.editor-grid {
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-rows: auto auto;
  gap: 12px;
  padding: 14px 12px 40px;
  max-width: 1300px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .editor-grid {
    grid-template-columns: 56px 1fr 280px;
    grid-template-rows: 1fr;
    padding: 18px 20px 50px;
  }
}

.tool-rail {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

@media (min-width: 900px) {
  .tool-rail { flex-direction: column; overflow: visible; }
}

.rail-btn { font-size: 17px; flex: 0 0 auto; }
.rail-btn.active { border-color: var(--amber); color: var(--amber); background: rgba(232,163,61,0.08); }

.canvas-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.page-tab {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  white-space: nowrap;
  cursor: pointer;
}
.page-tab.active { color: var(--bg); background: var(--amber); border-color: var(--amber); }

.canvas-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  min-height: 320px;
  touch-action: none;
}

.canvas-wrap canvas { max-width: 100%; }

.canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.context-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  height: fit-content;
}

.context-panel h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 12px;
}

.style-toggle-row { display: flex; gap: 6px; margin-top: 8px; }
.style-toggle-row .btn-icon { font-size: 14px; }

.layer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 6px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
}
.layer-row:hover { background: var(--surface-2); }
.layer-row.selected { background: rgba(79,209,197,0.1); outline: 1px solid var(--teal); }
.layer-row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-row button { background: none; border: none; color: var(--muted); font-size: 13px; padding: 2px 4px; }
.layer-row button:hover { color: var(--text); }

.field-group { margin-bottom: 16px; }
.field-group:last-child { margin-bottom: 0; }