/**
 * BFS Unified Design System
 * Version: 1.0.0
 *
 * A consistent design system for all BFS portals.
 * No Bootstrap dependencies - fully custom CSS.
 *
 * Usage:
 *   1. Include Poppins font in <head>:
 *      <link rel="preconnect" href="https://fonts.googleapis.com">
 *      <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 *      <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap" rel="stylesheet">
 *
 *   2. Include this CSS file:
 *      <link rel="stylesheet" href="/path/to/bfs-theme.css">
 *
 *   3. Include bfs-theme.js for dark mode toggle:
 *      <script src="/path/to/bfs-theme.js"></script>
 */

/* ==========================================================================
   CSS RESET
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ==========================================================================
   CSS VARIABLES - LIGHT MODE (Default)
   ========================================================================== */

:root {
  /* === BRAND COLORS === */
  --bfs-blue: #0170B9;
  --bfs-blue-hover: #015a94;
  --bfs-blue-light: #e6f3fa;
  --bfs-blue-rgb: 1, 112, 185;

  /* === TEXT COLORS === */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-on-primary: #ffffff;

  /* === BACKGROUND COLORS === */
  --bg-page: #e8f4fc;           /* Soft sky blue - easier on eyes */
  --bg-card: #ffffff;
  --bg-secondary: #f0f7ff;      /* Very light blue for secondary areas */
  --bg-hover: #dbeafe;          /* Light blue for hover states */
  --bg-input: #ffffff;

  /* === BORDER COLORS === */
  --border-color: #93c5fd;        /* Visible blue border */
  --border-focus: var(--bfs-blue);

  /* === STATUS COLORS === */
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-success-border: #bbf7d0;
  --color-warning: #ca8a04;
  --color-warning-bg: #fef9c3;
  --color-warning-border: #fef08a;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;
  --color-error-border: #fecaca;
  --color-info: #2563eb;
  --color-info-bg: #dbeafe;
  --color-info-border: #bfdbfe;

  /* === SHADOWS === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* === SPACING === */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* === BORDER RADIUS === */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* === TYPOGRAPHY === */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;

  /* === TRANSITIONS === */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* === Z-INDEX SCALE === */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* === NAVBAR === */
  --navbar-bg: var(--bfs-blue);
  --navbar-text: #ffffff;
  --navbar-height: 60px;

  /* === FOOTER === */
  --footer-bg: var(--bg-secondary);
  --footer-text: var(--text-secondary);
}

/* ==========================================================================
   CSS VARIABLES - DARK MODE (Blue-tinted Slate)
   ========================================================================== */

[data-theme="dark"],
.dark-mode {
  /* === BRAND COLORS === */
  --bfs-blue: #3b82f6;
  --bfs-blue-hover: #60a5fa;
  --bfs-blue-light: #1e3a5f;
  --bfs-blue-rgb: 59, 130, 246;

  /* === TEXT COLORS === */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-on-primary: #ffffff;

  /* === BACKGROUND COLORS === */
  --bg-page: #0f172a;
  --bg-card: #1e293b;
  --bg-secondary: #334155;
  --bg-hover: #475569;
  --bg-input: #1e293b;

  /* === BORDER COLORS === */
  --border-color: #334155;
  --border-focus: var(--bfs-blue);

  /* === STATUS COLORS === */
  --color-success: #22c55e;
  --color-success-bg: rgba(34, 197, 94, 0.15);
  --color-success-border: rgba(34, 197, 94, 0.3);
  --color-warning: #eab308;
  --color-warning-bg: rgba(234, 179, 8, 0.15);
  --color-warning-border: rgba(234, 179, 8, 0.3);
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.15);
  --color-error-border: rgba(239, 68, 68, 0.3);
  --color-info: #3b82f6;
  --color-info-bg: rgba(59, 130, 246, 0.15);
  --color-info-border: rgba(59, 130, 246, 0.3);

  /* === SHADOWS (stronger for dark mode) === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);

  /* === NAVBAR === */
  --navbar-bg: #1e293b;
  --navbar-text: #f1f5f9;

  /* === FOOTER === */
  --footer-bg: #1e293b;
  --footer-text: var(--text-secondary);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

body {
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 0.5em;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; font-weight: 500; }
h5 { font-size: 1rem; font-weight: 500; }
h6 { font-size: 0.875rem; font-weight: 500; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--bfs-blue);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--bfs-blue-hover);
}

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* ==========================================================================
   LAYOUT - CONTAINER
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }
.container-full { max-width: 100%; }

/* ==========================================================================
   LAYOUT - FLEXBOX UTILITIES
   ========================================================================== */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ==========================================================================
   LAYOUT - GRID UTILITIES
   ========================================================================== */

.grid { display: grid; }

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* ==========================================================================
   SPACING UTILITIES
   ========================================================================== */

/* Margin */
.m-0 { margin: 0; }
.m-xs { margin: var(--space-xs); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }
.m-xl { margin: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.pt-0 { padding-top: 0; }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }

