:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f4f4;
  color: #202124;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: #f4f4f4;
}

main {
  max-width: 1680px;
  margin: 0 auto;
  padding: 24px;
}

header {
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
}

p {
  line-height: 1.45;
}

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  background: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.control-row {
  margin-bottom: 14px;
}

.control-row label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 650;
  margin-bottom: 6px;
}

.control-row input[type="range"],
.control-row input[type="number"],
.control-row select {
  width: 100%;
}

.control-row input[type="number"],
.control-row select {
  min-height: 34px;
  padding: 4px 8px;
  border: 1px solid #bdbdbd;
  border-radius: 8px;
  background: white;
}

button {
  width: 100%;
  min-height: 38px;
  margin-top: 8px;
  border: 1px solid #7b7b7b;
  border-radius: 8px;
  background: #f7f7f7;
  cursor: pointer;
  font-weight: 650;
}

button:hover {
  background: #eeeeee;
}

.canvas-wrap {
  overflow: auto;
}

canvas {
  width: 100%;
  max-width: 760px;
  height: auto;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
  background: #ffffff;
}

.status {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #eef5ff;
  border: 1px solid #d5e7ff;
  font-size: 0.92rem;
}

.status[data-overload="true"] {
  background: #fff4f4;
  border-color: #ffcaca;
}

.legend {
  display: flex;
  gap: 16px;
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.legend span::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 3px;
  margin-right: 6px;
  vertical-align: middle;
  background: currentColor;
}

.legend .position {
  color: #1565c0;
}

.legend .velocity {
  color: #c62828;
}

pre {
  white-space: pre-wrap;
  background: #111111;
  color: #eeeeee;
  border-radius: 8px;
  padding: 12px;
  max-height: 220px;
  overflow: auto;
}

@media (max-width: 800px) {
  main {
    padding: 16px;
  }

  .layout {
    grid-template-columns: 1fr;
  }
}


.gallery-panel {
  grid-column: 1 / -1;
}

.example-description {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: #4b5563;
}

.oscilloscope-panel {
  min-width: 0;
}

.patch-panel-section {
  margin-top: 18px;
}

.patch-panel-svg {
  overflow-x: auto;
  border: 1px solid #d6d6d6;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

.patch-panel-svg svg {
  min-width: 900px;
  width: 100%;
  height: auto;
  display: block;
}

.panel-background {
  fill: #fbfbfb;
  stroke: #cfcfcf;
  stroke-width: 2;
}

.panel-component rect {
  fill: #ffffff;
  stroke: #2f3b52;
  stroke-width: 1.5;
}

.panel-component.constant rect {
  fill: #f5f5f5;
}

.panel-component.integrator rect {
  fill: #eef6ff;
}

.panel-component.inverter rect,
.panel-component.summer rect {
  fill: #fff7ed;
}

.panel-component.potentiometer rect {
  fill: #f0fdf4;
}

.panel-component.output rect {
  fill: #f7f0ff;
}

.component-label {
  font-size: 15px;
  font-weight: 700;
  fill: #111827;
}

.component-role {
  font-size: 9px;
  fill: #4b5563;
}

.socket.input {
  fill: #ffffff;
  stroke: #111827;
  stroke-width: 1.5;
}

.socket.output {
  fill: #111827;
}

.panel-cable {
  fill: none;
  stroke: #606a7b;
  stroke-width: 2.1;
  opacity: 0.88;
  marker-end: url(#arrow);
}

.patch-panel-svg marker path {
  fill: #606a7b;
}

.lower-layout {
  margin-top: 18px;
}

.tutorial-steps {
  padding-left: 20px;
}

.tutorial-steps li {
  margin-bottom: 10px;
  line-height: 1.4;
}

.cable-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.cable-list li {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  gap: 6px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid #eeeeee;
  font-size: 0.9rem;
}

.cable-list span {
  grid-column: 1 / -1;
  color: #4b5563;
}

@media (max-width: 820px) {
  .gallery-panel {
    grid-column: auto;
  }

  .patch-panel-svg svg {
    width: 900px;
  }
}

.patch-editor-section {
  margin-top: 18px;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

textarea {
  width: 100%;
  min-height: 220px;
  padding: 10px;
  border: 1px solid #bdbdbd;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  line-height: 1.35;
  resize: vertical;
}

.patch-validation {
  margin: 10px 0 16px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #cfe3d4;
  background: #f0fdf4;
  white-space: pre-wrap;
  font-size: 0.92rem;
}

.patch-validation[data-valid="false"] {
  border-color: #f4b4b4;
  background: #fff1f1;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

@media (max-width: 820px) {
  .editor-grid,
  .button-row {
    grid-template-columns: 1fr;
  }
}

.serialized-gallery-section .json-preview {
  max-height: 24rem;
  overflow: auto;
  white-space: pre;
}

.template-bar {
  border: 1px solid #d8dde4;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 14px;
  background: #fbfcfe;
}

.template-parameters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.template-parameter {
  display: grid;
  gap: 4px;
  border: 1px solid #e1e6ee;
  border-radius: 10px;
  padding: 8px;
  background: #ffffff;
}

.template-parameter small,
.muted {
  color: #596579;
}

/* v012 SVG cable editing affordances */
.socket {
  cursor: crosshair;
}
.socket:hover,
.socket:focus {
  stroke-width: 3;
  outline: none;
}
.panel-cable {
  cursor: pointer;
}
.panel-cable:hover {
  stroke-width: 3.5;
}
.cable-interaction-status {
  white-space: pre-wrap;
}


/* v015 educational scaling and diagnostics affordances */
.education-section {
  margin-top: 18px;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.education-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.education-table th,
.education-table td {
  border-bottom: 1px solid #e5e7eb;
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
}

.education-diagnostic[data-overload="true"] {
  border: 1px solid #f4b4b4;
  border-radius: 8px;
  padding: 8px;
  background: #fff1f1;
}

.preview-cable {
  stroke-dasharray: 6 4;
  stroke-width: 3;
  pointer-events: none;
}

.preview-cable[data-valid-target="true"] {
  opacity: 0.95;
}

.preview-cable[data-valid-target="false"] {
  opacity: 0.5;
}

@media (max-width: 820px) {
  .education-grid {
    grid-template-columns: 1fr;
  }
}

.packaging-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  align-items: start;
}

.guide-card {
  border: 1px solid #d8dde6;
  border-radius: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background: #fbfcff;
}

.guide-card h3 {
  margin-top: 0;
}

.troubleshooting-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.troubleshooting-list li {
  border: 1px solid #d8dde6;
  border-radius: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background: #fbfcff;
}

