/* =====================================================
   AEROTOOLS BRAND CSS
   Built by pilots, for pilots.
   ===================================================== */

/* =====================================================
   1. FONT IMPORTS
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* =====================================================
   2. CSS CUSTOM PROPERTIES (VARIABLES)
   ===================================================== */
:root {
  /* Primary Colors */
  --aero-sky-blue: #118DFF;
  --aero-yellow: #F7D16D;

  /* Secondary Colors */
  --aero-navy: #0B2C4D;
  --aero-cloud-white: #F5F8FA;
  --aero-graphite: #444B54;

  /* Accent Colors */
  --aero-runway-orange: #FF6B35;

  /* Extended Palette (derived) */
  --aero-sky-blue-light: #4FADFF;
  --aero-sky-blue-dark: #0A6BC7;
  --aero-yellow-light: #FAE29C;
  --aero-yellow-dark: #E5B541;
  --aero-navy-light: #1A4670;
  --aero-navy-dark: #061829;

  /* Semantic Colors */
  --aero-success: #10B981;
  --aero-danger: var(--aero-runway-orange);
  --aero-warning: var(--aero-yellow);
  --aero-info: var(--aero-sky-blue);

  /* Neutrals */
  --aero-gray-50: #F9FAFB;
  --aero-gray-100: #F3F4F6;
  --aero-gray-200: #E5E7EB;
  --aero-gray-300: #D1D5DB;
  --aero-gray-400: #9CA3AF;
  --aero-gray-500: #6B7280;
  --aero-gray-600: #4B5563;
  --aero-gray-700: #374151;
  --aero-gray-800: #1F2937;
  --aero-gray-900: #111827;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', 'Roboto', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
}

/* =====================================================
   3. BASE STYLES & RESETS
   ===================================================== */
body {
  font-family: var(--font-body);
  color: var(--aero-graphite);
  background-color: var(--aero-cloud-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   4. TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--aero-navy);
  line-height: 1.3;
}

h1, .h1 {
  font-size: 2.5rem;
  font-weight: 700;
}
h2, .h2 {
  font-size: 2rem;
  font-weight: 600;
}
h3, .h3 {
  font-size: 1.75rem;
  font-weight: 600;
}
h4, .h4 {
  font-size: 1.5rem;
  font-weight: 500;
}
h5, .h5 {
  font-size: 1.25rem;
  font-weight: 500;
}
h6, .h6 {
  font-size: 1rem;
  font-weight: 500;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--aero-gray-600);
}

.text-mono {
  font-family: var(--font-mono);
}

/* Text Color Utilities */
.text-aero-navy { color: var(--aero-navy) !important; }
.text-aero-sky { color: var(--aero-sky-blue) !important; }
.text-aero-yellow { color: var(--aero-yellow) !important; }
.text-aero-orange { color: var(--aero-runway-orange) !important; }
.text-aero-graphite { color: var(--aero-graphite) !important; }

/* =====================================================
   5. BUTTONS
   ===================================================== */
.btn {
  font-family: var(--font-body);
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-aero-primary {
  background-color: var(--aero-sky-blue);
  color: white;
}
.btn-aero-primary:hover {
  background-color: var(--aero-sky-blue-dark);
  color: white;
}

.btn-aero-yellow {
  background-color: var(--aero-yellow);
  color: var(--aero-navy);
}
.btn-aero-yellow:hover {
  background-color: var(--aero-yellow-dark);
  color: var(--aero-navy);
}

.btn-aero-navy {
  background-color: var(--aero-navy);
  color: white;
}
.btn-aero-navy:hover {
  background-color: var(--aero-navy-dark);
  color: white;
}

.btn-aero-outline {
  background-color: transparent;
  border: 2px solid var(--aero-sky-blue);
  color: var(--aero-sky-blue);
}
.btn-aero-outline:hover {
  background-color: var(--aero-sky-blue);
  color: white;
}

