.required {
    color: var(--bs-danger);
}

.section-header {
    margin: 2rem 0 1.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bs-border-color);
}

.section-header:first-child {
    margin-top: 0;
}

.section-header h4 {
    color: var(--bs-primary);
    margin-bottom: 0.25rem;
}

.banker-section,
.leadership-entry {
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background-color: #fff;
    margin-bottom: 1rem;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

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

.btn-primary:hover {
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    opacity: 0.9;
}

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

.alert {
    border-radius: 0.5rem;
}

.is-invalid {
    border-color: var(--bs-danger) !important;
}

/* File input styling */
.form-control[type="file"] {
    padding: 0.375rem 0.75rem;
}

/* Platform fields - hidden by default, shown only when platform is selected */
.linkedin-field,
.instagram-field,
.twitter-field {
    display: none !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .section-header h4 {
        font-size: 1.1rem;
    }
    
    .banker-section,
    .leadership-entry {
        padding: 0.75rem;
    }
}

/* Loading state for form submission */
.form-submitting {
    opacity: 0.7;
    pointer-events: none;
}

/* Custom styling for better visual hierarchy */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Make member/executive labels not bold */
.banker-section .form-label,
.counterparty-section .form-label,
.leadership-entry .form-label {
    font-weight: 400 !important;
}

.form-text {
    font-size: 0.875rem;
    color: var(--bs-secondary);
}

/* Animation for dynamic fields */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Platform field visibility handling */
.linkedin-field, .instagram-field, .twitter-field {
    transition: opacity 0.3s ease-in-out;
    display: none; /* Initially hidden until platform is selected */
}

/* Responsive adjustments for hidden social media fields */
@media (min-width: 768px) {
    .row .linkedin-field[style*="display: none"] ~ .instagram-field,
    .row .linkedin-field[style*="display: none"] ~ .twitter-field {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .row .linkedin-field[style*="display: none"] ~ .instagram-field[style*="display: none"] ~ .twitter-field {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Checkout button styling */
#checkoutBtn {
    transition: all 0.3s ease;
    background-color: #198754;
    border-color: #198754;
}

#checkoutBtn:disabled {
    background-color: #6c757d;
    border-color: #6c757d;
    opacity: 0.6;
}

#checkoutBtn:not(:disabled):hover {
    background-color: #157347;
    border-color: #146c43;
}