.troubleshooting-list li[data-severity="error"] {
  border-color: #b84a4a;
}

.troubleshooting-list li[data-severity="warning"] {
  border-color: #b8860b;
}

#importExportSmokeTest[data-valid="false"] {
  border-color: #b84a4a;
}

/* v017 THAT-style patch panel editor prototype */
.patch-panel-svg {
  background: linear-gradient(180deg, #fafafa 0%, #f1f1f1 100%);
}

.patch-panel-svg svg {
  min-width: 1000px;
}

.panel-background {
  fill: #dedede;
}

.that-top-strip rect,
.that-patch-field rect,
.that-front-panel rect {
  fill: #fcfcfc;
  stroke: #c7c7c7;
  stroke-width: 1.4;
}

.top-connector rect {
  fill: #ffffff;
  stroke: #9ea3a8;
  stroke-width: 1;
}

.top-connector text,
.panel-group-title,
.knob-label,
.status-led-label,
.component-mini {
  font-size: 8px;
  fill: #222;
  letter-spacing: 0.08em;
}

.panel-group rect {
  fill: #ffffff;
  stroke: #d6d6d6;
  stroke-width: 1;
}

.panel-module {
  fill: #fcfcfc;
  stroke: #2a2a2a;
  stroke-width: 1;
}

.panel-component .component-label {
  font-size: 8px;
  font-weight: 700;
  fill: #222;
  letter-spacing: 0.04em;
}

.component-glyph,
.component-glyph-line {
  stroke: #111;
  fill: none;
  stroke-width: 1.3;
}

.component-glyph-text {
  font-size: 14px;
  font-weight: 700;
  fill: #111;
}

.socket.input,
.socket.output {
  fill: #e2bf55;
  stroke: #151515;
  stroke-width: 1.2;
}

.socket.output {
  fill: #111;
  stroke: #e2bf55;
}

.panel-cable {
  stroke: #6e7177;
  stroke-width: 2.2;
  fill: none;
  opacity: 0.92;
}

.that-brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.08em;
  fill: #111;
}

.panel-meter {
  fill: #2b2b2b;
  stroke: #1a1a1a;
}

.panel-meter-screen {
  fill: #d8ddd2;
  stroke: #3f3f3f;
}

.panel-meter-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 34px;
  fill: #333;
}

.panel-knob {
  fill: #2f2f2f;
  stroke: #d0d0d0;
  stroke-width: 1.4;
}

.panel-knob.small {
  fill: #333;
}

.panel-knob-pointer {
  stroke: #ffffff;
  stroke-width: 2.4;
  stroke-linecap: round;
}

.status-led {
  fill: #8bcf68;
  stroke: #2f6a25;
  stroke-width: 1;
}

.status-led-group:nth-of-type(2) .status-led {
  fill: #f0cd57;
  stroke: #8a6d12;
}

.status-led-group:nth-of-type(3) .status-led {
  fill: #ef8787;
  stroke: #9d2f2f;
}

/* v018 socket-pattern patch panel refinements */
.patch-panel-svg svg {
  min-width: 1080px;
}

.panel-group-title,
.accessory-title,
.socket-label,
.component-label,
.component-body-text,
.top-connector text {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.panel-module {
  fill: #fffdf8;
}

.socket-label {
  font-size: 7px;
  fill: #1e1e1e;
  letter-spacing: 0.04em;
}

.component-body-text {
  font-size: 11px;
  font-weight: 700;
  fill: #262626;
}

.socket.display-only,
.socket.decorative {
  fill: #f1ead1;
  stroke: #777;
  stroke-width: 1;
}

.socket-group.decorative text,
.socket-group.display-only text {
  fill: #666;
}

.accessory-area rect {
  fill: #fbfbfb;
  stroke: #d5d5d5;
  stroke-width: 1;
}

.accessory-item rect {
  fill: #f3f3f3;
  stroke: #a7a7a7;
  stroke-width: 1;
}

.accessory-item text,
.accessory-title {
  font-size: 8px;
  fill: #333;
}

/* v019 uploaded-reference SVG panel overlay */
.that-reference-panel .panel-reference-image {
  pointer-events: none;
}

.that-reference-panel .socket-hit {
  fill: transparent;
  stroke: transparent;
  stroke-width: 2;
  cursor: crosshair;
}

.that-reference-panel .socket-hit:hover,
.that-reference-panel .socket-hit:focus {
  fill: rgba(255, 210, 72, 0.28);
  stroke: #111;
  outline: none;
}

.that-reference-panel .panel-cable {
  stroke: #1565c0;
  stroke-width: 2.4;
  opacity: 0.82;
  fill: none;
}

.that-reference-panel .panel-cable:hover {
  stroke-width: 3.6;
}


/* v020 wider workbench layout for the uploaded THAT panel SVG */
:root {
  --workbench-max-width: 1680px;
}

body {
  min-width: 0;
}

main {
  max-width: var(--workbench-max-width);
}

.layout {
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
}

.patch-panel-section {
  width: 100%;
}

.patch-panel-svg {
  overflow-x: auto;
  padding: 12px;
}

.patch-panel-svg svg.that-reference-panel {
  min-width: 1200px;
  width: 100%;
  max-width: none;
}

@media (min-width: 1500px) {
  .patch-panel-svg svg.that-reference-panel {
    min-width: 1320px;
  }
}

@media (max-width: 980px) {
  main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .patch-panel-svg svg.that-reference-panel {
    min-width: 1000px;
  }
}

.panel-editor-toolbar {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin: 12px 0;
}

.panel-editor-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 8px;
}

.panel-editor-buttons button {
  margin-top: 0;
}

.cable-interaction-status[data-dirty="true"] {
  background: #fff8e1;
  border-color: #f0d37a;
}

.that-reference-panel:focus,
.socket-hit:focus,
.panel-cable:focus {
  outline: 3px solid #7aa7ff;
  outline-offset: 2px;
}

.panel-cable[tabindex="0"] {
  cursor: pointer;
}

.physical-socket.display-only,
.physical-socket.unsupported {
  stroke-dasharray: 3 2;
  opacity: 0.42;
}

@media (max-width: 900px) {
  .panel-editor-toolbar {
    grid-template-columns: 1fr;
  }

  .panel-editor-buttons {
    grid-template-columns: 1fr 1fr;
  }
}

/* v024 custom-design coefficient, operation, and routing controls */
.custom-design-controls {
  margin-top: 12px;
}

.custom-controls-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.2fr) minmax(240px, 1fr) minmax(240px, 1fr);
  gap: 14px;
  align-items: start;
}

