fusible 0.18.0

Electronic linter: a fuse that blows to block firmware code generation
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  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Fusible Studio</title>
  <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='%2388A888' d='M5 3h14v2H5zm0 16h14v2H5zM3 5h2v14H3zm16 0h2v14h-2zM9 7h6v2H9zm0 8h6v2H9zM7 9h2v6H7zm8 0h2v6h-2zm-4-8h2v2h-2zm0 20h2v2h-2zM1 11h2v2H1zm20 0h2v2h-2zm0-4h2v2h-2zm0 8h2v2h-2zM1 15h2v2H1zm0-8h2v2H1zm6-6h2v2H7zm8 0h2v2h-2zm0 20h2v2h-2zm-8 0h2v2H7z'/%3E%3C/svg%3E">
  <link rel="stylesheet" href="/theme.css">
  <script type="module" src="/studio.bundle.js"></script>
  <style>
    .tscircuit-schematic {
      background-color: var(--bg) !important;
    }
    .tscircuit-schematic text {
      font-family: 'Undefined', monospace !important;
    }
    #schematic-container [data-circuit-json-type="schematic_component"] text.sch-text {
      fill: var(--text) !important;
    }
    #schematic-container text.sch-text[fill="rgb(132, 0, 0)"] {
      fill: var(--green) !important;
    }
    #pcb-container > div,
    #pcb-container canvas,
    #schematic-container > div {
      width: 100% !important;
      height: 100% !important;
      display: block;
    }
    @font-face {
      font-family: 'Undefined';
      src: url('/undefined-medium.otf') format('opentype');
      font-weight: normal;
      font-style: normal;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-weight: normal !important;
      font-synthesis: none;
    }
    :root {
      --gutter: 12px;
      --sidebar-width: 340px;
    }
    body {
      font-family: 'Undefined', monospace;
      background: var(--bg);
      color: var(--text);
      height: 100vh;
      overflow: hidden;
      user-select: none;
    }
    button {
      font: inherit;
      color: inherit;
    }
    :focus-visible {
      outline: 1px solid var(--green);
      outline-offset: 2px;
    }
    #sidebar, #sidebar *, .sidebar-pane, .sidebar-pane *, .check-item, .check-item *, code, pre {
      user-select: text !important;
      -webkit-user-select: text !important;
    }
    .floating {
      position: absolute;
      z-index: 20;
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 4px;
      background: var(--glass);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      user-select: none !important;
    }
    .floating-views {
      top: var(--gutter);
      right: var(--gutter);
    }
    .floating-dock {
      bottom: var(--gutter);
      left: 50%;
      transform: translateX(-50%);
    }
    .floating-status {
      bottom: var(--gutter);
      left: var(--gutter);
      gap: 4px;
      padding: 4px 4px 4px 10px;
      font-size: 11px;
      letter-spacing: 0.05em;
    }
    .panel-open {
      display: none !important;
    }
    body.sidebar-collapsed .panel-open {
      display: inline-flex !important;
    }
    .dock-divider {
      width: 1px;
      height: 18px;
      margin: 0 4px;
      background: var(--border);
    }
    .brand-logo {
      font-size: 16px;
      color: var(--green);
      display: inline-flex;
      align-items: center;
    }
    .board-name {
      color: var(--text);
      max-width: 220px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      text-transform: uppercase;
      padding: 0 6px;
    }
    .fuse-badge {
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      font-size: 11px;
      letter-spacing: 0.05em;
      border: none;
      cursor: pointer;
      transition: filter 0.15s ease;
    }
    .fuse-badge:hover {
      filter: brightness(1.25);
    }
    .fuse-intact {
      background: color-mix(in srgb, var(--green) 14%, transparent);
      color: var(--green);
    }
    .fuse-blown {
      background: color-mix(in srgb, var(--alert) 18%, transparent);
      color: var(--alert);
      animation: fusePulse 1.5s infinite;
    }
    @keyframes fusePulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.6; }
    }
    .live {
      display: inline-flex;
      align-items: center;
      padding: 0 6px;
    }
    .status-dot {
      width: 6px;
      height: 6px;
      background: var(--green);
    }
    .tab-btn,
    .btn {
      white-space: nowrap;
      background: transparent;
      border: none;
      color: var(--text-subtle);
      height: 30px;
      padding: 0 12px;
      font-size: 11px;
      letter-spacing: 0.05em;
      cursor: pointer;
      transition: color 0.15s ease, background 0.15s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .tab-btn:hover,
    .btn:hover {
      color: var(--text);
      background: var(--surface-hover);
    }
    .tab-btn.active {
      background: var(--green);
      color: var(--on-green);
    }
    .btn.icon-only {
      width: 30px;
      padding: 0;
      justify-content: center;
    }
    .btn.is-on {
      color: var(--green);
      background: color-mix(in srgb, var(--green) 14%, transparent);
    }
    .controls {
      display: flex;
      align-items: center;
      gap: 2px;
    }
    @container viewport (max-width: 900px) {
      .board-name {
        display: none;
      }
    }
    @container viewport (max-width: 640px) {
      .btn .btn-label {
        display: none;
      }
    }
    @container viewport (max-width: 560px) {
      .tab-btn span,
      #fuse-text {
        display: none;
      }
    }
    #mechanical-container {
      background: var(--bg);
    }
    #mechanical-container .mechanical-status {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      max-width: min(560px, calc(100% - 32px));
      background: var(--surface);
      padding: 24px;
      line-height: 1.5;
      white-space: pre-wrap;
      pointer-events: none;
    }
    #assembly-container {
      background: var(--bg);
    }
    #assembly-container .assembly-status {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      max-width: min(560px, calc(100% - 32px));
      background: var(--surface);
      padding: 24px;
      gap: 16px;
      line-height: 1.5;
      white-space: pre-wrap;
    }
    .assembly-build {
      background: var(--green);
      color: var(--on-green);
    }
    .assembly-build:hover {
      background: var(--green);
      color: var(--on-green);
      filter: brightness(1.1);
    }
    .assembly-list {
      position: absolute;
      top: 64px;
      right: var(--gutter);
      width: min(320px, calc(100% - 2 * var(--gutter)));
      max-height: calc(100% - 160px);
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      background: var(--glass);
      box-shadow: var(--shadow);
      font-size: 11px;
      letter-spacing: 0.05em;
    }
    .tab-btn[hidden] {
      display: none;
    }
    .assembly-list[hidden] {
      display: none;
    }
    .assembly-head {
      padding: 10px 12px;
      color: var(--green);
    }
    .assembly-head.is-blown {
      color: var(--alert);
    }
    .assembly-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 10px 12px;
      border: none;
      background: transparent;
      color: var(--text-subtle);
      font: inherit;
      letter-spacing: inherit;
      text-align: left;
      cursor: pointer;
    }
    .assembly-item:hover,
    .assembly-item.active {
      background: var(--surface-hover);
      color: var(--text);
    }
    .assembly-rule {
      color: var(--alert);
    }
    #project {
      width: 232px;
      flex-shrink: 0;
      padding: var(--gutter) 0 var(--gutter) var(--gutter);
      z-index: 10;
    }
    #project[hidden] {
      display: none;
    }
    .project-card {
      height: 100%;
      background: var(--surface);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .project-title {
      padding: 14px 16px 8px;
      font-size: 11px;
      letter-spacing: 0.05em;
      color: var(--green);
    }
    #project-tree {
      flex: 1;
      overflow-y: auto;
      padding-bottom: 8px;
    }
    .tree-group {
      padding: 14px 16px 6px;
      font-size: 10px;
      letter-spacing: 0.05em;
      color: var(--text-subtle);
    }
    .tree-item {
      display: flex;
      align-items: center;
      gap: 4px;
      min-height: 34px;
      padding: 4px 8px 4px 16px;
      font-size: 11px;
    }
    .tree-select {
      display: flex;
      flex: 1;
      min-width: 0;
      align-items: center;
      gap: 8px;
      min-height: 26px;
      padding: 0;
      background: transparent;
      border: none;
      color: inherit;
      font: inherit;
      font-size: 11px;
      text-align: left;
      cursor: pointer;
    }
    .tree-item:hover {
      background: var(--surface-hover);
    }
    .tree-item.selected {
      background: var(--green);
      color: var(--on-green);
    }
    .tree-dot {
      width: 8px;
      height: 8px;
      flex-shrink: 0;
      background: var(--text-subtle);
    }
    .tree-dot.ok {
      background: var(--green);
    }
    .tree-dot.blown {
      background: var(--alert);
    }
    .tree-dot.authored {
      background: var(--blue);
    }
    .tree-dot.generated {
      background: var(--olive);
    }
    .tree-name {
      flex: 1;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .tree-sub {
      font-size: 9px;
      letter-spacing: 0.05em;
      color: var(--text-subtle);
      white-space: nowrap;
    }
    .tree-item.selected .tree-dot {
      background: var(--on-green);
    }
    .tree-item.selected .tree-sub {
      color: color-mix(in srgb, var(--on-green) 60%, transparent);
    }
    .tree-run {
      width: 22px;
      height: 22px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: none;
      color: var(--text-subtle);
      cursor: pointer;
    }
    .tree-run:hover {
      color: var(--text);
      background: var(--surface-hover);
    }
    .tree-item.selected .tree-run {
      color: var(--on-green);
    }
    .project-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 8px 0 0;
    }
    .project-head .project-title {
      padding: 6px 16px;
    }
    .tree-open {
      display: none !important;
    }
    body.has-project.tree-collapsed .tree-open {
      display: inline-flex !important;
    }
    body.tree-collapsed #project {
      display: none;
    }
    #tree-scrim {
      display: none;
    }
    @media (max-width: 900px) {
      #project {
        display: none;
      }
      body.has-project .tree-open {
        display: inline-flex !important;
      }
      body.tree-drawer-open #project:not([hidden]) {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 40;
      }
      body.tree-drawer-open #tree-scrim {
        display: block;
        position: absolute;
        inset: 0;
        z-index: 35;
        background: rgba(0, 0, 0, 0.55);
      }
    }
    #bom-view {
      position: absolute;
      inset: var(--gutter) var(--gutter) 64px var(--gutter);
      z-index: 15;
      display: none;
      flex-direction: column;
      overflow: auto;
      background: var(--surface);
      box-shadow: var(--shadow);
      scrollbar-width: none;
    }
    #bom-view::-webkit-scrollbar {
      display: none;
    }
    #sidebar, #sidebar * {
      scrollbar-width: none;
    }
    #sidebar::-webkit-scrollbar, #sidebar *::-webkit-scrollbar {
      display: none;
    }
    body.bom-open #bom-view:not([hidden]) {
      display: flex;
    }
    body.bom-open #viewport-grid,
    body.bom-open .view-host,
    body.bom-open #studio-status,
    body.bom-open .floating-views,
    body.bom-open .floating-dock,
    body.bom-open #hover-tooltip,
    body.bom-open #sidebar {
      display: none !important;
    }
    .bom-head {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
      padding: 20px 24px 4px;
    }
    .bom-head .fw-title {
      font-size: 14px;
      letter-spacing: 0.08em;
    }
