:root {
    /* 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"] {
    /* 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(--color-surface);
    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 */
  :root {
    /* 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"] {
    /* 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(--color-surface);
    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 */
  
  /* ==========================================
     GHOST CURSOR CSS - ISOLATED & CLEAN
     ========================================== */
  
  /* Ghost container - only affects .ghost elements */
  .ghost {
    position: absolute;
    z-index: 1000;
    transform-origin: center;
    width: 90px;
    margin: var(--space-20) 0 0 -45px;
    filter: drop-shadow(var(--shadow-md));
    filter: drop-shadow(-3px 2px 2px rgba(0, 0, 0, 0.1));
    pointer-events: none; /* Ghost never blocks clicks */
  }
  
  /* Eyes and mouth base styles - isolated to ghost elements only */
  .ghost__eyes,
  .ghost__mouth {
    position: absolute;
    z-index: 1;
    width: 15px;
    height: 15px;
    top: 34px;
    left: 50%;
    transform: translate(-50%);
    border-radius: var(--radius-full);
    background: var(--color-slate-900);
    margin-left: -20px;
    transform-origin: center;
  }
  
  /* Second eye shadow */
  .ghost__eyes {
    box-shadow: 40px 0 0 var(--color-slate-900);
  }
  
  /* Mouth specific styles */
  .ghost__mouth {
    margin: 0;
    top: 60px;
    transform: scale(0);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-sm);
    width: 20px;
    height: 15px;
    transform-origin: center bottom;
    overflow: hidden;
  }
  
  /* Ghost tail */
  .ghost__tail {
    position: absolute;
    z-index: -1;
    top: 82px;
    height: 55px;
    width: 100%;
    filter: url(#goo);
  }
  
  /* Ghost body */
  .ghost__tail:before {
    content: '';
    background: var(--color-surface);
    position: absolute;
    bottom: 35px;
    left: 0;
    height: 100px;
    width: 100%;
    border-radius: 40px 40px var(--radius-sm) var(--radius-sm);
  }
  
  /* Animated rips */
  .ghost__rip {
    width: 15px;
    height: 28px;
    background: var(--color-surface);
    position: absolute;
    top: 15px;
    left: 0;
    box-shadow: -62px 0 0 var(--color-surface), -31px 0 0 var(--color-surface), 31px 0 0 var(--color-surface), 62px 0 0 var(--color-surface), 93px 0 0 var(--color-surface);
    border-radius: var(--radius-full);
    animation: ghost-rips 1.2s linear infinite;
  }
  
  /* Ripple animation */
  @keyframes ghost-rips {
    0% {
      left: 0;
      top: 12px;
    }
    50% {
      left: 31px;
      top: 20px;
    }
    100% {
      left: 62px;
      top: 12px;
    }
  }
  
  /* Mobile portrait breakpoint - 480px */
  @media (max-width: 480px) {
    .ghost {
      width: 50px;
      margin: var(--space-12) 0 0 -25px;
    }
    
    .ghost__eyes,
    .ghost__mouth {
      width: var(--space-8);
      height: var(--space-8);
      top: 19px;
      margin-left: -11px;
    }
    
    .ghost__eyes {
      box-shadow: 22px 0 0 var(--color-slate-900);
    }
    
    .ghost__mouth {
      top: 32px;
      width: 11px;
      height: var(--space-8);
    }
    
    .ghost__tail {
      top: 43px;
      height: 31px;
    }
    
    .ghost__tail:before {
      height: 56px;
      bottom: 19px;
      border-radius: 22px 22px var(--radius-sm) var(--radius-sm);
    }
    
    .ghost__rip {
      width: var(--space-8);
      height: 16px;
      top: var(--space-8);
      box-shadow: -34px 0 0 var(--color-surface), -17px 0 0 var(--color-surface), 17px 0 0 var(--color-surface), 34px 0 0 var(--color-surface), 51px 0 0 var(--color-surface);
    }
  }
  
  /* Mobile landscape breakpoint - 768px */
  @media (max-width: 768px) {
    .ghost {
      width: 60px;
      margin: var(--space-16) 0 0 -30px;
    }
    
    .ghost__eyes,
    .ghost__mouth {
      width: var(--space-10);
      height: var(--space-10);
      top: 23px;
      margin-left: -13px;
    }
    
    .ghost__eyes {
      box-shadow: 26px 0 0 var(--color-slate-900);
    }
    
    .ghost__mouth {
      top: 38px;
      width: 13px;
      height: var(--space-10);
    }
    
    .ghost__tail {
      top: 52px;
      height: 37px;
    }
    
    .ghost__tail:before {
      height: 67px;
      bottom: 23px;
      border-radius: 27px 27px var(--radius-sm) var(--radius-sm);
    }
    
    .ghost__rip {
      width: var(--space-10);
      height: 19px;
      top: var(--space-10);
      box-shadow: -41px 0 0 var(--color-surface), -21px 0 0 var(--color-surface), 21px 0 0 var(--color-surface), 41px 0 0 var(--color-surface), 62px 0 0 var(--color-surface);
    }
  }