.custom-controls-card {
  border: 1px solid #d8dde6;
  border-radius: 12px;
  padding: 12px;
  background: #fbfcff;
}

.custom-controls-card h3 {
  margin: 0 0 10px;
}

.coefficient-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.coefficient-control {
  display: grid;
  grid-template-columns: 1fr 74px;
  gap: 6px 8px;
  align-items: center;
  border: 1px solid #e1e6ee;
  border-radius: 10px;
  padding: 8px;
  background: #ffffff;
}

.coefficient-control label {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  font-weight: 650;
}

.coefficient-control input[type="range"] {
  width: 100%;
}

.coefficient-control input[type="number"] {
  width: 74px;
  min-height: 32px;
  padding: 4px 6px;
  border: 1px solid #bdbdbd;
  border-radius: 8px;
}

#customDesignWarnings[data-valid="false"] {
  background: #fff8e1;
  border-color: #f0d37a;
}

@media (max-width: 1080px) {
  .custom-controls-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .coefficient-grid {
    grid-template-columns: 1fr;
  }
}

.panel-cable.diagnostic-error,
.panel-cable.invalid-cable {
  stroke-width: 4;
  stroke-dasharray: 8 4;
}

.patch-validation[data-valid="false"] pre {
  white-space: pre-wrap;
}

/* v027-v028 custom-design save/load/import/export workflows and templates */
.custom-design-storage-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(260px, 0.75fr);
  gap: 14px;
  align-items: start;
  margin: 14px 0;
}

#customDesignImportJson {
  width: 100%;
  min-height: 150px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  border: 1px solid #bdbdbd;
  border-radius: 10px;
  padding: 8px;
  box-sizing: border-box;
}

#designJsonFileInput {
  max-width: 100%;
}

@media (max-width: 1080px) {
  .custom-design-storage-grid {
    grid-template-columns: 1fr;
  }
}


.template-walkthrough {
  margin-top: 10px;
  border: 1px solid #d8d8d8;
  border-radius: 10px;
  padding: 10px;
  background: #fff;
}

.template-walkthrough h4 {
  margin: 0 0 6px;
}

.template-walkthrough ol {
  margin: 8px 0 0 20px;
  padding: 0;
}

.template-walkthrough li + li {
  margin-top: 6px;
}

/* v030 usability hardening: panel viewport controls, accessibility, and socket status states */
.panel-viewport-toolbar {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin-top: 8px;
}

.panel-viewport-buttons {
  display: grid;
  grid-template-columns: repeat(9, minmax(80px, 1fr));
  gap: 8px;
}

.panel-viewport-buttons button {
  margin-top: 0;
}

.patch-panel-svg {
  overflow: auto;
  touch-action: pan-x pan-y;
}

.patch-panel-svg svg.that-reference-panel {
  transition: transform 120ms ease-out;
  transform-origin: 0 0;
}

.that-reference-panel .physical-socket.editable {
  fill: rgba(255, 210, 72, 0.14);
  stroke: rgba(17, 24, 39, 0.35);
}

.that-reference-panel .physical-socket.display-only {
  fill: rgba(180, 180, 180, 0.14);
  stroke: rgba(90, 90, 90, 0.55);
  stroke-dasharray: 2 3;
  opacity: 0.55;
}

.that-reference-panel .physical-socket.unsupported {
  fill: rgba(255, 164, 28, 0.18);
  stroke: rgba(128, 70, 0, 0.85);
  stroke-dasharray: 4 2;
  opacity: 0.72;
}

.that-reference-panel .physical-socket.invalid,
.that-reference-panel .physical-socket[aria-invalid="true"] {
  fill: rgba(220, 38, 38, 0.25);
  stroke: #b91c1c;
  stroke-width: 3;
}

.that-reference-panel .physical-socket[data-editable="true"]:hover,
.that-reference-panel .physical-socket[data-editable="true"]:focus {
  fill: rgba(255, 210, 72, 0.38);
  stroke: #111827;
  stroke-width: 3;
}

.that-reference-panel .panel-cable[role="button"]:focus {
  stroke-width: 4;
}

@media (max-width: 1080px) {
  .panel-viewport-toolbar {
    grid-template-columns: 1fr;
  }

  .panel-viewport-buttons {
    grid-template-columns: repeat(3, minmax(90px, 1fr));
  }
}

/* v032 original-style panel polish and guided repair previews */
.that-reference-panel .original-panel-socket {
  vector-effect: non-scaling-stroke;
}

.that-reference-panel .physical-socket-core {
  pointer-events: none;
  fill: rgba(18, 18, 18, 0.72);
  stroke: rgba(255, 255, 255, 0.82);
  stroke-width: 0.7;
}

.that-reference-panel .physical-socket-core.display-only,
.that-reference-panel .physical-socket-core.unsupported {
  fill: rgba(120, 120, 120, 0.38);
}

.that-reference-panel .physical-socket-core.invalid {
  fill: rgba(185, 28, 28, 0.86);
}

.that-reference-panel .socket-label {
  pointer-events: none;
  user-select: none;
  font-size: 7px;
  font-weight: 650;
  fill: #181818;
  paint-order: stroke;
  stroke: rgba(255, 255, 255, 0.8);
  stroke-width: 1.8px;
  stroke-linejoin: round;
}

.that-reference-panel .socket-label-capacitors,
.that-reference-panel .socket-label-diodes,
.that-reference-panel .socket-label-z-diodes {
  fill: #555;
  font-size: 6.5px;
}

.that-reference-panel .original-panel-cable {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.that-reference-panel .original-panel-cable[data-original-route="true"] {
  opacity: 0.78;
}

.that-reference-panel .original-panel-cable[data-cable-lane="1"],
.that-reference-panel .original-panel-cable[data-cable-lane="3"],
.that-reference-panel .original-panel-cable[data-cable-lane="5"] {
  stroke-dasharray: 12 3;
}

.repair-preview {
  margin-top: 10px;
  border: 1px solid #d8dde6;
  border-radius: 10px;
  padding: 8px 10px;
  background: #fbfcff;
}

.repair-preview summary {
  cursor: pointer;
  font-weight: 700;
}

.repair-preview ol {
  margin: 8px 0 0 20px;
  padding: 0;
}

.repair-preview li + li {
  margin-top: 4px;
}

.repair-actions button[data-recommended="true"] {
  border-color: #2f7d32;
}

.repair-actions button[data-destructive="true"] {
  border-color: #b84a4a;
}

/* v036 adopted standalone patch-panel wiring editor */
.adopted-patch-editor-section {
  border-color: rgba(59, 130, 246, 0.38);
}

