:root {
  color-scheme: light;
  --ad18-chrome-0: #f7f9fb;
  --ad18-chrome-1: #e8edf2;
  --ad18-chrome-2: #d7dee7;
  --ad18-border: #aebbc8;
  --ad18-border-soft: #cbd4de;
  --ad18-ink: #1f2d3a;
  --ad18-muted: #68798a;
  --ad18-blue: #1d4f79;
  --ad18-blue-strong: #153d5d;
  --ad18-gold: #c99a37;
  --ad18-stage: #1f2933;
  --ad18-stage-line: rgba(145, 172, 195, 0.14);
  --ad18-danger: #9d3f34;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; }
body {
  margin: 0;
  overflow: hidden;
  background: var(--ad18-chrome-2);
  color: var(--ad18-ink);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 13px;
}
button { font: inherit; }
button:focus-visible { outline: 2px solid var(--ad18-gold); outline-offset: 1px; }

.ad18-app {
  height: 100vh;
  min-width: 1080px;
  display: flex;
  flex-direction: column;
  background: var(--ad18-chrome-1);
}
.ad18-boot { padding: 40px; color: var(--ad18-muted); }

.ad18-titlebar {
  min-height: 58px;
  padding: 9px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(180deg, #fbfcfd 0%, #e7edf3 100%);
  border-bottom: 1px solid var(--ad18-border);
}
.ad18-brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.ad18-brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 3px;
  background: linear-gradient(145deg, #1d4f79 0%, #102b42 100%);
  border: 1px solid #0d2538;
  color: #f6d58a;
  display: grid;
  place-items: center;
  font: 700 18px/1 Georgia, serif;
  letter-spacing: 0.5px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.22);
}
.ad18-brand-text { min-width: 0; }
.ad18-product-name { margin: 0; font: 600 17px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif; letter-spacing: 0.1px; }
.ad18-product-subtitle { margin: 2px 0 0; color: var(--ad18-muted); font-size: 11px; white-space: nowrap; }
.ad18-chips { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.ad18-chip {
  border: 1px solid var(--ad18-border-soft);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--ad18-muted);
  padding: 3px 8px;
  font-size: 11px;
  white-space: nowrap;
}
.ad18-chip-mono { font-family: "Cascadia Mono", Consolas, monospace; }
.ad18-scaffold-badge {
  border: 1px solid #c7a14b;
  background: #fbf0d2;
  color: #6e5316;
  border-radius: 3px;
  padding: 3px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.ad18-menubar {
  height: 30px;
  padding: 0 8px;
  display: flex;
  align-items: stretch;
  gap: 0;
  background: #f3f6f9;
  border-bottom: 1px solid var(--ad18-border-soft);
  position: relative;
  z-index: 5;
}
.ad18-menu {
  border: 0;
  background: transparent;
  color: #2a3947;
  padding: 0 10px;
  font-size: 12px;
  cursor: pointer;
}
.ad18-menu:hover, .ad18-menu.is-open { background: #dce7f2; }
.ad18-menu:first-child { color: var(--ad18-blue); font-weight: 700; letter-spacing: 0.4px; }

.ad18-ribbon {
  min-height: 78px;
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 6px 12px 4px;
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 72%, #e4ebf2 100%);
  border-bottom: 1px solid var(--ad18-border);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}
.ad18-ribbon-group {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0 0px;
  border-right: 1px solid #d2dbe4;
  min-width: 108px;
}
.ad18-ribbon-group:last-child { border-right: 0; }
.ad18-ribbon-items { display: flex; gap: 1px; align-items: flex-start; }
.ad18-ribbon-button {
  min-width: 33px;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: #263848;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  padding: 2px 0px;
  flex: 0 0 auto;
  font-size: 9px;
}
.ad18-ribbon-button:hover { border-color: #aebfcb; background: #f7fbfe; }
.ad18-ribbon-button.is-primary { background: #e1ebf5; border-color: #aac1d5; }
.ad18-ribbon-button.is-primary:hover { background: #d4e5f2; }
.ad18-ribbon-glyph {
  min-width: 24px;
  height: 20px;
  padding: 0 3px;
  border: 1px solid #a8b8c6;
  border-radius: 2px;
  background: #fdfefe;
  color: var(--ad18-blue);
  display: inline-grid;
  place-items: center;
  font: 700 8.5px/1 "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.3px;
}
.ad18-ribbon-label { font-size: 8.5px; white-space: nowrap; }
.ad18-ribbon-group-label { text-align: center; color: var(--ad18-muted); font-size: 10px; padding-top: 1px; }

.ad18-workspace {
  --ad18-left-width: 274px;
  --ad18-right-width: 300px;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: var(--ad18-left-width) 6px minmax(0, 1fr) 6px var(--ad18-right-width);
  background: var(--ad18-chrome-2);
}
.ad18-app.ad18-hide-left .ad18-workspace { grid-template-columns: 0 0 minmax(0, 1fr) 6px var(--ad18-right-width); }
.ad18-app.ad18-hide-right .ad18-workspace { grid-template-columns: var(--ad18-left-width) 6px minmax(0, 1fr) 0 0; }
.ad18-app.ad18-hide-left.ad18-hide-right .ad18-workspace { grid-template-columns: 0 0 minmax(0, 1fr) 0 0; }
.ad18-app.ad18-hide-left .ad18-left, .ad18-app.ad18-hide-right .ad18-right { display: none; }
.ad18-app.ad18-hide-left .ad18-panel-resizer-left, .ad18-app.ad18-hide-right .ad18-panel-resizer-right { display: none; }
.ad18-panel-resizer {
  position: relative;
  z-index: 6;
  cursor: col-resize;
  touch-action: none;
  background: linear-gradient(90deg, #dde5ec 0%, #eef3f7 50%, #dde5ec 100%);
  border-right: 1px solid #cbd6df;
  border-left: 1px solid #cbd6df;
}
.ad18-panel-resizer::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  width: 2px;
  height: 34px;
  margin-top: -17px;
  border-radius: 1px;
  background: #9aabb9;
}
.ad18-panel-resizer:hover, .ad18-panel-resizer.is-dragging { background: #d7e6f2; }
.ad18-panel-resizer:hover::after, .ad18-panel-resizer.is-dragging::after { background: var(--ad18-blue); }

