/* MyrixLabs Safety Management System Design System
 * A comprehensive design system with consistent components
 * Based on the implementation roadmap for UI/UX modernization
 */

:root {
  /* Color System - Primary */
  --primary-100: #e6f0ff;
  --primary-200: #b3d1ff;
  --primary-300: #80b3ff;
  --primary-400: #4d94ff;
  --primary-500: #1a75ff; /* Primary Brand Color */
  --primary-600: #0066ff;
  --primary-700: #0052cc;
  --primary-800: #003d99;
  --primary-900: #002966;

  /* Color System - Secondary */
  --secondary-100: #e6f7ff;
  --secondary-200: #b3e7ff;
  --secondary-300: #80d7ff;
  --secondary-400: #4dc7ff;
  --secondary-500: #1ab8ff; /* Secondary Brand Color */
  --secondary-600: #00a3e6;
  --secondary-700: #0082b3;
  --secondary-800: #006280;
  --secondary-900: #00414d;

  /* Color System - Success */
  --success-100: #e6fff0;
  --success-200: #b3ffda;
  --success-300: #80ffc5;
  --success-400: #4dffaf;
  --success-500: #1aff9a;
  --success-600: #00e680;
  --success-700: #00b366;
  --success-800: #00804d;
  --success-900: #004d33;

  /* Color System - Warning */
  --warning-100: #fff9e6;
  --warning-200: #ffefb3;
  --warning-300: #ffe580;
  --warning-400: #ffdb4d;
  --warning-500: #ffd11a;
  --warning-600: #e6b800;
  --warning-700: #b38f00;
  --warning-800: #806600;
  --warning-900: #4d3d00;

  /* Color System - Danger */
  --danger-100: #ffe6e6;
  --danger-200: #ffb3b3;
  --danger-300: #ff8080;
  --danger-400: #ff4d4d;
  --danger-500: #ff1a1a;
  --danger-600: #e60000;
  --danger-700: #b30000;
  --danger-800: #800000;
  --danger-900: #4d0000;

  /* Color System - Neutral */
  --neutral-100: #ffffff;
  --neutral-200: #f5f5f5;
  --neutral-300: #e0e0e0;
  --neutral-400: #bdbdbd;
  --neutral-500: #9e9e9e;
  --neutral-600: #757575;
  --neutral-700: #616161;
  --neutral-800: #424242;
  --neutral-900: #212121;
  --neutral-1000: #000000;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-family-monospace: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.125rem;  /* 18px */
  --font-size-lg: 1.25rem;   /* 20px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 1.875rem; /* 30px */
  --font-size-3xl: 2.25rem;  /* 36px */
  --font-size-4xl: 3rem;     /* 48px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Spacing System */
  --spacing-0: 0;
  --spacing-1: 0.25rem;  /* 4px */
  --spacing-2: 0.5rem;   /* 8px */
  --spacing-3: 0.75rem;  /* 12px */
  --spacing-4: 1rem;     /* 16px */
  --spacing-5: 1.25rem;  /* 20px */
  --spacing-6: 1.5rem;   /* 24px */
  --spacing-8: 2rem;     /* 32px */
  --spacing-10: 2.5rem;  /* 40px */
  --spacing-12: 3rem;    /* 48px */
  --spacing-16: 4rem;    /* 64px */
  --spacing-20: 5rem;    /* 80px */
  --spacing-24: 6rem;    /* 96px */
  --spacing-32: 8rem;    /* 128px */

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;  /* 2px */
  --radius-md: 0.25rem;   /* 4px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-3xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-outline: 0 0 0 3px rgba(66, 153, 225, 0.5);

  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
  --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-in: cubic-bezier(0.0, 0, 0.2, 1);
  --transition-out: cubic-bezier(0.4, 0, 1, 1);

  /* Z-Index */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-auto: auto;

  /* Container Max Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

/* Dark Mode Variables */
.dark-mode {
  /* Dark Mode - Neutral Colors */
  --neutral-100: #121212;
  --neutral-200: #1e1e1e;
  --neutral-300: #2a2a2a;
  --neutral-400: #3a3a3a;
  --neutral-500: #5a5a5a;
  --neutral-600: #7a7a7a;
  --neutral-700: #9a9a9a;
  --neutral-800: #bababa;
  --neutral-900: #dadada;
  --neutral-1000: #ffffff;

  /* Dark Mode - Adjusted Primary Colors */
  --primary-100: #002966;
  --primary-200: #003d99;
  --primary-300: #0052cc;
  --primary-400: #0066ff;
  --primary-500: #1a75ff;
  --primary-600: #4d94ff;
  --primary-700: #80b3ff;
  --primary-800: #b3d1ff;
  --primary-900: #e6f0ff;

  /* Dark Mode - Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.3);
}

/* Base Elements */
body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--neutral-900);
  background-color: var(--neutral-200);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--neutral-900);
  margin-top: 0;
  margin-bottom: var(--spacing-4);
}

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-md);
}

h6 {
  font-size: var(--font-size-base);
}

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

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast) var(--transition-ease);
}

a:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

/* Utility Classes */
.text-primary { color: var(--primary-500); }
.text-secondary { color: var(--secondary-500); }
.text-success { color: var(--success-600); }
.text-warning { color: var(--warning-600); }
.text-danger { color: var(--danger-600); }
.text-muted { color: var(--neutral-600); }

.bg-primary { background-color: var(--primary-500); }
.bg-secondary { background-color: var(--secondary-500); }
.bg-success { background-color: var(--success-500); }
.bg-warning { background-color: var(--warning-500); }
.bg-danger { background-color: var(--danger-500); }
.bg-light { background-color: var(--neutral-200); }
.bg-dark { background-color: var(--neutral-800); }

/* Accessibility Focus Styles */
:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}