.btn-aero-danger {
  background-color: var(--aero-runway-orange);
  color: white;
}
.btn-aero-danger:hover {
  background-color: #E5522F;
  color: white;
}

/* =====================================================
   6. CARDS & CONTAINERS
   ===================================================== */
.card-aero {
  background: white;
  border: 1px solid var(--aero-gray-200);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.card-aero:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-aero-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--aero-gray-200);
  background-color: var(--aero-gray-50);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-aero-body {
  padding: 1.5rem;
}

/* Tool Cards */
.tool-card {
  position: relative;
  overflow: hidden;
  background: white;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--aero-sky-blue), var(--aero-yellow));
}

.tool-card:hover {
  border-color: var(--aero-sky-blue);
}

.tool-card-premium {
  border-color: var(--aero-yellow);
}

.tool-card-premium::before {
  background: var(--aero-yellow);
}

/* =====================================================
   7. NAVIGATION
   ===================================================== */
.navbar-aero {
  background-color: white;
  border-bottom: 1px solid var(--aero-gray-200);
  box-shadow: var(--shadow-sm);
}

.navbar-brand-text {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--aero-navy);
}

.navbar-aero .nav-link {
  color: var(--aero-graphite);
  font-weight: 500;
  transition: color 0.2s ease;
}

.navbar-aero .nav-link:hover {
  color: var(--aero-sky-blue);
}

.navbar-aero .nav-link.active {
  color: var(--aero-sky-blue);
  border-bottom: 2px solid var(--aero-sky-blue);
}

/* =====================================================
   8. FORMS
   ===================================================== */
.form-control-aero,
.form-select-aero {
  border: 1px solid var(--aero-gray-300);
  border-radius: var(--border-radius-md);
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  transition: all 0.2s ease;
}

.form-control-aero:focus,
.form-select-aero:focus {
  border-color: var(--aero-sky-blue);
  box-shadow: 0 0 0 0.2rem rgba(17, 141, 255, 0.25);
  outline: none;
}

.form-label-aero {
  font-weight: 500;
  color: var(--aero-navy);
  margin-bottom: 0.5rem;
}

.form-check-aero .form-check-input:checked {
  background-color: var(--aero-sky-blue);
  border-color: var(--aero-sky-blue);
}

/* =====================================================
   9. BADGES & PILLS
   ===================================================== */
.badge-aero {
  padding: 0.375rem 0.75rem;
  font-weight: 500;
  border-radius: var(--border-radius-full);
  font-size: 0.875rem;
}

.badge-aero-primary {
  background-color: var(--aero-sky-blue);
  color: white;
}

.badge-aero-premium {
  background: linear-gradient(135deg, var(--aero-yellow), var(--aero-yellow-dark));
  color: var(--aero-navy);
}

.badge-aero-success {
  background-color: var(--aero-success);
  color: white;
}

.badge-aero-danger {
  background-color: var(--aero-runway-orange);
  color: white;
}

/* =====================================================
   10. ALERTS
   ===================================================== */
.alert-aero {
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  padding: 1rem 1.25rem;
}

.alert-aero-info {
  background-color: rgba(17, 141, 255, 0.1);
  border-color: var(--aero-sky-blue);
  color: var(--aero-sky-blue-dark);
}

.alert-aero-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--aero-success);
  color: #057A55; /* Darker green for text */
}

.alert-aero-warning {
  background-color: rgba(247, 209, 109, 0.2);
  border-color: var(--aero-yellow);
  color: var(--aero-yellow-dark);
}

.alert-aero-danger {
  background-color: rgba(255, 107, 53, 0.1);
  border-color: var(--aero-runway-orange);
  color: var(--aero-runway-orange);
}

