/* Reduced Motion Support Added - 2025-07-23 */
/* Vendor Prefixes Added - 2025-07-23 */
/**
 * Certificate Styles
 *
 * Styles for certificate-related pages and components.
 */

/* Certificate Tables */
.hvac-certificate-table {

    width: 100%;

    border-collapse: collapse;

    margin-bottom: 20px;

.hvac-certificate-table th {

    background-color: #f1f1f1;

    text-align: left;

    padding: 10px;

    border-bottom: 1px solid #ddd;

    font-weight: 600;

.hvac-certificate-table td {

    padding: 12px 10px;

    border-bottom: 1px solid #eee;

    vertical-align: middle;

.hvac-certificate-table;

    tr: nth-child(even) {
    background-color: #f9f9f9;

.hvac-certificate-table;

.tr:hover {
    background-color: #f0f7ff;

/* Certificate Actions */
.hvac-certificate-actions {

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    gap: 8px;

.hvac-certificate-actions button,
.hvac-certificate-actions a {

    background-color: #fafafa;

    border: 1px solid #ddd;

    padding: 6px 10px;

    -webkit-border-radius: 4px;

    border-radius: 4px;

    cursor: pointer;

    font-size: 13px;

    text-decoration: none;

    -webkit-transition: all 0.2s ease;

    color: #333;

.hvac-certificate-actions;

    button:hover,
.hvac-certificate-actions a:hover {
    background-color: #f0f0f0;

    border-color: #ccc;

.hvac-view-certificate {

    background-color: #e0f7fa \!important;

    border-color: #80deea \!important;

    color: #006064 \!important;

.hvac-view-certificate:hover {
    background-color: #b2ebf2 \!important;

    border-color: #4dd0e1 \!important;

.hvac-email-certificate {

    background-color: #e8f5e9 \!important;

    border-color: #a5d6a7 \!important;

    color: #1b5e20 \!important;

.hvac-email-certificate:hover {
    background-color: #c8e6c9 \!important;

    border-color: #81c784 \!important;

.hvac-revoke-certificate {

    background-color: #ffebee \!important;

    border-color: #ffcdd2 \!important;

    color: #b71c1c \!important;

.hvac-revoke-certificate:hover {
    background-color: #ffcdd2 \!important;

    border-color: #ef9a9a \!important;

/* Certificate status */
.hvac-status-active {

    color: #2e7d32;

    background-color: #e8f5e9;

    padding: 3px 8px;

    -webkit-border-radius: 12px;

    border-radius: 12px;

    display: inline-block;

    font-size: 12px;

    font-weight: 600;

.hvac-status-revoked {

    color: #b71c1c;

    background-color: #ffebee;

    padding: 3px 8px;

    border-radius: 12px;

    display: inline-block;

    font-size: 12px;

    font-weight: 600;

/* Certificate filters */
.hvac-certificate-filters {

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    -ms-flex-wrap: wrap;

    gap: 10px;

    margin-bottom: 20px;

    padding: 15px;

    background-color: #f9f9f9;

    -webkit-border-radius: 5px;

    border-radius: 5px;

    border-radius: 5px;

    border: 1px solid #eee;

.hvac-filter-group {

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    -webkit-box-orient: vertical;

    -webkit-box-direction: normal;

    -ms-flex-direction: column;

    gap: 5px;

    min-width: 200px;

.hvac-filter-group label {

    font-weight: 600;

    font-size: 14px;

.hvac-filter-group select,
.hvac-filter-group input {

    padding: 8px 10px;

    border: 1px solid #ddd;

    border-radius: 4px;

.hvac-filter-submit {

    align-self: flex-end;

    margin-top: auto;

/* Certificate modal */
.hvac-modal-overlay {

    position: fixed;

    top: 0;

    left: 0;

    right: 0;

    bottom: 0;

    background-color: rgba(0, 0, 0, 0.5);

    z-index: 1000;

    display: none;

.hvac-certificate-modal {

    position: fixed;

    top: 50%;

    left: 50%;

    -webkit-transform: translate(-50%, -50%);

    -ms-transform: translate(-50%, -50%);

    background-color: white;

    padding: 20px;

    border-radius: 5px;

    -webkit-box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);

    z-index: 1001;

    max-width: 90vw;

    max-height: 90vh;

    width: 850px;

    display: none;

