/**
 * WooCommerce Product Image Upload Styles
 * 
 * Elegant typography, rich interactive animations, and responsive layout.
 */

:root {
  --wc-piu-primary: #6366f1; /* Indigo */
  --wc-piu-primary-hover: #4f46e5;
  --wc-piu-primary-light: #e0e7ff;
  --wc-piu-success: #10b981; /* Emerald */
  --wc-piu-danger: #ef4444;
  --wc-piu-dark: #1f2937;
  --wc-piu-gray-light: #f3f4f6;
  --wc-piu-gray-border: #e5e7eb;
  --wc-piu-text-muted: #6b7280;
  --wc-piu-radius: 12px;
  --wc-piu-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --wc-piu-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --wc-piu-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --wc-piu-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Product Page Upload Widget
   ========================================================================== */

.wc-piu-upload-wrapper {
  margin: 24px 0;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--wc-piu-gray-border);
  border-radius: var(--wc-piu-radius);
  box-shadow: var(--wc-piu-shadow-sm);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wc-piu-upload-label {
  display: block;
  margin-bottom: 14px;
}

.wc-piu-label-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--wc-piu-dark);
  margin-bottom: 4px;
}

.wc-piu-label-subtitle {
  display: block;
  font-size: 12.5px;
  color: var(--wc-piu-text-muted);
}

/* Drag & Drop Zone */
.wc-piu-file-dropzone {
  position: relative;
  border: 2px dashed #cbd5e1;
  background-color: var(--wc-piu-gray-light);
  border-radius: var(--wc-piu-radius);
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--wc-piu-transition);
}

.wc-piu-file-dropzone:hover,
.wc-piu-file-dropzone.dragover {
  border-color: var(--wc-piu-primary);
  background-color: var(--wc-piu-primary-light);
}

.wc-piu-file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.wc-piu-dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.wc-piu-upload-icon {
  color: var(--wc-piu-text-muted);
  margin-bottom: 12px;
  transition: var(--wc-piu-transition);
}

.wc-piu-file-dropzone:hover .wc-piu-upload-icon,
.wc-piu-file-dropzone.dragover .wc-piu-upload-icon {
  color: var(--wc-piu-primary);
  transform: translateY(-4px);
}

.wc-piu-dropzone-inner p {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--wc-piu-dark);
}

/* ==========================================================================
   Image Preview Grid & Uploading states
   ========================================================================== */

.wc-piu-preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.wc-piu-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--wc-piu-gray-border);
  background: var(--wc-piu-gray-light);
  animation: wcPiuFadeIn 0.3s ease-out forwards;
}

.wc-piu-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--wc-piu-transition);
}

.wc-piu-preview-item:not(.uploading):hover .wc-piu-preview-img {
  transform: scale(1.08);
}

.wc-piu-remove-file {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  padding: 0;
  z-index: 10;
  transition: var(--wc-piu-transition);
}

.wc-piu-remove-file:hover {
  background: var(--wc-piu-danger);
  transform: scale(1.1);
}

/* Progress indicator styles */
.wc-piu-preview-item.uploading::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  z-index: 3;
}

.wc-piu-progress-container {
  position: absolute;
  bottom: 8px;
  left: 8px;
  right: 8px;
  height: 6px;
  background: var(--wc-piu-gray-border);
  border-radius: 3px;
  overflow: hidden;
  z-index: 4;
}

.wc-piu-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--wc-piu-primary) 0%, var(--wc-piu-primary-hover) 100%);
  border-radius: 3px;
  transition: width 0.1s ease;
}

.wc-piu-upload-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--wc-piu-gray-border);
  border-top-color: var(--wc-piu-primary);
  border-radius: 50%;
  animation: wcPiuSpinner 0.8s linear infinite;
  z-index: 4;
}

@keyframes wcPiuSpinner {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes wcPiuFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==========================================================================
   Cropping Modal (Glassmorphism Popup)
   ========================================================================== */

.wc-piu-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  justify-content: center;
  align-items: center;
  padding: 16px;
  box-sizing: border-box;
}

.wc-piu-modal-overlay.active {
  display: flex;
}

.wc-piu-modal-content {
  background: #ffffff;
  width: 100%;
  max-width: 600px;
  border-radius: 16px;
  box-shadow: var(--wc-piu-shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: wcPiuModalOpen 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  max-height: 90vh;
}

@keyframes wcPiuModalOpen {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.wc-piu-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--wc-piu-gray-border);
}

.wc-piu-modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--wc-piu-dark);
}

