diff --git a/frontend/app.js b/frontend/app.js
index 5ad4b67..9dd02a3 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -11,6 +11,7 @@ const MIN_SCALE = 0.2;
 const MAX_SCALE = 5;
 const FIT_MARGIN = 56;
 const FOCUS_MARGIN = 96;
+const THEME_KEY = "schemeta:theme:v1";
 
 const state = {
   model: null,
@@ -31,7 +32,8 @@ const state = {
   showLabels: true,
   isolateNet: false,
   isolateComponent: false,
-  renderMode: "schematic_stub",
+  renderMode: "explicit",
+  theme: "dark",
   userAdjustedView: false,
   spacePan: false,
   schemaText: "",
@@ -141,6 +143,7 @@ const el = {
   copyReproBtn: document.getElementById("copyReproBtn"),
   autoLayoutBtn: document.getElementById("autoLayoutBtn"),
   autoTidyBtn: document.getElementById("autoTidyBtn"),
+  themeToggleBtn: document.getElementById("themeToggleBtn"),
   shortcutsBtn: document.getElementById("shortcutsBtn"),
   undoBtn: document.getElementById("undoBtn"),
   redoBtn: document.getElementById("redoBtn"),
@@ -158,7 +161,8 @@ const el = {
   commandModal: document.getElementById("commandModal"),
   closeCommandBtn: document.getElementById("closeCommandBtn"),
   commandInput: document.getElementById("commandInput"),
-  commandList: document.getElementById("commandList")
+  commandList: document.getElementById("commandList"),
+  selectedNoteHint: null
 };
 
 function toGrid(v) {
@@ -348,6 +352,27 @@ function setStatus(text, ok = true) {
   el.compileStatus.className = ok ? "status-ok" : "";
 }
 
+function selectThemePreference() {
+  const saved = localStorage.getItem(THEME_KEY);
+  if (saved === "dark" || saved === "light") {
+    return saved;
+  }
+  return "dark";
+}
+
+function applyTheme(theme, persist = true) {
+  const next = theme === "light" ? "light" : "dark";
+  state.theme = next;
+  document.body.classList.toggle("theme-dark", next === "dark");
+  if (el.themeToggleBtn) {
+    el.themeToggleBtn.textContent = next === "dark" ? "Light" : "Dark";
+    el.themeToggleBtn.setAttribute("aria-label", next === "dark" ? "Switch to light mode" : "Switch to dark mode");
+  }
+  if (persist) {
+    localStorage.setItem(THEME_KEY, next);
+  }
+}
+
 function formatCompileStatus(result) {
   const m = result?.layout_metrics ?? {};
   return `Compiled (${result.errors.length}E, ${result.warnings.length}W | ${m.crossings ?? 0} crossings, ${m.overlap_edges ?? 0} overlaps, ${m.total_bends ?? 0} bends, ${m.label_tie_routes ?? 0} tie-nets, ${(m.detour_ratio ?? 1).toFixed(2)}x detour)`;
@@ -368,6 +393,8 @@ function compileOptions(extra = {}) {
   return {
     render_mode: state.renderMode,
     show_labels: state.showLabels,
+    show_annotations: false,
+    show_legend: false,
     generic_symbols: true,
     ...extra
   };
@@ -427,6 +454,58 @@ function refreshJsonEditor() {
   el.jsonEditor.value = JSON.stringify(state.model, null, 2);
 }
 
