.subtitle { font-size: 12px; color: var(--ink-light); font-weight: 300; letter-spacing: 0.1em; border-left: 2px solid var(--accent); padding-left: 10px; }
.panel-header { padding:10px 16px; border-bottom:1px solid var(--border); background:var(--bg); display:flex; justify-content:space-between; align-items:center; gap:12px; }
.panel-label { font-size:10px; letter-spacing:.2em; color:var(--ink-light); text-transform:uppercase; }
.panel-body { padding:18px; }
.hidden { display:none!important; }
.page-select-grid {
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap:12px;
}
.page-card {
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  min-height:190px;
  padding:12px 10px;
  cursor:pointer;
  transition:border-color .15s, background .15s, box-shadow .15s, color .15s;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  user-select:none;
}
.page-card:hover { border-color:var(--blue); background:var(--blue-light); }
.page-card.selected { border-color:var(--blue); background:var(--blue-light); box-shadow:inset 0 0 0 1px var(--blue); }
.page-card-num { color:var(--ink); font-size:18px; font-weight:700; line-height:1; }
.page-card-label { color:var(--ink-light); font-size:11px; font-weight:500; }
.page-card.selected .page-card-num,
.page-card.selected .page-card-label { color:var(--blue); }
.page-thumb-wrap {
  width:100%;
  height:112px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#F8F9FA;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  margin:8px 0 6px;
}
.page-thumb-wrap canvas {
  max-width:100%;
  max-height:100%;
  display:block;
  background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.12);
}
.page-thumb-loading { color:var(--ink-light); font-size:11px; }
.select-actions {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.select-actions .small-btn {
  width:100%;
  min-height:42px;
  border-radius:8px;
  font-size:13px;
  font-weight:700;
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
  transition:background .15s, border-color .15s, color .15s, transform .15s;
}
.select-actions .small-btn:hover {
  border-color:var(--blue);
  background:var(--blue-light);
  color:var(--blue);
}
.split-action-bar {
  display:grid;
  gap:12px;
}
.split-action-bar .apply-btn,
.split-action-bar .download-btn {
  width:100%;
  box-sizing:border-box;
  margin:0;
}
.split-action-bar .download-btn {
  margin-top:2px;
}
@media(max-width:520px){
  .select-actions{grid-template-columns:1fr;}
}
.tool-note { font-size:12px; color:var(--ink-light); line-height:1.7; }
.notice { font-size:12px; color:var(--ink-light); line-height:1.8; margin-top:10px; white-space:pre-wrap; }
.field-label{display:block;margin-bottom:6px;font-size:11px;font-weight:600;color:var(--ink-light);letter-spacing:.06em}
.readable-input{width:100%;background:#fff;color:var(--ink);border:1px solid var(--border);border-radius:0;font-family:"Noto Sans JP",Consolas,"Courier New",monospace;font-size:14px;font-weight:400;line-height:1.75;letter-spacing:0;box-sizing:border-box;min-height:44px;padding:10px 14px}
.readable-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.08)}
.option-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);line-height:1.7;margin:8px 0}