/* ========================================
   Design System Base - CRM Anglor
   ======================================== */

/* --- Design Tokens --- */
:root {
  /* Typography */
  --font-family: 'Cairo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Colors - Neutrals */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Colors - Brand */
  --color-primary: #0d6efd;
  --color-primary-dark: #0b5ed7;
  --color-primary-light: #6ea8fe;
  --color-secondary: #6c757d;
  --color-secondary-dark: #5c636a;

  /* Colors - Semantic */
  --color-success: #198754;
  --color-success-light: #d1e7dd;
  --color-info: #0dcaf0;
  --color-info-light: #cff4fc;
  --color-warning: #ffc107;
  --color-warning-light: #fff3cd;
  --color-danger: #dc3545;
  --color-danger-light: #f8d7da;

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-base: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* --- Base Styles --- */
html {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--color-white);
  color: var(--color-gray-900);
  font-family: var(--font-family);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--space-4);
  font-weight: 600;
  line-height: var(--line-height-tight);
}

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

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-fluid {
  width: 100%;
  padding-inline: var(--space-4);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-gray-200);
  margin-block: var(--space-4);
}