.pb-0 { padding-bottom: 0; }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }

.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn-primary {
  background-color: var(--bfs-blue);
  color: var(--text-on-primary);
  border-color: var(--bfs-blue);
}

.btn-primary:hover {
  background-color: var(--bfs-blue-hover);
  border-color: var(--bfs-blue-hover);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-color);
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: var(--text-on-primary);
  border-color: var(--color-success);
}

.btn-success:hover {
  opacity: 0.9;
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: var(--text-on-primary);
  border-color: var(--color-error);
}

.btn-danger:hover {
  opacity: 0.9;
}

/* Warning Button */
.btn-warning {
  background-color: var(--color-warning);
  color: #1e293b;
  border-color: var(--color-warning);
}

.btn-warning:hover {
  opacity: 0.9;
}

/* Outline Buttons */
.btn-outline-primary {
  background-color: transparent;
  color: var(--bfs-blue);
  border-color: var(--bfs-blue);
}

.btn-outline-primary:hover {
  background-color: var(--bfs-blue);
  color: var(--text-on-primary);
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-outline-secondary:hover {
  background-color: var(--bg-hover);
}

.btn-outline-success {
  background-color: transparent;
  color: var(--color-success);
  border-color: var(--color-success);
}

.btn-outline-success:hover {
  background-color: var(--color-success);
  color: var(--text-on-primary);
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn-outline-danger:hover {
  background-color: var(--color-error);
  color: var(--text-on-primary);
}

/* Ghost Button (no border) */
.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Full Width */
.btn-block {
  display: flex;
  width: 100%;
}

/* Button with icon */
.btn i,
.btn svg {
  width: 1em;
  height: 1em;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.form-label.required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(var(--bfs-blue-rgb), 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

[data-theme="dark"] .form-select,
.dark-mode .form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-checkbox,
.form-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 1.125rem;
  height: 1.125rem;
  cursor: pointer;
  accent-color: var(--bfs-blue);
}

.form-hint {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-error {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-error);
}

/* Input with error state */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* Input group */
.input-group {
  display: flex;
}

.input-group .form-input {
  flex: 1;
  border-radius: 0;
}

.input-group .form-input:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-input:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .btn {
  border-radius: 0;
}

.input-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5 {
  margin-bottom: 0;
}

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

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

/* Card with hover effect */
.card-hover {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

/* Clickable card */
.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover .card {
  border-color: var(--bfs-blue);
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  background-color: var(--bg-card);
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Striped rows */
.table-striped tbody tr:nth-child(even) {
  background-color: var(--bg-secondary);
}

/* Hover rows */
.table-hover tbody tr:hover {
  background-color: var(--bg-hover);
}

/* Compact table */
.table-sm th,
.table-sm td {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--bfs-blue-light);
  color: var(--bfs-blue);
}

.badge-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

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

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
}

/* Solid badges */
.badge-solid-primary {
  background-color: var(--bfs-blue);
  color: var(--text-on-primary);
}

.badge-solid-success {
  background-color: var(--color-success);
  color: var(--text-on-primary);
}

.badge-solid-warning {
  background-color: var(--color-warning);
  color: #1e293b;
}

.badge-solid-error {
  background-color: var(--color-error);
  color: var(--text-on-primary);
}

/* ==========================================================================
   ALERTS / FLASH MESSAGES
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  margin-bottom: var(--space-md);
}

.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

.alert-error {
  background-color: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error);
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info);
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.alert-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: inherit;
  opacity: 0.7;
  font-size: 1.25rem;
  line-height: 1;
}

.alert-close:hover {
  opacity: 1;
}

/* ==========================================================================
   NAVBAR - UNIFIED ACROSS ALL BFS PORTALS
   ========================================================================== */

.navbar {
  background: linear-gradient(135deg, var(--bfs-blue) 0%, #015a94 100%);
  padding: 0.5rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: 0 2px 8px rgba(1, 112, 185, 0.3);
}

[data-theme="dark"] .navbar,
.dark-mode .navbar {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-brand .brand-link {
  display: block;
  text-decoration: none;
}

.nav-brand .nav-logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav-brand .nav-subtitle {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.3px;
  margin: 0;
}

/* Alternative brand layout with title + subtitle stacked */
.nav-brand .brand-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-brand .brand-text h1 {
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  margin: 0;
  line-height: 1.2;
}

.nav-brand .brand-text span,
.nav-brand .brand-text p {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all 0.2s;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-link:hover {
  color: white;
  background-color: rgba(255, 255, 255, 0.15);
}

.nav-link.active {
  color: white;
  background-color: rgba(255, 255, 255, 0.2);
}

/* Logout button variant */
.nav-link.logout {
  background-color: rgba(239, 68, 68, 0.8);
  color: white;
}

