/* Harmonisation DataTables Bootstrap 5 */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border-radius: 0.25rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  padding: 0.25rem 0.6rem;
  border-radius: 0.25rem;
  margin-left: 0.15rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: #e9ecef;
  border: 1px solid #dee2e6;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
  opacity: 0.5;
}
/* Université de Bordeaux inspired blue theme for Bootstrap 5 */
:root {
  --ubx-primary: #0b6fb8;           /* primary blue */
  --ubx-primary-dark: #084e83;      /* darker blue for hovers */
  --ubx-primary-900: #062f50;       /* deepest */
  --ubx-primary-100: #e6f0fa;       /* light background */
  --ubx-accent: #00a2e8;            /* accent cyan */
  --ubx-gray-900: #0b0e14;          /* dark text on dark bg */
  --ubx-gray-700: #3a3f4b;
  --ubx-success: #2e7d32;
  --ubx-warning: #b26a00;
  --ubx-danger:  #c62828;

  /* Bootstrap CSS variables override */
  --bs-primary: var(--ubx-primary);
  --bs-primary-rgb: 11,111,184;
  --bs-link-color: var(--ubx-primary);
  --bs-link-hover-color: var(--ubx-primary-dark);
  --bs-success: var(--ubx-success);
  --bs-warning: var(--ubx-warning);
  --bs-danger: var(--ubx-danger);
}

/* Global styles */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f8f9fa;
}

/* Navbar */
.navbar.ubx-navbar {
  background: linear-gradient(135deg, var(--ubx-primary) 0%, var(--ubx-primary-dark) 100%) !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 0.75rem 1rem;
}
.navbar.ubx-navbar .navbar-brand,
.navbar.ubx-navbar .nav-link,
.navbar.ubx-navbar .navbar-text {
  color: #fff !important;
}
.navbar.ubx-navbar .nav-link {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.2s;
}
.navbar.ubx-navbar .nav-link.active,
.navbar.ubx-navbar .nav-link:focus,
.navbar.ubx-navbar .nav-link:hover {
  color: #dbe9f8 !important;
  background-color: rgba(255,255,255,0.1);
}
.navbar.ubx-navbar .navbar-text {
  font-size: 0.95rem;
  opacity: 0.95;
}
.navbar.ubx-navbar .dropdown-menu {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border: none;
  margin-top: 0.5rem;
}
.navbar.ubx-navbar .dropdown-item {
  padding: 0.5rem 1rem;
  transition: background-color 0.2s;
}
.navbar.ubx-navbar .dropdown-item:hover {
  background-color: var(--ubx-primary-100);
  color: var(--ubx-primary-dark);
}

/* Cards */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
}
.card-header {
  background: linear-gradient(135deg, var(--ubx-primary-100) 0%, #fff 100%);
  border-bottom: 2px solid var(--ubx-primary);
  font-weight: 600;
  border-radius: 12px 12px 0 0 !important;
}
.card-body {
  padding: 1.5rem;
}

/* Buttons */
.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s ease-in-out;
}
.btn-primary {
  --bs-btn-bg: var(--ubx-primary);
  --bs-btn-border-color: var(--ubx-primary);
  --bs-btn-hover-bg: var(--ubx-primary-dark);
  --bs-btn-hover-border-color: var(--ubx-primary-dark);
  --bs-btn-active-bg: var(--ubx-primary-dark);
  --bs-btn-active-border-color: var(--ubx-primary-dark);
}
.btn-outline-primary {
  --bs-btn-color: var(--ubx-primary);
  --bs-btn-border-color: var(--ubx-primary);
  --bs-btn-hover-bg: var(--ubx-primary);
  --bs-btn-hover-border-color: var(--ubx-primary);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
.btn:active {
  transform: translateY(0);
}

/* Forms */
.form-control, .form-select {
  border-radius: 8px;
  border: 1px solid #dee2e6;
  padding: 0.625rem 0.875rem;
  transition: all 0.2s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--ubx-primary);
  box-shadow: 0 0 0 .25rem rgba(11,111,184, .15);
}
.form-label {
  font-weight: 500;
  color: var(--ubx-gray-700);
  margin-bottom: 0.5rem;
}
.form-floating > label {
  color: var(--ubx-gray-700);
}

/* Tables */
.table {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.table thead th {
  background: linear-gradient(135deg, var(--ubx-primary) 0%, var(--ubx-primary-dark) 100%);
  color: white;
  font-weight: 600;
  border: none;
  padding: 1rem;
}
.table tbody tr {
  border-bottom: 1px solid #e9ecef;
  transition: background-color 0.2s;
}
.table tbody tr:hover {
  background-color: var(--ubx-primary-100);
}
.table tbody td {
  padding: 1rem;
  vertical-align: middle;
}

/* Alerts */
.alert {
  border-radius: 10px;
  border: none;
  padding: 1rem 1.25rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}
.alert-success { background: #e8f5e9; color: #1b5e20; border-left: 4px solid #2e7d32; }
.alert-warning { background: #fff8e1; color: #8a6d00; border-left: 4px solid #b26a00; }
.alert-danger  { background: #ffebee; color: #7f1d1d; border-left: 4px solid #c62828; }
.alert-info    { background: #e3f2fd; color: #0d47a1; border-left: 4px solid var(--ubx-primary); }

/* Badges */
.badge {
  border-radius: 6px;
  padding: 0.35em 0.65em;
  font-weight: 500;
}

/* Page Headers */
.page-header {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.page-header h1, .page-header h2 {
  margin-bottom: 0.5rem;
  color: var(--ubx-primary-900);
}
.page-header .lead {
  color: var(--ubx-gray-700);
}

/* Document Section */
.document-upload-form {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  border: 2px dashed #dee2e6;
  transition: all 0.3s;
}
.document-upload-form:hover {
  border-color: var(--ubx-primary);
  background: var(--ubx-primary-100);
}

/* Links and headings */
a { text-decoration: none; transition: color 0.2s; }
a:hover { text-decoration: none; color: var(--ubx-primary-dark) !important; }

h1, h2, h3, h4, h5, h6 { 
  color: var(--ubx-primary-900);
  font-weight: 600;
}

/* Focus visible for a11y */
:focus-visible { outline: 2px solid var(--ubx-accent); outline-offset: 2px; }
.btn:focus-visible, .nav-link:focus-visible, a.btn:focus-visible {
  outline: 2px solid var(--ubx-accent);
  outline-offset: 3px;
}
input[type="checkbox"]:focus-visible, input[type="radio"]:focus-visible {
  outline: 2px solid var(--ubx-accent);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus, .skip-link:focus-visible {
  left: 0;
  top: 0;
  width: auto;
  height: auto;
  overflow: visible;
  background: var(--ubx-primary);
  color: #fff;
  padding: .5rem .75rem;
  z-index: 10000;
  text-decoration: none;
}

/* Main container */
main.container {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
  .table {
    font-size: 0.9rem;
  }
  .card-body {
    padding: 1rem;
  }
}