+function selectedComponentNote() {
+  if (!state.model || state.selectedNet || state.selectedPin || state.selectedRefs.length !== 1) {
+    return null;
+  }
+  const inst = instanceByRef(state.selectedRefs[0]);
+  if (!inst) {
+    return null;
+  }
+  const raw = String(inst.properties?.note ?? inst.properties?.notes ?? "").trim();
+  if (!raw) {
+    return null;
+  }
+  return raw.length > 240 ? `${raw.slice(0, 237)}...` : raw;
+}
+
+function updateSelectedNoteHint() {
+  if (!el.selectedNoteHint) {
+    return;
+  }
+  const note = selectedComponentNote();
+  if (!note || !state.compile?.layout || !state.model) {
+    el.selectedNoteHint.classList.add("hidden");
+    return;
+  }
+  const ref = state.selectedRefs[0];
+  const inst = instanceByRef(ref);
+  const sym = inst ? state.model.symbols?.[inst.symbol] : null;
+  const placed = (state.compile.layout.placed ?? []).find((p) => p.ref === ref);
+  if (!inst || !sym || !placed) {
+    el.selectedNoteHint.classList.add("hidden");
+    return;
+  }
+
+  el.selectedNoteHint.textContent = note;
+  el.selectedNoteHint.classList.remove("hidden");
+  el.selectedNoteHint.style.visibility = "hidden";
+
+  const viewportRect = el.canvasViewport.getBoundingClientRect();
+  const x = (placed.x + sym.body.width / 2) * state.scale + state.panX;
+  const y = (placed.y - 12) * state.scale + state.panY;
+  el.selectedNoteHint.style.left = `${Math.round(x)}px`;
+  el.selectedNoteHint.style.top = `${Math.round(y)}px`;
+  el.selectedNoteHint.style.transform = "translate(-50%, -100%)";
+
+  const hintRect = el.selectedNoteHint.getBoundingClientRect();
+  const minX = 14 + hintRect.width / 2;
+  const maxX = Math.max(minX, viewportRect.width - 14 - hintRect.width / 2);
+  const clampedX = Math.max(minX, Math.min(maxX, x));
+  el.selectedNoteHint.style.left = `${Math.round(clampedX)}px`;
+  el.selectedNoteHint.style.visibility = "";
+}
+
 function saveSnapshot() {
   if (!state.model) {
     return;
@@ -451,6 +530,7 @@ function updateTransform() {
     applyLabelDensityByZoom(svg);
     resolveLabelCollisions(svg);
   }
+  updateSelectedNoteHint();
 }
 
 function layoutBounds(layout, margin = FIT_MARGIN) {
@@ -746,8 +826,8 @@ function applyLabelDensityByZoom(svg) {
   const pinLabels = svg.querySelectorAll("[data-pin-label]");
   const valueLabels = svg.querySelectorAll("[data-value-label]");
   const refLabels = svg.querySelectorAll("[data-ref-label]");
-  const dense = state.scale < 0.85;
-  const veryDense = state.scale < 0.65;
+  const dense = state.scale < 1.05;
+  const veryDense = state.scale < 0.8;
 
   pinLabels.forEach((n) => {
     n.style.display = dense ? "none" : "";
@@ -973,14 +1053,18 @@ function symbolPinRowHtml(pin) {
   const sideOptions = PIN_SIDES.map((s) => `<option value="${s}" ${pin.side === s ? "selected" : ""}>${s}</option>`).join("");
   const typeOptions = PIN_TYPES.map((t) => `<option value="${t}" ${pin.type === t ? "selected" : ""}>${t}</option>`).join("");
   return `<div class="miniRow symbolPinRow" data-old-pin="${escHtml(pin.name)}">
-    <input class="pinCol pinName" type="text" value="${escHtml(pin.name)}" placeholder="name" />
-    <input class="pinCol pinNumber" type="text" value="${escHtml(pin.number)}" placeholder="number" />
-    <select class="pinCol pinSide">${sideOptions}</select>
-    <input class="pinCol pinOffset" type="number" min="0" step="1" value="${Number(pin.offset ?? 0)}" />
-    <select class="pinCol pinType">${typeOptions}</select>
-    <button type="button" data-move-symbol-pin="up" title="Move pin up">Up</button>
-    <button type="button" data-move-symbol-pin="down" title="Move pin down">Down</button>
-    <button type="button" data-remove-symbol-pin="${escHtml(pin.name)}">Remove</button>
+    <div class="symbolPinMain">
+      <input class="pinCol pinName" type="text" value="${escHtml(pin.name)}" placeholder="name" />
+      <input class="pinCol pinNumber" type="text" value="${escHtml(pin.number)}" placeholder="num" />
+      <select class="pinCol pinSide">${sideOptions}</select>
+      <input class="pinCol pinOffset" type="number" min="0" step="1" value="${Number(pin.offset ?? 0)}" />
+      <select class="pinCol pinType">${typeOptions}</select>
+    </div>
+    <div class="symbolPinActions">
+      <button type="button" data-move-symbol-pin="up" title="Move pin up">Up</button>
+      <button type="button" data-move-symbol-pin="down" title="Move pin down">Down</button>
+      <button type="button" data-remove-symbol-pin="${escHtml(pin.name)}">Remove</button>
+    </div>
   </div>`;
 }
 
