/* ── pps-* PDF Page Selector (append pages) ─────────────────────────────────── */
.pps-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pps-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.pps-cancel {
  padding: 6px 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-mid);
  font-size: var(--fs-12);
  cursor: pointer;
}
.pps-title {
  flex: 1;
  font-size: var(--fs-12);
  color: var(--ink-mid);
  text-align: center;
}
.pps-sel-all {
  padding: 6px 10px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-mid);
  font-size: var(--fs-12);
  cursor: pointer;
}
.pps-add {
  padding: 6px 14px;
  border-radius: var(--radius-lg);
  border: none;
  background: var(--accent);
  color: var(--bg);
  font-size: var(--fs-12);
  font-weight: 600;
  cursor: pointer;
}
.pps-add:disabled { opacity: 0.35; cursor: default; }
.pps-grid {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  align-content: flex-start;
}
.pps-thumb {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  background: var(--surface2);
  cursor: pointer;
  transition: border-color 0.12s;
}
.pps-thumb-selected { border-color: var(--accent); }
.pps-thumb-img {
  display: block;
  max-width: 160px;
  max-height: 220px;
  border-radius: var(--radius-md);
  object-fit: contain;
}
.pps-page-num { font-size: var(--fs-12); color: var(--ink-mid); }
.pps-check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: var(--fs-12);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}