.ad18-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: #fbfcfd;
  overflow: hidden;
}
.ad18-left { border-right: 1px solid var(--ad18-border); }
.ad18-right { border-left: 1px solid var(--ad18-border); }
.ad18-panel-heading {
  height: 34px;
  flex: 0 0 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px;
  background: linear-gradient(180deg, #eef3f7, #dde6ee);
  border-bottom: 1px solid var(--ad18-border-soft);
}
.ad18-panel-title { font-size: 11px; font-weight: 700; letter-spacing: 0.7px; text-transform: uppercase; }
.ad18-panel-caption { font-size: 9px; color: #8192a1; letter-spacing: 0.6px; }
.ad18-panel-body { flex: 1; min-height: 0; overflow: auto; padding: 10px; }
.ad18-project-card { display: flex; flex-direction: column; gap: 10px; }
.ad18-project-name { font-size: 14px; font-weight: 600; }
.ad18-project-path { color: var(--ad18-muted); font-size: 10px; font-family: "Cascadia Mono", Consolas, monospace; overflow-wrap: anywhere; }
.ad18-panel-section-title { margin-top: 6px; color: #536575; font-size: 10px; font-weight: 700; letter-spacing: 0.7px; text-transform: uppercase; }
.ad18-project-docs { display: flex; flex-direction: column; gap: 3px; }
.ad18-project-doc {
  border: 1px solid transparent;
  background: transparent;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 4px 5px;
  text-align: left;
  cursor: pointer;
  color: var(--ad18-ink);
}
.ad18-project-doc:hover { background: #eef4f9; border-color: #c9d7e3; }
.ad18-project-doc.is-active { background: #e2edf7; border-color: #a7c1d7; }
.ad18-doc-icon {
  width: 23px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid #aebdca;
  border-radius: 2px;
  background: #ffffff;
  color: var(--ad18-blue);
  font: 700 10px/1 "Cascadia Mono", Consolas, monospace;
}
.ad18-project-doc-copy { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.ad18-project-doc-name { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ad18-project-doc-meta { color: #7a8a99; font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-insight-list { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; }
.ad18-insight-list dt { color: var(--ad18-muted); font-size: 11px; }
.ad18-insight-list dd { margin: 0; text-align: right; font-size: 11px; font-family: "Cascadia Mono", Consolas, monospace; color: #324354; }

.ad18-center { min-width: 0; display: flex; flex-direction: column; background: #dce4ec; }
.ad18-doc-tabs {
  min-height: 36px;
  display: flex;
  align-items: flex-end;
  padding: 0 8px;
  gap: 4px;
  background: #d3dde7;
  border-bottom: 1px solid #9dacb9;
  overflow-x: auto;
}
.ad18-doc-tab {
  min-height: 30px;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 3px 3px 0 0;
  background: #e8eef4;
  color: #455969;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  margin-bottom: 0;
  cursor: pointer;
  white-space: nowrap;
}
.ad18-doc-tab:hover { background: #f2f6fa; }
.ad18-doc-tab.is-active { background: #f7f9fb; border-color: #a6b4c1; color: var(--ad18-ink); }
.ad18-doc-tab .ad18-doc-icon { width: 18px; height: 18px; border: 0; background: #e1eaf2; font-size: 9px; }
.ad18-doc-tab-label { font-size: 11px; }
.ad18-center-body { flex: 1; min-height: 0; display: flex; flex-direction: column; padding: 0 12px 10px; }
.ad18-stage-head { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 2px; }
.ad18-stage-kicker { display: block; color: #5f7183; font-size: 9px; font-weight: 700; letter-spacing: 0.9px; }
.ad18-stage-title { margin: 2px 0 0; font-size: 17px; font-weight: 500; }
.ad18-pending-badge { color: #7a5c16; background: #f6e9c8; border: 1px solid #d6bf85; border-radius: 3px; font: 700 9px/1.1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.5px; padding: 4px 7px; white-space: nowrap; }
.ad18-doc-surface {
  position: relative;
  flex: 1;
  min-height: 180px;
  overflow: hidden;
  background: var(--ad18-stage);
  border: 1px solid #0f161d;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
.ad18-stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ad18-stage-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ad18-stage-line) 1px, transparent 1px),
    linear-gradient(rgba(145, 172, 195, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(145, 172, 195, 0.06) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
}
.ad18-doc-surface.is-schematic .ad18-stage-grid { opacity: 0.65; }
.ad18-engineering-note {
  position: relative;
  width: min(560px, calc(100% - 60px));
  margin: clamp(34px, 8vh, 110px) auto;
  padding: 22px 24px;
  border: 1px solid rgba(201, 154, 55, 0.58);
  border-left: 4px solid var(--ad18-gold);
  background: rgba(20, 30, 39, 0.94);
  color: #e7eef5;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}
.ad18-engineering-kicker { color: #e2bd6c; font: 700 9px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 1.2px; }
.ad18-engineering-note h3 { margin: 7px 0 8px; font-size: 18px; font-weight: 500; color: #f4f7fa; }
.ad18-engineering-note p { margin: 6px 0; color: #bac8d4; font-size: 12px; line-height: 1.55; }
.ad18-engineering-note .ad18-engineering-small { color: #8fa1b1; font-size: 11px; }
.ad18-stage-meta {
  min-height: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: #526474;
  font: 10px/1.4 "Cascadia Mono", Consolas, monospace;
  padding: 5px 2px 0;
}
.ad18-property-list { margin: 4px 0 14px; display: grid; grid-template-columns: 1fr auto; gap: 7px 10px; }
.ad18-property-list dt { color: #6c7c8b; font-size: 11px; }
.ad18-property-list dd { margin: 0; color: #263848; font: 11px/1.4 "Cascadia Mono", Consolas, monospace; text-align: right; overflow-wrap: anywhere; }
.ad18-inspector-card { padding: 9px 2px 13px; border-bottom: 1px solid #e4e9ee; margin-bottom: 4px; }
.ad18-inspector-card:last-child { border-bottom: 0; }
.ad18-inspector-kicker { color: #8291a0; font: 9px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.9px; }
.ad18-inspector-name { margin: 5px 0 3px; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.ad18-inspector-caption { margin: 0; color: #7a8a99; font-size: 10px; }
.ad18-edition-line { margin: 5px 0; font-size: 11px; }
.ad18-edition-line.is-muted { color: #7e8d9b; font-family: "Cascadia Mono", Consolas, monospace; font-size: 10px; }

