/* ==========================================================================
   Base styles
   ========================================================================== */

:root {
    --primary-color: #2271b1;
    --primary-hover: #135e96;
    --text-color: #1e1e1e;
    --text-light: #666;
    --border-color: #ddd;
    --border-radius: 4px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s ease-in-out;
}

/* Reset and base styles */
.qa-list-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.qa-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-end;
}

.qa-search-form {
    flex: 1;
    min-width: 250px;
    display: flex;
    gap: 0.5rem;
}

.qa-search-form input[type="text"] {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.qa-search-form input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
    outline: none;
}

.qa-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.qa-button:hover {
    background-color: var(--primary-hover);
}

.qa-category-filter select {
    min-width: 200px;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.qa-category-filter select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
    outline: none;
}

/* Accordion styles */
.qa-accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.qa-accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.qa-accordion-item:last-child {
    border-bottom: none;
}

.qa-question-wrapper {
    margin: 0;
}

.qa-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 18px 25px;
    text-align: left;
    background-color: #f9f9f9;
    border: none;
    border-radius: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    transition: all 0.3s ease;
    position: relative;
    outline: none;
    margin: 0;
}

.qa-question:hover {
    background-color: #f0f0f0;
    color: #1a365d;
}

.qa-question:focus {
    outline: 2px solid #4a90e2;
    outline-offset: 2px;
    background-color: #f0f0f0;
    color: #1a365d;
}

.qa-question[aria-expanded="true"] {
    background-color: #e9ecef;
    color: #1a365d;
}

.qa-question-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.qa-question-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.qa-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
    font-size: 0.9rem;
    color: var(--text-light);
}

.qa-category-badge {
    background-color: #e0f2fe;
    color: #0369a1;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    line-height: 1.2;
}

.qa-submission-date {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.qa-accordion-icon {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text-light);
    transition: transform 0.2s ease;
}

.qa-question.active .qa-accordion-icon {
    transform: rotate(45deg);
}

.qa-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #fff;
    will-change: max-height;
}

.qa-answer[aria-hidden="false"] {
    max-height: 5000px; /* Adjust based on your content */
    transition: max-height 0.5s ease-in-out;
}

.qa-answer-content {
    padding: 25px;
    border-top: 1px solid #e9ecef;
}

/* Focus styles for keyboard navigation */
.qa-answer:focus {
    outline: 2px solid #4a90e2;
    outline-offset: -2px;
}

/* Screen reader only text */
.screen-reader-text {
    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;
}

/* Focus styles for skip links and other interactive elements */
.screen-reader-text:focus {
    width: auto !important;
    height: auto !important;
    clip: auto !important;
    z-index: 100000;
    top: 5px;
    left: 5px;
    padding: 15px 23px 14px;
    background: #fff;
    color: #000;
    text-decoration: none;
    box-shadow: 0 0 2px 2px rgba(0,0,0,.6);
}

.qa-full-question {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
}

.qa-full-question h4,
.qa-answer-text h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 1rem;
}

.qa-answer-text {
    margin-bottom: 1.5rem;
}

.qa-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    justify-content: flex-end;
}

.qa-submission-date time {
    font-weight: 500;
}

.qa-no-results {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-style: italic;
}

/* Pagination */
.qa-pagination {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.qa-pagination .page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

.qa-pagination .page-numbers.current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.qa-pagination .page-numbers:hover:not(.current) {
    background-color: #f5f5f5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .qa-filters {
        flex-direction: column;
    }
    
    .qa-search-form,
    .qa-category-filter {
        width: 100%;
    }
    
    .qa-category-filter select {
        width: 100%;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #e0e0e0;
        --text-light: #a0a0a0;
        --border-color: #444;
    }
    
    .qa-question {
        background-color: #2d2d2d;
    }
    
    .qa-question:hover {
        background-color: #3a3a3a;
    }
    
    .qa-question.active {
        background-color: #1a3a5a;
        border-left-color: #4a90e2;
    }
    
    .qa-answer-content {
        background-color: #1e1e1e;
    }
    
    .qa-category-badge {
        background-color: #1a3a5a;
        color: #4a90e2;
    }
    
    .qa-pagination .page-numbers {
        background-color: #2d2d2d;
        border-color: #444;
    }
    
    .qa-pagination .page-numbers:hover:not(.current) {
        background-color: #3a3a3a;
    }
}

/* Base styles for the form container */
.qa-submit-form-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.qa-form-title {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: #1e1e1e;
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.3;
}

.qa-form-group {
    margin-bottom: 1.5rem;
}

.qa-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1e1e1e;
}

.required::after {
    content: "*";
    color: #d63638;
    margin-left: 0.25rem;
}

