/**
 * Social Share Module - Public Styles
 * 
 * Clean, responsive share buttons and modal with preview card.
 * All values use CSS variables from sg-acf-variables.css.
 *
 * @package    SG_Advanced_Content_Features
 * @subpackage Modules\SocialShare\Assets
 * @since      2.7.0
 * @license    GPL-2.0-or-later
 */

/* ==========================================================================
   Trigger Button
   ========================================================================== */

.sg-acf-share-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sg-acf-space-2);
  padding: var(--sg-acf-space-2-5) var(--sg-acf-space-4-5);
  background: var(--sg-acf-white);
  border: var(--sg-acf-border) solid var(--sg-acf-gray-250);
  border-radius: var(--sg-acf-radius-md);
  color: var(--sg-acf-gray-800);
  font-size: var(--sg-acf-text-md);
  font-weight: var(--sg-acf-weight-medium);
  line-height: var(--sg-acf-leading-relaxed);
  cursor: pointer;
  transition: var(--sg-acf-transition-base);
  box-shadow: var(--sg-acf-shadow-xs);
}

.sg-acf-share-trigger:hover {
  background: var(--sg-acf-gray-100);
  border-color: var(--sg-acf-gray-300);
  box-shadow: var(--sg-acf-shadow-md);
}

.sg-acf-share-trigger:focus-visible {
  outline: var(--sg-acf-border-2) solid var(--sg-acf-primary);
  outline-offset: var(--sg-acf-space-0-5);
}

.sg-acf-share-trigger svg {
  width: var(--sg-acf-icon-xl);
  height: var(--sg-acf-icon-xl);
  flex-shrink: 0;
}

.sg-acf-share-trigger--icon {
  padding: var(--sg-acf-space-2-5);
  border-radius: var(--sg-acf-radius-full);
}

.sg-acf-share-trigger--icon svg {
  width: var(--sg-acf-icon-2xl);
  height: var(--sg-acf-icon-2xl);
}

.sg-acf-share-trigger--sm {
  padding: var(--sg-acf-space-2) var(--sg-acf-space-3-5);
  font-size: var(--sg-acf-text-base);
}

.sg-acf-share-trigger--sm.sg-acf-share-trigger--icon {
  padding: var(--sg-acf-space-2);
}

.sg-acf-share-trigger--sm svg {
  width: var(--sg-acf-icon-lg);
  height: var(--sg-acf-icon-lg);
}

.sg-acf-share-trigger--lg {
  padding: var(--sg-acf-space-3-5) var(--sg-acf-space-6);
  font-size: var(--sg-acf-text-xl);
}

.sg-acf-share-trigger--lg.sg-acf-share-trigger--icon {
  padding: var(--sg-acf-space-3-5);
}

.sg-acf-share-trigger--lg svg {
  width: var(--sg-acf-icon-2xl);
  height: var(--sg-acf-icon-2xl);
}

.sg-acf-share-trigger--square {
  border-radius: var(--sg-acf-radius-none);
}
.sg-acf-share-trigger--rounded {
  border-radius: var(--sg-acf-radius-md);
}
.sg-acf-share-trigger--circle {
  border-radius: var(--sg-acf-radius-pill);
}
.sg-acf-share-trigger--circle.sg-acf-share-trigger--icon {
  border-radius: var(--sg-acf-radius-full);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.sg-acf-share-modal {
  position: fixed;
  top: var(--sg-acf-space-0);
  left: var(--sg-acf-space-0);
  right: var(--sg-acf-space-0);
  bottom: var(--sg-acf-space-0);
  z-index: var(--sg-acf-z-max);
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: var(--sg-acf-opacity-0);
  transition:
    visibility var(--sg-acf-transition-base),
    opacity var(--sg-acf-transition-base);
  pointer-events: none;
  isolation: isolate;
}

.sg-acf-share-modal[aria-hidden="false"] {
  visibility: visible;
  opacity: var(--sg-acf-opacity-100);
  pointer-events: auto;
  z-index: var(--sg-acf-z-max);
}