.ad18-statusbar {
  height: 28px;
  flex: 0 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 9px;
  background: #e5ebf1;
  border-top: 1px solid var(--ad18-border);
  color: #4d6070;
  font-size: 10px;
  overflow: hidden;
}
.ad18-status-left, .ad18-status-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.ad18-status-message { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #344a5b; }
.ad18-status-source { color: #8192a0; font: 9px/1 "Cascadia Mono", Consolas, monospace; white-space: nowrap; }
.ad18-status-item { border-left: 1px solid #bdcad5; padding-left: 10px; white-space: nowrap; font: 10px/1 "Cascadia Mono", Consolas, monospace; }
.ad18-status-item:first-child { border-left: 0; padding-left: 0; }
.ad18-status-api { color: var(--ad18-blue); }

.ad18-popup-layer { position: fixed; inset: 0; pointer-events: none; z-index: 30; }
.ad18-menu-popup {
  position: fixed;
  min-width: 205px;
  padding: 4px;
  background: #fbfcfd;
  border: 1px solid #9baab8;
  box-shadow: 0 10px 28px rgba(18, 32, 45, 0.22);
  pointer-events: auto;
}
.ad18-menu-item {
  width: 100%;
  min-height: 25px;
  border: 0;
  background: transparent;
  color: #263848;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 3px 9px;
  cursor: pointer;
  font-size: 12px;
}
.ad18-menu-item:hover:not(:disabled) { background: #e2edf7; }
.ad18-menu-item:disabled { color: #9aa8b4; cursor: default; }
.ad18-menu-shortcut { color: #8a99a6; font: 9px/1 "Cascadia Mono", Consolas, monospace; }
.ad18-menu-divider { height: 1px; margin: 4px 3px; background: #dde4ea; }

.ad18-modal-host { position: fixed; inset: 0; pointer-events: none; z-index: 50; }
.ad18-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 21, 30, 0.44);
  display: grid;
  place-items: center;
  pointer-events: auto;
}
.ad18-modal {
  width: min(510px, calc(100vw - 40px));
  background: #fbfcfd;
  border: 1px solid #94a5b4;
  box-shadow: 0 24px 70px rgba(4, 12, 20, 0.35);
}
.ad18-modal-header { padding: 17px 20px; border-bottom: 1px solid #d7e0e8; background: linear-gradient(180deg, #f9fbfc, #eef3f7); }
.ad18-modal-header h2 { margin: 0; font-size: 18px; font-weight: 600; }
.ad18-modal-header p { margin: 4px 0 0; color: #71808f; font-size: 11px; }
.ad18-modal-body { padding: 14px 20px; color: #3d4f5e; font-size: 12px; line-height: 1.55; }
.ad18-modal-body p { margin: 7px 0; }
.ad18-modal-warning { border-left: 3px solid var(--ad18-gold); background: #fdf8ec; padding: 7px 10px; color: #5e4b20; font-size: 11px; }
.ad18-modal-footer { padding: 11px 20px; border-top: 1px solid #d7e0e8; text-align: right; background: #f5f8fa; }
.ad18-button { border: 1px solid #9daebb; border-radius: 2px; background: #f8fafb; color: #263848; padding: 5px 16px; cursor: pointer; }
.ad18-button:hover { background: #e7f0f8; border-color: #7e97aa; }

.ad18-sch-editor {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #0f161d;
  border-radius: 2px;
  background: #20272d;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
.ad18-sch-toolbar {
  flex: 0 0 34px;
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 11px;
  overflow: hidden;
  color: #b9cad6;
  background: linear-gradient(180deg, #263746 0%, #182530 100%);
  border-bottom: 1px solid #0c141b;
  font: 10px/1.2 "Cascadia Mono", Consolas, monospace;
}
.ad18-sch-doc-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #eef4f8;
  font-weight: 700;
  white-space: nowrap;
}
.ad18-sch-chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: #e1bd67;
  box-shadow: 0 0 0 2px rgba(225, 189, 103, 0.14);
}
.ad18-sch-toolgroup { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.ad18-sch-tool-label { color: #7d92a2; font-size: 9px; letter-spacing: 0.7px; }
.ad18-sch-toolgroup b { color: #dfeaf1; font-weight: 500; }
.ad18-sch-coords { color: #9db1c0; white-space: nowrap; }
.ad18-sch-count { color: #88a0b0; white-space: nowrap; }
.ad18-sch-zoom { margin-left: auto; color: #7e97a8; white-space: nowrap; }
.ad18-sch-canvas-wrap { position: relative; flex: 1; min-height: 0; overflow: hidden; }
.ad18-sch-canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #20272d;
  cursor: crosshair;
  touch-action: none;
}
.ad18-sch-hint {
  position: absolute;
  left: 12px;
  bottom: 10px;
  max-width: calc(100% - 24px);
  padding: 5px 8px;
  color: #d7dfe4;
  background: rgba(24, 37, 46, 0.86);
  border: 1px solid rgba(145, 170, 185, 0.3);
  border-radius: 2px;
  font: 10px/1.35 "Cascadia Mono", Consolas, monospace;
  pointer-events: none;
}

.ad18-drc-overlay {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  width: min(320px, calc(100% - 20px));
  padding: 8px 10px;
  color: #eed9d4;
  background: rgba(19, 25, 31, 0.95);
  border-left: 3px solid #d05a4b;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  font: 10px/1.4 "Cascadia Mono", Consolas, monospace;
  pointer-events: none;
}
.ad18-drc-overlay.is-clean { border-left-color: #54a47c; }
.ad18-drc-overlay[hidden] { display: none; }
.ad18-drc-title { color: #ee9d91; font-size: 10px; font-weight: 700; letter-spacing: 0.7px; }
.ad18-drc-overlay.is-clean .ad18-drc-title { color: #91d2b3; }
.ad18-drc-summary { margin-top: 3px; color: #849aaa; font-size: 9px; }
.ad18-drc-item {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid rgba(197, 153, 143, 0.18);
  color: #e7c5bf;
}
.ad18-drc-more { margin-top: 4px; color: #95a8b5; }

