@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===========================
   TOKENS
   =========================== */
:root {
  /* Primary - Green */
  --primary-950: #0A2618;
  --primary-900: #143D28;
  --primary-800: #1E5438;
  --primary-700: #2D6B44;
  --primary-600: #357D4F;
  --primary-500: #3D8A5A;
  --primary-400: #5CA878;
  --primary-300: #8DC4A0;
  --primary-200: #C8F0D8;
  --primary-100: #E4F8EC;
  --primary-50:  #F0FBF4;

  /* Accent - Golden Amber */
  --accent-950: #2E2008;
  --accent-900: #5C4010;
  --accent-800: #8A6018;
  --accent-700: #A87828;
  --accent-600: #C49036;
  --accent-500: #D4A24E;
  --accent-400: #DFB872;
  --accent-300: #E8CE98;
  --accent-200: #F2E3BF;
  --accent-100: #F9F1DF;
  --accent-50:  #FCF8EF;

  /* Neutral - Warm Stone */
  --neutral-950: #1C1816;
  --neutral-900: #252019;
  --neutral-800: #3A332C;
  --neutral-700: #514940;
  --neutral-600: #6B6259;
  --neutral-500: #8A8078;
  --neutral-400: #A8A099;
  --neutral-300: #C5BFB9;
  --neutral-200: #E0DCD8;
  --neutral-100: #EFECEA;
  --neutral-50:  #F8F6F4;

  /* Semantic */
  --success: #16A34A;
  --success-light: #DCFCE7;
  --error: #DC2626;
  --error-light: #FEE2E2;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --info: #2563EB;
  --info-light: #DBEAFE;

  /* Location Status */
  --status-active: #22C55E;
  --status-stale: #F59E0B;
  --status-inactive: #9BA2A8;

  /* Category Colors */
  --cat-food: #F97316;
  --cat-food-light: #FFF7ED;
  --cat-transport: #3B82F6;
  --cat-transport-light: #EFF6FF;
  --cat-accommodation: #8B5CF6;
  --cat-accommodation-light: #F5F3FF;
  --cat-activities: #EC4899;
  --cat-activities-light: #FDF2F8;
  --cat-shopping: #F59E0B;
  --cat-shopping-light: #FFFBEB;
  --cat-other: #6B7280;
  --cat-other-light: #F3F4F6;

  /* Document Type Colors */
  --doc-flight: #3B82F6;
  --doc-flight-light: #EFF6FF;
  --doc-hotel: #8B5CF6;
  --doc-hotel-light: #F5F3FF;
  --doc-car: #F97316;
  --doc-car-light: #FFF7ED;
  --doc-insurance: #22C55E;
  --doc-insurance-light: #F0FDF4;
  --doc-visa: #EF4444;
  --doc-visa-light: #FEF2F2;
  --doc-other: #6B7280;
  --doc-other-light: #F3F4F6;

  /* Surfaces */
  --surface-primary: #FFFFFF;
  --surface-secondary: #F8F6F4;
  --surface-tertiary: #EFECEA;
  --surface-elevated: #FFFFFF;
  --surface-overlay: rgba(28,24,22,0.5);
  --surface-brand: linear-gradient(160deg, #1a2e22 0%, #2D6B44 50%, #3D8A5A 100%);

  /* Typography */
  --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-3xl: 2rem;
  --text-2xl: 1.75rem;
  --text-xl: 1.5rem;
  --text-lg: 1.25rem;
  --text-md: 1.125rem;
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-xs: 0.75rem;
  --text-2xs: 0.625rem;

  /* Spacing */
  --space-0: 0;
  --space-0-5: 0.125rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  /* Z-Index */
  --z-base: 0;
  --z-raised: 10;
  --z-sticky: 100;
  --z-fab: 150;
  --z-overlay: 200;
  --z-sheet: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Transitions */
  --transition-fast: 100ms ease;
  --transition-base: 150ms ease;
  --transition-slow: 250ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===========================
   DARK MODE
   =========================== */
[data-theme="dark"] {
  /* Surfaces */
  --surface-primary: #1C1816;
  --surface-secondary: #252019;
  --surface-tertiary: #3A332C;
  --surface-elevated: #302920;
  --surface-overlay: rgba(0,0,0,0.6);
  --surface-brand: linear-gradient(160deg, #1a2e22 0%, #1E5438 40%, #2D6B44 100%);

  /* Text */
  --text-primary: #F5EDE6;
  --text-secondary: #A8A099;
  --text-tertiary: #6B6259;

  /* Borders */
  --border-default: #3A332C;
  --border-subtle: #302920;

  /* Overrides for semantic tokens used by components */
  --neutral-950: #F5EDE6;
  --neutral-900: #F5EDE6;
  --neutral-800: #E0DCD8;
  --neutral-700: #C5BFB9;
  --neutral-600: #A8A099;
  --neutral-500: #8A8078;
  --neutral-400: #6B6259;
  --neutral-300: #3A332C;
  --neutral-200: #302920;
  --neutral-100: #252019;
  --neutral-50:  #1C1816;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3), 0 4px 6px -4px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.3), 0 8px 10px -6px rgba(0,0,0,0.2);
}