    .bom-sum {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 12px;
      padding: 16px 24px 8px;
    }
    .bom-sum > div {
      background: var(--bg);
      padding: 14px 16px;
      font-size: 9px;
      letter-spacing: 0.08em;
      color: var(--text-subtle);
    }
    .bom-sum span {
      display: block;
      margin-bottom: 8px;
    }
    .bom-sum b {
      font-weight: normal;
      font-size: 18px;
      letter-spacing: 0.02em;
      color: var(--text);
    }
    .bom-sum b i {
      font-style: normal;
      font-size: 10px;
      color: var(--text-subtle);
    }
    .bom-sum > div.bom-grand {
      background: color-mix(in srgb, var(--green) 14%, transparent);
    }
    .bom-sum > div.bom-grand b {
      color: var(--green);
    }
    .bom-warn {
      margin: 8px 24px 0;
      padding: 8px 12px;
      font-size: 10px;
      letter-spacing: 0.05em;
      color: var(--alert);
      background: color-mix(in srgb, var(--alert) 10%, transparent);
    }
    .bom-warn.bom-note {
      color: var(--olive);
      background: color-mix(in srgb, var(--olive) 10%, transparent);
    }
    .bom-warn:empty {
      display: none;
    }
    .bom-settings {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      gap: 12px 20px;
      padding: 16px 24px 8px;
      font-size: 9px;
      letter-spacing: 0.08em;
      color: var(--text-subtle);
    }
    .bom-settings input:not([type="checkbox"]) {
      background: var(--bg) !important;
    }
    .bom-settings select {
      background: var(--bg);
      color: var(--text);
      border: none;
      font: inherit;
      padding: 5px 8px;
      cursor: pointer;
    }
    .bom-settings select:focus-visible {
      outline: none;
      box-shadow: inset 2px 0 0 var(--green);
    }
    .bom-settings .btn {
      height: 28px;
      background: var(--bg);
      color: var(--green);
    }
    .bom-settings .bom-num {
      width: 88px;
    }
    .bom-settings label {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .bom-settings .bom-add {
      flex: 1;
      min-width: 200px;
    }
    .bom-scroll {
      padding: 0 24px 24px;
    }
    .bom-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0 2px;
      table-layout: fixed;
      font-size: 11px;
    }
    .bom-table th {
      position: sticky;
      top: 0;
      z-index: 1;
      padding: 10px 10px;
      font-size: 9px;
      font-weight: normal;
      letter-spacing: 0.08em;
      text-align: left;
      color: var(--text-subtle);
      background: var(--surface);
    }
    .bom-table th.bom-r,
    .bom-table td.bom-r {
      text-align: right;
    }
    .bom-table th:nth-child(2),
    .bom-table th:nth-child(4),
    .bom-table th:nth-child(5),
    .bom-table th:nth-child(6) {
      padding-left: 18px;
      padding-right: 18px;
    }
    .bom-table th:nth-child(7) {
      padding-right: 10px;
    }
    .bom-table th:nth-child(1) { width: 32px; }
    .bom-table th:nth-child(2) { width: 64px; }
    .bom-table th:nth-child(4) { width: 110px; }
    .bom-table th:nth-child(5) { width: 160px; }
    .bom-table th:nth-child(6) { width: 100px; }
    .bom-table th:nth-child(7) { width: 80px; }
    .bom-table th:nth-child(8) { width: 30px; }
    .bom-table td {
      padding: 9px 10px;
      vertical-align: middle;
      background: var(--bg);
    }
    .bom-table tr.bom-group td {
      padding: 18px 10px 6px;
      font-size: 9px;
      letter-spacing: 0.1em;
      color: var(--text-subtle);
      background: transparent;
    }
    .bom-table tr.bom-group b {
      font-weight: normal;
      color: var(--green);
    }
    .bom-table tr[data-id]:hover td {
      background: var(--surface-hover);
    }
    .bom-table tr.off td {
      opacity: 0.4;
    }
    .bom-table tr[data-id] td:first-child {
      text-align: center;
    }
    .bom-table td input:not([type="checkbox"]) {
      width: 100%;
      min-width: 0;
    }
    #bom-view input[type="number"] {
      appearance: textfield;
      -moz-appearance: textfield;
    }
    #bom-view input[type="number"]::-webkit-inner-spin-button,
    #bom-view input[type="number"]::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    #bom-view input[type="checkbox"] {
      accent-color: var(--green);
      cursor: pointer;
    }
    #bom-view input:not([type="checkbox"]),
    #bom-view select,
    .bom-settings .btn {
      height: 32px;
    }
    #bom-view input:not([type="checkbox"]) {
      background: var(--surface);
      border: none;
      color: var(--text);
      font: inherit;
      padding: 5px 8px;
    }
    #bom-view input:not([type="checkbox"])::placeholder {
      color: var(--text-subtle);
      font-style: italic;
    }
    #bom-view input:not([type="checkbox"]):hover {
      background: var(--surface-hover);
    }
    #bom-view input:focus-visible {
      outline: none;
      background: var(--surface-hover);
      box-shadow: inset 2px 0 0 var(--green);
    }
    .bom-num {
      width: 100%;
      text-align: right;
    }
    .bom-wide {
      width: 100%;
      min-width: 140px;
    }
    .bom-name {
      color: var(--text);
    }
    .bom-unit {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .bom-unit input {
      flex: 1;
    }
    .bom-unit span {
      color: var(--text-subtle);
    }
    .bom-link {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .bom-link input {
      flex: 1;
      min-width: 0;
    }
    .bom-link .btn.icon-only {
      flex-shrink: 0;
      width: 32px;
      height: 32px;
      background: var(--surface);
      color: var(--blue);
    }
    .bom-refs {
      margin-top: 3px;
      font-size: 9px;
      letter-spacing: 0.05em;
      color: var(--text-subtle);
      overflow-wrap: anywhere;
    }
    .bom-refs a,
    .bom-table td a {
      color: var(--blue);
      text-decoration: none;
    }
    .bom-refs a:hover,
    .bom-table td a:hover {
      text-decoration: underline;
    }
    .bom-total {
      white-space: nowrap;
      text-align: right;
      color: var(--green);
    }
    .bom-empty {
      padding: 32px 10px;
      text-align: center;
      color: var(--text-subtle);
      letter-spacing: 0.08em;
    }
    .fw-head {
      padding: 14px 16px 10px;
    }
    .fw-title {
      font-size: 12px;
      letter-spacing: 0.05em;
      color: var(--green);
    }
    .fw-meta,
    .fw-file {
      margin-top: 4px;
      font-size: 10px;
      letter-spacing: 0.05em;
      color: var(--text-subtle);
      overflow-wrap: anywhere;
    }
    .fw-file {
      padding: 0 16px;
    }
    .fw-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 10px;
    }
    .fw-actions .btn:disabled {
      opacity: 0.4;
      cursor: default;
    }
    .fw-summary {
      margin: 8px 16px 0;
      font-size: 10px;
      letter-spacing: 0.05em;
    }
    .fw-summary.blown,
    .fw-error {
      color: var(--alert);
    }
    .fw-error {
      padding: 0 16px;
      font-size: 11px;
      line-height: 1.5;
    }
    .fw-pin {
      display: flex;
      width: 100%;
      background: transparent;
      border: none;
      color: inherit;
      font: inherit;
      text-align: left;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 2px 8px;
      padding: 6px 16px;
      font-size: 11px;
      cursor: pointer;
    }
    .fw-pin:hover {
      background: var(--surface-hover);
    }
    .fw-pin.selected {
      background: color-mix(in srgb, var(--green) 14%, transparent);
    }
    .fw-pin.blown {
      background: color-mix(in srgb, var(--alert) 12%, transparent);
    }
    .fw-pin-name {
      min-width: 56px;
      color: var(--olive);
    }
    .fw-net {
      flex: 1;
      min-width: 0;
      overflow-wrap: anywhere;
    }
    .fw-remote,
    .fw-rust {
      font-size: 9px;
      letter-spacing: 0.05em;
      color: var(--text-subtle);
    }
    .fw-rust {
      flex-basis: 100%;
      padding-left: 64px;
    }
    .fw-violation {
      display: block;
      flex-basis: 100%;
      padding-left: 64px;
      color: var(--alert);
      line-height: 1.4;
    }
    #runs-toolbar {
      display: flex;
      gap: 2px;
      padding: 4px;
    }
    #runs-toolbar .btn {
      flex: 1;
      justify-content: center;
    }
    #runs-toolbar .btn:disabled {
      opacity: 0.4;
      cursor: default;
    }
    #run-list {
      max-height: 168px;
      overflow-y: auto;
    }
    .run-item {
      display: flex;
      width: 100%;
      gap: 8px;
      align-items: center;
      padding: 6px 16px;
      background: transparent;
      border: none;
      color: inherit;
      font: inherit;
      font-size: 11px;
      text-align: left;
      cursor: pointer;
    }
    #run-error {
      padding: 8px 16px;
      color: var(--alert);
      font-size: 11px;
      line-height: 1.4;
      background: color-mix(in srgb, var(--alert) 10%, transparent);
    }
    #run-error[hidden] {
      display: none;
    }
    .run-item:hover {
      background: var(--surface-hover);
    }
    .run-item.selected {
      background: color-mix(in srgb, var(--green) 14%, transparent);
    }
    .run-status {
      font-size: 9px;
      letter-spacing: 0.05em;
      min-width: 74px;
    }
    .run-status.ok {
      color: var(--green);
    }
    .run-status.running {
      color: var(--olive);
    }
    .run-status.fuse_blown,
    .run-status.error {
      color: var(--alert);
    }
    #run-log {
      flex: 1;
      min-height: 0;
      margin: 8px 0 0;
      padding: 12px 16px;
      overflow: auto;
      background: var(--bg);
      color: var(--text-body);
      font: inherit;
      font-size: 11px;
      line-height: 1.5;
      white-space: pre-wrap;
      word-break: break-word;
    }
    #pane-runs.active {
      display: flex;
      flex-direction: column;
      min-height: 0;
    }
    main {
      height: 100%;
      display: flex;
      position: relative;
      overflow: hidden;
    }
    #viewport-container {
      flex: 1;
      min-width: 0;
      container: viewport / inline-size;
      position: relative;
      background: var(--bg);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .view-host {
      position: absolute;
      inset: 0;
      z-index: 2;
      display: none;
    }
    .studio-status {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 5;
      max-width: min(560px, calc(100% - 32px));
      padding: 24px;
      background: var(--surface);
      color: var(--text-subtle);
      font-size: 11px;
      letter-spacing: 0.05em;
      text-align: center;
    }
    #viewport-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(to right, color-mix(in srgb, var(--green) 7%, transparent) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in srgb, var(--green) 7%, transparent) 1px, transparent 1px);
      background-size: 32px 32px;
      pointer-events: none;
    }
    #sidebar {
      width: calc(var(--sidebar-width) + var(--gutter));
      flex-shrink: 0;
      padding: var(--gutter) var(--gutter) var(--gutter) 0;
      overflow: hidden;
      z-index: 10;
      transition: width 0.22s ease, padding 0.22s ease;
    }
    .sidebar-card {
      width: var(--sidebar-width);
      height: 100%;
      background: var(--surface);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      transition: opacity 0.18s ease, transform 0.22s ease;
    }
    body.sidebar-collapsed #sidebar {
      width: 0;
      padding-right: 0;
    }
    body.sidebar-collapsed .sidebar-card {
      opacity: 0;
      transform: translateX(16px);
      pointer-events: none;
    }
    @media (max-width: 900px) {
      #sidebar {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 30;
      }
    }
    .sidebar-tabs {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 4px;
    }
    .sidebar-tab-btn {
      flex: 1;