.ad18-component-modal { width: min(640px, calc(100vw - 40px)); }
.ad18-component-intro { margin: 0 0 11px; color: #667887; font-size: 11px; }
.ad18-component-list { display: grid; gap: 7px; max-height: min(360px, 55vh); overflow: auto; padding-right: 2px; }
.ad18-component-option {
  display: grid;
  grid-template-columns: 64px 40px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid #c7d4df;
  border-radius: 2px;
  background: #f8fbfd;
  color: #2a3e4e;
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.ad18-component-option:hover,
.ad18-component-option:focus-visible { background: #eaf3fa; border-color: #7d9bb2; outline: none; }
.ad18-component-prefix {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid #a9bac7;
  background: #edf3f7;
  color: #486174;
  font: 700 12px/1 "Cascadia Mono", Consolas, monospace;
}
.ad18-component-copy { display: grid; gap: 2px; min-width: 0; }
.ad18-component-copy strong { font-size: 12px; font-weight: 600; }
.ad18-component-copy span { color: #71808e; font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ad18-component-meta { display: grid; gap: 2px; justify-items: end; color: #7d8d99; font: 9px/1.35 "Cascadia Mono", Consolas, monospace; white-space: nowrap; }
.ad18-library-thumb {
  width: 62px;
  height: 44px;
  border: 1px solid #c4d2dd;
  background: #fbfdfe;
  padding: 2px;
  box-sizing: border-box;
}
.ad18-library-thumb-symbol line,
.ad18-library-thumb-symbol rect,
.ad18-library-thumb-symbol circle,
.ad18-library-thumb-symbol polyline { stroke: #2f536b; stroke-width: 0.3; fill: none; }
.ad18-library-thumb-symbol .ad18-thumb-pin { stroke: #3c6f91; stroke-width: 0.25; }
.ad18-library-thumb-symbol .ad18-thumb-pin-dot { stroke: none; fill: #3c6f91; }
.ad18-thumb-silk { stroke: #687b85; stroke-width: 0.18; fill: none; }

.ad18-bom-modal { width: min(860px, calc(100vw - 40px)); }
.ad18-bom-metrics {
  display: flex;
  gap: 12px;
  padding: 6px 8px;
  margin: 0 0 9px;
  background: #eef3f7;
  border: 1px solid #d2dde5;
  color: #4c6575;
  font: 10px/1.4 "Cascadia Mono", Consolas, monospace;
}
.ad18-bom-table-wrap { max-height: 280px; overflow: auto; border: 1px solid #cbd7e0; }
.ad18-bom-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.ad18-bom-table th,
.ad18-bom-table td { padding: 5px 8px; border-bottom: 1px solid #dfe7ed; text-align: left; vertical-align: top; }
.ad18-bom-table th { position: sticky; top: 0; background: #e8eff4; color: #405a6b; font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-bom-table td { color: #2f4757; }
.ad18-bom-table tr:nth-child(even) td { background: #f7fafc; }
.ad18-bom-csv-label { display: grid; gap: 4px; margin-top: 10px; color: #6d7d8a; font: 9px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.6px; }
.ad18-activebom-modal { width: min(1080px, calc(100vw - 36px)); }
.ad18-activebom-metrics { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.ad18-activebom-metrics span { padding: 3px 8px; border: 1px solid #c8d6e1; border-radius: 3px; background: #eef5fa; color: #3b5a70; font: 9px/1.4 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.4px; }
.ad18-activebom-table-wrap { max-height: 310px; overflow: auto; border: 1px solid #cbd7e0; }
.ad18-activebom-table { width: 100%; border-collapse: collapse; font-size: 10px; }
.ad18-activebom-table th,
.ad18-activebom-table td { padding: 4px 6px; border-bottom: 1px solid #dfe7ed; text-align: left; vertical-align: top; white-space: nowrap; }
.ad18-activebom-table th { position: sticky; top: 0; background: #e8eff4; color: #405a6b; font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-activebom-table td { color: #2f4757; }
.ad18-activebom-table tr:nth-child(even) td { background: #f7fafc; }
.ad18-activebom-warnings { margin-top: 10px; padding: 8px 10px; border: 1px solid #e1d3a8; background: #fffaf0; color: #6b5723; font: 10px/1.5 "Cascadia Mono", Consolas, monospace; }
.ad18-activebom-warnings strong { display: block; margin-bottom: 4px; letter-spacing: 0.5px; }
.ad18-activebom-warning-row { border-top: 1px dashed #e6d7ab; padding-top: 3px; margin-top: 3px; }
.ad18-bom-csv {
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  border: 1px solid #aebfca;
  border-radius: 2px;
  padding: 7px;
  background: #fbfdfe;
  color: #253b49;
  font: 10px/1.45 "Cascadia Mono", Consolas, monospace;
}
.ad18-bom-empty { color: #71808f; font-size: 11px; }
.ad18-button-primary { border-color: #5f8098; background: #e8f2f9; color: #1f394b; font-weight: 600; }
.ad18-button-primary:hover { background: #d7e9f5; }
.ad18-netlabel-field { display: grid; gap: 5px; margin: 12px 0 8px; }
.ad18-power-select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #aebfca;
  border-radius: 2px;
  padding: 6px 7px;
  background: #fff;
  color: #223947;
  font: 12px/1.2 "Segoe UI", sans-serif;
}
.ad18-netlabel-field span { color: #6d7d8a; font: 9px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.6px; }
.ad18-netlabel-input {
  width: 100%;
  box-sizing: border-box;
  padding: 7px 9px;
  border: 1px solid #9eb0bf;
  border-radius: 2px;
  background: #feffff;
  color: #203646;
  font: 12px/1.3 "Cascadia Mono", Consolas, monospace;
}
.ad18-netlabel-input:focus { outline: 2px solid #8fb7d2; outline-offset: 1px; }
.ad18-netlabel-hint { color: #83909b; font-size: 10px !important; }
.ad18-shortcuts-modal { width: min(520px, calc(100vw - 40px)); }
.ad18-shortcuts-table { display: grid; gap: 8px; margin-top: 10px; }
.ad18-shortcuts-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; align-items: center; color: #405a6b; font: 10px/1.3 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.4px; }
.ad18-shortcuts-row input { width: 100%; }
.ad18-shortcuts-error { margin: 9px 0 0; color: #a13f32; font: 10px/1.4 "Cascadia Mono", Consolas, monospace; }
.ad18-shortcuts-error[hidden] { display: none; }
.ad18-modal-footer .ad18-button + .ad18-button { margin-left: 7px; }
.ad18-pref-modal { width: min(720px, calc(100vw - 40px)); }
.ad18-pref-body { padding: 0; }
.ad18-pref-layout { display: grid; grid-template-columns: 176px minmax(0, 1fr); min-height: 320px; }
.ad18-pref-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 9px;
  border-right: 1px solid #d7e0e8;
  background: #eef3f7;
}
.ad18-pref-nav-button {
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: #344b5c;
  text-align: left;
  padding: 7px 9px;
  font: 11px/1.2 "Segoe UI", sans-serif;
  cursor: pointer;
}
.ad18-pref-nav-button:hover { background: #e2edf5; border-color: #b7cbd9; }
.ad18-pref-nav-button.is-active { background: #d9e8f3; border-color: #9db8ca; color: #17384c; font-weight: 600; }
.ad18-pref-pages { padding: 14px 20px 4px; }
.ad18-pref-page h3 { margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #263e4e; }
.ad18-pref-field { display: grid; gap: 4px; margin: 12px 0; }
.ad18-pref-field-label { color: #536c7d; font-size: 11px; font-weight: 600; }
.ad18-pref-input {
  width: 170px;
  box-sizing: border-box;
  border: 1px solid #aebfca;
  border-radius: 2px;
  padding: 5px 7px;
  background: #fff;
  color: #223947;
  font: 12px/1.2 "Cascadia Mono", Consolas, monospace;
}
.ad18-pref-hint { color: #7a8c98; font-size: 10px; }
.ad18-pref-check { display: flex; align-items: center; gap: 7px; margin: 13px 0; color: #3e5565; font-size: 11px; }
.ad18-pref-check input { accent-color: #4f7892; }
.ad18-pref-note { margin: 8px 0 0; color: #7a8c98; font-size: 10px; line-height: 1.5; }
.ad18-pref-error {
  margin: 4px 0 8px;
  border-left: 3px solid #b34a3f;
  padding: 5px 8px;
  background: #fbeeeb;
  color: #742d26;
  font-size: 11px;
}