.sg-acf-share-modal__overlay {
  position: absolute;
  top: var(--sg-acf-space-0);
  left: var(--sg-acf-space-0);
  right: var(--sg-acf-space-0);
  bottom: var(--sg-acf-space-0);
  background: var(--sg-acf-overlay-dark);
  cursor: pointer;
  backdrop-filter: blur(0.1875rem);
}

.sg-acf-share-modal__container {
  position: relative;
  width: 100%;
  max-width: 31.25rem;
  max-height: 85vh;
  margin: var(--sg-acf-space-4);
  background: var(--sg-acf-white);
  border-radius: var(--sg-acf-radius-2xl);
  box-shadow: var(--sg-acf-shadow-2xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--sg-acf-transition-base);
}

.sg-acf-share-modal[aria-hidden="false"] .sg-acf-share-modal__container {
  transform: scale(1);
}

/* ==========================================================================
   Modal Header
   ========================================================================== */

.sg-acf-share-modal__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sg-acf-space-4-5) var(--sg-acf-space-5);
  border-bottom: var(--sg-acf-border) solid var(--sg-acf-gray-200);
  background: var(--sg-acf-white);
}

.sg-acf-share-modal__title {
  margin: var(--sg-acf-space-0);
  font-size: var(--sg-acf-text-2xl);
  font-weight: var(--sg-acf-weight-semibold);
  color: var(--sg-acf-gray-900);
  line-height: var(--sg-acf-leading-normal);
}

.sg-acf-share-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--sg-acf-space-8);
  height: var(--sg-acf-space-8);
  padding: var(--sg-acf-space-0);
  background: transparent;
  border: none;
  border-radius: var(--sg-acf-radius-md);
  color: var(--sg-acf-gray-600);
  cursor: pointer;
  transition: var(--sg-acf-transition-base);
}

.sg-acf-share-modal__close:hover {
  background: var(--sg-acf-gray-150);
  color: var(--sg-acf-gray-900);
}

.sg-acf-share-modal__close:focus-visible {
  outline: var(--sg-acf-border-2) solid var(--sg-acf-primary);
  outline-offset: var(--sg-acf-space-0-5);
}

.sg-acf-share-modal__close svg {
  width: var(--sg-acf-icon-xl);
  height: var(--sg-acf-icon-xl);
}

/* ==========================================================================
   Modal Body (Scrollable)
   ========================================================================== */

.sg-acf-share-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sg-acf-space-5);
  scrollbar-width: thin;
  scrollbar-color: var(--sg-acf-gray-300) var(--sg-acf-gray-150);
}

.sg-acf-share-modal__body::-webkit-scrollbar {
  width: 0.375rem;
}

.sg-acf-share-modal__body::-webkit-scrollbar-track {
  background: var(--sg-acf-gray-150);
  border-radius: var(--sg-acf-radius-lg);
}

.sg-acf-share-modal__body::-webkit-scrollbar-thumb {
  background: var(--sg-acf-gray-300);
  border-radius: var(--sg-acf-radius-lg);
}

.sg-acf-share-modal__body::-webkit-scrollbar-thumb:hover {
  background: var(--sg-acf-gray-400);
}

/* ==========================================================================
   Preview Card
   ========================================================================== */

.sg-acf-share-preview {
  margin-bottom: var(--sg-acf-space-5);
  border: var(--sg-acf-border) solid var(--sg-acf-gray-200);
  border-radius: var(--sg-acf-radius-lg);
  overflow: hidden;
  background: var(--sg-acf-gray-50);
  transition: var(--sg-acf-transition-base);
}

.sg-acf-share-preview__image {
  width: 100%;
  height: auto;
  overflow: hidden;
  background: var(--sg-acf-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sg-acf-share-preview__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sg-acf-share-preview__content {
  padding: var(--sg-acf-space-3-5) var(--sg-acf-space-4);
}

.sg-acf-share-preview__header {
  display: flex;
  align-items: center;
  gap: var(--sg-acf-space-1-5);
  margin-bottom: var(--sg-acf-space-2);
}

.sg-acf-share-preview__favicon {
  width: var(--sg-acf-icon-md);
  height: var(--sg-acf-icon-md);
  border-radius: var(--sg-acf-radius-sm);
  object-fit: contain;
  flex-shrink: 0;
}