.hvac-modal-close {

    position: absolute;

    top: 10px;

    right: 15px;

    font-size: 24px;

    cursor: pointer;

    color: #999;

    -webkit-transition: color 0.2s ease;

    transition: color 0.2s ease;

.hvac-modal-close:hover {
    color: #333;

.hvac-certificate-preview {

    width: 100%;

    height: 70vh;

    border: 1px solid #ddd;

    margin-top: 10px;

.hvac-modal-title {

    margin-top: 0;

    margin-bottom: 15px;

    padding-right: 30px;

/* Button loading state */
.hvac-loading {

    opacity: 0.7;

    pointer-events: none;

    position: relative;

.hvac-loading::after {
    content: '';

    display: inline-block;

    width: 12px;

    height: 12px;

    border: 2px solid rgba(0, 0, 0, 0.2);

    border-top-color: #333;

    -webkit-border-radius: 50%;

    -webkit-animation: hvac-spin 1s linear infinite;

    position: absolute;

    right: 8px;

    top: calc(50% - 6px);

@keyframes hvac-spin {
    0% {

    -webkit-transform: rotate(0deg);

    -ms-transform: rotate(0deg);

    100% {

    -webkit-transform: rotate(360deg);

    -ms-transform: rotate(360deg);

/* Empty state message */
.hvac-no-certificates {

    padding: 20px;

    background-color: #f9f9f9;

    border: 1px solid #eee;

    border-radius: 5px;

    text-align: center;

    margin: 20px 0;

/* Certificate link styling */
.hvac-certificate-link {

    color: #28a745;

    text-decoration: none;

    font-weight: 600;

    transition: color 0.2s ease;

.hvac-certificate-link:hover {
    color: #218838;

    text-decoration: underline;

.hvac-certificate-link::after {
    content: ' ↗';

    font-size: 0.8em;

    vertical-align: super;

/* Stats cards */
.hvac-certificate-stats {

    display: grid;

    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));

    gap: 15px;

    margin-bottom: 30px;

.hvac-stat-card {

    background-color: white;

    border: 1px solid #eee;

    border-radius: 5px;

    padding: 15px;

    -webkit-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);

.hvac-stat-card h3 {

    margin-top: 0;

    font-size: 16px;

    color: #555;

.hvac-stat-value {

    font-size: 28px;

    font-weight: 600;

    color: #333;

    margin: 10px 0 5px;

/* Responsive tables */

/* Reduced Motion Support Added - WCAG 2.1 Accessibility */
/* Respects user preference for reduced motion to prevent vestibular disorders */

@media (prefers-reduced-motion: reduce) {
    /* Disable all animations and transitions globally */
    *, *::before, *::after {
        animation-duration: 0.001ms !important;

    animation-delay: 0s !important;

    animation-iteration-count: 1 !important;

    transition-duration: 0.001ms !important;

    transition-delay: 0s !important;

    scroll-behavior: auto !important;

    /* Remove specific transform animations */
    .hvac-animate-fade-in,
    .hvac-animate-scale-up,
    .hvac-animate-pulse,
    .hvac-animate-slide-in-right,
    .hvac-animate-slide-in-left,
    .hvac-animate-slide-in-bottom {

    animation: none !important;

    opacity: 1 !important;

    transform: none !important;

    /* Disable hover transformations */
    .hvac-card:hover,
    .hvac-stat-card:hover,
    .hvac-event-stat-card:hover,
    .hvac-button:hover,
    .hvac-email-submit:hover {
        transform: none !important;

    animation: none !important;

    /* Keep essential visual feedback but remove motion */
    .hvac-card:hover,
    .hvac-stat-card:hover,
    .hvac-event-stat-card:hover {
        border-color: var(--hvac-primary, #0274be) !important;

    box-shadow: 0 0 0 2px rgba(2, 116, 190, 0.2) !important;

    /* Disable loading spinner animation but keep visibility */
    .hvac-loading::after {
        animation: none !important;

    border-radius: 50% !important;

    border: 2px solid rgba(0, 0, 0, 0.2) !important;

    border-top-color: #333 !important;

    /* Disable focus pulse animation */
    .hvac-button:focus,
.hvac-email-submit:focus,
    .hvac-content button[type="submit"]:focus {
        animation: none !important;