/* =====================================================
   11. AVIATION-THEMED & EDITOR ELEMENTS
   ===================================================== */
.aviation-grid {
  background-image:
    repeating-linear-gradient(0deg,
      transparent,
      transparent 40px,
      var(--aero-gray-200) 40px,
      var(--aero-gray-200) 41px),
    repeating-linear-gradient(90deg,
      transparent,
      transparent 40px,
      var(--aero-gray-200) 40px,
      var(--aero-gray-200) 41px);
}

.horizon-line {
  position: relative;
}

.horizon-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--aero-sky-blue) 20%,
    var(--aero-sky-blue) 80%,
    transparent);
}

/* Checklist Styles */
.checklist-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.25rem 0;
}

.item-action {
  white-space: nowrap;
}

.item-dots {
  flex-grow: 1;
  border-bottom: 1px dotted var(--bs-body-color);
  margin-bottom: 4px;
}

.item-response {
  white-space: nowrap;
  font-weight: 500;
}

.item-header {
  font-weight: bold;
  margin-top: 0.5rem;
}

.item-indented {
  padding-left: 1.5rem;
}

.checklist-section {
  color: white;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  margin: 1rem 0 0.5rem 0;
  border-radius: var(--border-radius-sm);
  background-color: var(--aero-success); /* Green for Normal */
}

.checklist-section-abnormal {
  background-color: var(--aero-warning);
  color: var(--aero-navy);
}

.checklist-section-emergency {
  background-color: var(--aero-danger); /* Red for Emergency */
}

/* Editor Lane Styles */
.lane {
    border: 2px solid var(--bs-border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    min-height: 200px;
    background-color: var(--bs-tertiary-bg);
}

.lane-header {
    font-weight: bold;
    color: var(--bs-secondary-color);
    margin-bottom: 1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Checklist Preview Column Styles */
.checklist-preview-columns-2 { column-count: 2; column-gap: 2rem; }
.checklist-preview-columns-3 { column-count: 3; column-gap: 2rem; }
.checklist-preview-columns-4 { column-count: 4; column-gap: 2rem; }
.procedure-block { break-inside: avoid; }


/* =====================================================
   12. UTILITY CLASSES
   ===================================================== */
.bg-aero-navy { background-color: var(--aero-navy) !important; }
.bg-aero-sky { background-color: var(--aero-sky-blue) !important; }
.bg-aero-yellow { background-color: var(--aero-yellow) !important; }
.bg-aero-cloud { background-color: var(--aero-cloud-white) !important; }
.bg-aero-gradient {
  background: linear-gradient(135deg, var(--aero-sky-blue), var(--aero-sky-blue-light));
}

.shadow-aero-sm { box-shadow: var(--shadow-sm); }
.shadow-aero-md { box-shadow: var(--shadow-md); }
.shadow-aero-lg { box-shadow: var(--shadow-lg); }

.rounded-aero-sm { border-radius: var(--border-radius-sm); }
.rounded-aero-md { border-radius: var(--border-radius-md); }
.rounded-aero-lg { border-radius: var(--border-radius-lg); }

/* Premium User Indicators */
.premium-glow {
  box-shadow: 0 0 20px rgba(247, 209, 109, 0.4);
}

.premium-border {
  border: 2px solid var(--aero-yellow);
}

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

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

/* =====================================================
   13. RESPONSIVE UTILITIES
   ===================================================== */
@media (max-width: 768px) {
  h1, .h1 { font-size: 2rem; }
  h2, .h2 { font-size: 1.75rem; }
  h3, .h3 { font-size: 1.5rem; }

  .btn {
    padding: 0.5rem 1rem;
  }
}

/* =====================================================
   14. DARK MODE
   ===================================================== */
[data-bs-theme="light"] .theme-icon-dark {
    display: none;
}
[data-bs-theme="dark"] .theme-icon-light {
    display: none;
}

[data-bs-theme="dark"] {
  /* 1. Override Bootstrap's core colors */
  --bs-body-bg: var(--aero-gray-900);
  --bs-body-color: var(--aero-gray-300);
  --bs-border-color: var(--aero-gray-700);
  --bs-secondary-bg: var(--aero-gray-800);
  --bs-tertiary-bg: #2b3035; /* For striped tables and lanes */

