/* Workbench: 3D bench + control panel */
.bench-section {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(213, 154, 90, .08), transparent 70%),
    #efe9dc;
}
.bench-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
  gap: 16px; align-items: stretch;
}
.bench-left { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.bench-scene {
  position: relative; height: clamp(400px, 39vw, 570px);
  background: #08130e; border: 1px solid #203a2c;
  overflow: hidden; box-shadow: inset 0 0 90px rgba(0, 0, 0, .4);
}
.bench-scene::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, .5);
}
.bench-scene canvas { width: 100%; height: 100%; touch-action: none; cursor: grab; }
.bench-scene canvas:active { cursor: grabbing; }
.bench-scene.is-moving-component canvas { cursor: grabbing; }
.bench-scene.is-moving-wire canvas { cursor: grabbing; }
.bench-scene.is-moving-component .bench-hud--status,
.bench-scene.is-moving-wire .bench-hud--status { color: var(--lime); border-color: rgba(201, 255, 106, .38); }
.bench-hud { position: absolute; z-index: 3; pointer-events: none; }
.bench-hud--top {
  left: 15px; top: 13px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 9px;
  max-width: calc(100% - 150px);
}
.hud-label {
  display: flex; align-items: center; gap: 6px; width: 100%;
  font: 500 8px var(--font-mono); letter-spacing: .14em; color: #73907e;
}
.hud-run {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 6px;
  border: 1px solid rgba(201, 255, 106, .55); color: var(--lime);
  font: 600 8px var(--font-mono); letter-spacing: .08em;
}
.hud-run[hidden] { display: none; }
.hud-run i { width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 7px var(--lime); animation: runPulse 1s ease-in-out infinite; }
.bench-hud--top strong {
  font-family: var(--font-display); font-size: 17px; font-weight: 600;
  letter-spacing: -.02em; color: #edf6ef;
}
.hud-sub { font: 500 9px var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--lime); }
.bench-hud--status {
  left: 15px; bottom: 13px; max-width: 62%;
  font: 500 9px var(--font-mono); letter-spacing: .02em; color: #a9c1b2;
  padding: 6px 9px; background: rgba(6, 16, 11, .66);
  border: 1px solid rgba(201, 255, 106, .16); backdrop-filter: blur(6px);
}
.bench-legend {
  position: absolute; right: 14px; top: 13px; z-index: 3;
  display: flex; flex-wrap: wrap; gap: 7px 11px; justify-content: flex-end;
  max-width: 220px; pointer-events: none;
}
.bench-legend span { display: inline-flex; align-items: center; gap: 5px; font: 400 8px var(--font-mono); color: #8ca596; }
.bench-legend i { width: 13px; height: 3px; background: var(--wire); display: inline-block; }
.bench-actions {
  position: absolute; right: 14px; bottom: 12px; z-index: 4;
  display: flex; gap: 7px; align-items: center;
}
.icon-btn {
  width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid rgba(208, 234, 219, .2); background: rgba(6, 16, 11, .72);
  color: #b7cabe; backdrop-filter: blur(6px);
}
.icon-btn:hover { color: var(--lime); border-color: rgba(201, 255, 106, .4); }
.icon-btn svg { width: 15px; height: 15px; }
.bench-run {
  display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px;
  background: var(--lime); color: var(--ink); border: 1px solid var(--lime);
  font: 600 10px var(--font-mono); letter-spacing: .06em; text-transform: uppercase;
}
.bench-run svg { width: 13px; height: 13px; fill: currentColor; stroke: none; }
.bench-run:hover { background: var(--lime-soft); }
.bench-run.is-running { background: #ff8b7d; border-color: #ff8b7d; color: #1a0b08; }
.bench-run.is-running svg { fill: currentColor; }
.bench-tip {
  position: absolute; z-index: 6; padding: 5px 8px; pointer-events: none;
  background: rgba(5, 15, 10, .94); border: 1px solid rgba(201, 255, 106, .35);
  color: #e6f4e9; font: 500 9px/1.45 var(--font-mono);
  max-width: min(360px, calc(100% - 24px)); white-space: normal;
  transform: translateZ(0);
}
.bench-drop {
  position: absolute; inset: 10px; z-index: 5; display: grid; place-items: center;
  border: 1px dashed rgba(201, 255, 106, .7); background: rgba(6, 20, 13, .22);
  color: var(--lime); font: 600 11px var(--font-mono); letter-spacing: .08em;
  text-transform: uppercase; pointer-events: none; backdrop-filter: blur(2px);
