/* Accessibility Helper Styles - CSP Compliant */

.progress-container {
    width: 100%;
}

.progress-track {
    width: calc(100% - 70px);
    height: 8px;
    background-color: #E3E5F0;
    border-radius: 90px;
    display: inline-block;
    vertical-align: -webkit-baseline-middle;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 90px;
    transition: 0.3s all ease-in-out;
}

.progress-text {
    padding: 0px 6px;
    font-weight: bold;
    font-size: 12px;
    color: #999FB4;
}

/* Focus styles for better accessibility */
.progress-track:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Screen reader only content */
.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 {
    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;
    border: 0 !important;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #007bff;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
    text-decoration: none;
    color: white;
}

/* Content player navigation button styles */
.content-item-button,
.content-item-disabled,
.reviews-certificate-button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    outline: inherit;
    text-align: left;
    width: 100%;
    color: inherit;
}

.content-item-button:focus,
.reviews-certificate-button:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

.content-item-disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.content-item-disabled:focus {
    outline: 2px solid #dc3545;
    outline-offset: 2px;
}

/* Evaluation form accessibility improvements */
.evaluation-option {
    position: relative;
}

.evaluation-option input[type="radio"],
.evaluation-option input[type="checkbox"] {
    margin-right: 8px;
}

.evaluation-option input[type="radio"]:focus,
.evaluation-option input[type="checkbox"]:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
    z-index: 1;
}

.evaluation-option label {
    display: block;
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.evaluation-option label:hover {
    background-color: rgba(0, 123, 255, 0.1);
}

.evaluation-option input:focus + label {
    background-color: rgba(0, 123, 255, 0.1);
}

.alternative-letter {
    font-weight: bold;
    margin-right: 8px;
}

.alternative-text {
    flex: 1;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .progress-track {
        border: 1px solid;
    }

    .skip-link {
        border: 2px solid;
    }

    .evaluation-option input:focus + label {
        border: 2px solid;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .progress-fill {
        transition: none;
    }
    
    .evaluation-option label {
        transition: none;
    }
}