/* 
 * McWut Site Styles
 * See UI-Guidelines.md for full design system documentation
 * Follow guidelines for color palette, typography, spacing, and component usage
 */

/* ===================================
   CSS Custom Properties (Variables)
   =================================== */

:root {
  /* Primary Colors - Light/Dark Blue Theme */
  --color-primary: #1e3a8a;           /* Dark Blue - Primary actions, headers */
  --color-primary-light: #3b82f6;     /* Medium Blue - Hover states, accents */
  --color-primary-lighter: #60a5fa;   /* Light Blue - Backgrounds, highlights */

  /* Neutral Colors */
  --color-background: #f8fafc;        /* Off-White - Page background */
  --color-surface: #ffffff;           /* White - Cards, containers */
  --color-border: #e2e8f0;            /* Light Gray - Borders, dividers */

  /* Text Colors */
  --color-text-primary: #1e293b;      /* Dark Slate - Primary text */
  --color-text-secondary: #64748b;    /* Slate Gray - Secondary text */
  --color-text-muted: #94a3b8;        /* Light Slate - Disabled, tertiary */

  /* Semantic Colors */
  --color-success: #10b981;           /* Green - Success states */
  --color-warning: #f59e0b;           /* Amber - Warnings */
  --color-error: #ef4444;             /* Red - Errors */
  --color-info: #3b82f6;              /* Blue - Info messages */

  /* Spacing Scale (rem-based) */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  /* 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);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
}

/* ===================================
   Base Styles
   =================================== */

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: var(--line-height-base);
}

/* ===================================
   Typography Enhancements
   =================================== */

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  font-weight: 600;
  color: var(--color-text-primary);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.125rem;
}

.text-muted {
  color: var(--color-text-secondary) !important;
}

/* ===================================
   Bootstrap Overrides & Enhancements
   =================================== */

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

/* Outline Primary Button */
.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Focus States - Professional Blue Outline */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--color-primary-light);
  border-color: var(--color-primary-light);
  outline: none;
}

/* Cards */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-surface);
}

.card-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg);
}

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

/* Alerts */
.alert {
  border-radius: var(--radius-md);
}

.alert-success {
  background-color: #d1fae5;
  border-color: #a7f3d0;
  color: #065f46;
}

.alert-danger {
  background-color: #fee2e2;
  border-color: #fecaca;
  color: #991b1b;
}

.alert-warning {
  background-color: #fef3c7;
  border-color: #fde68a;
  color: #92400e;
}

.alert-info {
  background-color: #dbeafe;
  border-color: #bfdbfe;
  color: #1e40af;
}

/* Navigation */
.navbar {
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
}

/* Dark navbar overrides for brand-blue navbar */
.navbar-dark .navbar-brand {
  color: #fff !important;
}

.navbar-dark .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link:focus {
  color: #fff;
}

.navbar-dark .nav-link.active {
  color: #fff !important;
  font-weight: 600;
}

/* Light navbar styles (kept for consistency) */
.navbar-light .navbar-brand {
  color: var(--color-primary) !important;
}

.navbar-light .nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.navbar-light .nav-link:hover,
.navbar-light .nav-link:focus {
  color: var(--color-primary);
}

.navbar-light .nav-link.active {
  color: var(--color-primary) !important;
}

/* Tables */
.table {
  color: var(--color-text-primary);
}

.table thead th {
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  color: var(--color-text-primary);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(30, 58, 138, 0.02);
}

.table-hover tbody tr:hover {
  background-color: rgba(30, 58, 138, 0.05);
}

/* Forms */
.form-label {
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-control,
.form-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary-light);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-text {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Form Validation */
.is-invalid {
  border-color: var(--color-error);
}

.is-valid {
  border-color: var(--color-success);
}

.invalid-feedback,
.text-danger {
  color: var(--color-error) !important;
}

.valid-feedback {
  color: var(--color-success) !important;
}

/* Floating Labels */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ===================================
   Utility Classes
   =================================== */

/* Text Colors */
.text-primary-custom {
  color: var(--color-primary) !important;
}

.text-secondary-custom {
  color: var(--color-text-secondary) !important;
}

/* Background Colors */
.bg-surface {
  background-color: var(--color-surface) !important;
}

.bg-primary-light {
  background-color: var(--color-primary-lighter) !important;
}

/* Borders */
.border-light-custom {
  border-color: var(--color-border) !important;
}

/* Shadows */
.shadow-custom-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow-custom-md {
  box-shadow: var(--shadow-md) !important;
}

.shadow-custom-lg {
  box-shadow: var(--shadow-lg) !important;
}

/* ===================================
   Component Specific Styles
   =================================== */

/* Loading Spinner */
.spinner-border-primary {
  color: var(--color-primary);
}

/* Badge */
.badge {
  font-weight: 600;
}

/* Pagination */
.pagination .page-link {
  color: var(--color-primary);
  border-color: var(--color-border);
}

.pagination .page-link:hover {
  background-color: var(--color-primary-lighter);
  border-color: var(--color-primary-light);
}

.pagination .page-item.active .page-link {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Modal */
.modal-header {
  border-bottom: 1px solid var(--color-border);
}

.modal-footer {
  border-top: 1px solid var(--color-border);
}

/* Breadcrumb */
.breadcrumb {
  background-color: transparent;
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-text-secondary);
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 767.98px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

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

/* ===================================
   Accessibility Enhancements
   =================================== */

/* Skip to main content link */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-to-content:focus {
  top: 0;
  left: 0;
  padding: 0.5rem 1rem;
  width: auto;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* ===================================
   Print Styles
   =================================== */

@media print {
  body {
    background-color: white;
  }

  .navbar,
  .btn,
  .no-print {
    display: none;
  }
}