      height: 28px;
      padding: 0 4px;
      background: transparent;
      border: none;
      color: var(--text-subtle);
      font-size: 10px;
      letter-spacing: 0.05em;
      cursor: pointer;
      transition: color 0.15s, background 0.15s;
    }
    .sidebar-tab-btn:hover {
      color: var(--text);
      background: var(--surface-hover);
    }
    .sidebar-tab-btn.active {
      color: var(--green);
      background: color-mix(in srgb, var(--green) 12%, transparent);
    }
    .sidebar-tabs .btn.icon-only {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
    }
    .sidebar-pane {
      display: none;
      flex: 1;
      overflow-y: auto;
      flex-direction: column;
    }
    .sidebar-pane.active {
      display: flex;
    }
    .inspector-card {
      padding: 14px 16px;
    }
    .inspector-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 12px;
      padding-bottom: 8px;
    }
    .inspector-name {
      font-size: 14px;
      color: var(--green);
      letter-spacing: 0.05em;
    }
    .inspector-type {
      font-size: 10px;
      color: var(--olive);
      text-transform: uppercase;
    }
    .prop-row {
      display: flex;
      justify-content: space-between;
      padding: 4px 0;
      font-size: 11px;
    }
    .prop-key {
      color: var(--text-subtle);
    }
    .prop-val {
      color: var(--text-body);
      font-family: monospace;
    }
    .pins-list {
      margin-top: 12px;
    }
    .pins-title {
      font-size: 10px;
      color: var(--olive);
      letter-spacing: 0.05em;
      margin-bottom: 6px;
    }
    .pin-item {
      display: flex;
      justify-content: space-between;
      padding: 3px 6px;
      font-size: 10px;
      background: var(--surface-hover);
      margin-bottom: 3px;
      cursor: pointer;
    }
    .pin-item:hover {
      color: var(--blue);
    }
    .pin-net {
      color: var(--blue);
    }
    .comp-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 16px;
      font-size: 11px;
      cursor: pointer;
      transition: background 0.1s;
    }
    .comp-item:hover {
      background: var(--surface-hover);
      color: var(--green);
    }
    .comp-item.selected {
      background: color-mix(in srgb, var(--green) 12%, transparent);
    }
    .comp-sub {
      color: var(--text-subtle);
      font-size: 10px;
    }
    .net-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 16px;
      font-size: 11px;
      cursor: pointer;
      color: var(--text-body);
    }
    .net-item:hover {
      background: var(--surface-hover);
      color: var(--blue);
    }
    .net-item.selected {
      background: color-mix(in srgb, var(--blue) 12%, transparent);
    }
    .diag-card {
      background: color-mix(in srgb, var(--alert) 6%, transparent);
      padding: 10px;
      margin: 12px 16px;
      font-size: 11px;
    }
    .diag-title {
      color: var(--alert);
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .diag-body {
      color: var(--text-body);
      line-height: 1.4;
      white-space: pre-wrap;
    }
    .diag-help {
      color: var(--olive);
      margin-top: 4px;
      line-height: 1.3;
    }
    .empty-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 24px 8px;
      color: var(--text-subtle);
      font-size: 11px;
      letter-spacing: 0.05em;
      text-align: center;
    }
    .hover-tooltip {
      position: fixed;
      z-index: 1000;
      pointer-events: none;
      background: var(--glass);
      padding: 8px 12px;
      font-size: 11px;
      line-height: 1.4;
      color: var(--text);
      max-width: 280px;
      box-shadow: 0 4px 16px rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      display: none;
    }
    .tooltip-title {
      color: var(--green);
      margin-bottom: 2px;
      letter-spacing: 0.05em;
    }
    .tooltip-meta {
      color: var(--olive);
      font-size: 10px;
      margin-bottom: 4px;
    }
    .tooltip-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--text-subtle);
      font-size: 10px;
      margin-top: 2px;
    }
    .tooltip-val {
      color: var(--text-body);
      font-family: monospace;
    }
    iconify-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      vertical-align: middle;
      font-size: 13px;
    }
    #viewport-container :is(button, input, select, kbd, textarea, label) {
      font-family: 'Undefined', monospace !important;
    }
    #viewport-container :is(input[type="checkbox"], input[type="radio"]) {
      accent-color: var(--green);
    }
    [role="menu"],
    [data-radix-menu-content],
    [data-toolbar-overlay] div[style*="position: absolute"] {
      background: var(--glass) !important;
      background-image: none !important;
      color: var(--text) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
      backdrop-filter: blur(12px) !important;
      -webkit-backdrop-filter: blur(12px) !important;
      padding: 4px !important;
      font-family: 'Undefined', monospace !important;
      font-size: 11px !important;
      letter-spacing: 0.05em;
    }
    [role="menu"] *,
    [data-toolbar-overlay] div[style*="position: absolute"] * {
      font-family: 'Undefined', monospace !important;
      background-image: none !important;
    }
    [role="menu"] div:not([role]),
    [role="menu"] span,
    [role="menu"] kbd {
      background-color: transparent !important;
      border: none !important;
      box-shadow: none !important;
    }
    [role="menu"] kbd,
    [role="menu"] span[style*="border"] {
      color: var(--text-subtle) !important;
    }
    [role="menuitem"],
    [role="menuitemcheckbox"],
    [role="menuitemradio"],
    [data-toolbar-overlay] div[style*="position: absolute"] div[style*="cursor: pointer"] {
      background: transparent !important;
      color: var(--text-body) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: none !important;
      backdrop-filter: none !important;
      font-size: 11px !important;
      padding: 6px 10px !important;
      height: auto !important;
    }
    [role="menuitem"]:is(:hover, :focus-visible, [data-highlighted]),
    [role="menuitemcheckbox"]:is(:hover, :focus-visible, [data-highlighted]),
    [role="menuitemradio"]:is(:hover, :focus-visible, [data-highlighted]),
    [data-toolbar-overlay] div[style*="position: absolute"] div[style*="cursor: pointer"]:hover {
      background: var(--surface-hover) !important;
      color: var(--green) !important;
    }
    [role="separator"] {
      height: 1px !important;
      margin: 4px 0 !important;
      background: var(--border-subtle) !important;
      border: none !important;
    }
    [data-toolbar-overlay] {
      font-family: 'Undefined', monospace !important;
      gap: 4px !important;
      align-items: flex-start !important;
    }
    [data-toolbar-overlay] div[style*="cursor: pointer"],
    #schematic-container button,
    [data-schematic-warnings] {
      background: var(--glass) !important;
      color: var(--text-subtle) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
      backdrop-filter: blur(12px) !important;
      -webkit-backdrop-filter: blur(12px) !important;
      font-size: 11px !important;
      letter-spacing: 0.05em !important;
      outline: none;
      transition: background 0.15s ease, color 0.15s ease !important;
    }
    [data-toolbar-overlay] div[style*="cursor: pointer"] {
      padding: 7px 10px !important;
    }
    [data-toolbar-overlay] div[style*="cursor: pointer"]:hover,
    #schematic-container button:hover {
      background: var(--surface-hover) !important;
      color: var(--text) !important;
    }
    #schematic-container [data-schematic-warnings] {
      color: var(--alert) !important;
    }
    #schematic-container [data-schematic-warnings]:hover,
    #schematic-container [data-schematic-warnings][aria-pressed="true"] {
      background: color-mix(in srgb, var(--alert) 18%, transparent) !important;
    }
    [data-schematic-search] > div {
      background: var(--glass) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
      backdrop-filter: blur(12px) !important;
      -webkit-backdrop-filter: blur(12px) !important;
      color: var(--text) !important;
    }
    [data-schematic-search] * {
      border-color: transparent !important;
      font-family: 'Undefined', monospace !important;
    }
    [data-schematic-search] input {
      background: transparent !important;
      color: var(--text) !important;
      font-size: 11px !important;
    }
    [data-schematic-search] input::placeholder,
    [data-schematic-search] svg {
      color: var(--text-subtle) !important;
    }
    [data-schematic-search] kbd {
      background: var(--surface-hover) !important;
      color: var(--text-subtle) !important;
      border-radius: 0 !important;
    }
    #schematic-container [data-schematic-search] button[aria-label="Clear search"] {
      background: transparent !important;
      box-shadow: none !important;
    }
    #schematic-container div[style*="pointer-events: none"] {
      background: transparent !important;
      box-shadow: none !important;
    }
    #schematic-container div[style*="rgba(255, 255, 255"] {
      background-color: var(--glass) !important;
      color: var(--text) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
      font-family: 'Undefined', monospace !important;
    }
    #schematic-container dl,
    #schematic-container dl * {
      font-family: 'Undefined', monospace !important;
      color: var(--text-body) !important;
    }
    #schematic-container dt {
      color: var(--text-subtle) !important;
      font-size: 10px !important;
    }
    #schematic-container dd {
      color: var(--green) !important;
      font-size: 11px !important;
    }
    .schematic-warning,
    .schematic-warning * {
      font-family: 'Undefined', monospace !important;
    }
    .schematic-warning [data-warning-reference="callout"] {
      background: var(--surface) !important;
      color: var(--text) !important;
      border: none !important;
      border-left: 2px solid var(--alert) !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
    }
    #three-cad div[style*="background-color: white"],
    #three-cad div[style*="background-color: rgb(255, 255, 255)"] {
      background-color: var(--glass) !important;
      color: var(--text) !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: var(--shadow) !important;
      font-family: 'Undefined', monospace !important;
      font-size: 11px !important;
      padding: 6px 10px !important;
    }
    #three-cad div[style*="background-color: white"] *,
    #three-cad div[style*="background-color: rgb(255, 255, 255)"] * {
      color: var(--text) !important;
    }
  </style>
</head>
<body>
  <main>
    <div id="tree-scrim"></div>
    <nav id="project" hidden aria-label="Project">
      <div class="project-card">
        <div class="project-head">
          <div class="project-title" id="project-title"></div>
          <button class="btn icon-only" id="tree-close" title="Hide project ([)" aria-label="Hide project"><iconify-icon icon="pixelarticons:chevron-left"></iconify-icon></button>
        </div>
        <div id="project-tree"></div>
        <div id="sync-view" hidden></div>
      </div>
    </nav>
    <div id="viewport-container">
      <div id="viewport-grid"></div>
      <div id="schematic-container" class="view-host"></div>
      <div id="pcb-container" class="view-host"></div>
      <div id="three-cad" class="view-host"></div>
      <div id="mechanical-container" class="view-host"></div>
      <div id="assembly-container" class="view-host"></div>
      <div id="studio-status" class="studio-status" hidden></div>
      <section id="bom-view" aria-label="Parts and costs" hidden></section>

