:root {
  --tris-primary: #2c6fce;
  --tris-primary-dark: #1e4f96;
  --tris-secondary: #6c757d;
  --tris-success: #198754;
  --tris-danger: #dc3545;
  --tris-warning: #f0ad4e;
  --tris-info: #0dcaf0;
  --tris-bg: #f0f2f5;
  --tris-card-shadow: 0 1px 3px rgba(0,0,0,0.1);
  --tris-border-radius: 0.5rem;
}

body {
  background-color: var(--tris-bg);
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.875rem;
  color: #333;
  margin: 0;
  padding: 0;
}

.page-header {
  background: linear-gradient(135deg, var(--tris-primary), var(--tris-primary-dark));
  color: #fff;
  padding: 0.6rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.12);
}

.page-header h5,
.page-header h4 {
  margin: 0;
  font-weight: 600;
  font-size: 1rem;
}

.page-header .user-info {
  font-size: 0.8rem;
  opacity: 0.9;
}

.card {
  border: none;
  border-radius: var(--tris-border-radius);
  box-shadow: var(--tris-card-shadow);
  margin-bottom: 1.25rem;
}

.card-header {
  border-radius: var(--tris-border-radius) var(--tris-border-radius) 0 0 !important;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
}

.card-header.bg-primary {
  background: linear-gradient(135deg, var(--tris-primary), var(--tris-primary-dark)) !important;
}

.card-body {
  padding: 1.25rem;
}

.form-label,
.col-form-label {
  font-weight: 500;
  color: #495057;
}

.form-control,
.form-select {
  border-radius: 0.375rem;
  border: 1px solid #ced4da;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--tris-primary);
  box-shadow: 0 0 0 0.2rem rgba(44, 111, 206, 0.15);
}

.required-star {
  color: var(--tris-danger);
  font-weight: bold;
}

.btn-primary {
  background: var(--tris-primary);
  border-color: var(--tris-primary);
}

.btn-primary:hover {
  background: var(--tris-primary-dark);
  border-color: var(--tris-primary-dark);
}

.table > thead {
  background: linear-gradient(135deg, var(--tris-primary), var(--tris-primary-dark));
  color: #fff;
}

.table > thead th {
  font-weight: 600;
  padding: 0.6rem 0.75rem;
  border: none;
  white-space: nowrap;
}

.table > tbody > tr {
  transition: background-color 0.15s ease;
}

.table-hover > tbody > tr:hover {
  background-color: rgba(44, 111, 206, 0.06) !important;
}

.table td {
  vertical-align: middle;
  padding: 0.5rem 0.75rem;
}

.stat-card {
  text-align: center;
  padding: 1.25rem;
  border-radius: var(--tris-border-radius);
  transition: transform 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--tris-primary);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--tris-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-status {
  font-size: 0.75rem;
  padding: 0.35em 0.65em;
  border-radius: 0.375rem;
  font-weight: 500;
}

.patient-icon {
  width: 20px;
  height: 20px;
}

.pagination .page-link {
  color: var(--tris-primary);
}

.pagination .page-item.active .page-link {
  background-color: var(--tris-primary);
  border-color: var(--tris-primary);
}

a {
  color: var(--tris-primary);
  text-decoration: none;
}

a:hover {
  color: var(--tris-primary-dark);
  text-decoration: underline;
}

.search-form .form-control,
.search-form .form-select {
  font-size: 0.85rem;
}

.search-form .btn {
  font-size: 0.85rem;
}

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a3a6c 0%, var(--tris-primary) 50%, #4a90d9 100%);
}

.login-card {
  width: 100%;
  max-width: 560px;
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  overflow: hidden;
}

.login-card .card-body {
  padding: 2.5rem 3.5rem;
}

.login-card .form-control {
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
}

.login-card .btn-primary {
  padding: 0.7rem;
  font-size: 1rem;
  font-weight: 600;
}

.login-logo {
  max-width: 280px;
  height: auto;
  margin-bottom: 1rem;
}

.navbar-thairis {
  background: linear-gradient(135deg, #1a3a6c 0%, var(--tris-primary) 100%);
  padding: 0.25rem 0;
  z-index: 1030;
}