    /* Ensure smooth scrolling is disabled */
    html {

    scroll-behavior: auto !important;

    /* Disable CSS Grid/Flexbox animations if any */
    .hvac-dashboard-stats .hvac-stat-card:nth-child(n),
    .hvac-event-summary-stats .hvac-event-stat-card: nth-child(n) {
        animation: none !important;

    opacity: 1 !important;

/* Provide alternative visual feedback for reduced motion users */
@media (prefers-reduced-motion: reduce) {
    /* Enhanced border feedback instead of transform */
    .hvac-content button:hover,
    .hvac-content input[type="submit"]:hover,
    .hvac-content a:hover {
        outline: 2px solid var(--hvac-primary, #0274be) !important;

    outline-offset: 2px !important;

    /* Enhanced color changes for interactive elements */
    .hvac-attendee-item:hover {
        background-color: var(--hvac-primary-light, #e6f3fb) !important;

    border-left: 4px solid var(--hvac-primary, #0274be) !important;

    /* Static loading indicator */
    .hvac-loading {

    opacity: 0.7 !important;

.hvac-loading::after {
        content: "Loading..." !important;

    display: inline-block !important;

    font-size: 12px !important;

    color: #666 !important;

    border: none !important;

    background: none !important;

    border-radius: 0 !important;

    width: auto !important;

    height: auto !important;

    position: static !important;

    margin-left: 8px !important;

@media (max-width: 768px) {
    .hvac-certificate-table {
        display: block;

    overflow-x: auto;

.hvac-certificate-filters {

    -webkit-box-orient: vertical;

    -webkit-box-direction: normal;

    -ms-flex-direction: column;

.hvac-filter-group {

    width: 100%;

/* Enhanced certificate filter styles */

/* Enhanced search field styling */
#search_attendee {

    padding-right: 30px;

    background-image: url('data: image/svg+xml;
    utf8,<svg xmlns=";

    http: //www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%23999" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>');

    background-repeat: no-repeat;

    background-position: calc(100% - 8px) center;

    background-size: 16px;

/* Search results indicator */
.hvac-search-results {

    background-color: #f0f7ff;

/* Certificate Preview Modal */
#hvac-certificate-preview-modal {

    display: none;

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-color: rgba(0, 0, 0, 0.8);

    z-index: 10000;

#hvac-certificate-preview-modal .hvac-modal-content {

    position: relative;

    background-color: #fff;

    margin: 3% auto;

    width: 90%;

    max-width: 1000px;

    height: 85%;

    -webkit-border-radius: 8px;

    -webkit-box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);

    overflow: hidden;

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    -webkit-box-orient: vertical;

    -webkit-box-direction: normal;

    -ms-flex-direction: column;

#hvac-certificate-preview-modal .hvac-modal-header {

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    -webkit-box-pack: justify;

    -ms-flex-pack: justify;

    justify-content: space-between;

    -webkit-box-align: center;

    -ms-flex-align: center;

    align-items: center;

    padding: 15px 20px;

    background-color: #f8f9fa;

    border-bottom: 1px solid #dee2e6;

#hvac-certificate-preview-modal .hvac-modal-header h3 {

    margin: 0;

    font-size: 18px;

    color: #333;

#hvac-certificate-preview-modal .hvac-modal-close {

    font-size: 24px;

    font-weight: bold;

    color: #999;

    cursor: pointer;

    line-height: 1;

    padding: 5px;

#hvac-certificate-preview-modal .hvac-modal-close:hover {
    color: #333;

#hvac-certificate-preview-modal .hvac-modal-body {

    -webkit-box-flex: 1;

    -ms-flex: 1;

    padding: 0;

    overflow: hidden;

#hvac-certificate-preview-iframe {

    width: 100%;

    height: 100%;

    border: none;

/* Certificate Preview Buttons */
.hvac-certificate-previews {

    margin-top: 15px;

    padding: 15px;

    background-color: #f8f9fa;

    border-radius: 5px;

.hvac-certificate-previews h4 {

    margin-top: 0;

    margin-bottom: 10px;

    color: #333;

.hvac-preview-certificate {

    margin-right: 10px;

    margin-bottom: 5px;

.hvac-search-results p {

    margin: 0;

    font-size: 14px;

.hvac-search-results strong {

    font-weight: 600;

    color: #2271b1;