@@ -1301,7 +1385,7 @@ function renderSelected() {
     el.lockedInput.checked = Boolean(inst.placement.locked);
     el.instRefInput.value = inst.ref;
     el.instValueInput.value = String(inst.properties?.value ?? "");
-    el.instNotesInput.value = String(inst.properties?.notes ?? "");
+    el.instNotesInput.value = String(inst.properties?.note ?? inst.properties?.notes ?? "");
     el.duplicateComponentBtn.disabled = false;
     el.deleteComponentBtn.disabled = false;
     el.isolateSelectedComponentBtn.disabled = false;
@@ -1693,7 +1777,11 @@ function bindSvgInteractions() {
       }
 
       const pt = canvasToSvgPoint(evt.clientX, evt.clientY);
-      const dragRefs = state.selectedRefs.length ? [...state.selectedRefs] : [ref];
+      const dragRefsRaw = state.selectedRefs.length ? [...state.selectedRefs] : [ref];
+      const dragRefs = dragRefsRaw.filter((r) => !instanceByRef(r)?.placement?.locked);
+      if (!dragRefs.length) {
+        return;
+      }
       const baseByRef = {};
       for (const r of dragRefs) {
         const ii = state.model.instances.find((x) => x.ref === r);
@@ -1772,6 +1860,7 @@ function bindSvgInteractions() {
 function renderCanvas() {
   if (!state.compile?.svg) {
     el.canvasInner.innerHTML = "";
+    updateSelectedNoteHint();
     return;
   }
 
@@ -1784,6 +1873,7 @@ function renderCanvas() {
     applyLabelDensityByZoom(svg);
     resolveLabelCollisions(svg);
   }
+  updateSelectedNoteHint();
 }
 
 function renderAll() {
@@ -1868,7 +1958,7 @@ function queueCompile(keepView = true, source = "edit") {
   }
   state.compileDebounceId = setTimeout(() => {
     state.compileDebounceId = null;
-    compileModel(state.model, { keepView, source });
+    compileModel(state.model, { keepView, source, preservePlacement: true });
   }, 150);
 }
 
@@ -2403,7 +2493,9 @@ async function runLayoutAction(path) {
   try {
     const out = await apiPost(path, {
       payload: state.model,
-      options: compileOptions()
+      options: compileOptions({
+        respect_locks: true
+      })
     });
 
     state.model = applyCompileLayoutToModel(out.model, out.compile);
@@ -2439,8 +2531,8 @@ async function resetToSample(opts = {}) {
   state.isolateNet = false;
   state.isolateComponent = false;
   state.userAdjustedView = false;
-  state.renderMode = "schematic_stub";
-  el.renderModeSelect.value = "schematic_stub";
+  state.renderMode = "explicit";
+  el.renderModeSelect.value = "explicit";
   state.showLabels = true;
   el.showLabelsInput.checked = true;
   el.instanceFilter.value = "";
@@ -2642,6 +2734,7 @@ function setupEvents() {
       properties: {
         ...(inst.properties ?? {}),
         value: el.instValueInput.value,
+        note: el.instNotesInput.value,
         notes: el.instNotesInput.value
       }
     });
@@ -3156,7 +3249,7 @@ function setupEvents() {
   el.renderModeSelect.addEventListener("change", async () => {
     state.renderMode = el.renderModeSelect.value;
     if (state.model) {
-      await compileModel(state.model, { keepView: true });
+      await compileModel(state.model, { keepView: true, preservePlacement: true });
     }
   });
 
@@ -3374,7 +3467,7 @@ function setupEvents() {
           inst.placement.rotation = ((Math.round(current / 90) * 90 + 90) % 360 + 360) % 360;
           inst.placement.locked = true;
         }
-        compileModel(state.model, { source: "rotate", keepView: true });
+        compileModel(state.model, { source: "rotate", keepView: true, preservePlacement: true });
         evt.preventDefault();
         return;
       }
@@ -3646,6 +3739,10 @@ function setupEvents() {
     await runLayoutAction("/layout/tidy");
   });
 
+  el.themeToggleBtn?.addEventListener("click", () => {
+    applyTheme(state.theme === "dark" ? "light" : "dark");
+  });
+
   el.undoBtn.addEventListener("click", async () => {
     await performUndo();
   });
@@ -3705,6 +3802,10 @@ function setupEvents() {
 }
 