.wc-piu-modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--wc-piu-text-muted);
  cursor: pointer;
  padding: 4px;
  transition: var(--wc-piu-transition);
}

.wc-piu-modal-close:hover {
  color: var(--wc-piu-danger);
}

.wc-piu-modal-body {
  padding: 20px;
  background: #0f172a; /* Dark background for Cropper canvas */
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.wc-piu-cropper-container {
  width: 100%;
  max-height: 50vh;
  min-height: 250px;
}

.wc-piu-cropper-container img {
  max-width: 100%;
  display: block;
}

.wc-piu-modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--wc-piu-gray-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--wc-piu-gray-light);
}

.wc-piu-modal-footer button {
  padding: 10px 16px;
  font-weight: 600;
  border-radius: 8px;
  font-size: 13.5px;
  cursor: pointer;
  transition: var(--wc-piu-transition);
}

.wc-piu-modal-footer .button-secondary {
  background: #ffffff;
  color: var(--wc-piu-dark);
  border: 1px solid var(--wc-piu-gray-border);
  display: flex;
  align-items: center;
  gap: 6px;
}

.wc-piu-modal-footer .button-secondary:hover {
  background: var(--wc-piu-gray-light);
}

.wc-piu-modal-footer .button-primary {
  background: var(--wc-piu-primary);
  color: #ffffff;
  border: none;
}

.wc-piu-modal-footer .button-primary:hover {
  background: var(--wc-piu-primary-hover);
}

/* ==========================================================================
   Cart & Checkout Page Previews
   ========================================================================== */

.wc-piu-cart-previews {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.wc-piu-cart-preview-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px;
  background: var(--wc-piu-gray-light);
  border-radius: 8px;
  border: 1px solid var(--wc-piu-gray-border);
  max-width: 250px;
}

.wc-piu-cart-thumbnail {
  width: 40px !important;
  height: 40px !important;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--wc-piu-gray-border);
  margin: 0 !important;
  float: none !important;
}

.wc-piu-cart-filename {
  font-size: 12px;
  color: var(--wc-piu-dark);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   Order Details Page (Customer)
   ========================================================================== */

.wc-piu-order-uploads {
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--wc-piu-gray-border);
}

.wc-piu-order-uploads-title {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--wc-piu-dark);
}

.wc-piu-order-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
}

.wc-piu-order-image-card {
  border: 1px solid var(--wc-piu-gray-border);
  border-radius: 10px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--wc-piu-shadow-sm);
  transition: var(--wc-piu-transition);
}

.wc-piu-order-image-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--wc-piu-shadow-md);
}

.wc-piu-order-image-preview {
  height: 100px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--wc-piu-gray-border);
}

.wc-piu-order-image-info {
  padding: 8px;
}

.wc-piu-order-image-name {
  display: block;
  font-size: 11px;
  color: var(--wc-piu-dark);
  font-weight: 500;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wc-piu-order-image-info a.wc-piu-download-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--wc-piu-primary) 0%, var(--wc-piu-primary-hover) 100%) !important;
  color: #ffffff !important;
  text-decoration: none !important;
  padding: 6px 8px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  border: none !important;
  text-align: center !important;
  transition: var(--wc-piu-transition) !important;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
}

.wc-piu-order-image-info a.wc-piu-download-btn:hover {
  background: linear-gradient(135deg, var(--wc-piu-primary-hover) 0%, #3730a3 100%) !important;
  box-shadow: 0 4px 6px rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}

.wc-piu-order-image-info a.wc-piu-download-btn svg {
  margin: 0;
  display: inline-block;
  vertical-align: middle;
}

/* ==========================================================================
   Admin Interface adjustments
   ========================================================================== */

.wc-piu-admin-fields p.form-field {
  padding: 6px 12px !important;
  margin: 0 !important;
}

.wc-piu-admin-fields label {
  font-weight: 500 !important;
  color: #3c434a !important;
}

/* ==========================================================================
   Admin Lightbox Popup
   ========================================================================== */

.wc-piu-admin-lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.wc-piu-admin-lightbox-overlay.active {
  display: flex;
  opacity: 1;
}

.wc-piu-admin-lightbox-img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wc-piu-admin-lightbox-overlay.active .wc-piu-admin-lightbox-img {
  transform: scale(1);
}

.wc-piu-admin-lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 36px;
  font-weight: bold;
  color: #f3f4f6;
  cursor: pointer;
  line-height: 1;
  transition: var(--wc-piu-transition);
}

.wc-piu-admin-lightbox-close:hover {
  color: var(--wc-piu-danger);
  transform: scale(1.1);
}