body {
    background-color: #f4f7fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1) !important;
}

.card-header {
    background: linear-gradient(135deg, #0a2c55 0%, #04162C 100%);
    border-bottom: 0;
}

.form-label {
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid #ced4da;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.text-primary {
    --bs-text-opacity: 1;
    color: #04162C !important;
}

.btn-primary {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #0a2c55 0%, #04162C 100%);
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(13, 110, 253, 0.2) !important;
}

/* Adjust Select2 to match Bootstrap 5 */
.select2-container--bootstrap-5 .select2-selection {
    min-height: calc(1.5em + 1.5rem + 2px);
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    line-height: 1.5;
    padding: 0;
}

.invalid-feedback {
    display: none;
    font-size: 0.875em;
    color: #dc3545;
}

.is-invalid ~ .invalid-feedback {
    display: block;
}

.processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 22, 44, 0.72);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.processing-overlay.show {
    display: flex;
}

.processing-overlay__content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(2px);
}