#wpforms-builder-overlay {
  background: radial-gradient(50% 50% at 50% 50%, #f8f8f8 37.5%, #e8e8e8 100%);
  cursor: default;
  height: 100%;
  min-width: 0;
  overflow: hidden;
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transition-property: opacity;
  transition-duration: 0.5s;
  transition-timing-function: ease-out;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#wpforms-builder-overlay.fade-out {
  opacity: 0;
}

.wpforms-builder-overlay-content {
  text-align: center;
  position: relative;
  height: 100px;
  width: 100px;
}

.wpforms-builder-overlay-content i {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}

.wpforms-builder-overlay-content i.spinner {
  background-image: url("../../images/builder/loading-spinner.svg");
  border-radius: 50%;
  height: 100px;
  width: 100px;
  -webkit-animation: wpforms-spinner-rotation 0.8s linear infinite;
  -moz-animation: wpforms-spinner-rotation 0.8s linear infinite;
  -ms-animation: wpforms-spinner-rotation 0.8s linear infinite;
  -o-animation: wpforms-spinner-rotation 0.8s linear infinite;
  animation: wpforms-spinner-rotation 0.8s linear infinite;
}

.wpforms-builder-overlay-content i.avatar {
  background-color: #ffffff;
  background-image: url("../../images/builder/loading-avatar.svg");
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
  height: 80px;
  margin: 10px;
  width: 80px;
}

@keyframes wpforms-spinner-rotation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}


/* 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;
    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);
    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;
    box-shadow: none;
}

/* Ensure focus is visible for keyboard users */
.js-focus-visible .focus-visible {
    outline: 2px solid #005fcc;
    outline-offset: 2px;
}