      <nav class="floating floating-views" aria-label="Views">
        <button class="tab-btn active" data-view="schematic" onclick="switchView('schematic')" title="Schematic (1)"><iconify-icon icon="pixelarticons:git-commit"></iconify-icon><span>SCHEMATIC</span></button>
        <button class="tab-btn" data-view="pcb" onclick="switchView('pcb')" title="PCB layout (2)"><iconify-icon icon="pixelarticons:grid"></iconify-icon><span>PCB</span></button>
        <button class="tab-btn" data-view="3d" onclick="switchView('3d')" title="3D view (3)"><iconify-icon icon="pixelarticons:globe"></iconify-icon><span>3D</span></button>
        <button class="tab-btn" data-view="mechanical" onclick="switchView('mechanical')" title="Bodies (4)"><iconify-icon icon="pixelarticons:box"></iconify-icon><span>BODIES</span></button>
        <button class="tab-btn" id="tab-assembly" data-view="assembly" onclick="switchView('assembly')" title="Assembly (5)" hidden><iconify-icon icon="pixelarticons:layers"></iconify-icon><span>ASSEMBLY</span></button>
        <span class="dock-divider panel-open"></span>
        <button class="btn panel-open" onclick="toggleSidebar(true)" title="Show panel (\)" aria-label="Show panel"><iconify-icon icon="pixelarticons:layout-sidebar-right"></iconify-icon> <span class="btn-label">PANEL</span></button>
      </nav>