}
.bench-scene.is-drop-target .bench-drop, .bench-scene.is-arming .bench-drop { display: grid; }
.bench-scene.is-drop-target canvas { cursor: copy; }
.component-tray {
  background: #0a1711; border: 1px solid #203a2c; color: var(--paper);
  padding: 11px 12px 10px;
}
.tray-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.tray-head .mono { color: #789183; font-size: 8px; }
.tray-head p { margin-top: 2px; color: #8da496; font-size: 12px; line-height: 1.45; }
.tray-actions { display: flex; gap: 10px; flex: none; }
.tray-actions .text-btn { white-space: nowrap; }
.tray-items { display: flex; gap: 7px; overflow-x: auto; margin-top: 8px; padding-bottom: 3px; scrollbar-width: thin; scrollbar-color: #365441 transparent; }
.tray-item {
  position: relative; flex: none; width: 158px; display: grid; grid-template-columns: 56px 1fr; gap: 8px;
  align-items: center; padding: 6px; border: 1px solid rgba(208, 234, 219, .14);
  background: rgba(255, 255, 255, .025); color: #c3d4c8; text-align: left;
  cursor: grab; transition: border-color .18s, background .18s, opacity .18s;
}
.tray-item:active { cursor: grabbing; }
.tray-item:hover, .tray-item.is-armed { border-color: var(--lime); background: rgba(201, 255, 106, .07); }
.tray-item.is-placed { opacity: .55; cursor: default; }
.tray-item.is-placed .tray-art { filter: grayscale(.6); }
.tray-art { width: 56px; height: 46px; overflow: hidden; border: 1px solid rgba(208, 234, 219, .12); background: #eee7d8; }
.tray-art svg { width: 100%; height: 100%; }
.tray-name { display: block; font: 600 10px/1.2 var(--font-display); letter-spacing: -.01em; }
.tray-state { display: block; margin-top: 3px; font: 500 7.5px var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: #719080; }
.tray-item.is-placed .tray-state { color: #acbcae; }
.tray-remove {
  position: absolute; right: 3px; top: 3px; width: 17px; height: 17px; display: grid; place-items: center;
  border: 1px solid rgba(255, 140, 128, .35); background: rgba(8, 19, 14, .8); color: #ff9d92;
}
.tray-remove svg { width: 9px; height: 9px; }
.tray-remove:hover { background: #ff9d92; color: var(--ink); }
.tray-empty { padding: 10px; color: #779284; font: 500 9px var(--font-mono); }

/* mode, component library and sandbox */
.mode-switch {
  display: grid; grid-template-columns: 1fr 1fr; margin: 10px 12px 0;
  border: 1px solid rgba(208, 234, 219, .14);
}
.mode-switch button {
  border: 0; background: transparent; color: #8ba294; padding: 8px 6px;
  font: 600 9px var(--font-mono); letter-spacing: .04em; text-transform: uppercase;
}
.mode-switch button + button { border-left: 1px solid rgba(208, 234, 219, .12); }
.mode-switch button[aria-pressed="true"] { background: var(--lime); color: var(--ink); }
.tray-library { display: grid; gap: 6px; margin-top: 9px; }
.tray-library .search-field { background: rgba(255, 255, 255, .03); border-color: rgba(208, 234, 219, .16); }
.tray-library .search-field input { color: #d7e6db; }
.tray-library .search-field input::placeholder { color: #6f8878; }
.tray-library .filter-chips { display: flex; gap: 3px; overflow-x: auto; scrollbar-width: none; }
.tray-library .filter-chips::-webkit-scrollbar { display: none; }
.tray-library .filter-chip {
  flex: none; border-color: rgba(208, 234, 219, .14); color: #a4b9ac;
  padding: 5px 7px; font-size: 8px;
}
.tray-library .filter-chip span { color: #8ba294; }
.tray-library .filter-chip.is-active { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.tray-library .filter-chip.is-active span { color: rgba(8, 19, 14, .6); }
.placed-list { margin-top: 9px; border-top: 1px solid rgba(208, 234, 219, .1); padding-top: 7px; }
.placed-head { display: flex; justify-content: space-between; color: #6e8778; font-size: 8px; margin-bottom: 5px; }
.placed-items { display: flex; flex-wrap: wrap; gap: 4px; }
.placed-chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 5px 4px 7px;
  border: 1px solid rgba(208, 234, 219, .14); background: rgba(255, 255, 255, .025);
  color: #b6cbbd; font: 500 8px var(--font-mono);
}
.placed-chip button { border: 0; background: none; color: #ff9d92; padding: 0; display: grid; place-items: center; }
.placed-chip button svg { width: 9px; height: 9px; }