.adopted-patch-editor-host {
  margin-top: 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  overflow: hidden;
  background: #0f172a;
  min-height: 760px;
}

.adopted-patch-editor-frame {
  display: block;
  width: 100%;
  height: 760px;
  border: 0;
  background: #f8fafc;
}

.adopted-editor-summary .compact-list {
  columns: 2;
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

@media (max-width: 900px) {
  .adopted-patch-editor-host {
    min-height: 680px;
  }
  .adopted-patch-editor-frame {
    height: 680px;
  }
  .adopted-editor-summary .compact-list {
    columns: 1;
  }
}

/* v037 integrated patch-panel wire editor: extracted from analog_patch_panel_editor_v021 and
   applied directly to the simulator's main patch panel instead of embedding a standalone page. */
.patch-panel-svg {
  width: min(100%, 1180px);
  margin-inline: auto;
  aspect-ratio: 800 / 638;
  overflow: hidden;
  touch-action: none;
}

.that-reference-panel.integrated-patch-wire-editor {
  background: #eee9dd;
  outline: none;
  touch-action: none;
}

.that-reference-panel.integrated-patch-wire-editor:focus-visible {
  box-shadow: 0 0 0 3px rgba(35, 79, 125, 0.35) inset;
}

.that-reference-panel.integrated-patch-wire-editor [data-integrated-hidden-layer="true"] {
  display: none;
}

.integrated-wire-layer .wire-path,
.that-reference-panel .wire-path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 5.25;
  stroke-opacity: 0.62;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.28));
  pointer-events: none;
}

.integrated-wire-layer .wire-hit,
.that-reference-panel .wire-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: stroke;
  cursor: pointer;
}

.integrated-wire-layer .wire-selected,
.that-reference-panel .wire-selected {
  stroke-opacity: 0.86;
  stroke-width: 6.4;
}

.integrated-wire-layer .wire-selected-outline,
.that-reference-panel .wire-selected-outline {
  fill: none;
  stroke: rgba(255, 252, 237, 0.9);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.integrated-temp-wire,
.that-reference-panel .temp-wire {
  fill: none;
  stroke: rgba(30, 70, 120, 0.58);
  stroke-width: 5;
  stroke-dasharray: 9 7;
  stroke-linecap: round;
  pointer-events: none;
}

.integrated-connector-layer .connector-hit,
.that-reference-panel .connector-hit {
  fill: transparent;
  stroke: transparent;
  stroke-width: 2.4;
  cursor: crosshair;
  pointer-events: all;
}

.integrated-connector-layer .connector-hit:hover,
.integrated-connector-layer .connector-hit.is-near,
.integrated-connector-layer .connector-hit.is-start,
.that-reference-panel .connector-hit:hover,
.that-reference-panel .connector-hit.is-near,
.that-reference-panel .connector-hit.is-start {
  fill: rgba(35, 79, 125, 0.12);
  stroke: rgba(35, 79, 125, 0.55);
}

.integrated-connector-layer .connector-hit.display-only,
.integrated-connector-layer .connector-hit.unsupported,
.integrated-connector-layer .connector-hit.unmapped {
  cursor: not-allowed;
}

.integrated-handle-layer .endpoint-handle,
.that-reference-panel .endpoint-handle {
  fill: #fff8df;
  stroke: #111;
  stroke-width: 1.6;
  cursor: grab;
  pointer-events: all;
}

.integrated-handle-layer .endpoint-handle:active,
.that-reference-panel .endpoint-handle:active {
  cursor: grabbing;
}

/* v038 main-workbench layout: panel first, oscilloscope at right, details in tabs. */
main {
  max-width: 1920px;
  padding: 18px;
}

.app-header {
  margin-bottom: 12px;
}

.app-header p {
  max-width: 1080px;
  margin-top: 6px;
}

.app-workbench {
  display: grid;
  grid-template-columns: minmax(760px, 1fr) minmax(360px, 460px);
  gap: 16px;
  align-items: start;
}

.primary-patch-card {
  order: 0;
  min-width: 0;
  padding: 12px;
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.panel-title-row h2,
.oscilloscope-panel h2 {
  margin-top: 0;
}

.section-lede {
  margin: 4px 0 0;
  color: #4b5563;
}

.panel-status-pill {
  flex: 0 0 auto;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #f8fafc;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #334155;
}

.main-load-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.mini-card {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 10px;
  background: #fbfbfb;
}

.mini-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.primary-editor-toolbar {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(260px, 1fr) minmax(280px, 1.2fr);
  gap: 10px;
  align-items: end;
  margin: 10px 0;
}

.panel-editor-buttons,
.panel-viewport-buttons,
.run-button-row,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.panel-editor-buttons button,
.panel-viewport-buttons button,
.run-button-row button,
.button-row button {
  width: auto;
  flex: 1 1 120px;
}

.patch-panel-section {
  margin-top: 0;
}

.patch-panel-svg {
  overflow: hidden;
  padding: 6px;
  min-height: min(62vh, 720px);
  display: grid;
  place-items: start stretch;
}

.patch-panel-svg svg {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.oscilloscope-panel {
  position: sticky;
  top: 12px;
  max-height: calc(100vh - 24px);
  overflow: auto;
}

.simulation-controls {
  margin-bottom: 12px;
}

.run-details {
  margin-top: 10px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 8px 10px;
  background: #fbfbfb;
}

.run-details summary {
  cursor: pointer;
  font-weight: 700;
  margin-bottom: 8px;
}

.oscilloscope-canvas-wrap canvas,
.oscilloscope-panel canvas {
  max-width: none;
}

.secondary-tabs {
  margin-top: 16px;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.tab-button {
  width: auto;
  min-width: 190px;
  background: #f8fafc;
}

.tab-button[aria-selected="true"] {
  background: #111827;
  border-color: #111827;
  color: white;
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel > .panel + .panel {
  margin-top: 14px;
}

.compact-template-parameters {
  max-height: 150px;
  overflow: auto;
}

@media (max-width: 1240px) {
  .app-workbench {
    grid-template-columns: 1fr;
  }

  .oscilloscope-panel {
    position: static;
    max-height: none;
  }

  .primary-editor-toolbar,
  .main-load-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  main {
    padding: 12px;
  }

  .patch-panel-svg {
    min-height: 0;
  }

  .panel-title-row {
    display: block;
  }
}


/* v039 correction: the integrated patch panel is the first functional surface and must fit fully. */
.primary-patch-card > .patch-panel-svg:first-child {
  margin-top: 0;
  margin-bottom: 12px;
}

