/* ==========================================================================
   High Contrast Bootstrap 5 Theme
   Designed for maximum accessibility and WCAG AAA contrast compliance.
   Include AFTER bootstrap.min.css.
   ========================================================================== */

:root,
[data-bs-theme="light"] {
  /* Surface & Base Text (Light Mode: Pure White & Black) */
  --bs-body-bg: #ffffff;
  --bs-body-color: #000000;
  --bs-body-bg-rgb: 255, 255, 255;
  --bs-body-color-rgb: 0, 0, 0;

  --bs-secondary-bg: #f0f0f0;
  --bs-secondary-bg-rgb: 240, 240, 240;
  --bs-tertiary-bg: #e0e0e0;
  --bs-tertiary-bg-rgb: 224, 224, 224;

  --bs-secondary-color: #1a1a1a;
  --bs-secondary-color-rgb: 26, 26, 26;
  --bs-tertiary-color: #333333;
  --bs-tertiary-color-rgb: 51, 51, 51;

  --bs-border-color: #000000;
  --bs-border-color-translucent: rgba(0, 0, 0, 0.85);

  /* High Contrast Contextual Colors (Light Mode) */
  --bs-primary: #0011cc;
  --bs-primary-rgb: 0, 17, 204;
  --bs-secondary: #222222;
  --bs-secondary-rgb: 34, 34, 34;
  --bs-success: #006600;
  --bs-success-rgb: 0, 102, 0;
  --bs-info: #0044aa;
  --bs-info-rgb: 0, 68, 170;
  --bs-warning: #884400;
  --bs-warning-rgb: 136, 68, 0;
  --bs-danger: #cc0000;
  --bs-danger-rgb: 204, 0, 0;

  --bs-light: #ffffff;
  --bs-light-rgb: 255, 255, 255;
  --bs-dark: #000000;
  --bs-dark-rgb: 0, 0, 0;

  /* Form & Component Controls */
  --bs-link-color: #0000ee;
  --bs-link-hover-color: #000088;
  --bs-link-decoration: underline;

  --bs-border-radius: 4px;
  --bs-border-radius-sm: 2px;
  --bs-border-radius-lg: 6px;

  --bs-navbar-bg: #000000;
  --bs-navbar-color: #ffffff;
  --bs-navbar-hover-color: #ffff00;
  --bs-navbar-active-color: #ffff00;
  --bs-navbar-brand-color: #ffffff;
  --bs-navbar-brand-hover-color: #ffffff;

  --bs-focus-ring-width: 3px;
  --bs-focus-ring-color: #000000;
}

/* --------------------------------------------------------------------------
   1. Base & Global Styles
   -------------------------------------------------------------------------- */
body {
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 700;
  color: var(--bs-body-color);
}

a {
  color: var(--bs-link-color);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
}

a:hover {
  color: var(--bs-link-hover-color);
  text-decoration-thickness: 3px;
}

/* High Contrast Focus State */
:focus-visible {
  outline: 3px solid #ffff00 !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 5px #000000 !important;
}

/* --------------------------------------------------------------------------
   2. Components & Borders
   -------------------------------------------------------------------------- */
.navbar {
  background-color: var(--bs-navbar-bg) !important;
  border-bottom: 3px solid #ffffff;
}

.navbar-dark,
.navbar[data-bs-theme="dark"] {
  --bs-navbar-bg: #000000;
  --bs-navbar-color: #ffffff;
  --bs-navbar-hover-color: #ffff00;
}

.btn {
  font-weight: 700;
  border-width: 2px;
  border-style: solid;
}

.btn-primary {
  background-color: #0011cc;
  border-color: #000000;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #000088;
  border-color: #000000;
  color: #ffffff;
}

.btn-secondary {
  background-color: #000000;
  border-color: #000000;
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #222222;
  border-color: #000000;
  color: #ffffff;
}

.btn-outline-primary {
  color: #0011cc;
  border-color: #0011cc;
}

.btn-outline-primary:hover {
  background-color: #0011cc;
  color: #ffffff;
}

.card {
  border: 2px solid var(--bs-border-color);
  background-color: var(--bs-body-bg);
}

.table {
  --bs-table-color: var(--bs-body-color);
  --bs-table-bg: var(--bs-body-bg);
  --bs-table-border-color: var(--bs-border-color);
  border: 2px solid var(--bs-border-color);
}

.table th,
.table td {
  border-width: 2px;
}

.form-control,
.form-select {
  border: 2px solid var(--bs-border-color);
  color: var(--bs-body-color);
  background-color: var(--bs-body-bg);
  font-weight: 600;
}

.form-control:focus,
.form-select:focus {
  border-color: #000000;
  box-shadow: 0 0 0 3px #ffff00, 0 0 0 5px #000000;
}

.form-check-input {
  border: 2px solid var(--bs-border-color);
}

.form-check-input:checked {
  background-color: #000000;
  border-color: #000000;
}