/* Enhanced attendee info display */
.attendee-info {

    display: -webkit-box;

    display: -ms-flexbox;

    display: flex;

    -webkit-box-orient: vertical;

    -webkit-box-direction: normal;

    -ms-flex-direction: column;

.attendee-name {

    font-weight: 600;

.attendee-email {

    font-size: 13px;

    color: #555;

    margin-top: 2px;

/* Input hint text */
.hvac-input-hint {

    font-size: 12px;

    color: #666;

    margin-top: 4px;

/* Clear filters button */
.hvac-button.hvac-secondary {

    background-color: #f0f0f1;

    color: #2c3338;

    border: 1px solid #c5c5c7;

.hvac-button.hvac-secondary:hover {
    background-color: #e0e0e2;

/* Focus Management Styles - WCAG 2.1 Compliance */
/* Added for keyboard accessibility and screen reader support */

/* Button Focus Styles */
.hvac-button:focus,
.hvac-content .button:focus,
.hvac-content button:focus,
.hvac-content input[type="submit"]:focus,
.hvac-email-submit:focus,
.hvac-filter-submit:focus,
.hvac-certificate-actions button:focus,
.hvac-certificate-actions a:focus {
    outline: 2px solid #005fcc;

    outline-offset: 2px;

    -webkit-box-shadow: 0 0 0 3px rgba(0, 95, 204, 0.2);

    box-shadow: 0 0 0 3px rgba(0, 95, 204, 0.2);

    border-radius: 4px;

/* Input Focus Styles */
.hvac-form-input:focus,
.hvac-content input[type="text"]:focus,
.hvac-content input[type="email"]:focus,
.hvac-content input[type="password"]:focus,
.hvac-content input[type="url"]:focus,
.hvac-content textarea:focus,
.hvac-content select:focus,
.hvac-email-form-row input:focus,
.hvac-email-form-row textarea:focus,
.hvac-filter-group input:focus,
.hvac-filter-group select:focus {
    outline: 2px solid #005fcc;

    outline-offset: 2px;

    border-color: #005fcc;

    box-shadow: 0 0 0 3px rgba(0, 95, 204, 0.2);

/* Link Focus Styles */
.hvac-content a:focus,
.hvac-event-link:focus,
.hvac-certificate-link:focus,
.hvac-attendee-profile-icon:focus,
.hvac-dashboard-nav a:focus,
.hvac-email-navigation a:focus {
    outline: 2px solid #005fcc;

    outline-offset: 2px;

    text-decoration: underline;

    background-color: rgba(0, 95, 204, 0.1);

    -webkit-border-radius: 2px;

/* Interactive Element Focus Styles */
.hvac-attendee-checkbox:focus,
.hvac-select-all-container input[type="checkbox"]:focus,
.hvac-modal-close:focus,
.hvac-certificate-table tr:focus {
    outline: 2px solid #005fcc;

    outline-offset: 2px;

    box-shadow: 0 0 0 3px rgba(0, 95, 204, 0.2);

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .hvac-content *:focus {
        outline: 3px solid #000000;

    outline-offset: 2px;

    background-color: #ffff00;

    color: #000000;

/* Focus-visible polyfill support */

/* Reset focus for mouse users while preserving keyboard accessibility */
.js-focus-visible:focus:not(.focus-visible) {
    outline: none;

    -webkit-box-shadow: none;

/* Ensure focus is visible for keyboard users */
.js-focus-visible .focus-visible {

    outline: 2px solid #005fcc;

    outline-offset: 2px;

/* CSS Grid Fallbacks for IE */
.hvac-stats-row,
.hvac-dashboard-stats,
.hvac-certificate-stats {

    display: -ms-grid;

    -ms-grid-columns: repeat(auto-fit, minmax(200px, 1fr));

/* Progressive enhancement for modern browsers */
@supports (display: grid) {
    .hvac-stats-row,
    .hvac-dashboard-stats,
    .hvac-certificate-stats {
        display: grid;

/* Feature Detection Support */
@supports not (display: flex) {
    .hvac-content [class*="flex"] {
        display: table-cell;

    vertical-align: middle;

@supports not (display: grid) {
    .hvac-content [class*="grid"] {
        display: block;

    overflow: hidden;

.hvac-content [class*="grid"] > * {

    float: left;

    width: 50%;