.nav-link.logout:hover {
  background-color: rgba(239, 68, 68, 1);
}

/* Navbar dropdown */
.navbar .dropdown {
  position: relative;
}

.navbar .dropdown-toggle::after {
  content: " ▾";
  font-size: 0.7em;
  opacity: 0.8;
}

.navbar .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 1000;
  padding: 0.5rem 0;
  margin-top: 0.25rem;
}

.navbar .dropdown:hover .dropdown-menu,
.navbar .dropdown-menu.show {
  display: block;
}

.navbar .dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.navbar .dropdown-item:hover {
  background: var(--bg-secondary);
}

.navbar .dropdown-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0.5rem 0;
}

/* Legacy class names for backwards compatibility */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
  text-decoration: none;
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ==========================================================================
   THEME TOGGLE
   ========================================================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-md);
  color: var(--navbar-text);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.theme-toggle:active {
  background-color: rgba(255, 255, 255, 0.3);
  transform: scale(0.95);
}

.theme-toggle:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon,
.theme-toggle .theme-icon {
  font-size: 1.25rem;
  pointer-events: none;
}

/* Light mode: show moon, hide sun */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

/* Dark mode: show sun, hide moon */
[data-theme="dark"] .theme-toggle .icon-sun,
.dark-mode .theme-toggle .icon-sun { display: block; }

[data-theme="dark"] .theme-toggle .icon-moon,
.dark-mode .theme-toggle .icon-moon { display: none; }

/* Non-navbar theme toggle (for cards, etc.) */
.theme-toggle-standalone {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.theme-toggle-standalone:hover {
  background-color: var(--bg-hover);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  margin-top: auto;
  padding: var(--space-lg);
  background-color: var(--footer-bg);
  color: var(--footer-text);
  text-align: center;
  font-size: 0.875rem;
  border-top: 1px solid var(--border-color);
}

.footer a {
  color: var(--bfs-blue);
}

.footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   MODALS
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  z-index: var(--z-modal);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   DROPDOWN
   ========================================================================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-dropdown);
  min-width: 180px;
  padding: var(--space-xs) 0;
  margin-top: var(--space-xs);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.dropdown-menu.show,
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
}

.dropdown-divider {
  height: 1px;
  margin: var(--space-xs) 0;
  background-color: var(--border-color);
}

/* ==========================================================================
   TABS
   ========================================================================== */

.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-lg);
}

.tab {
  padding: var(--space-sm) var(--space-md);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--bfs-blue);
  border-bottom-color: var(--bfs-blue);
}

/* Tab content - Bootstrap compatible */
/* .tab-content is visible container, .tab-pane children are hidden/shown */
.tab-content > .tab-pane {
  display: none;
}

.tab-content > .tab-pane.active,
.tab-content > .tab-pane.show {
  display: block;
}

/* ==========================================================================
   BREADCRUMBS
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

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

.breadcrumb-item a {
  color: var(--bfs-blue);
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--space-xs);
  color: var(--text-muted);
}

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

/* ==========================================================================
   PROGRESS BAR
   ========================================================================== */

.progress {
  height: 8px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--bfs-blue);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar-success { background-color: var(--color-success); }
.progress-bar-warning { background-color: var(--color-warning); }
.progress-bar-error { background-color: var(--color-error); }

/* ==========================================================================
   PAGINATION
   ========================================================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.page-link:hover {
  background-color: var(--bg-hover);
  border-color: var(--bfs-blue);
  color: var(--bfs-blue);
}

.page-link.active {
  background-color: var(--bfs-blue);
  border-color: var(--bfs-blue);
  color: var(--text-on-primary);
}

.page-link.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ==========================================================================
   EMPTY STATE
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.empty-state-description {
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   LOADING SPINNER
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--bfs-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* ==========================================================================
   TOAST / NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  animation: slideIn var(--transition-normal) ease;
}

.toast-success { border-left: 4px solid var(--color-success); }
.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-error { border-left: 4px solid var(--color-error); }
.toast-info { border-left: 4px solid var(--color-info); }

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

/* Focus visible for keyboard navigation */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--bfs-blue);
  outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Height */
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* Border radius */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* Border */
.border { border: 1px solid var(--border-color); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }

/* Background */
.bg-page { background-color: var(--bg-page); }
.bg-card { background-color: var(--bg-card); }
.bg-secondary { background-color: var(--bg-secondary); }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Transition */
.transition { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container { padding: 0 var(--space-lg); }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-flex { display: flex; }

  .grid-cols-md-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-md-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-flex { display: flex; }

  .grid-cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container { max-width: 1200px; }
}

/* Mobile-first responsive utilities */
@media (max-width: 767px) {
  .hide-mobile { display: none; }

  .navbar {
    padding: 0 var(--space-md);
  }

  .navbar-nav {
    gap: var(--space-sm);
  }

  .nav-link {
    padding: var(--space-xs) var(--space-sm);
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .modal {
    width: 95%;
    max-height: 95vh;
  }
}