.ad18-netlist-modal { width: min(780px, calc(100vw - 40px)); }
.ad18-netlist-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 11px;
  padding: 7px 9px;
  border: 1px solid #d2dde5;
  background: #f4f8fa;
  color: #4d6272;
  font: 9px/1.2 "Cascadia Mono", Consolas, monospace;
}
.ad18-netlist-list { display: grid; gap: 5px; max-height: min(390px, 58vh); overflow: auto; }
.ad18-netlist-row { padding: 7px 9px; border: 1px solid #d5e0e7; background: #fbfdfe; }
.ad18-netlist-row.is-conflict { border-color: #c89287; background: #fff8f5; }
.ad18-netlist-row-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.ad18-netlist-row-head strong { color: #234255; font: 700 11px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-netlist-row-head span { color: #7b8d9a; font: 8px/1.2 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.5px; }
.ad18-netlist-row-detail { margin-top: 3px; color: #677987; font: 9px/1.45 "Cascadia Mono", Consolas, monospace; }
.ad18-netlist-conflict { margin-top: 3px; color: #9b574b; font-size: 9px; }
.ad18-netlist-empty { color: #7b8d99; font-size: 11px; }

.ad18-erc-modal { width: min(720px, calc(100vw - 40px)); }
.ad18-erc-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 11px;
  padding: 7px 9px;
  border: 1px solid #d2dde5;
  background: #f4f8fa;
  color: #4d6272;
  font: 9px/1.2 "Cascadia Mono", Consolas, monospace;
}
.ad18-erc-metrics .is-error { color: #a1483c; }
.ad18-erc-metrics .is-warning { color: #9a6d1f; }
.ad18-erc-list { display: grid; gap: 5px; max-height: min(380px, 56vh); overflow: auto; }
.ad18-erc-row { padding: 7px 9px; border: 1px solid #d5e0e7; border-left-width: 3px; background: #fbfdfe; }
.ad18-erc-row.is-warning { border-left-color: #c49a43; }
.ad18-erc-row.is-error { border-left-color: #b15346; background: #fff9f7; }
.ad18-erc-row-head { display: flex; gap: 9px; align-items: center; }
.ad18-erc-row-head strong { color: #304a5b; font: 700 10px/1.2 "Cascadia Mono", Consolas, monospace; }
.ad18-erc-severity { color: #8c722f; font: 8px/1.2 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.4px; }
.ad18-erc-row.is-error .ad18-erc-severity { color: #9c4c40; }
.ad18-erc-message { margin-top: 3px; color: #5d7080; font-size: 10px; line-height: 1.4; }
.ad18-erc-clean { color: #4e7a64; font-size: 11px; }

.ad18-readonly-banner {
  padding: 6px 16px;
  border-top: 1px solid #bd8d3e;
  border-bottom: 1px solid #bd8d3e;
  background: #fbf3df;
  color: #684d1a;
  font: 600 10px/1.45 "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.15px;
}
.ad18-readonly-banner[hidden] { display: none; }
.ad18-readonly-project .ad18-ribbon { background: #fbf8ef; }
.ad18-platform-io-modal { width: min(860px, calc(100vw - 40px)); }
.ad18-platform-io-label { display: block; margin: 10px 0 4px; color: #627687; font: 9px/1.2 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.5px; }
.ad18-platform-io-text {
  width: 100%;
  min-height: 150px;
  max-height: 30vh;
  box-sizing: border-box;
  resize: vertical;
  padding: 8px 9px;
  border: 1px solid #9fb1bf;
  border-radius: 2px;
  background: #fbfdfe;
  color: #273d4d;
  font: 10px/1.42 "Cascadia Mono", Consolas, monospace;
  white-space: pre;
}
.ad18-platform-io-text[readonly] { background: #f2f6f8; color: #566a78; }
.ad18-platform-io-import { min-height: 150px; }
.ad18-platform-io-text:focus { outline: 2px solid #8fb7d2; outline-offset: 1px; }
.ad18-platform-io-error {
  margin: 8px 0 0 !important;
  padding: 6px 8px;
  border-left: 3px solid #b15346;
  background: #fff7f4;
  color: #8c4438;
  font-size: 10px;
}
.ad18-platform-io-error[hidden] { display: none; }