      <div class="floating floating-dock" role="toolbar" aria-label="View controls">
        <div class="controls" id="controls-2d">
          <button class="btn" onclick="zoomBy(120)" title="Zoom out" aria-label="Zoom out"><iconify-icon icon="pixelarticons:zoom-out"></iconify-icon> <span class="btn-label">ZOOM OUT</span></button>
          <button class="btn" onclick="zoomBy(-120)" title="Zoom in" aria-label="Zoom in"><iconify-icon icon="pixelarticons:zoom-in"></iconify-icon> <span class="btn-label">ZOOM IN</span></button>
          <button class="btn" onclick="renderView()" title="Reset view" aria-label="Reset view"><iconify-icon icon="pixelarticons:undo"></iconify-icon> <span class="btn-label">FIT</span></button>
        </div>

        <div class="controls" id="controls-3d" style="display: none;">
          <button class="btn" onclick="setCameraPreset('TOP')" title="Top view" aria-label="Top view"><iconify-icon icon="pixelarticons:arrow-up"></iconify-icon> <span class="btn-label">TOP</span></button>
          <button class="btn" onclick="setCameraPreset('ISO')" title="Isometric view" aria-label="Isometric view"><iconify-icon icon="pixelarticons:corner-up-right"></iconify-icon> <span class="btn-label">ISO</span></button>
          <button class="btn" onclick="setCameraPreset('FRONT')" title="Front view" aria-label="Front view"><iconify-icon icon="pixelarticons:arrow-down"></iconify-icon> <span class="btn-label">FRONT</span></button>
          <button class="btn" onclick="setCameraPreset('RESET')" title="Reset camera" aria-label="Reset camera"><iconify-icon icon="pixelarticons:reload"></iconify-icon> <span class="btn-label">RESET</span></button>
          <span class="dock-divider"></span>
          <button class="btn" id="btn-mechanical-overlay" onclick="toggleMechanical('overlay')" title="Show enclosure"><iconify-icon icon="pixelarticons:box"></iconify-icon> <span class="btn-label">ENCLOSURE</span></button>
        </div>

        <div class="controls" id="controls-assembly" style="display: none;">
          <button class="btn" onclick="setCameraPreset('TOP')" title="Top view" aria-label="Top view"><iconify-icon icon="pixelarticons:arrow-up"></iconify-icon> <span class="btn-label">TOP</span></button>
          <button class="btn" onclick="setCameraPreset('ISO')" title="Isometric view" aria-label="Isometric view"><iconify-icon icon="pixelarticons:corner-up-right"></iconify-icon> <span class="btn-label">ISO</span></button>
          <button class="btn" onclick="setCameraPreset('FRONT')" title="Front view" aria-label="Front view"><iconify-icon icon="pixelarticons:arrow-down"></iconify-icon> <span class="btn-label">FRONT</span></button>
          <button class="btn" onclick="setCameraPreset('RESET')" title="Reset camera" aria-label="Reset camera"><iconify-icon icon="pixelarticons:reload"></iconify-icon> <span class="btn-label">RESET</span></button>
          <span class="dock-divider"></span>
          <button class="btn" onclick="buildAssembly()" title="Run fusible assembly" aria-label="Build assembly"><iconify-icon icon="pixelarticons:layers"></iconify-icon> <span class="btn-label">BUILD ASSEMBLY</span></button>
        </div>

        <div class="controls" id="controls-mechanical" style="display: none;">
          <button class="btn" onclick="setCameraPreset('TOP')" title="Top view" aria-label="Top view"><iconify-icon icon="pixelarticons:arrow-up"></iconify-icon> <span class="btn-label">TOP</span></button>
          <button class="btn" onclick="setCameraPreset('ISO')" title="Isometric view" aria-label="Isometric view"><iconify-icon icon="pixelarticons:corner-up-right"></iconify-icon> <span class="btn-label">ISO</span></button>
          <button class="btn" onclick="setCameraPreset('FRONT')" title="Front view" aria-label="Front view"><iconify-icon icon="pixelarticons:arrow-down"></iconify-icon> <span class="btn-label">FRONT</span></button>
          <button class="btn" onclick="setCameraPreset('RESET')" title="Reset camera" aria-label="Reset camera"><iconify-icon icon="pixelarticons:reload"></iconify-icon> <span class="btn-label">RESET</span></button>
          <span class="dock-divider"></span>
          <button class="btn" id="btn-mechanical-lid" onclick="toggleMechanical('lid')" title="Show lid"><iconify-icon icon="pixelarticons:eye"></iconify-icon> <span class="btn-label">LID</span></button>
          <button class="btn" id="btn-mechanical-explode" onclick="toggleMechanical('explode')" title="Explode enclosure"><iconify-icon icon="pixelarticons:expand"></iconify-icon> <span class="btn-label">EXPLODE</span></button>
        </div>
      </div>

      <div class="floating floating-status">
        <button class="btn tree-open" id="tree-open" title="Show project ([)" aria-label="Show project" aria-expanded="false"><iconify-icon icon="pixelarticons:layout-sidebar-left"></iconify-icon> <span class="btn-label">PROJECT</span></button>
        <iconify-icon icon="pixelarticons:cpu-sharp" class="brand-logo"></iconify-icon>
        <span class="board-name" id="board-name">BOARD PREVIEW</span>
        <span class="live" title="Live reload connected" id="live-indicator"><span class="status-dot" id="live-dot"></span></span>
        <button id="fuse-status" class="fuse-badge fuse-intact" onclick="openSidebar('checks')" title="Show checks">
          <span id="fuse-icon"><iconify-icon icon="pixelarticons:zap"></iconify-icon></span>
          <span id="fuse-text">FUSE INTACT</span>
        </button>
      </div>

      <div id="hover-tooltip" class="hover-tooltip"></div>
    </div>

    <aside id="sidebar">
      <div class="sidebar-card">
        <div class="sidebar-tabs">
          <button class="sidebar-tab-btn active" data-tab="inspector" onclick="switchSidebarTab('inspector')">INSPECT</button>
          <button class="sidebar-tab-btn" data-tab="components" onclick="switchSidebarTab('components')">PARTS</button>
          <button class="sidebar-tab-btn" data-tab="nets" onclick="switchSidebarTab('nets')">NETS</button>
          <button class="sidebar-tab-btn" data-tab="checks" onclick="switchSidebarTab('checks')">CHECKS</button>
          <button class="sidebar-tab-btn" data-tab="runs" onclick="switchSidebarTab('runs')">RUNS</button>
          <button class="sidebar-tab-btn" data-tab="pins" onclick="switchSidebarTab('pins')">PINS</button>
          <button class="btn icon-only" onclick="toggleSidebar(false)" title="Hide panel (\)" aria-label="Hide panel"><iconify-icon icon="pixelarticons:chevron-right"></iconify-icon></button>
        </div>

        <div class="sidebar-pane active" id="pane-inspector">
          <div id="inspector-content" class="inspector-card">
            <div class="empty-state">
              <span>SELECT OR HOVER A COMPONENT OR PAD TO INSPECT</span>
            </div>
          </div>
        </div>

