/* Enhanced Accessibility Styles for Modal Components */

/* Screen reader only class */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: 0.25rem 0.5rem !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
    background-color: var(--bs-primary) !important;
    color: var(--bs-white) !important;
    text-decoration: none !important;
    border-radius: 0.25rem !important;
}

/* Enhanced focus styles for better visibility */
.modal input:focus,
.modal button:focus,
.modal .btn:focus,
.modal .form-check-input:focus {
    outline: 3px solid var(--bs-warning) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25) !important;
}

/* High contrast focus for accessibility */
@media (prefers-contrast: high) {
    .modal input:focus,
    .modal button:focus,
    .modal .btn:focus,
    .modal .form-check-input:focus {
        outline: 3px solid #000 !important;
        outline-offset: 2px !important;
        box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.5) !important;
    }
}

/* Enhanced validation error states */
.modal .is-invalid {
    border-color: var(--bs-danger) !important;
    border-width: 2px !important;
    box-shadow: 0 0 0 0.1rem rgba(220, 53, 69, 0.25) !important;
}

.modal .is-invalid:focus {
    outline: 3px solid var(--bs-danger) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5) !important;
}

/* Validation error announcements */
.validation-error {
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.validation-error[aria-live="assertive"] {
    /* Ensure assertive announcements are prioritized */
    position: relative;
}

/* Modal enhancement for better accessibility */
.modal.fade .modal-dialog {
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}

/* Reduce motion for accessibility preference */
@media (prefers-reduced-motion: reduce) {
    .modal.fade .modal-dialog {
        transition: none;
    }
}

/* Enhanced form structure for screen readers */
.modal fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.modal legend {
    font-size: 1rem;
    font-weight: 500;
}

/* Live region for announcements */
#qa-form-announcements {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Form field help text styling */
.form-text.text-muted {
    font-size: 0.8rem;
    margin-top: 0.25rem;
    color: var(--bs-secondary) !important;
}

/* Modal backdrop enhancement for accessibility */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.75);
}

/* Button group accessibility */
.modal-footer[role="group"] {
    gap: 0.5rem;
}

.modal-footer .btn {
    min-width: 100px;
    padding: 0.375rem 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 400;
}

/* Placeholder text contrast enhancement */
.modal input::placeholder {
    color: var(--bs-secondary) !important;
    opacity: 0.8;
}

/* Form labels with required/optional indicators */
.form-label .text-muted {
    font-weight: 400;
    font-size: 0.9em;
}

/* Enhanced checkbox styling for accessibility */
.form-check-input:focus {
    border-color: var(--bs-warning) !important;
    outline: 3px solid var(--bs-warning) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25) !important;
}

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

/* Ensure text contrast meets WCAG guidelines */
.text-muted {
    color: var(--bs-secondary) !important;
}

/* Modal header enhancement */
.modal-header .modal-title {
    font-weight: 600;
    color: var(--bs-body-color);
}

/* Close button enhancement */
.modal-header .btn-close {
    font-size: 1.2rem;
    opacity: 0.8;
}

.modal-header .btn-close:hover,
.modal-header .btn-close:focus {
    opacity: 1;
    outline: 3px solid var(--bs-warning) !important;
    outline-offset: 2px !important;
}