@media (max-width: 1200px) {
  .ad18-workspace { --ad18-left-width: 232px; --ad18-right-width: 264px; }
}
@media (max-width: 900px) {
  .ad18-app { min-width: 0; }
  .ad18-chips { display: none; }
  .ad18-workspace, .ad18-app.ad18-hide-left .ad18-workspace, .ad18-app.ad18-hide-right .ad18-workspace, .ad18-app.ad18-hide-left.ad18-hide-right .ad18-workspace { grid-template-columns: minmax(0, 1fr); }
  .ad18-left, .ad18-right, .ad18-panel-resizer { display: none; }
  .ad18-ribbon { overflow-x: auto; }
}

.ad18-interactive-badge {
  color: #155c45;
  background: #d9f1e5;
  border: 1px solid #89c7ae;
  border-radius: 3px;
  font: 700 9px/1.1 "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.5px;
  padding: 4px 7px;
  white-space: nowrap;
}
.ad18-pcb-editor {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #0f161d;
  border-radius: 2px;
  background: #0e161e;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
.ad18-pcb-toolbar {
  flex: 0 0 34px;
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 11px;
  overflow: hidden;
  color: #b9cad6;
  background: linear-gradient(180deg, #23323e 0%, #172430 100%);
  border-bottom: 1px solid #0c141b;
  font: 10px/1.2 "Cascadia Mono", Consolas, monospace;
}
.ad18-pcb-doc-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #eef4f8;
  font-weight: 700;
  white-space: nowrap;
}
.ad18-pcb-chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7fc3a1;
  box-shadow: 0 0 0 2px rgba(127, 195, 161, 0.15);
}
.ad18-pcb-toolgroup { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.ad18-pcb-tool-label { color: #758b9b; font-size: 9px; letter-spacing: 0.7px; }
.ad18-pcb-layer-value { display: inline-flex; align-items: center; gap: 5px; color: #dfeaf1; }
.ad18-pcb-layer-value b { font-weight: 500; }
.ad18-pcb-layer-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.ad18-pcb-coords { color: #9db1c0; white-space: nowrap; }
.ad18-pcb-count { color: #88a0b0; white-space: nowrap; }
.ad18-pcb-zoom { margin-left: auto; color: #7e97a8; white-space: nowrap; }
.ad18-pcb-canvas-wrap { position: relative; flex: 1; min-height: 0; overflow: hidden; }
.ad18-pcb-canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #0e161e;
  cursor: crosshair;
  touch-action: none;
}
.ad18-pcb-hint {
  position: absolute;
  left: 12px;
  bottom: 10px;
  max-width: calc(100% - 24px);
  padding: 5px 8px;
  color: #b9cad5;
  background: rgba(12, 23, 31, 0.82);
  border: 1px solid rgba(125, 155, 175, 0.25);
  border-radius: 2px;
  font: 10px/1.35 "Cascadia Mono", Consolas, monospace;
  pointer-events: none;
}
.ad18-pcb-layer-tabs {
  display: flex;
  gap: 2px;
  padding: 4px 7px;
  background: #121e27;
  border-top: 1px solid #344854;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  flex: 0 0 auto;
}
.ad18-pcb-layer-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  min-height: 22px;
  padding: 2px 7px;
  border: 1px solid #405664;
  border-radius: 2px;
  background: #1b2b37;
  color: #b3c5d2;
  font: 10px/1 "Cascadia Mono", Consolas, monospace;
  cursor: pointer;
}
.ad18-pcb-layer-tab:hover { background: #263b49; border-color: #5c7687; }
.ad18-pcb-layer-tab.is-active {
  background: #e8f1f7;
  border-color: #9fb8c8;
  color: #1e3748;
}
.ad18-pcb-layer-tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.35);
}


