/* ═══ CcPreview — Standalone SVG Preview Styles ═══════════════════
   No calculator/form styles. Only preview panel, upload zone,
   page navigation, orientation/nup/scale controls, grayscale mode.
   ════════════════════════════════════════════════════════════════ */

/* ── Preview Panel ─────────────────────────────────────── */
.preview-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  align-items: stretch;
  margin-bottom: .6rem;
  padding: .55rem .65rem .65rem;
  background: var(--forest-light, #e8f0e4);
  border: 1.5px solid var(--border, #d0dcc8);
  border-radius: 10px;
}
/* Collapsed state — hides everything except the toggle button itself */
.preview-panel.is-collapsed .preview-wrapper,
.preview-panel.is-collapsed #pdfNavigation,
.preview-panel.is-collapsed .upload-zone,
.preview-panel.is-collapsed .preview-controls {
  display: none;
}
/* When collapsed, shrink the panel to a thin band around the toggle */
.preview-panel.is-collapsed {
  padding: .35rem .65rem;
  margin-bottom: .4rem;
  min-height: 1.6rem;
}
.preview-collapse-btn {
  position: absolute;
  top: .35rem;
  right: .5rem;
  padding: .15rem .4rem;
  font-size: .68rem;
  font-weight: 600;
  background: var(--white, #fff);
  border: 1px solid var(--border, #c8d2c0);
  border-radius: 4px;
  color: var(--text-muted, #7a8a7a);
  cursor: pointer;
  line-height: 1.4;
  transition: background .12s, border-color .12s, color .12s;
  z-index: 2;
}
.preview-collapse-btn:hover {
  background: var(--forest-light, #eef3e8);
  border-color: var(--forest, #4a5533);
  color: var(--forest, #4a5533);
}
.preview-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  position: relative;
}
.preview-svg {
  width: 100%;
  max-width: 520px;
  height: auto;
}
.preview-size-label {
  font-size: .7rem;
  color: var(--text-muted, #7a8a7a);
  font-weight: 600;
  letter-spacing: .03em;
  text-align: center;
}

/* ── Grayscale mode on content ─────────────────────────── */
#leftContent.bw-mode,
#rightContent.bw-mode {
  filter: url(#grayscaleFilter);
}

/* ── Upload Zone ───────────────────────────────────────── */
.upload-zone {
  flex: 1;
  min-width: 180px;
  border: 2px dashed var(--border, #d0dcc8);
  border-radius: 8px;
  background: var(--white, #ffffff);
  transition: border-color 200ms, background 200ms;
  cursor: pointer;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent, #8a4a1a);
  background: var(--accent-light, #fdf2e8);
}
.upload-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: .65rem .8rem;
  text-align: center;
}
.upload-icon {
  color: var(--text-muted, #7a8a7a);
  margin-bottom: .4rem;
}
.upload-text {
  font-size: .82rem;
  color: var(--text-mid, #4a6a4a);
  margin: 0 0 .2rem;
}
.upload-link {
  color: var(--accent, #8a4a1a);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}
.upload-hint {
  font-size: .65rem;
  color: var(--text-muted, #7a8a7a);
  margin: 0;
}
.upload-file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem .85rem;
  gap: .5rem;
}
.upload-filename {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text, #1a2a1a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.upload-remove {
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--text-muted, #7a8a7a);
  cursor: pointer;
  padding: 0 .2rem;
  line-height: 1;
  transition: color 150ms;
}
.upload-remove:hover {
  color: var(--error, #dc2626);
}

/* ── PDF Page Navigation ───────────────────────────────── */
.pdf-nav {
  width: 100%;
  text-align: center;
  margin-top: .5rem;
}
.pdf-nav-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.pdf-nav-btn {
  background: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: .75rem;
  color: #555;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 150ms, color 150ms;
}
.pdf-nav-btn:hover:not(:disabled) {
  border-color: var(--accent, #8a4a1a);
  color: var(--accent, #8a4a1a);
}
.pdf-nav-btn:disabled {
  opacity: .35;
  cursor: default;
}
.pdf-nav-label {
  font-size: .8rem;
  color: #555;
  min-width: 100px;
}
.pdf-page-info {
  font-size: .72rem;
  color: #888;
  margin-top: .25rem;
}
.pdf-loading-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border: 3px solid #e0e0e0;
  border-top-color: var(--accent, #8a4a1a);
  border-radius: 50%;
  animation: ccPreviewSpin .6s linear infinite;
}
@keyframes ccPreviewSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ── Orientation Buttons ───────────────────────────────── */
.orient-btn {
  flex: 1;
  padding: .3rem;
  border: 1.5px solid var(--border, #d0dcc8);
  border-radius: 5px;
  background: var(--white, #fff);
  cursor: pointer;
  font-size: .75rem;
  font-weight: 400;
  color: inherit;
  transition: background 150ms, border-color 150ms;
}
.orient-btn.active {
  background: var(--forest-light, #e8f0e4);
  font-weight: 600;
  border-color: var(--accent, #8a4a1a);
}

/* ── N-up Buttons ──────────────────────────────────────── */
.nup-btn {
  flex: 1;
  padding: .3rem;
  border: 1.5px solid var(--border, #d0dcc8);
  border-radius: 5px;
  background: var(--white, #fff);
  cursor: pointer;
  font-size: .75rem;
  font-weight: 400;
  color: inherit;
  transition: background 150ms, border-color 150ms;
}
.nup-btn.active {
  background: var(--forest-light, #e8f0e4);
  font-weight: 600;
}

/* ── Scale Option ──────────────────────────────────────── */
.scale-option {
  display: flex;
  align-items: center;
  gap: .25rem;
  font-size: .75rem;
  cursor: pointer;
  padding: .3rem .5rem;
  border: 1.5px solid var(--border, #d0dcc8);
  border-radius: 6px;
  flex: 1;
  justify-content: center;
}

/* ── Compact preview-controls bar (relocated from form footer) ── */
.preview-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .9rem;
  padding: .35rem .55rem;
  margin-top: 0;
  background: var(--white, #fff);
  border: 1px solid var(--border, #d0dcc8);
  border-radius: 6px;
  font-size: .72rem;
}
.preview-controls .pc-group {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.preview-controls .pc-label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted, #7a8a7a);
  margin-right: .25rem;
}
.preview-controls .pc-btn {
  padding: .25rem .55rem;
  font-size: .72rem;
  font-weight: 500;
  border: 1px solid var(--border, #c8d2c0);
  border-radius: 4px;
  background: var(--white, #fff);
  color: var(--text, #333);
  cursor: pointer;
  line-height: 1.4;
  transition: background .12s, color .12s, border-color .12s;
  min-width: 32px;
}
.preview-controls .pc-btn:hover {
  border-color: var(--forest, #4a5533);
}
.preview-controls .pc-btn.active {
  background: var(--forest, #4a5533);
  border-color: var(--forest, #4a5533);
  color: var(--white, #fff);
  font-weight: 600;
}
.preview-controls .pc-hint {
  font-size: .68rem;
  color: var(--text-muted, #888);
  font-style: italic;
  margin-left: auto;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 600px) {
  .preview-panel {
    flex-direction: column;
    align-items: center;
  }
  .upload-zone {
    width: 100%;
  }
  .preview-controls {
    gap: .6rem;
  }
}