.sg-acf-share-preview__site-name {
  font-size: var(--sg-acf-text-sm);
  font-weight: var(--sg-acf-weight-medium);
  color: var(--sg-acf-gray-600);
  text-transform: uppercase;
  letter-spacing: var(--sg-acf-tracking-uppercase);
  line-height: var(--sg-acf-leading-normal);
}

.sg-acf-share-preview__title {
  margin: var(--sg-acf-space-0) var(--sg-acf-space-0) var(--sg-acf-space-1-5);
  font-size: var(--sg-acf-text-lg);
  font-weight: var(--sg-acf-weight-semibold);
  line-height: var(--sg-acf-leading-normal);
  color: var(--sg-acf-gray-900);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  padding: var(--sg-acf-space-0);
}

.sg-acf-share-preview__description {
  margin: var(--sg-acf-space-0) var(--sg-acf-space-0) var(--sg-acf-space-2);
  font-size: var(--sg-acf-text-base);
  line-height: var(--sg-acf-leading-relaxed);
  color: var(--sg-acf-gray-600);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sg-acf-share-preview__url {
  display: flex;
  align-items: center;
  gap: var(--sg-acf-space-1);
  color: var(--sg-acf-gray-500);
  font-size: var(--sg-acf-text-xs);
}

.sg-acf-share-preview__url svg {
  width: var(--sg-acf-icon-sm);
  height: var(--sg-acf-icon-sm);
  flex-shrink: 0;
}

.sg-acf-share-preview__url span {
  word-break: break-all;
}

/* ==========================================================================
   Networks Grid
   ========================================================================== */

.sg-acf-share-modal__networks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sg-acf-space-2-5);
}

/* ==========================================================================
   Share Button
   ========================================================================== */

.sg-acf-share-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sg-acf-space-1-5);
  padding: var(--sg-acf-space-3) var(--sg-acf-space-1-5);
  background: var(--sg-acf-white);
  border: var(--sg-acf-border) solid var(--sg-acf-gray-200);
  border-radius: var(--sg-acf-radius-md);
  color: var(--sg-acf-gray-900);
  font-size: var(--sg-acf-text-xs);
  font-weight: var(--sg-acf-weight-medium);
  line-height: var(--sg-acf-leading-tight);
  text-decoration: none;
  cursor: pointer;
  transition: var(--sg-acf-transition-base);
}

.sg-acf-share-button:hover {
  background: var(--sg-acf-gray-100);
  border-color: var(--share-brand-color, var(--sg-acf-gray-300));
  box-shadow: var(--sg-acf-shadow-md);
  transform: translateY(calc(var(--sg-acf-space-0-5) * -1));
}

.sg-acf-share-button:focus-visible {
  outline: var(--sg-acf-border-2) solid var(--sg-acf-primary);
  outline-offset: var(--sg-acf-space-0-5);
}

.sg-acf-share-button__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--sg-acf-icon-2xl);
  height: var(--sg-acf-icon-2xl);
}

.sg-acf-share-button__icon svg {
  width: var(--sg-acf-icon-2xl);
  height: var(--sg-acf-icon-2xl);
  transition: var(--sg-acf-transition-base);
}

.sg-acf-share-button__label {
  text-align: center;
  word-break: break-word;
}

/* Brand color hover */
.sg-acf-share-button:hover {
  background: var(--share-brand-color);
  color: var(--sg-acf-white) !important;
}

.sg-acf-share-button:hover .sg-acf-share-button__icon svg {
  fill: var(--sg-acf-white);
}

/* Copy Button Success */
.sg-acf-share-button--copy.sg-acf-copied {
  background: var(--sg-acf-success);
  border-color: var(--sg-acf-success);
  color: var(--sg-acf-white);
}

/* ==========================================================================
   Preview Toggle Button (Animated)
   ========================================================================== */