        <div class="sidebar-pane" id="pane-components">
          <div id="components-list">
            <div class="empty-state"><span>NO COMPONENTS PARSED</span></div>
          </div>
        </div>

        <div class="sidebar-pane" id="pane-nets">
          <div id="nets-list">
            <div class="empty-state"><span>NO NETS DETECTED</span></div>
          </div>
        </div>

        <div class="sidebar-pane" id="pane-pins">
          <div id="firmware-view">
            <div class="empty-state"><span>SELECT A FIRMWARE IN THE PROJECT TREE.</span></div>
          </div>
        </div>

        <div class="sidebar-pane" id="pane-runs">
          <div id="runs-toolbar">
            <button class="btn" data-action="check">CHECK ALL</button>
            <button class="btn" data-action="build">BUILD ALL</button>
            <button class="btn" data-action="body">BODIES</button>
          </div>
          <div id="run-error" role="alert" hidden></div>
          <div id="run-list"></div>
          <pre id="run-log" aria-label="Run log"></pre>
        </div>

        <div class="sidebar-pane" id="pane-checks">
          <div id="diagnostics-panel">
            <div class="empty-state">
              <span>NO ELECTRICAL VIOLATIONS DETECTED.</span>
            </div>
          </div>
        </div>
      </div>
    </aside>
  </main>

  <script src="/project.js"></script>
  <script src="/git.js"></script>
  <script src="/firmware.js"></script>
  <script src="/bom.js"></script>
  <script src="/drawer.js"></script>
  <script src="/kicad.js"></script>
  <script>
    let currentView = 'schematic';
    let lastCircuitJson = null;
    let lastRevision = null;
    let lastBoard = '';

    const tooltip = document.getElementById('hover-tooltip');
    const hosts = {
      schematic: document.getElementById('schematic-container'),
      pcb: document.getElementById('pcb-container'),
      '3d': document.getElementById('three-cad'),
      mechanical: document.getElementById('mechanical-container'),
      assembly: document.getElementById('assembly-container'),
    };
    const renderers = {
      schematic: 'renderSchematicViewer',
      pcb: 'renderPcbViewer',
      '3d': 'render3dViewer',
    };

    let componentsMap = {};
    let netsMap = {};
    let selectedComponent = null;

    function zoomBy(deltaY) {
      const host = hosts[currentView];
      const rect = host.getBoundingClientRect();
      const target = host.querySelector('canvas') || host.querySelector('svg') || host;
      target.dispatchEvent(new WheelEvent('wheel', {
        deltaY,
        clientX: rect.left + rect.width / 2,
        clientY: rect.top + rect.height / 2,
        bubbles: true,
      }));
    }

    let mechanicalOptions = { lid: true, explode: false, overlay: false };

    function syncMechanicalButtons() {
      ['lid', 'explode', 'overlay'].forEach((option) => {
        const on = !!mechanicalOptions[option];
        const btn = document.getElementById(`btn-mechanical-${option}`);
        if (!btn) return;
        btn.classList.toggle('is-on', on);
        btn.setAttribute('aria-pressed', String(on));
      });
    }

    function syncMechanicalOverlay() {
      if (!window.Tscircuit) return;
      window.Tscircuit.setMechanicalOverlay(mechanicalOptions.overlay, currentView === '3d', hosts['3d']);
    }

    function toggleMechanical(option) {
      if (!window.Tscircuit) return;
      if (option === 'overlay') {
        mechanicalOptions.overlay = !mechanicalOptions.overlay;
        syncMechanicalOverlay();
      } else {
        mechanicalOptions[option] = window.Tscircuit.toggleMechanicalOption(option);
      }
      syncMechanicalButtons();
    }

    function initMechanical() {
      mechanicalOptions = window.Tscircuit.getMechanicalOptions();
      syncMechanicalButtons();
      syncMechanicalOverlay();
    }

    let webglAvailable = null;

    function hasWebgl() {
      if (webglAvailable === null) {
        const gl = document.createElement('canvas').getContext('webgl2') || document.createElement('canvas').getContext('webgl');
        webglAvailable = !!gl;
        gl?.getExtension('WEBGL_lose_context')?.loseContext();
      }
      return webglAvailable;
    }

    function showStatus(message) {
      const status = document.getElementById('studio-status');
      status.textContent = message;
      status.hidden = !message;
    }

    function renderView() {
      const ts = window.Tscircuit;
      if (!ts) return;
      const blocked = ['3d', 'mechanical', 'assembly'].includes(currentView) && !hasWebgl();
      showStatus(blocked ? 'WEBGL IS UNAVAILABLE. TURN ON HARDWARE ACCELERATION IN YOUR BROWSER TO USE THE 3D VIEWS.' : '');
      if (blocked) return;
      if (currentView === 'mechanical') {
        ts.renderMechanicalViewer(hosts.mechanical);
      } else if (currentView === 'assembly') {
        ts.renderAssemblyViewer(hosts.assembly);
      } else if (lastCircuitJson) {
        ts[renderers[currentView]](hosts[currentView], lastCircuitJson, (ref) => selectComponent(ref));
      }
    }

    function switchView(view) {
      currentView = view;
      document.querySelectorAll('.tab-btn').forEach(btn => {
        btn.classList.toggle('active', btn.dataset.view === view);
      });
      document.getElementById('controls-2d').style.display = view === 'schematic' || view === 'pcb' ? 'flex' : 'none';
      document.getElementById('controls-3d').style.display = view === '3d' ? 'flex' : 'none';
      document.getElementById('controls-mechanical').style.display = view === 'mechanical' ? 'flex' : 'none';
      document.getElementById('controls-assembly').style.display = view === 'assembly' ? 'flex' : 'none';
      Object.entries(hosts).forEach(([name, host]) => {
        host.style.display = name === view ? 'block' : 'none';
      });

      hideTooltip();
      syncMechanicalOverlay();
      if (view !== 'mechanical' && window.Tscircuit) window.Tscircuit.hideMechanicalViewer();
      if (view !== 'assembly' && window.Tscircuit) window.Tscircuit.hideAssemblyViewer();
      renderView();
      if (view === '3d') setCameraPreset('ISO');
      if (view === 'schematic') {
        window.dispatchEvent(new Event('resize'));
        setTimeout(() => window.dispatchEvent(new Event('resize')), 10);
      }
    }

    function buildAssembly() {
      window.Project.startRun('assembly');
    }

    async function syncAssemblyTab() {
      try {
        const response = await fetch('/api/project');
        const project = await response.json();
        const tab = document.getElementById('tab-assembly');
        tab.hidden = !project.assembly;
        if (tab.hidden && currentView === 'assembly') switchView('schematic');
      } catch (err) {
        console.warn('cannot read the project', err);
      }
    }

    function onAssemblyRun(data) {
      if (data.event !== 'run' || data.status === 'running' || !String(data.label || '').startsWith('assembly')) return;
      syncAssemblyTab();
      if (window.Tscircuit) window.Tscircuit.refreshAssembly();
    }

    syncAssemblyTab();

    function setCameraPreset(preset) {
      const ts = window.Tscircuit;
      if (!ts) return;
      if (currentView === 'mechanical') {
        ts.mechanicalCameraPreset(preset);
      } else if (currentView === 'assembly') {
        ts.assemblyCameraPreset(preset);
      } else if (window.cadCameraController) {
        ts.animateCadCameraPreset(hosts['3d'], window.cadCameraController, preset);
      }
    }

    function switchSidebarTab(tabId) {
      document.querySelectorAll('.sidebar-tab-btn').forEach(btn => {
        btn.classList.toggle('active', btn.dataset.tab === tabId);
      });
      document.querySelectorAll('.sidebar-pane').forEach(p => p.classList.remove('active'));
      const activePane = document.getElementById(`pane-${tabId}`);
      if (activePane) activePane.classList.add('active');
    }

    function toggleSidebar(open, persist = true) {
      const collapsed = !open;
      document.body.classList.toggle('sidebar-collapsed', collapsed);
      document.querySelector('.sidebar-card').inert = collapsed;
      if (!persist) return;
      try {
        localStorage.setItem('fusible.sidebarCollapsed', collapsed ? '1' : '0');
      } catch (err) {
        console.warn('cannot remember the panel state', err);
      }
    }

    function openSidebar(tabId) {
      switchSidebarTab(tabId);
      toggleSidebar(true);
    }

    try {
      if (localStorage.getItem('fusible.sidebarCollapsed') === '1') toggleSidebar(false);
    } catch (err) {}