.sandbox-panel { display: grid; gap: 8px; margin-top: 10px; padding: 10px; border: 1px solid var(--line); background: var(--paper); }
.sandbox-head { display: flex; justify-content: space-between; align-items: center; }
.sandbox-head .mono { font-size: 8px; color: var(--muted); }
.sandbox-head strong { font: 600 10px var(--font-mono); color: var(--ink); }
.sandbox-select { display: grid; gap: 3px; font: 500 8px var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.sandbox-select select {
  border: 1px solid var(--line); background: var(--paper-3); padding: 7px 8px;
  font: 500 10px var(--font-mono); color: var(--ink);
}
.sandbox-modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px; }
.sandbox-modes button {
  border: 1px solid var(--line); background: var(--paper-3); color: var(--muted);
  padding: 6px 3px; font: 500 8px var(--font-mono); text-transform: uppercase;
}
.sandbox-modes button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--lime); }
.sandbox-pwm { display: grid; gap: 3px; font: 500 8px var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.sandbox-pwm strong { color: var(--ink); }
.sandbox-pwm input { width: 100%; accent-color: #3e6b4d; }
.sandbox-readout { display: grid; gap: 3px; margin-top: 2px; }
.sandbox-readout li { display: flex; justify-content: space-between; gap: 8px; font: 400 9px var(--font-mono); color: var(--muted); border-bottom: 1px dashed #e2d9c7; padding-bottom: 3px; }
.sandbox-readout li strong { color: var(--ink); font-weight: 500; }
.sandbox-note { font-size: 9.5px; line-height: 1.5; color: #858575; }
.workbench.is-free .component-tray { order: -1; }
.workbench.is-free .select-sketch { display: none; }
.workbench.is-free .panel-selects { grid-template-columns: 1fr; }
.workbench.is-free .panel-tabs button[data-tab="code"] { display: none; }
.workbench.is-free #bench-autowire,
.workbench.is-free #bench-example { display: none; }
.workbench.is-free .check-head,
.workbench.is-free .progress,
.workbench.is-free .check-list,
.workbench.is-free .mission-controls,
.workbench.is-free #bench-place-all { display: none; }
.workbench.is-free .mission-copy h3 { color: var(--ink); }
.workbench.is-free .sandbox-panel { display: grid; }
.bench-panel .sandbox-panel {
  margin: 0 0 12px; background: rgba(255, 255, 255, .035); border-color: rgba(208, 234, 219, .16);
}
.bench-panel .sandbox-head .mono,
.bench-panel .sandbox-note,
.bench-panel .sandbox-select,
.bench-panel .sandbox-pwm { color: #8da496; }
.bench-panel .sandbox-head strong,
.bench-panel .sandbox-pwm strong { color: var(--lime); }
.bench-panel .sandbox-select select,
.bench-panel .sandbox-modes button {
  background: rgba(255, 255, 255, .04); border-color: rgba(208, 234, 219, .16); color: #c0d2c5;
}
.bench-panel .sandbox-modes button[aria-pressed="true"] { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.bench-panel .sandbox-readout li { color: #8da496; border-color: rgba(208, 234, 219, .12); }
.bench-panel .sandbox-readout li strong { color: #e0ede4; }
.bench-panel .sandbox-pwm input { accent-color: var(--lime); }
.mission-card {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 22px; padding: 20px 22px;
  background: var(--paper-3); border: 1px solid var(--line);
  box-shadow: 0 14px 40px rgba(80, 70, 40, .06);
}
.mission-copy h3 {
  font-family: var(--font-display); font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 600; letter-spacing: -.04em; line-height: 1.05; margin-top: 8px;
}
.mission-copy > p#bench-goal { margin-top: 8px; max-width: 560px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.mission-steps { margin-top: 15px; display: grid; gap: 7px; counter-reset: step; }
.mission-steps li {
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 12px; line-height: 1.5; color: #4f554a;
}
.mission-steps li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font: 500 9px var(--font-mono); color: var(--ink); background: var(--paper-2);
  border: 1px solid var(--line); min-width: 22px; height: 19px;
  display: inline-grid; place-items: center; flex: none; margin-top: 1px;
}
.mission-controls { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.control {
  flex: 1; min-width: 170px; padding: 10px 12px;
  border: 1px solid var(--line); background: var(--paper);