.sg-acf-share-preview-toggle {
  display: flex;
  align-items: center;
  gap: var(--sg-acf-space-2-5);
  width: 100%;
  padding: var(--sg-acf-space-3) var(--sg-acf-space-4);
  margin-bottom: var(--sg-acf-space-4);
  background: linear-gradient(
    135deg,
    var(--sg-acf-gray-50) 0%,
    var(--sg-acf-gray-150) 100%
  );
  border: var(--sg-acf-border) solid var(--sg-acf-gray-200);
  border-radius: var(--sg-acf-radius-lg);
  color: var(--sg-acf-gray-900);
  font-size: var(--sg-acf-text-md);
  font-weight: var(--sg-acf-weight-medium);
  line-height: var(--sg-acf-leading-normal);
  cursor: pointer;
  transition: var(--sg-acf-transition-slow);
  box-shadow: var(--sg-acf-shadow-sm);
}

.sg-acf-share-preview-toggle:hover {
  background: linear-gradient(
    135deg,
    var(--sg-acf-white) 0%,
    var(--sg-acf-gray-100) 100%
  );
  border-color: var(--sg-acf-primary);
  box-shadow: var(--sg-acf-shadow-lg);
  transform: translateY(-0.0625rem);
}

.sg-acf-share-preview-toggle:focus-visible {
  outline: var(--sg-acf-border-2) solid var(--sg-acf-primary);
  outline-offset: var(--sg-acf-space-0-5);
}

.sg-acf-share-preview-toggle__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--sg-acf-space-8);
  height: var(--sg-acf-space-8);
  background: var(--sg-acf-white);
  border-radius: var(--sg-acf-radius-md);
  color: var(--sg-acf-primary);
  transition: var(--sg-acf-transition-base);
  flex-shrink: 0;
}

.sg-acf-share-preview-toggle:hover .sg-acf-share-preview-toggle__icon {
  background: var(--sg-acf-primary);
  color: var(--sg-acf-white);
}

.sg-acf-share-preview-toggle__text {
  flex: 1;
  text-align: left;
  color: var(--sg-acf-gray-900);
}

.sg-acf-share-preview-toggle__badge {
  display: flex;
  align-items: center;
  gap: var(--sg-acf-space-1-5);
  padding: var(--sg-acf-space-2-5);
  background: var(--sg-acf-primary-10);
  border-radius: var(--sg-acf-radius-full);
  color: var(--sg-acf-primary);
}

/* Pulse Animation */
.sg-acf-share-preview-toggle__pulse {
  display: inline-block;
  width: var(--sg-acf-space-2);
  height: var(--sg-acf-space-2);
  background: var(--sg-acf-primary);
  border-radius: var(--sg-acf-radius-full);
  box-shadow: 0 0 0 0 var(--sg-acf-primary-70);
  animation: sg-acf-pulse 2s infinite;
}

@keyframes sg-acf-pulse {
  0% {
    box-shadow: 0 0 0 0 var(--sg-acf-primary-70);
  }
  70% {
    box-shadow: 0 0 0 var(--sg-acf-space-2) var(--sg-acf-primary-10);
  }
  100% {
    box-shadow: 0 0 0 0 var(--sg-acf-primary-10);
  }
}

/* Toggle Active State */
.sg-acf-share-preview-toggle.active {
  background: linear-gradient(
    135deg,
    var(--sg-acf-info-light) 0%,
    var(--sg-acf-primary-light) 100%
  );
  border-color: var(--sg-acf-primary);
  margin-bottom: var(--sg-acf-space-0);
  border-bottom-left-radius: var(--sg-acf-radius-none);
  border-bottom-right-radius: var(--sg-acf-radius-none);
}

.sg-acf-share-preview-toggle.active .sg-acf-share-preview-toggle__icon {
  background: var(--sg-acf-primary);
  color: var(--sg-acf-white);
}

.sg-acf-share-preview-toggle.active .sg-acf-share-preview-toggle__badge {
  background: var(--sg-acf-primary);
  color: var(--sg-acf-white);
}

.sg-acf-share-preview-toggle.active .sg-acf-share-preview-toggle__pulse {
  background: var(--sg-acf-white);
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: sg-acf-pulse-active 2s infinite;
}

@keyframes sg-acf-pulse-active {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 var(--sg-acf-space-2) rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

/* Preview Content Animation */
.sg-acf-share-preview {
  margin-bottom: var(--sg-acf-space-5);
  border: var(--sg-acf-border) solid var(--sg-acf-gray-200);
  border-radius: var(--sg-acf-radius-lg);
  overflow: hidden;
  background: var(--sg-acf-gray-50);
  transition: var(--sg-acf-transition-slower);
  animation: sg-acf-slideDown 0.3s ease;
}

