:root {
  --primary-color: #006064;    /* Deep Petrol */
  --primary-light: #4db6ac;    /* Light Teal */
  --primary-dark: #00363a;     /* Dark Petrol */
  --secondary-color: #ffffff;  /* White */
  --accent-color: #00838f;     /* Medium Petrol */
  --text-color: #333333;
  --text-muted: #6c757d;
  --bg-color: #ffffff;
  --border-color: #dee2e6;
  --success-color: #26a69a;    /* Teal Success */
  --warning-color: #00695c;    /* Dark Teal Warning */
  --danger-color: #b71c1c;     /* Deep Red */
  --info-color: #0097a7;       /* Cyan Petrol */
}

[data-bs-theme="dark"] {
  --primary-color: #4db6ac;
  --primary-light: #82e9de;
  --primary-dark: #00695c;
  --secondary-color: #1e1e1e;
  --text-color: #ffffff;
  --text-muted: #adb5bd;
  --bg-color: #1e1e1e;
  --border-color: #495057;
}

/* Custom Bootstrap theme overrides */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

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

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

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

.bg-primary {
  background-color: var(--primary-color) !important;
}

.text-primary {
  color: var(--primary-color) !important;
}

.navbar-brand {
  font-weight: bold;
  font-size: 1.5rem;
}

.navbar-brand i {
  margin-right: 0.5rem;
}

/* Card styling */
.card {
  border: 1px solid var(--border-color);
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
  background-color: var(--primary-color);
  color: white;
  border-bottom: 1px solid var(--border-color);
}

/* Table styling */
.table {
  color: var(--text-color);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 96, 100, 0.05);
}

/* Form styling */
.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 96, 100, 0.25);
}

.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 96, 100, 0.25);
}

/* Dashboard cards */
.dashboard-stat-card {
  border-left: 4px solid var(--primary-color);
}

/* Eye prescription table styling */
.eye-prescription-table td {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
}

/* Calculation summary styling */
.calculation-summary {
  background-color: rgba(0, 96, 100, 0.05);
  padding: 1rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
}

/* Badge styling */
.badge {
  font-size: 0.75rem;
}

/* Animation for loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn-group .btn {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
  }
  
  .table-responsive table {
    font-size: 0.875rem;
  }
}

/* Dark mode specific adjustments */
[data-bs-theme="dark"] .card {
  background-color: var(--secondary-color);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .table {
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--border-color);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  background-color: var(--secondary-color);
  border-color: var(--border-color);
  color: var(--text-color);
}

[data-bs-theme="dark"] .calculation-summary {
  background-color: rgba(77, 182, 172, 0.1);
  border-color: var(--border-color);
}

/* Print styles for reports */
@media print {
  .navbar,
  .btn,
  .pagination {
    display: none !important;
  }
  
  .card {
    border: none;
    box-shadow: none;
  }
  
  .card-header {
    background-color: transparent !important;
    color: black !important;
    border-bottom: 2px solid black;
  }
  
  .table {
    border-collapse: collapse;
  }
  
  .table th,
  .table td {
    border: 1px solid black !important;
  }
}

/* Global search styling */
#globalSearchInput {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
}

#globalSearchInput::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

#globalSearchInput:focus {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
  color: white;
}

/* Responsive search bar */
@media (max-width: 768px) {
  #globalSearchForm .input-group {
    width: 200px !important;
  }
  
  #globalSearchInput::placeholder {
    content: "Search...";
  }
}

@media (max-width: 576px) {
  #globalSearchForm .input-group {
    width: 150px !important;
  }
  
  #globalSearchForm {
    margin-right: 0.5rem;
  }
}

/* Additional utility classes */
.cursor-pointer {
  cursor: pointer;
}

.text-petrol {
  color: var(--primary-color) !important;
}

.bg-petrol {
  background-color: var(--primary-color) !important;
}

.border-petrol {
  border-color: var(--primary-color) !important;
}

/* Icon adjustments */
.bi {
  vertical-align: -0.125em;
}

/* Loading spinner */
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* Status indicators */
.status-paid {
  color: var(--success-color);
  font-weight: bold;
}

.status-outstanding {
  color: var(--warning-color);
  font-weight: bold;
}

.status-overdue {
  color: var(--danger-color);
  font-weight: bold;
}

/* Enhanced form styling */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  color: var(--primary-color);
}

/* Enhanced table styling */
.table > :not(caption) > * > * {
  border-bottom-width: 1px;
}

/* Modal enhancements */
.modal-header {
  background-color: var(--primary-color);
  color: white;
}

[data-bs-theme="dark"] .modal-content {
  background-color: var(--secondary-color);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .modal-header {
  border-bottom-color: var(--border-color);
}

/* Pagination styling */
.page-link {
  color: var(--primary-color);
}

.page-link:hover {
  color: var(--primary-dark);
  background-color: rgba(0, 96, 100, 0.1);
  border-color: var(--primary-color);
}

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