/* ===========================================
   GESTIOLEX - Document Preview (Anteprima Documenti)
   =========================================== */

/* ===========================================
   PULSANTE ANTEPRIMA
   =========================================== */
.btn-preview {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 0.9rem;
  color: #6b7280;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.btn-preview:hover {
  color: #0B5E70;
  background: #e7f5f7;
  border-color: #0B5E70;
}

.btn-preview.no-preview {
  opacity: 0.4;
  cursor: default;
}

.btn-preview.no-preview:hover {
  color: #6b7280;
  background: transparent;
  border-color: transparent;
}

/* ===========================================
   POPOVER ANTEPRIMA (HOVER)
   =========================================== */
.preview-popover {
  position: fixed;
  z-index: 10000;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95);
  transition: all 0.15s ease;
  pointer-events: none;
}

.preview-popover.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.preview-popover-content {
  max-width: 320px;
  max-height: 400px;
  overflow: hidden;
  border-radius: 4px;
  background: #f9fafb;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-popover-content img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  display: block;
}

.preview-popover-content iframe {
  width: 320px;
  height: 400px;
  border: none;
}

.preview-popover-content .preview-placeholder {
  padding: 40px 20px;
  text-align: center;
  color: #9ca3af;
}

.preview-popover-content .preview-placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
  display: block;
}

.preview-popover-content .preview-placeholder-text {
  font-size: 0.85rem;
}

/* Freccia del popover - disabilitata (popover centrato) */
/*
.preview-popover::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: white;
  border: 1px solid #e5e7eb;
  border-right: none;
  border-bottom: none;
  transform: rotate(-45deg);
}

.preview-popover.position-right::before {
  left: -7px;
  top: 20px;
  transform: rotate(-45deg);
}

.preview-popover.position-left::before {
  right: -7px;
  top: 20px;
  transform: rotate(135deg);
}

.preview-popover.position-bottom::before {
  top: -7px;
  left: 20px;
  transform: rotate(45deg);
}
*/

/* Footer popover */
.preview-popover-footer {
  padding: 8px 4px 4px;
  font-size: 0.75rem;
  color: #6b7280;
  text-align: center;
  border-top: 1px solid #e5e7eb;
  margin-top: 8px;
}

/* ===========================================
   MODAL ANTEPRIMA (CLICK)
   =========================================== */
.preview-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.preview-modal.show {
  opacity: 1;
  visibility: visible;
}

.preview-modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.preview-modal.show .preview-modal-content {
  transform: scale(1);
}

/* Header modal */
.preview-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.preview-modal-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-modal-title-icon {
  font-size: 1.1rem;
}

.preview-modal-title-text {
  max-width: 400px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-modal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
}

.preview-modal-btn-download {
  background: #0B5E70;
  color: white;
}

.preview-modal-btn-download:hover {
  background: #094a59;
}

.preview-modal-btn-close {
  background: transparent;
  color: #6b7280;
  font-size: 1.25rem;
  padding: 6px 10px;
}

.preview-modal-btn-close:hover {
  color: #111827;
  background: #e5e7eb;
}

/* Body modal */
.preview-modal-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1f2937;
  min-height: 300px;
}

.preview-modal-body img {
  max-width: 90vw;
  max-height: calc(90vh - 60px);
  object-fit: contain;
}

.preview-modal-body iframe {
  width: 85vw;
  height: calc(90vh - 60px);
  border: none;
  background: white;
}

.preview-modal-body .preview-error {
  padding: 60px 40px;
  text-align: center;
  color: #9ca3af;
}

.preview-modal-body .preview-error-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.preview-modal-body .preview-error-text {
  font-size: 1rem;
  margin-bottom: 8px;
}

.preview-modal-body .preview-error-hint {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===========================================
   LOADING SPINNER
   =========================================== */
.preview-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: #9ca3af;
}

.preview-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e5e7eb;
  border-top-color: #0B5E70;
  border-radius: 50%;
  animation: preview-spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes preview-spin {
  to { transform: rotate(360deg); }
}

.preview-loading-text {
  font-size: 0.85rem;
}

/* ===========================================
   DARK MODE
   =========================================== */
[data-bs-theme="dark"] .btn-preview {
  color: #9ca3af;
}

[data-bs-theme="dark"] .btn-preview:hover {
  color: #4dd0e1;
  background: rgba(77, 208, 225, 0.15);
  border-color: #4dd0e1;
}

[data-bs-theme="dark"] .preview-popover {
  background: #1f2937;
  border-color: #374151;
}

[data-bs-theme="dark"] .preview-popover::before {
  background: #1f2937;
  border-color: #374151;
}

[data-bs-theme="dark"] .preview-popover-content {
  background: #111827;
}

[data-bs-theme="dark"] .preview-popover-footer {
  border-top-color: #374151;
  color: #9ca3af;
}

[data-bs-theme="dark"] .preview-modal-content {
  background: #1f2937;
}

[data-bs-theme="dark"] .preview-modal-header {
  background: #111827;
  border-bottom-color: #374151;
}

[data-bs-theme="dark"] .preview-modal-title {
  color: #f3f4f6;
}

[data-bs-theme="dark"] .preview-modal-btn-close {
  color: #9ca3af;
}

[data-bs-theme="dark"] .preview-modal-btn-close:hover {
  color: #f3f4f6;
  background: #374151;
}

[data-bs-theme="dark"] .preview-loading {
  color: #6b7280;
}

[data-bs-theme="dark"] .preview-loading-spinner {
  border-color: #374151;
  border-top-color: #4dd0e1;
}