/* ─── PDF Mobile Viewer ─────────────────────────────────────────────────── */

.pmv-viewer {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 6px;
  overflow: hidden;
  background: #f4f4f5;
  margin-bottom: 0.75rem;
  font-family: system-ui, -apple-system, sans-serif;
}

/* Toolbar */
.pmv-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #1e1e2e;
  color: #fff;
}

.pmv-page-info {
  flex: 1;
  text-align: center;
  font-size: 0.85rem;
  color: #c9d1d9;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pmv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.pmv-btn:hover,
.pmv-btn:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  outline: none;
}

.pmv-btn:active {
  background: rgba(255, 255, 255, 0.3);
}

.pmv-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Canvas scroll area */
.pmv-canvas-wrap {
  overflow-x: auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  max-height: 80vh;
  /* flex-start so the canvas can grow wider than the container and scroll */
  display: flex;
  justify-content: flex-start;
  background: #525659;
  padding: 12px;
  box-sizing: border-box;
}

.pmv-canvas {
  display: block;
  /* NO max-width / height: auto — those override the zoom by scaling the
     canvas element back down to fit, making zoom appear broken.
     The canvas renders at its natural pixel size; canvasWrap scrolls. */
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
  background: #fff;
}