header {
    width: 100%;
    text-align: left;
    padding: 1rem;
    font-weight: bold;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
  }

  .card-body {
    padding: 1rem;
    background: var(--color-bg-1);
    border-top: 1px solid var(--color-card-border-inner);
    transition: all 0.3s ease;
  }

  .card-body.hidden {
    display: none;
  }

  .contact-name {
    font-size: 1.1rem;
    font-weight: 600;
  }

  .contact-role {
    font-size: 0.9rem;
    color: var(--color-text-muted);
  }

  .contact-phone,
  .contact-email {
    font-size: 0.9rem;
    margin-top: 0.3rem;
  }

  .help-card {
    cursor: pointer;
    transition: transform 0.2s ease;
    min-width: 150px;
  }

  .help-card .contact-extra {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-top: 0.25rem;
  }

.help-modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-modal.hidden {
  display: none;
}

.help-modal-content {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 2rem;
  border-radius: var(--radius-lg);
  max-width: 350px;
  width: 90%;
  text-align: center;
  position: relative;
  animation: zoomIn 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.help-modal-heading {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
  color: var(--color-primary);
}

.help-modal-name {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-text);
}

.help-modal-role,
.help-modal-phone,
.help-modal-email {
  font-size: 0.95rem;
  margin-top: 0.25rem;
  color: var(--color-text-secondary);
}

.help-modal-close {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  background: transparent;
  border: none;
}


.hostel-switch {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hostel-toggle-buttons .btn.active {
  background-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hostel-slide-in {
  animation: slideIn 0.4s ease-out;
}

#boysBtn,
#girlsBtn {
  background-color: #e0e0e0; /* soft gray in light mode */
  color: var(--color-primary);
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  margin: 0.5rem;
}

#boysBtn.active,
#girlsBtn.active {
  background-color: #007BFF; /* blue */
  color: white;
}

[data-color-scheme="dark"] #boysBtn,
[data-color-scheme="dark"] #girlsBtn {
  background-color: #333;
  color:var(--color-primary);
}

[data-color-scheme="dark"] #boysBtn.active,
[data-color-scheme="dark"] #girlsBtn.active {
  background-color: #3399ff;
  color: #fff;
}


.zoom-in {
  animation: zoomIn 0.2s ease forwards;
}

.zoom-out {
  animation: zoomOut 0.2s ease forwards;
}
#modal.zoom-in {
  animation: zoomIn 0.3s ease forwards;
}
#modal.zoom-out {
  animation: zoomOut 0.2s ease forwards;
}

/* --- CORRECTED MODAL AND OVERLAY STYLES --- 
*/

#overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 999;
}

#overlay.show {
  display: flex;
}

#modal {
  position: relative;
  background-color: var(--card-bg);
  color: var(--text-color);
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  z-index: 1000;
  display: none;
  width: 90%;
  max-width: 320px;
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes zoomOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0.9);
        opacity: 0;
    }
}

#preloader {
  /* Positioning */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999; /* Ensures it's on top of all other content */

  /* Centering the logo */
  display: flex;
  justify-content: center;
  align-items: center;

  /* Background */
  background-color: #ffffff; /* Or your site's background color */

  /* Fade out transition */
  transition: opacity 0.75s, visibility 0.75s;
}

/* Optional: Add a simple animation to the logo */
#preloader img {
  /*width: 250px;  Adjust size as needed */
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}