    document.getElementById('sidebar').addEventListener('transitionend', (e) => {
      if (e.target.id === 'sidebar' && e.propertyName === 'width') {
        window.dispatchEvent(new Event('resize'));
      }
    });

    window.addEventListener('keydown', (e) => {
      if (e.ctrlKey || e.metaKey || e.altKey || e.target.closest('input, textarea, select, [contenteditable]')) return;
      const views = { '1': 'schematic', '2': 'pcb', '3': '3d', '4': 'mechanical', '5': 'assembly' };
      if (views[e.key] === 'assembly' && document.getElementById('tab-assembly').hidden) return;
      if (views[e.key]) {
        if (views[e.key] !== currentView) switchView(views[e.key]);
      } else if (e.key === '\\') {
        toggleSidebar(document.body.classList.contains('sidebar-collapsed'));
      }
    });

    function showTooltip(x, y, data) {
      if (!data) return;
      let html = `<div class="tooltip-title">${escapeHtml(data.name || data.ref || 'ELEMENT')}</div>`;
      if (data.type) html += `<div class="tooltip-meta">${escapeHtml(data.type.toUpperCase())}</div>`;
      if (data.part || data.mpn) html += `<div class="tooltip-row"><span>MPN/PART:</span><span class="tooltip-val">${escapeHtml(data.part || data.mpn)}</span></div>`;
      if (data.net) html += `<div class="tooltip-row"><span>NET:</span><span class="tooltip-val" style="color:var(--blue)">${escapeHtml(data.net)}</span></div>`;
      if (data.pos) html += `<div class="tooltip-row"><span>POS:</span><span class="tooltip-val">${data.pos}</span></div>`;
      if (data.layer) html += `<div class="tooltip-row"><span>LAYER:</span><span class="tooltip-val">${escapeHtml(data.layer)}</span></div>`;
      if (data.pins !== undefined && data.pins !== null) html += `<div class="tooltip-row"><span>PINS:</span><span class="tooltip-val">${data.pins}</span></div>`;
      if (data.extra) html += `<div class="tooltip-row"><span>INFO:</span><span class="tooltip-val">${escapeHtml(String(data.extra))}</span></div>`;

      tooltip.innerHTML = html;
      tooltip.style.left = `${x + 14}px`;
      tooltip.style.top = `${y + 14}px`;
      tooltip.style.display = 'block';
    }

    function hideTooltip() {
      tooltip.style.display = 'none';
    }

    function getElementsArray() {
      if (!lastCircuitJson) return [];
      if (Array.isArray(lastCircuitJson)) return lastCircuitJson;
      return Array.isArray(lastCircuitJson.elements) ? lastCircuitJson.elements : [];
    }

    function parseCircuitGraph() {
      componentsMap = {};
      netsMap = {};

      const elements = getElementsArray();

      const sourceCompMap = {};
      elements.filter(e => e.type === 'source_component').forEach(sc => {
        sourceCompMap[sc.source_component_id || sc.component_id] = {
          name: sc.name || sc.component_id || 'U',
          mpn: sc.manufacturer_part_number || '',
          ftype: sc.ftype || sc.kind || ''
        };
      });

      const portNetMap = {};
      elements.filter(e => e.type === 'source_port').forEach(sp => {
        portNetMap[sp.source_port_id || sp.port_id] = {
          name: sp.name || '',
          pin: sp.pin_number || ''
        };
      });

      elements.filter(e => e.type === 'source_net').forEach(sn => {
        const netName = sn.name || sn.net_id || 'NET';
        netsMap[netName] = {
          name: netName,
          count: 0
        };
      });

      elements.filter(e => e.type === 'pcb_trace').forEach(t => {
        const netName = t.connection_name;
        if (netName) {
          if (!netsMap[netName]) netsMap[netName] = { name: netName, count: 0 };
          netsMap[netName].count++;
        }
      });

      elements.filter(e => e.type === 'pcb_component').forEach(pc => {
        const src = sourceCompMap[pc.source_component_id] || {};
        const name = src.name || pc.pcb_component_id || 'COMP';
        const cx = pc.center?.x ?? pc.x ?? 0;
        const cy = pc.center?.y ?? pc.y ?? 0;
        const cw = pc.width || 4;
        const ch = pc.height || 4;

        componentsMap[name] = {
          name,
          mpn: src.mpn,
          ftype: src.ftype,
          x: cx,
          y: cy,
          w: cw,
          h: ch,
          layer: pc.layer || 'top',
          id: pc.pcb_component_id,
          sourceComponentId: pc.source_component_id,
          pcbComponentId: pc.pcb_component_id,
          schematicComponentId: null,
          pins: []
        };
      });

      if (Object.keys(componentsMap).length === 0) {
        Object.entries(sourceCompMap).forEach(([id, src]) => {
          const name = src.name || id;
          componentsMap[name] = {
            name,
            mpn: src.mpn,
            ftype: src.ftype,
            x: 0,
            y: 0,
            w: 4,
            h: 4,
            layer: 'top',
            id,
            sourceComponentId: id,
            pcbComponentId: id,
            schematicComponentId: null,
            pins: []
          };
        });
      }

      elements.filter(e => e.type === 'schematic_component').forEach(sc => {
        const src = sourceCompMap[sc.source_component_id] || {};
        const name = src.name;
        if (name && componentsMap[name]) {
          componentsMap[name].schematicComponentId = sc.schematic_component_id;
          if (sc.port_labels) {
            for (const pin in sc.port_labels) {
              componentsMap[name].pins.push({
                pin,
                net: sc.port_labels[pin]
              });
            }
          }
        }
      });

      renderComponentsList();
      renderNetsList();
    }

    function renderComponentsList() {
      const container = document.getElementById('components-list');
      const names = Object.keys(componentsMap).sort();
      if (names.length === 0) {
        container.innerHTML = '<div class="empty-state"><span>NO COMPONENTS PARSED</span></div>';
        return;
      }
      container.innerHTML = names.map(name => {
        const c = componentsMap[name];
        return `
          <div class="comp-item ${selectedComponent === name ? 'selected' : ''}" data-name="${escapeHtml(name)}">
            <div>
              <div>${escapeHtml(name)}</div>
              <div class="comp-sub">${escapeHtml(c.mpn || c.ftype || '')}</div>
            </div>
            <div class="comp-sub">(${c.x.toFixed(1)}, ${c.y.toFixed(1)})</div>
          </div>
        `;
      }).join('');
    }

    function renderNetsList() {
      const container = document.getElementById('nets-list');
      const names = Object.keys(netsMap).sort();
      if (names.length === 0) {
        container.innerHTML = '<div class="empty-state"><span>NO NETS DETECTED</span></div>';
        return;
      }
      container.innerHTML = names.map(name => `
        <div class="net-item" data-name="${escapeHtml(name)}">
          <span>${escapeHtml(name)}</span>
          <span style="color:var(--text-subtle);font-size:10px">${netsMap[name].count} segments</span>
        </div>
      `).join('');
    }

    let pinnedComponent = null;

    function findComponent(key) {
      if (!key) return null;
      if (componentsMap[key]) return componentsMap[key];
      const normalized = String(key).trim();
      if (componentsMap[normalized]) return componentsMap[normalized];
      for (const c of Object.values(componentsMap)) {
        if (
          c.name === normalized ||
          c.id === normalized ||
          c.pcbComponentId === normalized ||
          c.sourceComponentId === normalized ||
          c.schematicComponentId === normalized
        ) {
          return c;
        }
      }
      return null;
    }

    function resetInspector() {
      if (pinnedComponent) return;
      const panel = document.getElementById('inspector-content');
      if (panel) {
        panel.innerHTML = '<div class="empty-state"><span>SELECT OR HOVER A COMPONENT OR PAD TO INSPECT</span></div>';
      }
    }

    function inspectComponent(compOrName, isPinned = true) {
      const comp = typeof compOrName === 'string' ? findComponent(compOrName) : compOrName;
      if (!comp) {
        if (!isPinned && !pinnedComponent) resetInspector();
        return;
      }
      if (isPinned) {
        pinnedComponent = comp.name;
        selectedComponent = comp.name;
        renderComponentsList();
      }

      const panel = document.getElementById('inspector-content');
      if (!panel) return;

