/* VantageShield - Global Styles */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Design System */
:root {
  /* Colors - Enterprise Theme */
  --color-primary: #7C3AED;
  --color-primary-dark: #6D28D9;
  --color-primary-light: #A78BFA;
  --color-secondary: #A78BFA;
  --color-cta: #F97316;
  --color-cta-hover: #EA580C;
  --color-background: #FAF5FF;
  --color-text: #4C1D95;
  --color-text-muted: #6B7280;

  /* Severity Colors */
  --color-critical: #DC2626;
  --color-high: #F97316;
  --color-medium: #FBBF24;
  --color-low: #10B981;
  --color-info: #3B82F6;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --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;

  /* Typography */
  --font-heading: 'Fira Code', monospace;
  --font-body: 'Fira Sans', sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

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

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

  /* Z-Index Scale */
  --z-dropdown: 40;
  --z-navbar: 50;
  --z-modal: 60;
  --z-toast: 70;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1F2937;
    --color-text: #F9FAFB;
    --color-text-muted: #D1D5DB;
  }
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* Utility Classes */
.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;
}

.cursor-pointer {
  cursor: pointer;
}

/* Severity Badges */
.severity-critical {
  background-color: #FEE2E2;
  color: var(--color-critical);
  border: 1px solid var(--color-critical);
}

.severity-high {
  background-color: #FFEDD5;
  color: var(--color-high);
  border: 1px solid var(--color-high);
}

.severity-medium {
  background-color: #FEF3C7;
  color: #D97706;
  border: 1px solid #FBBF24;
}

.severity-low {
  background-color: #D1FAE5;
  color: #059669;
  border: 1px solid var(--color-low);
}

.severity-info {
  background-color: #DBEAFE;
  color: var(--color-info);
  border: 1px solid var(--color-info);
}

/* Status Badges */
.status-open {
  background-color: #FEE2E2;
  color: #991B1B;
}

.status-patched {
  background-color: #D1FAE5;
  color: #065F46;
}

.status-exception {
  background-color: #DBEAFE;
  color: #1E40AF;
}

.status-acknowledged {
  background-color: #FEF3C7;
  color: #92400E;
}

/* SLA Status Badges */
.sla-compliant {
  background-color: #D1FAE5;
  color: #065F46;
}

.sla-warning {
  background-color: #FEF3C7;
  color: #92400E;
}

.sla-overdue {
  background-color: #FFEDD5;
  color: #9A3412;
}

.sla-critical {
  background-color: #FEE2E2;
  color: #991B1B;
}

/* Card Component */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-900);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
}

.btn-cta {
  background-color: var(--color-cta);
  color: var(--color-white);
}

.btn-cta:hover {
  background-color: var(--color-cta-hover);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-danger {
  background-color: var(--color-critical);
  color: var(--color-white);
}

.btn-danger:hover {
  background-color: #B91C1C;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  white-space: nowrap;
}

/* Input Component */
.input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input::placeholder {
  color: var(--color-gray-400);
}

/* Select Component */
.select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

/* Table Component */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
}

.table thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-700);
}

.table td {
  padding: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-gray-900);
  border-bottom: 1px solid var(--color-gray-200);
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* Loading State */
.loading {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-300) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive Utilities */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }

  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Focus Visible (Keyboard Navigation) */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  body {
    background-color: white;
    color: black;
  }

  .no-print {
    display: none !important;
  }
}