.patch-panel-svg,
.patch-panel-svg:first-child {
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
  aspect-ratio: 800 / 638;
  min-height: 0;
  overflow: hidden;
  place-items: stretch;
}

.patch-panel-svg svg.that-reference-panel,
.patch-panel-svg svg.that-reference-panel.integrated-patch-wire-editor {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  display: block;
}

.primary-patch-card .main-load-grid,
.primary-patch-card .primary-editor-toolbar {
  margin-top: 12px;
}

/* Browser number inputs should not reject exact values like REPF opTime=8 or dt=0.01 because of HTML step-base arithmetic. */
#opTime,
#dt,
#customOpTime,
#customDt {
  scroll-margin-top: 1rem;
}

/* v040 device-first workbench */
.device-app-shell {
  max-width: 1860px;
  padding: 14px;
}

.compact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.compact-header h1 {
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.compact-header p {
  margin: 0;
  color: #4b5563;
}

.device-indicator-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.device-indicator-strip span {
  min-width: 42px;
  text-align: center;
  border: 1px solid #c7c7c7;
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 750;
  font-size: 0.85rem;
  color: #6b7280;
  background: #f8fafc;
}

.device-indicator-strip span[data-active="true"] {
  color: #111827;
  background: #e5e7eb;
  border-color: #6b7280;
}

.device-indicator-strip span[data-device-indicator="OL"][data-active="true"] {
  color: #7f1d1d;
  background: #fee2e2;
  border-color: #ef4444;
}

.device-workbench {
  display: grid;
  grid-template-columns: minmax(880px, 1fr) minmax(360px, 460px);
  gap: 14px;
  align-items: start;
}

.device-workbench .patch-panel-section {
  margin-top: 0;
  padding: 12px;
}

.device-panel-title-row {
  margin-bottom: 10px;
}

.device-workbench .patch-panel-svg {
  max-height: calc(100vh - 230px);
  min-height: 610px;
  padding: 4px;
}

.device-workbench .patch-panel-svg svg {
  min-width: 980px;
}

.device-side-panel {
  position: sticky;
  top: 12px;
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 12px;
}

.device-side-panel h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.device-side-panel h3 {
  margin: 14px 0 8px;
  font-size: 0.95rem;
}

.scope-card canvas,
.device-side-panel canvas {
  max-width: 100%;
  width: 100%;
  border-radius: 10px;
}

.scope-legend {
  min-height: 24px;
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 6px 0 10px;
  font-size: 0.86rem;
  color: #374151;
}

.scope-legend span::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 3px;
  margin-right: 5px;
  background: currentColor;
  vertical-align: middle;
}

.output-port-status {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 6px 0 10px;
}

.output-port-pill {
  border: 1px solid #d1d5db;
  border-radius: 999px;
  padding: 4px 7px;
  text-align: center;
  font-size: 0.76rem;
  background: #f9fafb;
  color: #4b5563;
  white-space: nowrap;
}

.output-port-pill[data-wired="true"] {
  color: #064e3b;
  background: #ecfdf5;
  border-color: #34d399;
}

.output-port-pill[data-selected-channel~="CH1"] {
  box-shadow: inset 0 -3px 0 #2563eb;
}

.output-port-pill[data-selected-channel~="CH2"] {
  box-shadow: inset 0 -3px 0 #d97706;
}

.output-port-pill[data-selected-channel="CH1 CH2"] {
  box-shadow: inset 0 -3px 0 #2563eb, inset 0 -6px 0 #d97706;
}

.control-grid.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
}

.device-controls .control-row {
  margin-bottom: 10px;
}

.device-controls .control-row label {
  font-size: 0.88rem;
}

.device-controls input[type="number"],
.device-controls select {
  min-height: 32px;
}

.device-controls input[type="checkbox"] {
  justify-self: end;
  width: 20px;
  height: 20px;
}

.run-button-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.button-row.run-button-row button,
.run-button-row button {
  width: 100%;
  margin-top: 0;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
}

.inline-select-row {
  min-width: 110px;
  margin-bottom: 0;
}

.panel-meter {
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 8px 10px;
  background: #f9fafb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-bottom: 8px;
}

.coefficient-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.coefficient-control {
  display: grid;
  grid-template-columns: 32px 1fr 54px;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.coefficient-control span {
  font-weight: 750;
}

.coefficient-control output {
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.load-patch-section,
.coefficient-section,
.scope-card,
.advanced-device-settings {
  border-top: 1px solid #e5e7eb;
  padding-top: 12px;
  margin-top: 12px;
}

.device-warning-box {
  white-space: pre-wrap;
  margin-top: 10px;
}

.primary-editor-toolbar {
  margin-top: 10px;
}

.compact-button-row {
  display: grid;
  grid-template-columns: repeat(9, minmax(34px, 1fr));
  gap: 5px;
}

.compact-button-row button,
.panel-editor-buttons button {
  margin-top: 0;
  min-height: 32px;
  padding: 4px 6px;
}

.panel-editor-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.advanced-tools {
  margin-top: 14px;
}

.advanced-tools > summary {
  cursor: pointer;
  font-weight: 750;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #ffffff;
}


.auto-run-control {
  justify-content: space-between;
  margin-top: 8px;
}

.microcopy {
  margin: 4px 0 0;
  color: #6b7280;
  font-size: 0.82rem;
}

.status[data-stale="true"] {
  color: #92400e;
}

.unit {
  font-weight: 500;
  color: #6b7280;
}

@media (max-width: 1280px) {
  .device-workbench {
    grid-template-columns: 1fr;
  }
  .device-side-panel {
    position: static;
    max-height: none;
  }
  .device-workbench .patch-panel-svg {
    max-height: none;
  }
}

/* v045 device-preset loading: selection previews first, Load applies explicitly. */
.device-preset-summary {
  margin-top: 10px;
}

.preset-summary-card {
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 10px;
  background: #f9fafb;
}

.preset-summary-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
  margin-bottom: 8px;
}

.preset-summary-title span {
  color: #6b7280;
  font-size: 0.82rem;
}

.preset-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
  margin: 0;
}

.preset-summary-grid div {
  min-width: 0;
}

.preset-summary-grid dt {
  font-size: 0.72rem;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.preset-summary-grid dd {
  margin: 1px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.preset-summary-card p {
  margin: 8px 0 0;
  color: #4b5563;
  font-size: 0.82rem;
}

/* v049 workbench layout swap: choose whether the patch panel or oscilloscope gets the large area. */
.layout-switch {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 6px;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  background: #ffffff;
  white-space: nowrap;
}