.navbar-thairis .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-size: 0.85rem;
  padding: 0.6rem 0.85rem !important;
  transition: color 0.15s, background 0.15s;
  border-radius: 0.375rem;
  margin: 0 0.1rem;
  white-space: nowrap;
}

.navbar-thairis .nav-link:hover,
.navbar-thairis .nav-link.active {
  color: #fff !important;
  background: rgba(255,255,255,0.15);
}

.navbar-thairis .nav-link i {
  font-size: 1rem;
}

.navbar-thairis .navbar-brand {
  color: #fff !important;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
}

.navbar-thairis .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
}

.navbar-thairis .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255,255,255,0.2);
}

.navbar-thairis .dropdown-menu {
  margin-top: 0.25rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.35rem 0;
  min-width: 220px;
  animation: dropdownFade 0.15s ease-out;
}

@keyframes dropdownFade {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.navbar-thairis .dropdown-menu .dropdown-header {
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem 0.2rem;
}

.navbar-thairis .dropdown-menu .dropdown-item {
  font-size: 0.84rem;
  padding: 0.45rem 1rem;
  color: rgba(255,255,255,0.85);
  border-radius: 0.25rem;
  margin: 0 0.3rem;
  width: auto;
  transition: background 0.12s ease, color 0.12s ease;
}

.navbar-thairis .dropdown-menu .dropdown-item:hover,
.navbar-thairis .dropdown-menu .dropdown-item:focus {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.navbar-thairis .dropdown-menu .dropdown-item i {
  opacity: 0.7;
  width: 1.1em;
  text-align: center;
}

.navbar-thairis .dropdown-menu .dropdown-item:hover i {
  opacity: 1;
}

.navbar-thairis .dropdown-menu .dropdown-divider {
  border-color: rgba(255,255,255,0.12);
  margin: 0.3rem 0.75rem;
}

@media (max-width: 991.98px) {
  .navbar-thairis .navbar-collapse {
    background: linear-gradient(135deg, #1a3a6c 0%, var(--tris-primary) 100%);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.5rem 1rem 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    border-radius: 0 0 0.5rem 0.5rem;
    z-index: 1030;
    max-height: 80vh;
    overflow-y: auto;
  }

  .navbar-thairis .nav-link {
    padding: 0.6rem 0.75rem !important;
    border-radius: 0.375rem;
    font-size: 0.9rem;
  }

  .navbar-thairis .dropdown-menu {
    background: rgba(0,0,0,0.15) !important;
    border: none;
    padding-left: 0.5rem;
    box-shadow: none;
    animation: none;
    margin-top: 0;
    border-radius: 0.375rem;
  }

  .navbar-thairis .dropdown-menu .dropdown-item {
    margin: 0;
    padding: 0.5rem 1rem;
  }

  .mobile-user-section {
    margin-top: 0.25rem;
  }

  .mobile-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.3);
  }

  .content-wrapper {
    padding: 0.75rem;
  }

  .card-body {
    padding: 1rem;
  }

  .page-header {
    padding: 0.5rem 1rem;
  }

  .page-header h5 {
    font-size: 0.9rem;
  }
}

.account-badge {
  background: rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: #fff;
  font-size: 0.78rem;
}

.account-badge img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.3);
  margin-right: 0.5rem;
}

.admin-link-card {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: #333;
  transition: all 0.15s ease;
  text-decoration: none;
  border: 1px solid #e9ecef;
  margin-bottom: 0.5rem;
  background: #fff;
}

.admin-link-card:hover {
  background: var(--tris-primary);
  color: #fff;
  text-decoration: none;
  border-color: var(--tris-primary);
  transform: translateX(4px);
}

.admin-link-card i {
  margin-right: 0.5rem;
  width: 20px;
  text-align: center;
}

.content-wrapper {
  padding: 1rem;
}

.form-check-input:checked {
  background-color: var(--tris-primary);
  border-color: var(--tris-primary);
}

.text-urgent {
  color: var(--tris-danger);
  font-weight: 700;
}