@keyframes sg-acf-slideDown {
  from {
    opacity: var(--sg-acf-opacity-0);
    transform: translateY(calc(var(--sg-acf-space-2-5) * -1));
  }
  to {
    opacity: var(--sg-acf-opacity-100);
    transform: translateY(0);
  }
}

/* When toggle is active, preview appears below it */
.sg-acf-share-preview-toggle.active + .sg-acf-share-preview {
  border-top-left-radius: var(--sg-acf-radius-none);
  border-top-right-radius: var(--sg-acf-radius-none);
  border-top: none;
  margin-top: -0.0625rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media screen and (max-width: 480px) {
  .sg-acf-share-modal__container {
    max-width: 100%;
    margin: var(--sg-acf-space-2-5);
    max-height: 90vh;
    border-radius: var(--sg-acf-radius-xl);
  }

  .sg-acf-share-modal__header {
    padding: var(--sg-acf-space-3-5) var(--sg-acf-space-4);
  }

  .sg-acf-share-modal__title {
    font-size: var(--sg-acf-text-xl);
  }

  .sg-acf-share-modal__body {
    padding: var(--sg-acf-space-4);
  }

  .sg-acf-share-preview {
    margin-bottom: var(--sg-acf-space-4);
  }

  .sg-acf-share-preview__image {
    max-height: 8.75rem;
  }

  .sg-acf-share-preview__content {
    padding: var(--sg-acf-space-3) var(--sg-acf-space-3-5);
  }

  .sg-acf-share-preview__title {
    font-size: var(--sg-acf-text-md);
  }

  .sg-acf-share-preview__description {
    font-size: var(--sg-acf-text-sm);
  }

  .sg-acf-share-modal__networks {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sg-acf-space-2);
  }

  .sg-acf-share-button {
    padding: var(--sg-acf-space-2-5) var(--sg-acf-space-1);
  }

  .sg-acf-share-button__icon {
    width: var(--sg-acf-icon-2xl);
    height: var(--sg-acf-icon-2xl);
  }

  .sg-acf-share-button__icon svg {
    width: var(--sg-acf-icon-xl);
    height: var(--sg-acf-icon-xl);
  }

  .sg-acf-share-button__label {
    font-size: var(--sg-acf-text-2xs);
  }

  .sg-acf-share-preview-toggle {
    padding: var(--sg-acf-space-2-5) var(--sg-acf-space-3-5);
    font-size: var(--sg-acf-text-base);
  }

  .sg-acf-share-preview-toggle__icon {
    width: var(--sg-acf-space-7);
    height: var(--sg-acf-space-7);
  }

  .sg-acf-share-preview-toggle__icon svg {
    width: var(--sg-acf-icon-xl);
    height: var(--sg-acf-icon-xl);
  }

  .sg-acf-share-preview-toggle__badge {
    padding: var(--sg-acf-space-0-5) var(--sg-acf-space-2);
    font-size: var(--sg-acf-text-2xs);
  }

  .sg-acf-share-preview-toggle__pulse {
    width: var(--sg-acf-space-1-5);
    height: var(--sg-acf-space-1-5);
  }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .sg-acf-share-trigger,
  .sg-acf-share-modal,
  .sg-acf-share-modal__container,
  .sg-acf-share-modal__close,
  .sg-acf-share-button,
  .sg-acf-share-button__icon svg {
    transition: none;
  }
}

/* ==========================================================================
   High Contrast Mode
   ========================================================================== */

@media (forced-colors: active) {
  .sg-acf-share-trigger {
    border: var(--sg-acf-border) solid CanvasText;
  }

  .sg-acf-share-modal__container {
    border: var(--sg-acf-border) solid CanvasText;
  }

  .sg-acf-share-button {
    border: var(--sg-acf-border) solid CanvasText;
  }

  .sg-acf-share-preview {
    border: var(--sg-acf-border) solid CanvasText;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .sg-acf-share-trigger,
  .sg-acf-share-modal {
    display: none !important;
  }
}