.alert {
  border: 3px solid #000000;
  font-weight: 700;
  color: #000000;
}

.alert-primary { background-color: #e6ecff; border-color: #0011cc; color: #000066; }
.alert-secondary { background-color: #f0f0f0; border-color: #222222; color: #000000; }
.alert-success { background-color: #e6ffe6; border-color: #006600; color: #003300; }
.alert-danger { background-color: #ffe6e6; border-color: #cc0000; color: #660000; }
.alert-warning { background-color: #ffffcc; border-color: #884400; color: #442200; }
.alert-info { background-color: #e6f2ff; border-color: #0044aa; color: #002266; }

.badge {
  font-weight: 700;
  border: 1px solid #000000;
  padding: 0.35em 0.65em;
}

.list-group-item {
  border: 2px solid var(--bs-border-color);
}

.accordion-item {
  border: 2px solid var(--bs-border-color);
  margin-bottom: 0.5rem;
}

.accordion-button {
  font-weight: 700;
  color: var(--bs-body-color);
  background-color: var(--bs-secondary-bg);
}

.accordion-button:not(.collapsed) {
  background-color: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
  border-bottom: 2px solid var(--bs-border-color);
}

.modal-content,
.offcanvas,
.popover,
.toast {
  border: 3px solid var(--bs-border-color);
}

.nav-tabs .nav-link {
  border: 2px solid transparent;
  font-weight: 700;
  color: var(--bs-body-color);
}

.nav-tabs .nav-link.active {
  border-color: var(--bs-border-color) var(--bs-border-color) var(--bs-body-bg);
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

/* --------------------------------------------------------------------------
   3. Dark Mode (High Contrast Dark: Black Surface & White/Neon Elements)
   -------------------------------------------------------------------------- */
[data-bs-theme="dark"] {
  --bs-body-bg: #000000;
  --bs-body-color: #ffffff;
  --bs-body-bg-rgb: 0, 0, 0;
  --bs-body-color-rgb: 255, 255, 255;

  --bs-secondary-bg: #1a1a1a;
  --bs-secondary-bg-rgb: 26, 26, 26;
  --bs-tertiary-bg: #2a2a2a;
  --bs-tertiary-bg-rgb: 42, 42, 42;

  --bs-secondary-color: #e6e6e6;
  --bs-secondary-color-rgb: 230, 230, 230;
  --bs-tertiary-color: #cccccc;
  --bs-tertiary-color-rgb: 204, 204, 204;

  --bs-border-color: #ffffff;
  --bs-border-color-translucent: rgba(255, 255, 255, 0.85);

  --bs-primary: #33ffff;
  --bs-primary-rgb: 51, 255, 255;
  --bs-secondary: #ffffff;
  --bs-secondary-rgb: 255, 255, 255;
  --bs-success: #00ff66;
  --bs-success-rgb: 0, 255, 102;
  --bs-info: #00e5ff;
  --bs-info-rgb: 0, 229, 255;
  --bs-warning: #ffff00;
  --bs-warning-rgb: 255, 255, 0;
  --bs-danger: #ff4444;
  --bs-danger-rgb: 255, 68, 68;

  --bs-light: #1a1a1a;
  --bs-light-rgb: 26, 26, 26;
  --bs-dark: #ffffff;
  --bs-dark-rgb: 255, 255, 255;

  --bs-link-color: #66ffff;
  --bs-link-hover-color: #ffffff;

  --bs-navbar-bg: #000000;
  --bs-navbar-color: #ffffff;
  --bs-navbar-hover-color: #ffff00;
}

[data-bs-theme="dark"] :focus-visible {
  outline: 3px solid #ffff00 !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 5px #ffffff !important;
}

[data-bs-theme="dark"] .btn-primary {
  background-color: #00ffff;
  border-color: #ffffff;
  color: #000000;
}

[data-bs-theme="dark"] .btn-primary:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  color: #000000;
}

[data-bs-theme="dark"] .btn-secondary {
  background-color: #ffffff;
  border-color: #ffffff;
  color: #000000;
}

[data-bs-theme="dark"] .btn-outline-primary {
  color: #00ffff;
  border-color: #00ffff;
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
  background-color: #00ffff;
  color: #000000;
}

[data-bs-theme="dark"] .alert-primary { background-color: #002244; border-color: #00ffff; color: #ffffff; }
[data-bs-theme="dark"] .alert-secondary { background-color: #222222; border-color: #ffffff; color: #ffffff; }
[data-bs-theme="dark"] .alert-success { background-color: #003311; border-color: #00ff66; color: #ffffff; }
[data-bs-theme="dark"] .alert-danger { background-color: #440000; border-color: #ff4444; color: #ffffff; }
[data-bs-theme="dark"] .alert-warning { background-color: #444400; border-color: #ffff00; color: #ffffff; }
[data-bs-theme="dark"] .alert-info { background-color: #003344; border-color: #00e5ff; color: #ffffff; }

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
  border-color: #ffffff;
  box-shadow: 0 0 0 3px #ffff00, 0 0 0 5px #ffffff;
}

[data-bs-theme="dark"] .form-check-input:checked {
  background-color: #00ffff;
  border-color: #ffffff;
}