/* Shared semantic colors: applies equally to static pages and dynamically created UI. */
:root, :root[data-theme="dark"], #designer .toolbar {
  color-scheme: dark;
  --page: #101722;
  --surface: #161f2d;
  --surface-raised: #1d2a3c;
  --surface-hover: #293c56;
  --surface-glass: #172233f5;
  --text: #e6edf7;
  --text-secondary: #b8c9df;
  --text-muted: #96abc7;
  --accent: #2865cf;
  --accent-text: #91bbff;
  --on-accent: #fff;
  --border: #34435a;
  --border-strong: #6685ac;
  --focus: #83b5ff;
  --danger-text: #ffb6bf;
  --danger-surface: #48232e;
  --danger-border: #b15d70;
  --success-text: #64dfa7;
  --overlay: #060b13b8;
  --canvas: #111b29;
  --grid: #34435a;
  --node: #1d2a3c;
  --container: #31517c22;
  --container-border: #668bc0;
  --scroll-thumb: #506783;
  --scroll-thumb-hover: #7394bc;
  --scroll-thumb-active: #83b5ff;
  --resource-help-color: var(--text-muted);
}
:root[data-editor-theme="light"] #designer {
  color-scheme: light;
  --page: #f4f7fb;
  --surface: #ffffff;
  --surface-raised: #edf2f8;
  --surface-hover: #dce8f8;
  --surface-glass: #fffffff5;
  --text: #172940;
  --text-secondary: #364d69;
  --text-muted: #526680;
  --accent: #245fc7;
  --accent-text: #235eac;
  --border: #c6d2e1;
  --border-strong: #8199b8;
  --focus: #2563eb;
  --danger-text: #a62742;
  --danger-surface: #fce7ec;
  --danger-border: #cc778b;
  --success-text: #137346;
  --overlay: #17294070;
  --canvas: #f7f9fc;
  --grid: #cad6e5;
  --node: #ffffff;
  --container: #3677c70a;
  --container-border: #6c91bb;
  --scroll-thumb: #97aac2;
  --scroll-thumb-hover: #6f87a7;
  --scroll-thumb-active: #245fc7;
  --resource-help-color: var(--text-muted);
}
#designer, #designer .toolbar { color: var(--text); }
body { background: var(--page); color: var(--text); }
a { color: var(--accent-text); }
button, input, textarea, select { font: inherit; }
select { color: var(--text); background: var(--surface); border-color: var(--border); }
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 1; }
:where(button, a, input, textarea, select, summary):focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.canvas-wrap { background-color: var(--canvas); background-image: radial-gradient(var(--grid) 1px, transparent 1px); }
.world .node { background: var(--node); color: var(--text); }
.world .container-node { background: var(--container); border-color: var(--container-border); }
.connection-label rect { fill: var(--page); }
/* Labels remain legible on light paper without changing the user's line/arrow color. */
.connection-label text { fill: var(--text); }
.btn.primary, .btn.primary:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.theme-toggle { display: grid; place-items: center; flex: 0 0 32px; width: 32px; height: 32px; padding: 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-raised); color: var(--text); cursor: pointer; }
.theme-toggle:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.theme-toggle svg { width: 18px; height: 18px; pointer-events: none; }
body:not(:has(#designer)), body:not(:has(#designer)) > main { overflow: auto; }
@media (max-width: 760px) {
  .projects-header, .projects-user { flex-wrap: wrap; gap: 10px; }
  .toolbar { flex-wrap: wrap; }
  #designer .shell { grid-template-rows: auto 36px minmax(0, 1fr); }
}
@media (forced-colors: active) {
  .node, .container-node, .canvas-wrap { background: Canvas; color: CanvasText; }
  .connection-label text { fill: CanvasText; }
  .connection-label rect { fill: Canvas; }
}