/* Diagram kit (client/diagram-kit.js, views/_diagram.cjs). Owner: the diagram kit. Outline editor tools, the pan and
 * zoom stage, the input check list, export options and the reading version. Borders: 1px hairline. */
#visu-tools .vt-dk-outline { display: grid; gap: 6px; min-width: 0; }
#visu-tools .vt-dk-outline textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; line-height: 1.5; tab-size: 2; white-space: pre; overflow-x: auto; min-height: 220px; }
#visu-tools .vt-dk-tools { display: flex; flex-wrap: wrap; gap: 6px; }
#visu-tools .vt-dk-tool { display: inline-flex; align-items: center; gap: 4px; min-height: 34px; padding: 4px 10px; border: 1px solid var(--vt-line); border-radius: 9px; background: #fff; color: inherit; font: inherit; font-size: 13px; cursor: pointer; }
#visu-tools .vt-dk-tool:hover { border-color: var(--vt-line-2); background: #f6f8fa; }
#visu-tools .vt-dk-tool:focus-visible, #visu-tools .vt-dk-stage:focus-visible { outline: 2px solid #0b6bcb; outline-offset: 2px; }
#visu-tools .vt-dk-stage { position: relative; height: clamp(320px, 62vh, 580px); border: 1px solid var(--vt-line); border-radius: 14px; background: #f6f8fa; overflow: hidden; touch-action: pan-y; cursor: grab; user-select: none; -webkit-user-select: none; }
#visu-tools .vt-dk-stage.vt-dk-zoomed { touch-action: none; }
#visu-tools .vt-dk-stage:active { cursor: grabbing; }
#visu-tools .vt-dk-canvas { position: absolute; inset: 0; }
#visu-tools .vt-dk-canvas svg { display: block; width: 100%; height: 100%; }
#visu-tools .vt-dk-empty { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: 24px; text-align: center; color: var(--vt-muted); }
#visu-tools .vt-dk-zoom { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
#visu-tools .vt-dk-zb { min-width: 40px; min-height: 36px; padding: 4px 10px; }
#visu-tools .vt-dk-zhint { margin: 0 0 0 4px; }
#visu-tools .vt-dk-issues { margin: 12px 0 0; padding: 12px 14px; border: 1px solid #f0c9a8; border-radius: 12px; background: #fff8f1; }
#visu-tools .vt-dk-issues-h { margin: 0 0 6px; font-weight: 700; }
#visu-tools .vt-dk-issue-list { margin: 0; padding-left: 18px; display: grid; gap: 4px; }
#visu-tools .vt-dk-issue-list li { overflow-wrap: anywhere; }
#visu-tools .vt-dk-export { display: grid; gap: 10px; margin-top: 14px; min-width: 0; }
#visu-tools .vt-dk-print-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px 12px; align-items: end; min-width: 0; }
#visu-tools .vt-dk-print-opts .vt-pk-sheet { grid-column: 1 / -1; }
#visu-tools .vt-dk-printinfo .vt-dk-small { color: #9a3412; }
#visu-tools .vt-btn[data-dk-off="true"] { opacity: .55; }
#visu-tools .vt-dk-reading { margin-top: 14px; padding: 10px 14px; border: 1px solid var(--vt-line); border-radius: 12px; background: #fff; }
#visu-tools .vt-dk-reading summary { cursor: pointer; font-weight: 700; }
#visu-tools .vt-dk-reading-body { max-height: 360px; overflow: auto; overflow-wrap: anywhere; }
#visu-tools .vt-dk-reading-body ul, #visu-tools .vt-dk-reading-body ol { margin: 4px 0; padding-left: 20px; }
#visu-tools .vt-dk-reading-body li { margin: 2px 0; }
@media (max-width: 600px) {
  #visu-tools .vt-dk-stage { height: clamp(300px, 56vh, 460px); }
  #visu-tools .vt-dk-tool { padding: 4px 8px; }
}