.layout-switch span {
  padding: 0 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.layout-switch button {
  width: auto;
  min-height: 30px;
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  border-color: transparent;
  background: transparent;
  color: #374151;
}

.layout-switch button[aria-pressed="true"] {
  background: #111827;
  border-color: #111827;
  color: #ffffff;
}

.device-workbench[data-workbench-layout="patch-focus"] {
  grid-template-columns: minmax(880px, 1fr) minmax(360px, 460px);
}

.device-workbench[data-workbench-layout="patch-focus"] .patch-panel-section {
  grid-column: 1;
  grid-row: 1;
}

.device-workbench[data-workbench-layout="patch-focus"] .device-side-panel {
  grid-column: 2;
  grid-row: 1;
}

.device-workbench[data-workbench-layout="scope-focus"] {
  grid-template-columns: minmax(760px, 1.35fr) minmax(340px, 0.75fr);
}

.device-workbench[data-workbench-layout="scope-focus"] .device-side-panel {
  grid-column: 1;
  grid-row: 1;
  position: static;
  max-height: none;
}

.device-workbench[data-workbench-layout="scope-focus"] .patch-panel-section {
  grid-column: 2;
  grid-row: 1;
}

.device-workbench[data-workbench-layout="scope-focus"] .scope-card canvas,
.device-workbench[data-workbench-layout="scope-focus"] .device-side-panel canvas {
  min-height: min(58vh, 620px);
}

.device-workbench[data-workbench-layout="scope-focus"] .patch-panel-svg {
  min-height: 260px;
  max-height: calc(100vh - 230px);
  overflow: auto;
}

.device-workbench[data-workbench-layout="scope-focus"] .device-panel-title-row {
  display: block;
}

.device-workbench[data-workbench-layout="scope-focus"] .panel-status-pill {
  display: inline-block;
  margin-top: 8px;
}

.device-workbench[data-workbench-layout="scope-focus"] .primary-editor-toolbar {
  grid-template-columns: 1fr;
}

.device-workbench[data-workbench-layout="scope-focus"] .panel-editor-buttons,
.device-workbench[data-workbench-layout="scope-focus"] .panel-viewport-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 1280px) {
  .layout-switch {
    order: 3;
    flex-basis: 100%;
    justify-content: start;
    margin-left: 0;
    width: fit-content;
  }

  .device-workbench[data-workbench-layout="patch-focus"],
  .device-workbench[data-workbench-layout="scope-focus"] {
    grid-template-columns: 1fr;
  }

  .device-workbench[data-workbench-layout="patch-focus"] .patch-panel-section,
  .device-workbench[data-workbench-layout="patch-focus"] .device-side-panel,
  .device-workbench[data-workbench-layout="scope-focus"] .patch-panel-section,
  .device-workbench[data-workbench-layout="scope-focus"] .device-side-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .device-workbench[data-workbench-layout="scope-focus"] .device-side-panel {
    order: -1;
  }

  .device-workbench[data-workbench-layout="scope-focus"] .scope-card canvas,
  .device-workbench[data-workbench-layout="scope-focus"] .device-side-panel canvas {
    min-height: 0;
  }
}

/* v051 patch-panel editing ergonomics: make selected wires and sockets legible without opening debug JSON. */
.panel-status-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.panel-status-line span {
  display: inline-flex;
  align-items: center;
  border: 1px solid #d8dee8;
  border-radius: 999px;
  padding: 2px 8px;
  background: #f8fafc;
  font-size: 0.82rem;
}

.panel-status-message {
  margin-top: 6px;
  color: #374151;
}

.panel-inspector-card {
  border: 1px solid #d8e2f0;
  border-radius: 12px;
  background: #ffffff;
  padding: 8px 10px;
  margin: 7px 0;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.panel-inspector-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.panel-inspector-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 7px;
  background: #eef6ff;
  border: 1px solid #bfd7f3;
  color: #173b65;
  font-size: 0.78rem;
  font-weight: 700;
}

.panel-inspector-badge.warning {
  background: #fff7e6;
  border-color: #f2cf88;
  color: #6b4200;
}

.wire-color-chip {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--wire-color, #2563eb);
  border: 1px solid rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.45);
}

.panel-inspector-grid {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 4px 10px;
  margin: 0;
}

.panel-inspector-grid dt {
  color: #5b6472;
  font-weight: 750;
}

.panel-inspector-grid dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.panel-inspector-hint {
  margin: 6px 0 0;
  color: #4b5563;
}

.integrated-handle-layer .endpoint-handle-halo,
.that-reference-panel .endpoint-handle-halo {
  fill: rgba(255, 255, 255, 0.78);
  stroke: rgba(17, 24, 39, 0.28);
  stroke-width: 2.4;
  pointer-events: none;
}

.integrated-handle-layer .endpoint-handle,
.that-reference-panel .endpoint-handle {
  fill: #fff2a8;
  stroke: #111827;
  stroke-width: 2.2;
}

.integrated-handle-layer .endpoint-handle-label,
.that-reference-panel .endpoint-handle-label {
  fill: #111827;
  stroke: rgba(255, 255, 255, 0.75);
  stroke-width: 3px;
  paint-order: stroke;
  font-size: 14px;
  font-weight: 850;
  pointer-events: none;
  user-select: none;
}

.integrated-connector-layer .connector-hit.is-inspected,
.that-reference-panel .connector-hit.is-inspected {
  fill: rgba(255, 242, 168, 0.38);
  stroke: rgba(111, 69, 0, 0.72);
  stroke-width: 3.2;
}

.primary-editor-toolbar {
  border: 1px solid #e1e7ef;
  border-radius: 12px;
  padding: 8px;
  background: #fbfdff;
}


/* v052 workflow guidance: explain stale traces, coefficient-input mistakes, and output-jack routing. */
.workflow-hints {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.workflow-hint {
  display: grid;
  gap: 3px;
  padding: 9px 10px;
  border: 1px solid #d1d5db;
  border-left-width: 4px;
  border-radius: 10px;
  background: #ffffff;
  color: #374151;
  font-size: 0.84rem;
}

.workflow-hint strong {
  color: #111827;
}

.workflow-hint span {
  line-height: 1.35;
}

.workflow-hint[data-level="warning"] {
  border-left-color: #f59e0b;
  background: #fffbeb;
}

.workflow-hint[data-level="ok"] {
  border-left-color: #10b981;
  background: #ecfdf5;
}

.workflow-hint[data-level="info"] {
  border-left-color: #3b82f6;
  background: #eff6ff;
}