}
.control__head { display: flex; justify-content: space-between; gap: 10px; font: 500 9px var(--font-mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.control__head strong { color: var(--ink); font-weight: 600; }
.control input[type="range"] { width: 100%; margin-top: 8px; accent-color: #3e6b4d; height: 3px; }
.control .switch { margin-top: 8px; }
.switch {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none;
  font: 500 10px var(--font-mono); color: var(--ink);
}
.switch input { appearance: none; width: 34px; height: 18px; border-radius: 20px; background: #c9c2b1; border: 1px solid #b8b09c; position: relative; transition: background .2s; cursor: pointer; }
.switch input::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: #fffaf0; top: 2px; left: 3px; transition: transform .2s; }
.switch input:checked { background: #2d5e42; border-color: #2d5e42; }
.switch input:checked::after { transform: translateX(16px); }

.mission-check {
  padding-left: 22px; border-left: 1px dashed var(--line);
  display: flex; flex-direction: column; min-width: 0;
}
.check-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.check-head .mono { font-size: 9px; color: var(--muted); }
.check-head strong { font: 600 11px var(--font-mono); color: var(--ink); }
.progress { height: 4px; background: #ded5c2; margin-top: 8px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: #2e6546; transition: width .35s ease; }
.check-list { margin-top: 12px; display: grid; gap: 6px; }
.check-list li {
  display: flex; gap: 7px; align-items: flex-start;
  font-size: 11px; line-height: 1.45; color: var(--muted);
}
.check-list li::before {
  content: "○"; font-size: 9px; color: #9a9b89; line-height: 1.7; flex: none;
}
.check-list li.is-done { color: #3d5c47; }
.check-list li.is-done::before { content: "●"; color: #2e6546; }
.mission-tip {
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line);
  font-size: 12px; line-height: 1.55; color: #7d7c6c;
}
.mission-tip::before { content: "TIP "; font: 600 8px var(--font-mono); color: var(--copper); letter-spacing: .08em; }

/* panel */
.bench-panel {
  display: flex; flex-direction: column; min-height: 0; height: 100%;
  background: #0a1711; border: 1px solid #203a2c; color: var(--paper);
  box-shadow: 0 20px 60px rgba(20, 30, 20, .16);
}
@media (min-width: 1081px) {
  .bench-panel {
    position: sticky; top: 86px; height: auto;
    max-height: calc(100vh - 106px);
  }
}
.panel-selects {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px 12px 10px;
  border-bottom: 1px solid rgba(208, 234, 219, .1);
}
.panel-selects label { display: grid; gap: 4px; font: 500 8px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: #778e80; }
.panel-selects select {
  width: 100%; appearance: none; padding: 8px 26px 8px 9px; border-radius: 0;
  border: 1px solid rgba(208, 234, 219, .17); background:
    linear-gradient(45deg, transparent 50%, #8da698 50%) calc(100% - 13px) 52% / 5px 5px no-repeat,
    linear-gradient(135deg, #8da698 50%, transparent 50%) calc(100% - 8px) 52% / 5px 5px no-repeat,
    rgba(255, 255, 255, .03);
  color: #e2efe6; font: 500 11px var(--font-body); outline: 0;
}
.panel-selects select:focus { border-color: var(--lime); }
.panel-selects option { background: #0d1f17; color: #e2efe6; }
.panel-tabs { display: flex; border-bottom: 1px solid rgba(208, 234, 219, .12); padding: 0 12px; gap: 2px; }
.panel-tabs button {
  position: relative; border: 0; background: transparent; color: #8ba294;
  padding: 11px 11px 9px; font: 500 10px var(--font-mono); letter-spacing: .05em; text-transform: uppercase;
}
.panel-tabs button::after { content: ""; position: absolute; left: 8px; right: 8px; bottom: -1px; height: 2px; background: transparent; }
.panel-tabs button[aria-selected="true"] { color: var(--lime); }
.panel-tabs button[aria-selected="true"]::after { background: var(--lime); }
.tab-dot { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--lime); margin-left: 4px; opacity: 0; }
.tab-dot.is-on { opacity: 1; animation: blink 1.2s steps(2, end) infinite; }
@keyframes blink { 50% { opacity: .2; } }
.panel-body { flex: 1 1 auto; overflow-y: auto; min-height: 0; scrollbar-width: thin; scrollbar-color: #375243 transparent; }
