/* variables.css — Design tokens for Jatake Station Dashboard */

:root {
  /* KAI Corporate Palette */
  --color-primary: #003D79;
  --color-primary-light: #0056b3;
  --color-primary-dark: #002a54;
  --color-accent: #0ea5e9;

  /* Severity */
  --color-green: #059669;
  --color-yellow: #d97706;
  --color-red: #dc2626;
  --color-green-bg: #ecfdf5;
  --color-yellow-bg: #fffbeb;
  --color-red-bg: #fef2f2;
  --color-green-border: #6ee7b7;
  --color-yellow-border: #fcd34d;
  --color-red-border: #fca5a5;

  /* Neutrals */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-faint: #94a3b8;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-family-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Menlo', monospace;
  --font-size-xs: 0.6875rem;
  --font-size-sm: 0.75rem;
  --font-size-base: 0.875rem;
  --font-size-lg: 1rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.75rem;

  /* Layout */
  --header-height: 56px;
  --tab-bar-height: 44px;
  --route-strip-height: 56px;
  --sidebar-width: 320px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}