  /* 2. Override AeroTools variables for dark theme */
  --aero-cloud-white: var(--aero-gray-900); /* Main background */
  --aero-graphite: var(--aero-gray-300);   /* Main text color */

  /* 3. Target specific components */

  /* Headings and Brand Text */
  h1, h2, h3, h4, h5, h6,
  .h1, .h2, .h3, .h4, .h5, .h6,
  .text-aero-navy,
  .navbar-brand-text,
  .form-label-aero {
    color: var(--aero-gray-100) !important;
  }

  /* Navbar */
  .navbar-aero {
    background-color: var(--aero-gray-800);
    border-bottom-color: var(--aero-gray-700);
  }
  .navbar-aero .nav-link {
    color: var(--aero-gray-300);
  }
  .navbar-aero .nav-link:hover,
  .navbar-aero .nav-link.active {
    color: var(--aero-sky-blue-light);
  }
  .navbar-aero .nav-link.active {
    border-bottom-color: var(--aero-sky-blue-light);
  }

  /* Cards */
  .card-aero {
    background-color: var(--aero-gray-800);
    border-color: var(--aero-gray-700);
  }
  .card-aero-header {
    background-color: var(--aero-gray-700);
    border-bottom-color: var(--aero-gray-600);
  }
  .card-aero-header.bg-aero-yellow {
    background-color: var(--aero-yellow-dark) !important;
  }
  .card-aero-header.bg-aero-yellow h4 {
    color: var(--aero-navy-dark) !important;
  }

  /* Lead text */
  .lead {
    color: var(--aero-gray-400);
  }

  /* Accordion */
  .accordion-button {
    background-color: var(--aero-gray-800);
    color: var(--aero-gray-100);
  }
  .accordion-button:not(.collapsed) {
    background-color: var(--aero-navy-light);
    color: white;
  }
  .accordion-button::after {
    filter: invert(1) grayscale(100) brightness(200%); /* Make arrow white */
  }

  /* Table */
  .table-hover > tbody > tr:hover > * {
    --bs-table-hover-bg: var(--aero-gray-700);
  }
  .table-striped > tbody > tr:nth-of-type(odd) > * {
     --bs-table-striped-bg: var(--aero-gray-800);
     --bs-table-striped-color: var(--aero-gray-200);
  }
  .table-striped > tbody > tr:nth-of-type(even) > * {
     --bs-table-striped-color: var(--aero-gray-200);
  }

  /* Other overrides */
  .btn-aero-outline {
    color: var(--aero-sky-blue-light);
    border-color: var(--aero-sky-blue-light);
  }
  .btn-aero-outline:hover {
    background-color: var(--aero-sky-blue-light);
    color: var(--aero-navy-dark);
  }
  .dropdown-menu {
    --bs-dropdown-bg: var(--aero-gray-800);
    --bs-dropdown-link-color: var(--aero-gray-200);
    --bs-dropdown-link-hover-bg: var(--aero-gray-700);
    --bs-dropdown-header-color: var(--aero-gray-400);
    --bs-dropdown-divider-bg: var(--aero-gray-700);
  }

  .alert-aero-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: #6EE7B7;
  }
  .alert-aero-info {
    background-color: rgba(17, 141, 255, 0.15);
    color: #93C5FD;
  }
  .alert-aero-warning {
    color: #FBBF24;
  }
  .alert-aero-danger {
    color: #F87171;
  }

  .ad-container {
    border-color: var(--aero-gray-600);
  }
}


/* =====================================================
   15. PRINT STYLES
   ===================================================== */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: black;
    background: white;
  }

  .checklist-item {
    page-break-inside: avoid;
  }
}

/* =====================================================
   END OF AEROTOOLS BRAND CSS
   ===================================================== */