/* Dark theme: partial shell coverage; canvas paper stays light by design. */
.ad18-app[data-ad18-theme="dark"] {
  color-scheme: dark;
  --ad18-chrome-0: #11171d;
  --ad18-chrome-1: #182028;
  --ad18-chrome-2: #0d1217;
  --ad18-border: #3a4855;
  --ad18-border-soft: #2a3540;
  --ad18-ink: #dce7f1;
  --ad18-muted: #97a8b7;
  --ad18-blue: #74b9e8;
  --ad18-blue-strong: #9ed2f5;
  --ad18-gold: #d8b25c;
  --ad18-stage: #0a1015;
  --ad18-stage-line: rgba(133, 165, 191, 0.14);
}
.ad18-app[data-ad18-theme="dark"] .ad18-titlebar,
.ad18-app[data-ad18-theme="dark"] .ad18-menubar,
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon,
.ad18-app[data-ad18-theme="dark"] .ad18-statusbar { background: #141c23; color: #dce7f1; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-titlebar { border-bottom: 1px solid #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-product-name { color: #e7f0f8; }
.ad18-app[data-ad18-theme="dark"] .ad18-product-subtitle,
.ad18-app[data-ad18-theme="dark"] .ad18-brand-text { color: #97a8b7; }
.ad18-app[data-ad18-theme="dark"] .ad18-menu { color: #cbd8e3; }
.ad18-app[data-ad18-theme="dark"] .ad18-menu:hover,
.ad18-app[data-ad18-theme="dark"] .ad18-menu[aria-expanded="true"] { background: #26323d; }
.ad18-app[data-ad18-theme="dark"] .ad18-menu-popup { background: #1b252e; border-color: #3a4855; color: #dce7f1; box-shadow: 0 10px 24px rgba(0,0,0,.45); }
.ad18-app[data-ad18-theme="dark"] .ad18-menu-item { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-menu-item:hover { background: #2a3945; }
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon-button { background: #1c2731; border-color: #3a4855; color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon-button:hover { background: #2a3b48; border-color: #5a748a; }
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon-button.is-primary { background: #233646; border-color: #4a6a82; }
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon-glyph { color: #a9cde8; }
.ad18-app[data-ad18-theme="dark"] .ad18-ribbon-group-label { color: #8fa2b2; }
.ad18-app[data-ad18-theme="dark"] .ad18-panel { background: #151d24; color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-panel-heading { background: #1b252e; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-center { background: #10161b; }
.ad18-app[data-ad18-theme="dark"] .ad18-center-body { background: #10161b; }
.ad18-app[data-ad18-theme="dark"] .ad18-doc-tabs { background: #141c23; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-doc-tab { background: #1b252e; border-color: #35424e; color: #b9c8d4; }
.ad18-app[data-ad18-theme="dark"] .ad18-doc-tab.is-active { background: #25333e; color: #ecf4fa; }
.ad18-app[data-ad18-theme="dark"] .ad18-stage-head { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-panel-resizer { background: linear-gradient(90deg,#25323d 0%,#33424e 50%,#25323d 100%); border-color: #3a4855; }
.ad18-app[data-ad18-theme="dark"] .ad18-modal { background: #151d24; color: #dce7f1; border-color: #3a4855; }
.ad18-app[data-ad18-theme="dark"] .ad18-modal-header,
.ad18-app[data-ad18-theme="dark"] .ad18-modal-footer { background: #1b252e; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-modal-body { background: #151d24; }
.ad18-app[data-ad18-theme="dark"] .ad18-modal h2 { color: #e7f0f8; }
.ad18-app[data-ad18-theme="dark"] .ad18-bom-table,
.ad18-app[data-ad18-theme="dark"] .ad18-activebom-table { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-bom-table th,
.ad18-app[data-ad18-theme="dark"] .ad18-activebom-table th { background: #24313c; color: #b9cde0; }
.ad18-app[data-ad18-theme="dark"] .ad18-bom-table td,
.ad18-app[data-ad18-theme="dark"] .ad18-activebom-table td { color: #cbd8e3; border-color: #2f3c47; }
.ad18-app[data-ad18-theme="dark"] .ad18-bom-table tr:nth-child(even) td,
.ad18-app[data-ad18-theme="dark"] .ad18-activebom-table tr:nth-child(even) td { background: #1b252e; }
.ad18-app[data-ad18-theme="dark"] .ad18-netlist-row { background: #1b252e; border-color: #35424e; color: #cbd8e3; }
.ad18-app[data-ad18-theme="dark"] .ad18-netlist-row-detail { color: #9fb2c2; }
.ad18-app[data-ad18-theme="dark"] .ad18-bom-csv { background: #10171d; color: #dce7f1; border-color: #3a4855; }

.ad18-app[data-ad18-theme="dark"] .ad18-insight-list dt,
.ad18-app[data-ad18-theme="dark"] .ad18-property-list dt { color: #97a8b7; }
.ad18-app[data-ad18-theme="dark"] .ad18-insight-list dd,
.ad18-app[data-ad18-theme="dark"] .ad18-property-list dd { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-project-doc { background: #1b252e; border-color: #35424e; color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-project-doc:hover { background: #26333e; border-color: #4a5b6a; }
.ad18-app[data-ad18-theme="dark"] .ad18-project-doc.is-active { background: #2a3d4d; border-color: #5c7d96; }
.ad18-app[data-ad18-theme="dark"] .ad18-project-doc-meta { color: #93a5b4; }
.ad18-app[data-ad18-theme="dark"] .ad18-stage-kicker,
.ad18-app[data-ad18-theme="dark"] .ad18-panel-caption { color: #8fa2b2; }
.ad18-app[data-ad18-theme="dark"] .ad18-stage-title { color: #e7f0f8; }
.ad18-app[data-ad18-theme="dark"] .ad18-panel-title { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-panel-body { color: #cbd8e3; }
.ad18-app[data-ad18-theme="dark"] .ad18-stage-meta { color: #b7c7d4; border-color: #35424e; }

.ad18-checkpoints-modal { width: min(680px, calc(100vw - 40px)); }
.ad18-checkpoints-save { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.ad18-checkpoints-list { display: grid; gap: 6px; max-height: 300px; overflow: auto; }
.ad18-checkpoint-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 9px; border: 1px solid #d3dee7; background: #f8fbfd; }
.ad18-checkpoint-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ad18-checkpoint-copy strong { font-size: 12px; color: #2c4252; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ad18-checkpoint-copy span { color: #748696; font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-checkpoint-actions { display: flex; gap: 5px; flex: 0 0 auto; }
.ad18-checkpoint-actions .ad18-button { padding: 4px 8px; font-size: 10px; }
.ad18-app[data-ad18-theme="dark"] .ad18-checkpoint-row { background: #1b252e; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-checkpoint-copy strong { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-checkpoint-copy span { color: #93a5b4; }

.ad18-supply-modal { width: min(1100px, calc(100vw - 44px)); }
.ad18-supply-table { min-width: 900px; }
.ad18-supply-detail-row td { background: #f3f8fc !important; color: #4d6375; font: 9px/1.4 "Cascadia Mono", Consolas, monospace; }
.ad18-supply-form { display: grid; grid-template-columns: minmax(160px, 1.4fr) repeat(6, minmax(90px, 1fr)) auto; gap: 6px; align-items: center; margin-top: 10px; }
.ad18-supply-form .ad18-netlabel-input { min-height: 28px; font-size: 11px; }
.ad18-app[data-ad18-theme="dark"] .ad18-supply-detail-row td { background: #1b252e !important; color: #a9bdcb; }

.ad18-compiled-modal { width: min(1100px, calc(100vw - 44px)); }
.ad18-compiled-query-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.ad18-compiled-match { color: #6b7f90; font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.ad18-compiled-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; min-height: 200px; }
.ad18-compiled-pane { border: 1px solid #d3dee7; background: #f8fbfd; padding: 7px; min-height: 0; }
.ad18-compiled-pane h3 { margin: 0 0 5px; font-size: 11px; color: #4a6173; }
.ad18-compiled-list { display: grid; gap: 4px; max-height: 260px; overflow: auto; }
.ad18-compiled-row { display: grid; grid-template-columns: auto 1fr; gap: 1px 8px; padding: 4px 6px; background: #fdfefe; border: 1px solid #e1e9ef; }
.ad18-compiled-row strong { font-size: 11px; color: #2b4252; }
.ad18-compiled-row span { font-size: 10px; color: #5f7486; text-align: right; }
.ad18-compiled-row small { grid-column: 1 / -1; color: #7a8b9a; font: 9px/1.35 "Cascadia Mono", Consolas, monospace; }
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-pane { background: #1a242d; border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-pane h3 { color: #a9bdcb; }
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-row { background: #1f2a33; border-color: #33424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-row strong { color: #dce7f1; }
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-row span,
.ad18-app[data-ad18-theme="dark"] .ad18-compiled-row small { color: #93a5b4; }