 (async function init() {
+  el.selectedNoteHint = document.createElement("div");
+  el.selectedNoteHint.className = "selectedNoteHint hidden";
+  el.canvasViewport.appendChild(el.selectedNoteHint);
+  applyTheme(selectThemePreference());
   setupEvents();
   loadInspectorSectionState();
   updateTransform();
diff --git a/frontend/index.html b/frontend/index.html
index 3890801..9757b63 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -20,14 +20,15 @@
         <button id="exportBtn" aria-label="Export Schemeta JSON file">Export JSON</button>
         <button id="autoLayoutBtn" aria-label="Run automatic layout">Auto Layout</button>
         <button id="autoTidyBtn" aria-label="Run automatic tidy layout">Auto Tidy</button>
+        <button id="themeToggleBtn" aria-label="Toggle dark mode">Dark</button>
         <button id="shortcutsBtn" aria-label="Show keyboard shortcuts">Shortcuts</button>
         <button id="undoBtn" title="Undo (Ctrl/Cmd+Z)">Undo</button>
         <button id="redoBtn" title="Redo (Ctrl/Cmd+Shift+Z)">Redo</button>
         <label class="inlineSelect">
           Mode
           <select id="renderModeSelect">
-            <option value="schematic_stub">Schematic Stub</option>
             <option value="explicit">Explicit Wires</option>
+            <option value="schematic_stub">Schematic Stub</option>
           </select>
         </label>
         <input id="fileInput" type="file" accept="application/json,.json" hidden />
diff --git a/frontend/styles.css b/frontend/styles.css
index 872a0b0..85e776d 100644
--- a/frontend/styles.css
+++ b/frontend/styles.css
@@ -28,6 +28,33 @@
   --shadow-2: 0 10px 24px rgba(16, 24, 40, 0.08);
 }
 
+body.theme-dark {
+  --bg-0: #0b1220;
+  --bg-1: #0f172a;
+  --bg-2: #172237;
+  --panel: #0f1c2e;
+  --panel-strong: #13233a;
+  --canvas: #0d1728;
+  --ink: #e6edf7;
+  --ink-muted: #a7b6cd;
+  --ink-subtle: #7f91ad;
+  --line: #2a3c57;
+  --line-strong: #436086;
+  --accent: #60a5fa;
+  --accent-strong: #3b82f6;
+  --accent-soft: #162945;
+  --ok: #42ba86;
+  --warn: #f0b54f;
+  --err: #ef7367;
+  --power: #f59a4b;
+  --ground: #9ab0ca;
+  --clock: #f1835f;
+  --signal: #7aa4ff;
+  --analog: #4ec2ba;
+  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.35);
+  --shadow-2: 0 10px 24px rgba(0, 0, 0, 0.36);
+}
+
 * {
   box-sizing: border-box;
 }
@@ -38,6 +65,13 @@ body {
   min-height: 100%;
 }
 
+body.theme-dark {
+  background:
+    radial-gradient(circle at 0% 0%, #2f1f17 0 18%, transparent 30%),
+    radial-gradient(circle at 96% 5%, #122739 0 18%, transparent 30%),
+    linear-gradient(180deg, var(--bg-1), var(--bg-0));
+}
+
 body {
   font-family: "IBM Plex Sans", "Manrope", "Segoe UI", sans-serif;
   color: var(--ink);
@@ -85,7 +119,7 @@ button {
 
 button:hover {
   border-color: var(--line-strong);
-  background: #f3f8ff;
+  background: color-mix(in oklab, var(--accent-soft) 58%, var(--panel-strong));
 }
 
 button:disabled {
@@ -122,7 +156,7 @@ button.activeChip {
   gap: 14px;
   padding: 10px 12px;
   border-bottom: 1px solid var(--line);
-  background: linear-gradient(180deg, #f9fcff, #f2f8ff);
+  background: linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 88%, #ffffff), var(--panel));
   backdrop-filter: blur(2px);
   position: sticky;
   top: 0;
@@ -174,7 +208,7 @@ button.activeChip {
 .pane {
   border: 1px solid var(--line);
   border-radius: var(--radius-md);
-  background: linear-gradient(180deg, var(--panel), #f6faff);
+  background: linear-gradient(180deg, var(--panel), color-mix(in oklab, var(--panel) 88%, #081120));
   box-shadow: var(--shadow-1);
 }
 
@@ -189,7 +223,7 @@ button.activeChip {
 
 .pane.center {
   overflow: hidden;
-  background: linear-gradient(180deg, #fcfeff, #f6faff);
+  background: linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 90%, #ffffff), var(--panel));
 }
 
 .sectionHead {
@@ -217,7 +251,7 @@ select {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
   padding: 8px;
-  background: #fff;
+  background: var(--panel-strong);
   color: var(--ink);
 }
 
