/* ==========================================
   ADMIN PANEL - Preview & Compare
   Image preview, document comparison
   ========================================== */

.compare-header {
  background: var(--bp-surface-elevated);
  padding: 6px 10px;
  font-size: 12px;
  border-bottom: 1px solid var(--bp-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.compare-header span {
  color: var(--bp-text-muted);
}

.compare-body {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.compare-body-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 18px 40px rgba(0,0,0,0.5);
  border-radius: 10px;
}

.clean-frame {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 10px;
  background: white;
}

/* Preview Navigation */
.preview-nav {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  padding: 0 4px;
}

.preview-nav button {
  pointer-events: auto;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--bp-border-subtle);
  background: var(--bp-surface-elevated);
  color: var(--bp-text);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.preview-nav button:hover:not(:disabled) {
  border-color: var(--bp-primary);
  color: var(--bp-primary);
}

.preview-nav button:disabled {
  opacity: 0.35;
  cursor: default;
}

.preview-nav span {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bp-surface-elevated);
  border: 1px solid var(--bp-border-subtle);
}

/* Preview Thumbnails */
.preview-thumbnails {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 4px;
  overflow-y: auto;
  align-items: center;
}

.preview-thumb {
  min-width: 90px;
  width: 90px;
  height: 70px;
  border-radius: 8px;
  border: 2px solid rgba(148,163,184,0.25);
  background: rgba(15,23,42,0.5);
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.preview-thumb:hover {
  border-color: var(--bp-accent);
}

.preview-thumb.active {
  border-color: var(--bp-accent);
  border-width: 3px;
}

.preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-size: 9px;
  padding: 2px;
  background: rgba(0,0,0,0.8);
  color: white;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Light Mode */
[data-theme="light"] .compare-header {
  background: var(--bp-primary-soft);
  border-bottom: 1px solid var(--bp-primary);
}

[data-theme="light"] .compare-header span {
  color: var(--bp-primary);
  font-weight: 600;
}

[data-theme="light"] .preview-img {
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.15);
}

[data-theme="light"] .preview-nav button {
  border: 2px solid var(--bp-primary);
  background: var(--bp-surface);
  color: var(--bp-primary);
  font-weight: 700;
}

[data-theme="light"] .preview-nav button:hover:not(:disabled) {
  background: var(--bp-primary);
  color: white;
}

[data-theme="light"] .preview-nav span {
  background: var(--bp-surface);
  border: 1px solid var(--bp-primary);
  color: var(--bp-primary);
}

[data-theme="light"] .preview-thumb {
  background: var(--bp-bg);
  border-color: var(--bp-border);
}

[data-theme="light"] .preview-thumb:hover,
[data-theme="light"] .preview-thumb.active {
  border-color: var(--bp-primary);
}