/* v075 physical accessory materialization preview in custom-design validation. */
.accessory-materialization-preview {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  background: #f8fafc;
}

.accessory-materialization-preview summary {
  font-weight: 800;
  cursor: pointer;
}

.accessory-materialization-preview ol,
.accessory-materialization-preview ul {
  margin: 8px 0 8px 20px;
  padding: 0;
}

.accessory-materialization-preview li {
  margin: 4px 0;
  line-height: 1.35;
}

/* v076 SVG-level physical accessory pair guidance. */
.accessory-guidance-layer {
  pointer-events: none;
}


.panel-accessory-guidance-status {
  margin-top: 8px;
  border: 1px solid #f3d08a;
  border-radius: 10px;
  background: #fffbeb;
  padding: 8px 10px;
  font-size: 0.84rem;
}

.panel-accessory-guidance-status summary {
  cursor: pointer;
  font-weight: 800;
}

.panel-accessory-guidance-status ul {
  margin: 6px 0 0 18px;
  padding: 0;
}

.panel-accessory-guidance-status li,
.panel-accessory-guidance-status p {
  margin: 4px 0;
  line-height: 1.35;
}

/* v078 asynchronous simulation progress and stoppable runs */
.simulation-progress {
  margin: 8px 0 12px;
  padding: 8px 10px;
  border: 1px solid #d5e7ff;
  border-radius: 8px;
  background: #f8fbff;
  font-size: 0.84rem;
}

.simulation-progress[data-running="true"] {
  border-color: #9cc7ff;
  background: #eef6ff;
}

.simulation-progress-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.simulation-progress progress {
  display: block;
  width: 100%;
  height: 12px;
}

.status[data-running="true"] {
  background: #eef6ff;
  border-color: #9cc7ff;
}

/* v079 virtual OP-TIME guidance */
.control-help {
  display: block;
  margin-top: 0.25rem;
  color: #4b5563;
  font-size: 0.78rem;
  line-height: 1.25;
}

.control-help[data-extended="true"] {
  font-weight: 600;
}

/* v099 analog-computer-era visual pass: bench instrument colors, square controls, CRT scope. */
:root {
  --bench-bg: #3c3a32;
  --bench-bg-dark: #25241f;
  --panel-metal: #d7d0bf;
  --panel-metal-light: #eee8d8;
  --panel-metal-shadow: #8d8677;
  --ink-dark: #151411;
  --ink-muted: #4e4b42;
  --engraved: #f9f3df;
  --amber: #e1a335;
  --crt-green: #76ff7a;
  --crt-dim: #18351f;
  --red-lamp: #b64232;
  --workbench-max-width: 1880px;
  font-family: "Trebuchet MS", "Arial Narrow", Arial, sans-serif;
  background: var(--bench-bg);
  color: var(--ink-dark);
}

body {
  background:
    radial-gradient(circle at 18px 18px, rgba(255,255,255,0.04) 0 1px, transparent 1.5px),
    linear-gradient(145deg, #4a483f 0%, #292821 46%, #1f1e1a 100%);
  background-size: 36px 36px, auto;
}

main.device-app-shell {
  border: 1px solid rgba(255, 246, 215, 0.18);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.01)),
    var(--bench-bg-dark);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255,255,255,0.16);
}

.compact-header {
  padding: 12px 14px;
  border: 2px solid #11100e;
  border-radius: 3px;
  background:
    linear-gradient(90deg, #14130f 0 22px, transparent 22px 32px) repeat-x,
    linear-gradient(180deg, #2f2d27 0%, #191814 100%);
  background-size: 64px 100%, auto;
  color: var(--engraved);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), inset 0 -2px 0 rgba(0,0,0,0.55);
}

.compact-header h1 {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #f5edd6;
  text-shadow: 0 1px 0 #000;
}

.compact-header p {
  color: #d2c7ac;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.panel,
.primary-editor-toolbar,
.preset-summary-card,
.simulation-progress,
.workflow-hint,
.panel-inspector-card,
.output-port-pill,
.panel-meter {
  border-radius: 3px;
  border-color: #3b372f;
  background:
    linear-gradient(180deg, var(--panel-metal-light) 0%, var(--panel-metal) 72%, #beb5a3 100%);
  color: var(--ink-dark);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.68), inset 0 -1px 0 rgba(0,0,0,0.18), 0 2px 0 rgba(0,0,0,0.36);
}

.primary-patch-card,
.device-side-panel {
  border-width: 2px;
}

.panel h2,
.panel h3,
.control-row label,
.panel-status-pill,
.layout-switch span,
.preset-summary-grid dt,
.device-side-panel h2,
.device-side-panel h3 {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #24221d;
}

.section-lede,
.microcopy,
.control-help,
.example-description,
.panel-inspector-hint,
.workflow-hint span {
  color: var(--ink-muted);
}

.patch-panel-svg {
  border: 2px solid #1d1b17;
  border-radius: 3px;
  background: #c8c0ae;
  box-shadow: inset 0 0 0 3px #a59c8b, inset 0 0 24px rgba(0,0,0,0.22);
}

.that-reference-panel.integrated-patch-wire-editor {
  background: #e9e2d2;
}

button,
.control-row input[type="number"],
.control-row select,
textarea {
  border-radius: 2px;
  border: 1px solid #2d2a24;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

button {
  background: linear-gradient(180deg, #f0e8d6 0%, #c6bca8 100%);
  color: #161510;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75), inset 0 -2px 0 rgba(0,0,0,0.22), 0 1px 0 rgba(0,0,0,0.3);
}

button:hover,
button:focus-visible {
  background: linear-gradient(180deg, #fff3d6 0%, #d8bf7c 100%);
}

button:active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 3px rgba(0,0,0,0.28);
}

.control-row input[type="number"],
.control-row select,
textarea {
  background: #f4eedf;
  color: #161510;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.18);
}

input[type="range"] {
  accent-color: #222019;
}

.layout-switch {
  border-radius: 2px;
  border-color: #0f0e0c;
  background: #ded5c4;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 1px 0 rgba(0,0,0,0.5);
}

.layout-switch button[aria-pressed="true"] {
  background: linear-gradient(180deg, #2a2924 0%, #0d0d0b 100%);
  border-color: #050504;
  color: #f3e8c8;
}

.device-indicator-strip span {
  border-radius: 2px;
  border-color: #16140f;
  background: #342f25;
  color: #968c77;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.55), 0 1px 0 rgba(255,255,255,0.11);
}