      let pinsHtml = '';
      if (comp.pins && comp.pins.length > 0) {
        pinsHtml = `
          <div class="pins-list">
            <div class="pins-title">CONNECTED PINS & SIGNALS</div>
            ${comp.pins.map(p => `
              <div class="pin-item" data-net="${escapeHtml(p.net)}">
                <span>${escapeHtml(p.pin)}</span>
                <span class="pin-net">${escapeHtml(p.net)}</span>
              </div>
            `).join('')}
          </div>
        `;
      }

      panel.innerHTML = `
        <div class="inspector-header">
          <div>
            <span class="inspector-name">${escapeHtml(comp.name)}</span>
            ${!isPinned ? '<span style="font-size:9px;color:var(--olive);margin-left:6px;vertical-align:middle;">[PREVIEW]</span>' : ''}
          </div>
          <span class="inspector-type">${escapeHtml(comp.ftype || 'COMPONENT')}</span>
        </div>
        ${comp.mpn ? `<div class="prop-row"><span class="prop-key">MPN</span><span class="prop-val">${escapeHtml(comp.mpn)}</span></div>` : ''}
        <div class="prop-row"><span class="prop-key">CENTER</span><span class="prop-val">(${comp.x.toFixed(2)}, ${comp.y.toFixed(2)}) mm</span></div>
        ${comp.w && comp.h ? `<div class="prop-row"><span class="prop-key">FOOTPRINT</span><span class="prop-val">${comp.w.toFixed(1)} x ${comp.h.toFixed(1)} mm</span></div>` : ''}
        <div class="prop-row"><span class="prop-key">LAYER</span><span class="prop-val">${escapeHtml((comp.layer || 'top').toUpperCase())}</span></div>
        ${pinsHtml}
      `;
    }

    function selectComponent(idOrName) {
      const comp = findComponent(idOrName);
      if (!comp) return;
      switchSidebarTab('inspector');
      inspectComponent(comp, true);
    }

    function selectNet(netName) {
      document.querySelectorAll('.net-item').forEach(el => {
        el.classList.toggle('selected', el.dataset.name === netName);
      });
      showTooltip(window.innerWidth / 2, 72, {
        name: `NET: ${netName}`,
        type: 'SIGNAL TRACE HIGHLIGHT',
        net: netName
      });
      setTimeout(hideTooltip, 2000);
    }

    function updateDiagnostics(fuseBlown, diagnostics) {
      const statusEl = document.getElementById('fuse-status');
      const textEl = document.getElementById('fuse-text');
      const iconEl = document.getElementById('fuse-icon');
      const diagPanel = document.getElementById('diagnostics-panel');

      if (fuseBlown) {
        statusEl.className = 'fuse-badge fuse-blown';
        textEl.textContent = `FUSE BLOWN · ${diagnostics.length}`;
        if (iconEl) iconEl.innerHTML = '<iconify-icon icon="pixelarticons:alert"></iconify-icon>';

        diagPanel.innerHTML = diagnostics.map(d => `
          <div class="diag-card">
            <div class="diag-title">[!] ${escapeHtml((d.rule || 'VIOLATION').toUpperCase())}</div>
            <div class="diag-body">${escapeHtml(d.message || '')}</div>
            ${d.help ? `<div class="diag-help">> ${escapeHtml(d.help)}</div>` : ''}
          </div>
        `).join('');
      } else {
        statusEl.className = 'fuse-badge fuse-intact';
        textEl.textContent = 'FUSE INTACT';
        if (iconEl) iconEl.innerHTML = '<iconify-icon icon="pixelarticons:zap"></iconify-icon>';
        diagPanel.innerHTML = '<div class="empty-state"><span>NO ELECTRICAL VIOLATIONS DETECTED.</span></div>';
      }
    }

    function escapeHtml(str) {
      return String(str ?? '')
        .replace(/&/g, '&amp;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#39;');
    }

    function delegateClick(containerId, selector, handler) {
      document.getElementById(containerId).addEventListener('click', (event) => {
        const item = event.target.closest(selector);
        if (item) handler(item);
      });
    }

    function updateStudio(data) {
      if (!data) return;
      if (data.board_name) {
        document.getElementById('board-name').textContent = data.board_name.toUpperCase();
      }
      if (typeof data.revision === 'string') {
        lastRevision = data.revision;
        lastBoard = data.board || '';
        if (window.Tscircuit) window.Tscircuit.setMechanicalRevision(lastRevision, lastBoard);
      }
      if (data.circuit_json) {
        lastCircuitJson = data.circuit_json;
        parseCircuitGraph();
      }
      updateDiagnostics(data.fuse_blown, data.diagnostics || []);
      if (currentView !== 'mechanical') renderView();
    }

    window.addEventListener('tscircuit-ready', () => {
      if (lastRevision !== null) window.Tscircuit.setMechanicalRevision(lastRevision, lastBoard);
      initMechanical();
      switchView(currentView);
    });

    setTimeout(() => {
      if (!window.Tscircuit) showStatus('STUDIO BUNDLE NOT LOADED. RUN `bun run build` IN studio/');
    }, 2000);

    function connectSSE() {
      const eventSource = new EventSource('/events');
      const liveDot = document.getElementById('live-dot');
      const liveIndicator = document.getElementById('live-indicator');

      eventSource.onopen = () => {
        liveDot.style.background = 'var(--green)';
        liveIndicator.title = 'Live reload connected';
      };

      eventSource.onmessage = (event) => {
        try {
          const data = JSON.parse(event.data);
          onAssemblyRun(data);
          if (!window.Project.handle(data)) updateStudio(data);
        } catch (err) {
          console.error(err);
        }
      };

      eventSource.onerror = () => {
        liveDot.style.background = 'var(--alert)';
        liveIndicator.title = 'Reconnecting to dev server';
      };
    }

    const schEl = document.getElementById('schematic-container');
    if (schEl) {
      schEl.addEventListener('mousemove', (e) => {
        const compEl = e.target.closest('[data-schematic-component-id]');
        if (compEl) {
          const id = compEl.getAttribute('data-schematic-component-id');
          const comp = findComponent(id);
          if (comp) {
            inspectComponent(comp, false);
            showTooltip(e.clientX, e.clientY, {
              name: comp.name,
              type: comp.ftype || 'component',
              part: comp.mpn,
              pos: `(${comp.x.toFixed(2)}, ${comp.y.toFixed(2)}) mm`,
              layer: comp.layer || 'top',
              extra: `${comp.pins.length} pins`
            });
            return;
          }
        }
        const portEl = e.target.closest('[data-schematic-port-id]');
        if (portEl) {
          const portId = portEl.getAttribute('data-schematic-port-id');
          showTooltip(e.clientX, e.clientY, {
            name: `PORT: ${portId}`,
            type: 'PORT'
          });
          return;
        }
        hideTooltip();
        if (!pinnedComponent) resetInspector();
      });
      schEl.addEventListener('mouseleave', () => {
        hideTooltip();
        if (!pinnedComponent) resetInspector();
      });
      schEl.addEventListener('click', (e) => {
        const compEl = e.target.closest('[data-schematic-component-id]');
        if (compEl) {
          const id = compEl.getAttribute('data-schematic-component-id');
          const comp = findComponent(id);
          if (comp) selectComponent(comp.name);
        }
      });
    }

    const pcbEl = document.getElementById('pcb-container');
    if (pcbEl) {
      pcbEl.addEventListener('mousemove', (e) => {
        const compEl = e.target.closest('[data-pcb-component-id]') || e.target.closest('[data-component-id]');
        if (compEl) {
          const id = compEl.getAttribute('data-pcb-component-id') || compEl.getAttribute('data-component-id');
          const comp = findComponent(id);
          if (comp) {
            inspectComponent(comp, false);
            showTooltip(e.clientX, e.clientY, {
              name: comp.name,
              type: comp.ftype || 'component',
              part: comp.mpn,
              pos: `(${comp.x.toFixed(2)}, ${comp.y.toFixed(2)}) mm`,
              layer: comp.layer || 'top',
              extra: `${comp.pins.length} pins`
            });
            return;
          }
        }
      });
      pcbEl.addEventListener('mouseleave', () => {
        hideTooltip();
        if (!pinnedComponent) resetInspector();
      });
    }

    delegateClick('components-list', '.comp-item', (item) => selectComponent(item.dataset.name));
    delegateClick('nets-list', '.net-item', (item) => selectNet(item.dataset.name));
    delegateClick('inspector-content', '.pin-item', (item) => selectNet(item.dataset.net));
    window.Project.init().finally(connectSSE);
  </script>
</body>
</html>