@@ -241,7 +275,7 @@ textarea {
   overflow: auto;
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
-  background: rgba(255, 255, 255, 0.72);
+  background: color-mix(in oklab, var(--panel-strong) 84%, transparent);
 }
 
 .list li {
@@ -252,7 +286,7 @@ textarea {
 }
 
 .list li:hover {
-  background: #f2f7ff;
+  background: color-mix(in oklab, var(--accent-soft) 70%, var(--panel-strong));
 }
 
 .list li:last-child {
@@ -290,7 +324,7 @@ textarea {
 .netLegend {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
-  background: #fbfdff;
+  background: var(--panel-strong);
   padding: 8px;
   display: grid;
   gap: 6px;
@@ -334,7 +368,7 @@ textarea {
 .card {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
-  background: #fbfdff;
+  background: var(--panel-strong);
   padding: 8px;
   color: var(--ink-muted);
   font-size: 0.85rem;
@@ -346,7 +380,7 @@ textarea {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
   padding: 9px;
-  background: #f8fbff;
+  background: color-mix(in oklab, var(--panel-strong) 86%, var(--panel));
   display: flex;
   flex-direction: column;
   gap: 8px;
@@ -356,7 +390,7 @@ textarea {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
   margin-top: 8px;
-  background: #ffffffcc;
+  background: color-mix(in oklab, var(--panel-strong) 88%, transparent);
   overflow: hidden;
 }
 
@@ -370,12 +404,12 @@ textarea {
 }
 
 .editorSection > summary:hover {
-  background: #f3f8ff;
+  background: color-mix(in oklab, var(--accent-soft) 60%, var(--panel-strong));
 }
 
 .editorSection[open] > summary {
   border-bottom: 1px solid var(--line);
-  background: #eef4ff;
+  background: color-mix(in oklab, var(--accent-soft) 76%, var(--panel-strong));
 }
 
 .editorSection > summary::-webkit-details-marker {
@@ -402,7 +436,7 @@ textarea {
 .miniList {
   border: 1px solid var(--line);
   border-radius: var(--radius-sm);
-  background: #fff;
+  background: var(--panel-strong);
   max-height: 180px;
   overflow: auto;
 }
@@ -423,8 +457,27 @@ textarea {
 
 .symbolPinRow {
   display: grid;
-  align-items: center;
-  grid-template-columns: 1fr 0.9fr 0.9fr 0.8fr 1fr auto auto auto;
+  align-items: start;
+  grid-template-columns: 1fr;
+  gap: 6px;
+}
+
+.symbolPinMain {
+  display: grid;
+  grid-template-columns: minmax(72px, 1fr) minmax(58px, 0.8fr) minmax(76px, 0.9fr) minmax(66px, 0.7fr) minmax(110px, 1fr);
+  gap: 6px;
+}
+
+.symbolPinActions {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 6px;
+}
+
+.symbolPinActions button {
+  min-width: 0;
+  padding: 4px 6px;
+  font-size: 0.75rem;
 }
 
 .pinCol {
@@ -457,7 +510,7 @@ textarea {
   gap: 8px;
   padding: 8px;
   border-bottom: 1px solid var(--line);
-  background: linear-gradient(180deg, #f8fbff, #f2f7ff);
+  background: linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 90%, #ffffff), var(--panel));
 }
 
 #compileStatus {
@@ -477,9 +530,9 @@ textarea {
   overflow: hidden;
   cursor: grab;
   background:
-    linear-gradient(0deg, #d9e4f0 1px, transparent 1px),
-    linear-gradient(90deg, #d9e4f0 1px, transparent 1px),
-    linear-gradient(180deg, var(--canvas), #edf4fc);
+    linear-gradient(0deg, color-mix(in oklab, var(--line) 72%, transparent) 1px, transparent 1px),
+    linear-gradient(90deg, color-mix(in oklab, var(--line) 72%, transparent) 1px, transparent 1px),
+    linear-gradient(180deg, var(--canvas), color-mix(in oklab, var(--canvas) 82%, #1c2f49));
   background-size: 20px 20px, 20px 20px, auto;
 }
 
@@ -514,11 +567,26 @@ textarea {
   border-radius: var(--radius-sm);
   padding: 6px 8px;
   color: var(--ink);
-  background: rgba(255, 255, 255, 0.95);
+  background: color-mix(in oklab, var(--panel-strong) 92%, transparent);
   box-shadow: var(--shadow-2);
   font-size: 0.74rem;
 }
 
