:root {
  --cardian-primary: #1E4D8B;
  --cardian-accent: #1BB5E8;
  --cardian-bg: #f5f7fb;
  --cardian-text: #141b2d;
  --cardian-radius: 1rem;
  --cardian-shadow: 0 0.5rem 1.5rem rgba(20, 27, 45, 0.08);
}

html {
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: var(--cardian-text);
  background:
    radial-gradient(circle at top right, #ffe0d6, transparent 45%),
    radial-gradient(circle at bottom left, #dbe2f4, transparent 55%),
    var(--cardian-bg);
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

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

a {
  color: var(--cardian-accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--cardian-primary);
  text-decoration: underline;
}

.navbar-cardian {
  background: #fff;
  box-shadow: 0 2px 12px rgba(20, 27, 45, 0.06);
  padding: 0.75rem 0;
}

.navbar-cardian .navbar-brand {
  padding: 0;
  margin-right: 1.5rem;
}

.cardian-logo-img {
  height: 2.5rem;
  width: auto;
  display: block;
}

.navbar-cardian .nav-link {
  color: var(--cardian-text);
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.5rem 0.85rem;
  margin-right: 0.25rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.navbar-cardian .nav-link:hover,
.navbar-cardian .nav-link:focus {
  color: var(--cardian-primary);
  background-color: rgba(27, 181, 232, 0.08);
}

.navbar-cardian .nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--cardian-accent), var(--cardian-primary));
}

.navbar-cardian .navbar-toggler {
  border: none;
  color: var(--cardian-primary);
}

.navbar-cardian .navbar-toggler-icon {
  filter: invert(21%) sepia(96%) saturate(1526%) hue-rotate(186deg) brightness(94%) contrast(101%);
}

.btn-cardian {
  background: linear-gradient(135deg, var(--cardian-accent), var(--cardian-primary));
  color: #fff;
  border: none;
  border-radius: 0.6rem;
  padding: 0.55rem 1.25rem;
  font-weight: 500;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-cardian:hover,
.btn-cardian:focus {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 77, 139, 0.25);
}

.btn-cardian:active {
  transform: translateY(0);
}

.btn-cardian-outline {
  background: transparent;
  color: var(--cardian-primary);
  border: 1px solid rgba(30, 77, 139, 0.25);
  border-radius: 0.6rem;
  padding: 0.55rem 1.25rem;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-cardian-outline:hover,
.btn-cardian-outline:focus {
  background: rgba(27, 181, 232, 0.08);
  color: var(--cardian-primary);
  border-color: rgba(30, 77, 139, 0.45);
}

.btn-cardian-danger {
  background: transparent;
  color: #c0392b;
  border: 1px solid rgba(192, 57, 43, 0.35);
  border-radius: 0.6rem;
  padding: 0.55rem 1.25rem;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-cardian-danger:hover,
.btn-cardian-danger:focus {
  background: rgba(192, 57, 43, 0.08);
  color: #c0392b;
  border-color: rgba(192, 57, 43, 0.55);
}

.card {
  border: none;
  border-radius: var(--cardian-radius);
  box-shadow: var(--cardian-shadow);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.25rem 1.5rem;
}

.table-cardian {
  margin-bottom: 0;
}

.table-cardian thead th {
  background: rgba(27, 181, 232, 0.08);
  color: var(--cardian-primary);
  font-weight: 600;
  border-bottom: 2px solid rgba(27, 181, 232, 0.2);
  white-space: nowrap;
}

.table-cardian tbody tr:hover {
  background-color: rgba(27, 181, 232, 0.04);
}

.table-cardian td {
  vertical-align: middle;
}

.form-control,
.form-select {
  border-radius: 0.6rem;
  border: 1px solid #d1d9e6;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--cardian-accent);
  box-shadow: 0 0 0 0.2rem rgba(27, 181, 232, 0.25);
}

.form-label {
  font-weight: 500;
  color: var(--cardian-primary);
  margin-bottom: 0.35rem;
}

.site-footer {
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1.25rem 0;
  margin-top: auto;
  color: #6c757d;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--cardian-accent);
}

.hero-section {
  padding: 3rem 0;
  text-align: center;
}

.hero-section h1 {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.hero-section p {
  font-size: 1.15rem;
  color: #5a6479;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.quick-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.quick-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0.75rem 2rem rgba(20, 27, 45, 0.12);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin: 0;
}

.pagination-cardian .page-item.active .page-link {
  background: linear-gradient(135deg, var(--cardian-accent), var(--cardian-primary));
  border-color: var(--cardian-primary);
  color: #fff;
}

.pagination-cardian .page-link {
  color: var(--cardian-primary);
  border-radius: 0.5rem;
  margin: 0 0.15rem;
  border: 1px solid rgba(30, 77, 139, 0.15);
}

.pagination-cardian .page-link:hover {
  background-color: rgba(27, 181, 232, 0.08);
  color: var(--cardian-primary);
}

.pagination-cardian .page-item.disabled .page-link {
  color: #adb5bd;
  background-color: transparent;
  border-color: rgba(0, 0, 0, 0.05);
}

.text-danger {
  color: #c0392b !important;
}

@media (max-width: 991px) {
  .navbar-cardian .nav-link {
    margin-right: 0;
  }

  .hero-section h1 {
    font-size: 2rem;
  }
}