.ad18-rules-modal { width: min(900px, calc(100vw - 40px)); }
.ad18-rules-table { min-width: 680px; }
.ad18-rules-table td { vertical-align: middle; }
.ad18-rule-value { min-height: 26px; font-size: 11px; width: 100%; }
.ad18-app[data-ad18-theme="dark"] .ad18-rules-table td { color: #dce7f1; }

.ad18-erc-matrix-wrap { max-height: 180px; overflow: auto; border: 1px solid #d3dee7; margin-bottom: 8px; }
.ad18-erc-matrix { min-width: 520px; }
.ad18-erc-matrix td, .ad18-erc-matrix th { font-size: 10px; padding: 3px 6px; }
.ad18-erc-actions { display: flex; justify-content: flex-end; margin-top: 3px; }
.ad18-erc-waive-label { display: inline-flex; align-items: center; gap: 4px; color: #5f7486; font-size: 10px; }
.ad18-app[data-ad18-theme="dark"] .ad18-erc-matrix-wrap { border-color: #35424e; }
.ad18-app[data-ad18-theme="dark"] .ad18-erc-matrix td,
.ad18-app[data-ad18-theme="dark"] .ad18-erc-matrix th { color: #dce7f1; }

.ad18-annotate-modal { width: min(440px, calc(100vw - 40px)); }

.ad18-sim-dc-modal { width: min(720px, calc(100vw - 40px)); }
.ad18-sim-currents, .ad18-sim-warnings { margin-top: 8px; border-top: 1px solid #d3dee7; padding-top: 6px; font-size: 10px; color: #5f7486; }

.ad18-eco-modal { width: min(620px, calc(100vw - 40px)); }
.ad18-eco-list { max-height: 260px; overflow: auto; }
.ad18-eco-row { display: flex; gap: 6px; padding: 4px 6px; border-bottom: 1px solid #e3ebf2; font-size: 11px; }
.ad18-eco-row.is-add { color: #1d6f42; }
.ad18-eco-row.is-change { color: #8a5a00; }
.ad18-eco-row.is-remove { color: #a02c2c; }

.ad18-release-modal { width: min(680px, calc(100vw - 40px)); }

.ad18-via-span-modal { width: min(420px, calc(100vw - 40px)); }

.ad18-net-class-modal { width: min(420px, calc(100vw - 40px)); }
.ad18-net-class-list { margin-top: 8px; font-size: 11px; color: #5f7486; }

.ad18-gerber-modal { width: min(480px, calc(100vw - 40px)); }
.ad18-gerber-file { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; padding: 3px 0; border-bottom: 1px solid rgba(20,40,60,0.08); }

.ad18-report-modal { width: min(640px, calc(100vw - 40px)); }
.ad18-report-pre { max-height: 320px; overflow: auto; font-size: 11px; line-height: 1.45; background: #0e161e; color: #c8d6e0; padding: 10px 12px; border-radius: 4px; white-space: pre-wrap; }

.ad18-variant-modal { width: min(520px, calc(100vw - 40px)); }
.ad18-variant-row { display: flex; justify-content: space-between; width: 100%; border: 1px solid rgba(20,40,60,0.12); background: #fff; padding: 6px 10px; margin-bottom: 6px; border-radius: 4px; cursor: pointer; }
.ad18-variant-row.is-active { border-color: #2d6cdf; background: #eef4ff; }
.ad18-variant-components { max-height: 220px; overflow: auto; margin-top: 8px; }
.ad18-variant-component { display: flex; gap: 8px; align-items: center; padding: 3px 0; font-size: 12px; }

.ad18-constraint-modal { width: min(480px, calc(100vw - 40px)); }
.ad18-constraint-row { display: grid; grid-template-columns: 20px 1fr 90px 24px; gap: 8px; align-items: center; padding: 4px 0; font-size: 12px; }
.ad18-constraint-value { width: 100%; padding: 2px 4px; }

.ad18-constraint-scope { margin-top: 10px; border-top: 1px solid rgba(20,40,60,0.12); padding-top: 8px; }
.ad18-constraint-scope strong { display: block; margin-bottom: 6px; font-size: 11px; color: #5f7486; }
.ad18-constraint-add { grid-template-columns: 1fr 90px 24px; }

.ad18-gerber-preview-canvas { width: 100%; border-radius: 4px; border: 1px solid rgba(20,40,60,0.2); }

.ad18-3d-modal { width: min(700px, calc(100vw - 40px)); }
.ad18-3d-canvas { width: 100%; border-radius: 4px; border: 1px solid rgba(20,40,60,0.2); }

@media print {
  .ad18-ribbon, .ad18-menu-bar, .ad18-dock, .ad18-status, .ad18-property-pane { display: none !important; }
  .ad18-canvas-host { width: 100% !important; height: auto !important; }
}

.ad18-snippet-list { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.ad18-snippet-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; }

.ad18-step-preview { max-height: 180px; overflow: auto; font-size: 10px; line-height: 1.35; background: #0e161e; color: #cfe3f5; padding: 8px; border-radius: 4px; }

.ad18-selftest-panel { position: fixed; right: 12px; bottom: 34px; max-width: 560px; padding: 6px 10px; font: 11px/1.4 ui-monospace, monospace; background: #10222f; color: #cfe3f5; border: 1px solid #2b4a63; border-radius: 4px; z-index: 40; }

.ad18-dxf-input { width: 100%; font: 10px/1.35 ui-monospace, monospace; background: #0e161e; color: #cfe3f5; border: 1px solid #2b4a63; border-radius: 4px; padding: 6px; }