+.selectedNoteHint {
+  position: absolute;
+  z-index: 18;
+  pointer-events: none;
+  max-width: min(460px, 56vw);
+  border: 1px solid var(--line);
+  border-radius: 10px;
+  background: color-mix(in oklab, var(--panel-strong) 92%, transparent);
+  color: var(--ink);
+  box-shadow: var(--shadow-2);
+  font-size: 0.78rem;
+  line-height: 1.35;
+  padding: 8px 10px;
+}
+
 .hidden {
   display: none;
 }
@@ -547,11 +615,11 @@ textarea {
   padding: 7px;
   margin-bottom: 6px;
   cursor: pointer;
-  background: #fff;
+  background: var(--panel-strong);
 }
 
 .issueRow:hover {
-  background: #f4f8ff;
+  background: color-mix(in oklab, var(--accent-soft) 66%, var(--panel-strong));
 }
 
 .issueErr {
@@ -604,7 +672,7 @@ textarea {
   height: min(88vh, 900px);
   border: 1px solid var(--line);
   border-radius: var(--radius-lg);
-  background: #fff;
+  background: var(--panel-strong);
   box-shadow: 0 24px 60px rgba(16, 24, 40, 0.24);
   padding: 12px;
   display: flex;
@@ -658,7 +726,7 @@ textarea {
   padding: 8px 10px;
   font-size: 0.86rem;
   color: var(--ink-muted);
-  background: #f8fbff;
+  background: color-mix(in oklab, var(--panel-strong) 88%, var(--panel));
 }
 
 kbd {
@@ -667,7 +735,7 @@ kbd {
   border: 1px solid var(--line-strong);
   border-bottom-width: 2px;
   border-radius: 6px;
-  background: #fff;
+  background: var(--panel-strong);
   padding: 2px 6px;
   color: var(--ink);
   font-size: 0.74rem;
@@ -679,7 +747,7 @@ kbd {
   border-radius: var(--radius-sm);
   overflow: auto;
   max-height: 46vh;
-  background: #fff;
+  background: var(--panel-strong);
 }
 
 .commandRow {
@@ -687,7 +755,7 @@ kbd {
   border: none;
   border-bottom: 1px solid var(--line);
   border-radius: 0;
-  background: #fff;
+  background: var(--panel-strong);
   text-align: left;
   box-shadow: none;
   padding: 8px 10px;
@@ -701,7 +769,7 @@ kbd {
 
 .commandRow:hover,
 .commandRow.active {
-  background: #edf4ff;
+  background: color-mix(in oklab, var(--accent-soft) 70%, var(--panel-strong));
 }
 
 .flash {
@@ -801,6 +869,10 @@ kbd {
     grid-template-columns: 1fr;
   }
 
+  .symbolPinMain {
+    grid-template-columns: 1fr 1fr;
+  }
+
   .jsonActions {
     flex-direction: column;
     gap: 4px;
diff --git a/src/render.js b/src/render.js
index 5cf72f5..ca6721e 100644
--- a/src/render.js
+++ b/src/render.js
@@ -441,6 +441,7 @@ function renderAnnotationPanel(entries, maxWidth = 380) {
 export function renderSvgFromLayout(model, layout, options = {}) {
   const showLabels = options.show_labels !== false;
   const showAnnotations = options.show_annotations !== false;
+  const showLegend = options.show_legend !== false;
   const pinNets = pinNetMap(model);
   const netClassByName = new Map((model.nets ?? []).map((n) => [n.name, n.class]));
   const allPinPoints = [];
@@ -635,7 +636,7 @@ export function renderSvgFromLayout(model, layout, options = {}) {
     ...(annotationPanel.height > 0
       ? [{ x: annotationPanel.x - 2, y: annotationPanel.y - 2, width: annotationPanel.width + 4, height: annotationPanel.height + 4 }]
       : []),
-    { x: 6, y: legendY - 8, width: 126, height: 86 },
+    ...(showLegend ? [{ x: 6, y: legendY - 8, width: 126, height: 86 }] : []),
     ...componentRects
   ];
 
@@ -761,7 +762,7 @@ export function renderSvgFromLayout(model, layout, options = {}) {
   <g data-layer="net-labels">${labelLayer}</g>
   <g data-layer="bus-groups">${busLabels}</g>
   ${annotationPanel.svg}
-  ${renderLegend(legendY)}
+  ${showLegend ? renderLegend(legendY) : ""}
 </svg>`;
 }