.pdf-editor-body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.editor-header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  text-align: left;
}

.editor-header .subtitle { text-align: left; }
.editor-nav { padding-top: 4px; }

.editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* --- Dropzone --- */

.dropzone {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.dropzone-inner {
  max-width: 460px;
  width: 100%;
  text-align: center;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 48px 32px;
  background: var(--color-surface);
}

.dropzone.dragover .dropzone-inner {
  border-color: var(--color-primary);
  background: var(--color-bg);
}

.dropzone-icon { font-size: 2.5rem; margin: 0 0 8px; }
.dropzone-inner h2 { margin: 0 0 8px; font-size: 1.3rem; }
.dropzone-hint { color: var(--color-muted); font-size: 0.9rem; margin: 0 0 20px; }

/* --- Shell / toolbar --- */

.editor-shell {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-right: 10px;
  border-right: 1px solid var(--color-border);
}

.toolbar-group:last-child { border-right: none; }
.toolbar-group-spacer { margin-left: auto; }

.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 52px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font-size: 1rem;
}

.tool-btn span { font-size: 0.62rem; font-weight: 600; color: var(--color-muted); }

.tool-btn:hover { background: var(--color-bg); }

.tool-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
}
.tool-btn[aria-pressed="true"] span { color: #fff; }

.tool-btn.small { min-width: 28px; padding: 6px; font-weight: 700; }

.zoom-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  min-width: 44px;
  text-align: center;
}

/* --- Body layout --- */

.editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

.property-panel {
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 16px;
  overflow-y: auto;
}

.property-hint {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.property-panel h3 {
  margin: 0 0 12px;
  font-size: 0.9rem;
}

.property-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.property-row label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.property-row input[type="color"] {
  width: 100%;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 2px;
  background: var(--color-bg);
}

.property-row input[type="range"],
.property-row input[type="number"],
.property-row select {
  width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.85rem;
}

.property-toggle-row {
  display: flex;
  gap: 6px;
}

.property-toggle-row .tool-btn { flex: 1; min-width: 0; }

.property-note {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 10px;
  line-height: 1.4;
}

.pages-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--color-bg);
}

.page-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 10px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.85rem;
  font-weight: 600;
}

.pages-scroll {
  flex: 1;
  overflow: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* --- Page + layers --- */

.page-wrap {
  position: relative;
  background: #fff;
  box-shadow: var(--shadow);
}

.page-wrap canvas {
  display: block;
}

.cover-layer,
.text-layer,
.annot-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  line-height: 1;
  transform-origin: 0 0;
}

.cover-layer {
  pointer-events: none;
}

.text-cover {
  position: absolute;
  /* Always white, independent of app theme — this masks the original
     PDF page glyphs, which are rendered on a white canvas regardless of
     whether the app UI is in light or dark mode. */
  background: #ffffff;
}

.text-layer {
  pointer-events: none;
  color: transparent;
}

.text-layer span {
  color: transparent;
  position: absolute;
  white-space: pre;
  transform-origin: 0% 0%;
  cursor: text;
}

.text-layer.tool-active {
  pointer-events: auto;
}

.text-layer.tool-active span:hover {
  outline: 1px dashed rgba(79, 70, 229, 0.6);
  background: rgba(79, 70, 229, 0.08);
}

/* Persists after the edit is committed (span no longer focused), so the
   live preview keeps showing the replacement text — matching the exported
   PDF — instead of reverting to invisible/transparent. */
.text-layer span.span-edited {
  cursor: text;
}

.text-layer span.span-editing {
  outline: 2px solid var(--color-primary);
  background: rgba(79, 70, 229, 0.08);
}

.text-layer span.span-edited::after {
  content: "";
}

.annot-layer {
  pointer-events: none;
}

.annot-layer.tool-active {
  pointer-events: auto;
  cursor: crosshair;
}

.annot-layer.select-active {
  pointer-events: auto;
}

.annot {
  position: absolute;
  box-sizing: border-box;
}

.annot.selected {
  outline: 1.5px dashed var(--color-primary);
}

.annot-text {
  outline: 1px dashed transparent;
  padding: 2px;
  cursor: move;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
}
.annot-text:hover { outline-color: rgba(79, 70, 229, 0.4); }
.annot-text[contenteditable="true"]:focus {
  outline: 1.5px solid var(--color-primary);
  cursor: text;
  background: rgba(255,255,255,0.6);
}

.annot-image { cursor: move; }
.annot-image img { width: 100%; height: 100%; display: block; pointer-events: none; }

.annot-shape { cursor: move; }

.annot-comment {
  cursor: move;
  width: 22px;
  height: 22px;
  border-radius: 50% 50% 50% 4px;
  background: #fbbf24;
  color: #1c1f26;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: var(--shadow);
}

.comment-popup {
  position: absolute;
  top: 24px;
  left: 0;
  width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
  z-index: 30;
  cursor: default;
}

.comment-popup textarea {
  width: 100%;
  font-size: 0.8rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px;
  resize: vertical;
  background: var(--color-bg);
  color: var(--color-text);
}

.resize-handle {
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #fff;
  cursor: nwse-resize;
}

.annot-remove {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-danger);
  color: #fff;
  border: none;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 100;
  box-shadow: var(--shadow);
}

@media (max-width: 800px) {
  /* Stack the property panel above the page instead of hiding it outright —
     it's the only place font/color/style controls live, so on a narrow
     viewport (a phone, or an embedded preview pane) losing it silently
     would make those controls unreachable rather than just re-flowed. */
  .editor-body { flex-direction: column; }
  .property-panel {
    width: auto;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .toolbar { gap: 4px; }
  .tool-btn { min-width: 42px; padding: 5px 4px; }
}