.device-indicator-strip span[data-active="true"] {
  color: #111;
  background: radial-gradient(circle at 50% 38%, #fff5af 0 18%, var(--amber) 42%, #8f5c12 100%);
  border-color: #f6cc6d;
  box-shadow: 0 0 12px rgba(225, 163, 53, 0.75), inset 0 1px 2px rgba(255,255,255,0.7);
}

.device-indicator-strip span[data-device-indicator="OL"][data-active="true"] {
  background: radial-gradient(circle at 50% 38%, #ffd2c2 0 18%, #d7553f 44%, #6d1d14 100%);
  border-color: #ff9a80;
  color: #160705;
  box-shadow: 0 0 12px rgba(214, 69, 48, 0.75), inset 0 1px 2px rgba(255,255,255,0.55);
}

.scope-card canvas,
.device-side-panel canvas,
canvas {
  border: 8px solid #171610;
  border-radius: 4px;
  background: #08150e;
  box-shadow: inset 0 0 28px rgba(118,255,122,0.16), 0 2px 0 rgba(0,0,0,0.45);
}

.scope-card {
  background:
    linear-gradient(180deg, #2a2924 0%, #171610 100%);
  color: #e8dfc8;
  border-color: #0c0c09;
}

.scope-card h2,
.scope-card label,
.scope-card .microcopy {
  color: #e8dfc8;
}

.scope-legend {
  color: #d8ccb4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.output-port-pill {
  background: #27241d;
  color: #b4a98f;
  border-color: #11100d;
}

.output-port-pill[data-wired="true"] {
  color: #111;
  background: #caa15c;
  border-color: #251f12;
}

.output-port-pill[data-selected-channel~="CH1"] {
  box-shadow: inset 0 -3px 0 var(--crt-green);
}

.output-port-pill[data-selected-channel~="CH2"] {
  box-shadow: inset 0 -3px 0 var(--amber);
}

.output-port-pill[data-selected-channel="CH1 CH2"] {
  box-shadow: inset 0 -3px 0 var(--crt-green), inset 0 -6px 0 var(--amber);
}

.patch-validation {
  border-radius: 3px;
  border-color: #3b372f;
  background: #e8dec9;
}

.patch-validation[data-valid="false"],
.workflow-hint[data-level="warning"] {
  background: #f3dfb9;
  border-color: #8a5c19;
}

.workflow-hint[data-level="ok"] {
  background: #dbe8c7;
  border-left-color: #4b6d2a;
}

.workflow-hint[data-level="info"] {
  background: #d8dfdc;
  border-left-color: #2f5d61;
}

pre,
#traceSummary {
  background: #11100c;
  color: #b7ffb3;
  border: 1px solid #3c5f3d;
  border-radius: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.simulation-progress progress {
  accent-color: var(--amber);
}

/* v101-v102 visible editing rings, stacked design save/load controls, and scope-panel theme alignment. */
.integrated-connector-layer .connector-hit:hover,
.integrated-connector-layer .connector-hit.is-near,
.integrated-connector-layer .connector-hit.is-start,
.that-reference-panel .connector-hit:hover,
.that-reference-panel .connector-hit.is-near,
.that-reference-panel .connector-hit.is-start {
  fill: rgba(255, 255, 255, 0.12);
  stroke: rgba(255, 255, 255, 0.55);
}

.integrated-connector-layer .connector-hit.is-inspected,
.that-reference-panel .connector-hit.is-inspected {
  fill: rgba(255, 255, 255, 0.38);
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 3.2;
}

.panel-design-storage {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(190px, 0.9fr) minmax(260px, 1.4fr);
  gap: 8px 10px;
  align-items: end;
  min-width: 0;
  margin-top: 0;
  border: 1px solid #3b372f;
  border-radius: 3px;
  padding: 8px;
  background: linear-gradient(180deg, var(--panel-metal-light) 0%, var(--panel-metal) 72%, #beb5a3 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.68), inset 0 -1px 0 rgba(0,0,0,0.18);
}

.panel-design-storage .control-row,
.design-file-row {
  min-width: 0;
  margin-bottom: 0;
}

.panel-design-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, 1fr));
  gap: 6px;
}

.panel-design-buttons button {
  width: 100%;
  margin-top: 0;
  min-height: 32px;
  padding: 4px 6px;
}

#designFileInput {
  width: 100%;
  min-height: 32px;
  border: 1px solid #2d2a24;
  border-radius: 2px;
  background: #f4eedf;
  padding: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.design-storage-status {
  grid-column: 1 / -1;
  min-height: 30px;
  padding: 7px 9px;
  border: 1px solid #3b372f;
  border-radius: 3px;
  background: #e8dec9;
  color: var(--ink-muted);
  font-size: 0.82rem;
  white-space: pre-wrap;
}

.design-storage-status[data-valid="false"] {
  background: #f3dfb9;
  border-color: #8a5c19;
  color: #4b2f09;
}

.scope-card {
  background: linear-gradient(180deg, var(--panel-metal-light) 0%, var(--panel-metal) 72%, #beb5a3 100%);
  color: var(--ink-dark);
  border-color: #3b372f;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.68), inset 0 -1px 0 rgba(0,0,0,0.18), 0 2px 0 rgba(0,0,0,0.36);
}

.scope-card h2,
.scope-card label,
.scope-card .microcopy,
.scope-card .scope-legend {
  color: #24221d;
}

.scope-card .control-row select,
.scope-card .control-row input[type="number"] {
  background: #f4eedf;
  color: #161510;
}

.scope-card .output-port-pill {
  background: #f4eedf;
  color: #4e4b42;
  border-color: #3b372f;
}

.scope-card .output-port-pill[data-wired="true"] {
  color: #111;
  background: #caa15c;
  border-color: #251f12;
}

.scope-card canvas,
.device-side-panel .scope-card canvas {
  border: 8px solid #171610;
  background: #08150e;
  box-shadow: inset 0 0 28px rgba(118,255,122,0.16), 0 2px 0 rgba(0,0,0,0.45);
}

@media (max-width: 1240px) {
  .panel-design-storage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .panel-design-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* v103 patch-editor audit: show the sockets used by the loaded patch, but do not label handles as IN/OUT. */
.integrated-connector-layer .connector-hit.is-patch-endpoint,
.that-reference-panel .connector-hit.is-patch-endpoint {
  fill: rgba(255, 255, 255, 0.08);
  stroke: rgba(255, 255, 255, 0.42);
  stroke-width: 2.8;
}

.integrated-handle-layer .endpoint-handle-label,
.that-reference-panel .endpoint-handle-label {
  display: none;
}