.qa-form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #1e1e1e;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #8c8f94;
    border-radius: 4px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.qa-form-control:focus {
    border-color: #007cba;
    box-shadow: 0 0 0 1px #007cba;
    outline: 2px solid transparent;
    outline-offset: 2px;
}

textarea.qa-form-control {
    min-height: 150px;
    resize: vertical;
}

.qa-submit-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: #2271b1;
    color: #fff;
    border: 1px solid #2271b1;
    border-radius: 4px;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.qa-submit-button:hover,
.qa-submit-button:focus {
    background-color: #135e96;
    border-color: #135e96;
    color: #fff;
}

.qa-submit-button:focus {
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px #2271b1;
    outline: 2px solid transparent;
}

.qa-submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.qa-form-message {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
}

.qa-form-message.success {
    color: #0a3622;
    background-color: #d1e7dd;
    border-color: #a3cfbb;
}

.qa-form-message.error {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

.qa-form-message p {
    margin: 0;
}

/* Error states */
.qa-form-group.error .qa-form-control {
    border-color: #d63638;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.qa-form-group.error .error-message {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #d63638;
}

/* Screen reader only text */
.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;
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 999999;
    padding: 8px 16px;
    background: #000;
    color: #fff;
    text-decoration: none;
}

.skip-link:focus {
    left: 6px;
    top: 7px;
}

/* Form accessibility improvements */
.qa-form-input:invalid,
.qa-form-textarea:invalid,
.qa-form-select:invalid {
    border-color: #d63638;
    box-shadow: 0 0 0 1px #d63638;
}

.qa-form-input:valid,
.qa-form-textarea:valid,
.qa-form-select:valid {
    border-color: #00a32a;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .qa-submit-form-container,
    .qa-list-container {
        border: 2px solid;
    }
    
    .qa-form-input,
    .qa-form-textarea,
    .qa-form-select {
        border-width: 2px;
    }
    
    .qa-submit-button {
        border: 2px solid;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .qa-answer.show {
        animation: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .qa-submit-form-container,
    .qa-list-container {
        background: #1a1a1a;
        color: #fff;
    }
    
    .qa-form-title,
    .qa-list-title,
    .qa-form-label,
    .qa-question-title {
        color: #fff;
    }
    
    .qa-form-input,
    .qa-form-textarea,
    .qa-form-select {
        background: #2a2a2a;
        color: #fff;
        border-color: #555;
    }
    
    .qa-filters {
        background: #2a2a2a;
    }
    
    .qa-item {
        border-color: #555;
    }
    
    .qa-question {
        background: #2a2a2a;
        color: #fff;
    }
    
    .qa-question:hover,
    .qa-question:focus {
        background: #3a3a3a;
    }
    
    .qa-answer {
        background: #1a1a1a;
        border-color: #555;
    }
    
    .qa-field-description {
        color: #ccc;
    }
}

/* Print styles */
@media print {
    .qa-filters,
    .qa-submit-button,
    .qa-search-button,
    .qa-pagination {
        display: none;
    }
    
    .qa-answer {
        display: block !important;
    }
    
    .qa-toggle-icon {
        display: none;
    }
    
    .qa-question {
        cursor: default;
        pointer-events: none;
    }
}

/* Mobile accessibility improvements */
@media (max-width: 768px) {
    /* Ensure touch targets are at least 44px */
    .qa-submit-button,
    .qa-search-button,
    .qa-question {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improve form field spacing on mobile */
    .qa-form-row {
        margin-bottom: 24px;
    }
    
    /* Better mobile focus indicators */
    .qa-form-input:focus,
    .qa-form-textarea:focus,
    .qa-form-select:focus {
        outline-width: 3px;
    }
}

/* Loading states */
.qa-loading {
    opacity: 0.6;
    pointer-events: none;
}

.qa-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #0073aa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Error states */
.qa-form-input.error,
.qa-form-textarea.error,
.qa-form-select.error {
    border-color: #d63638;
    background-color: #fef7f7;
}

.qa-field-error {
    color: #d63638;
    font-weight: 500;
    margin-top: 5px;
    font-size: 14px;
}

/* Success states */
.qa-form-messages .notice-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.qa-form-messages .notice-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

/* Accordion accessibility improvements */
.qa-question[aria-expanded="true"] {
    background-color: #e3f2fd;
}

.qa-question[aria-expanded="true"] .qa-toggle-icon {
    transform: rotate(45deg);
}

/* Ensure proper heading hierarchy */
.qa-question-title {
    font-size: 1.1em;
    line-height: 1.4;
    margin: 0;
}

/* Category badges */
.qa-category-badge {
    display: inline-block;
    background: #0073aa;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 500;
    margin-top: 5px;
}

/* Responsive improvements */
@media (max-width: 480px) {
    .qa-submit-form-container,
    .qa-list-container {
        padding: 10px;
        margin: 0 5px;
    }
    
    .qa-form-title,
    .qa-list-title {
        font-size: 1.5em;
    }
    
    .qa-search-wrapper {
        flex-direction: column;
        gap: 10px;
    }
    
    .qa-search-button {
        width: 100%;
        justify-content: center;
    }
}