.panel-body::-webkit-scrollbar { width: 5px; }
.panel-body::-webkit-scrollbar-thumb { background: #375243; }
.tab-panel { padding: 12px; }
.panel-hint { font-size: 12px; line-height: 1.55; color: #8ba294; margin-bottom: 10px; }
.wire-now {
  display: flex; gap: 7px; align-items: center; margin: 0 0 9px; padding: 7px 9px;
  border: 1px solid rgba(201, 255, 106, .35); background: rgba(201, 255, 106, .06);
  font: 500 9px var(--font-mono); color: var(--lime);
}
.wire-now::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 8px var(--lime); }
.wire-now span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wire-now button { margin-left: auto; border: 0; background: none; color: var(--lime); font: 500 13px var(--font-mono); padding: 0 3px; }
.wire-now button:hover { color: #fff; }
.pin.is-hidden, .pin-bank.is-hidden { display: none; }
.pin-section { margin-top: 14px; }
.section-label { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 7px; font: 500 8px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: #6e8878; }
.section-label span:last-child { color: #8fa799; }
.pin-groups { display: grid; gap: 5px; }
.pin-bank { border: 1px solid rgba(208, 234, 219, .1); }
.pin-bank__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: rgba(255, 255, 255, .02); border: 0; padding: 6px 8px;
  font: 500 9px var(--font-mono); color: #b6cabd; text-align: left;
}
.pin-bank__head span:last-child { color: #6f897a; font-size: 8px; }
.pin-bank__head:hover { color: var(--lime); }
.pin-grid { display: flex; flex-wrap: wrap; gap: 3px; padding: 6px; }
.pin {
  display: inline-flex; align-items: center; gap: 4px;
  border: 1px solid rgba(208, 234, 219, .12); background: transparent;
  color: #c1d2c7; padding: 4px 6px; font: 500 8.5px var(--font-mono);
  transition: border-color .15s, color .15s, background .15s;
}
.pin::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--pin, #c9ff6a); opacity: .85; }
.pin em { font-style: normal; color: #6c8575; font-size: 7px; text-transform: uppercase; margin-left: 2px; }
.pin:hover { border-color: var(--pin, #c9ff6a); color: #f2f8f3; background: rgba(255, 255, 255, .04); }
.pin.is-selected { background: var(--lime); border-color: var(--lime); color: #08130e; }
.pin.is-selected::before { background: #08130e; }
.pin.is-selected em { color: rgba(8, 19, 14, .6); }
.pin.is-role { border-color: color-mix(in srgb, var(--pin, #c9ff6a) 55%, transparent); }
.term-list { display: grid; gap: 4px; }
.term {
  width: 100%; display: flex; align-items: center; gap: 8px; text-align: left;
  border: 1px solid rgba(208, 234, 219, .12); background: transparent;
  padding: 6px 8px; color: #c1d2c7; font: 500 9.5px var(--font-mono);
}
.term::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--pin, #c9ff6a); }
.term span { color: #718a7a; font-size: 8px; margin-left: auto; text-transform: uppercase; }
.term:hover, .term.is-selected { border-color: var(--lime); color: var(--lime); }
.term.is-selected { background: rgba(201, 255, 106, .08); }
.wire-list { display: grid; gap: 3px; }
.wire-row {
  display: flex; align-items: center; gap: 7px; padding: 5px 7px;
  border: 1px solid rgba(208, 234, 219, .09); font: 400 8.5px var(--font-mono); color: #a8bcaf;
}
.wire-row i { width: 12px; height: 2px; background: var(--wire); flex: none; }
.wire-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wire-row b { color: #647d6d; font-weight: 400; }
.wire-row button {
  margin-left: auto; border: 0; background: none; color: #8fa497; padding: 2px;
}
.wire-row button:hover { color: #ff9d92; }
.wire-row button svg { width: 11px; height: 11px; }
.wire-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; }
.empty-note { padding: 9px; border: 1px dashed rgba(208, 234, 219, .14); font: 400 12px var(--font-mono); color: #6e8778; }

.code-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.code-head .mono { color: #7f9989; font-size: 8px; }
.code {
  margin: 0; padding: 13px; background: #06100b; border: 1px solid rgba(208, 234, 219, .12);
  color: #d7e7da; overflow: auto; max-height: 430px;
  font: 400 10.5px/1.65 var(--font-mono); tab-size: 2;
}
.code .kw { color: #ff9c8c; }
.code .str { color: #c9ff6a; }
.code .num { color: #ffd166; }
.code .com { color: #638071; font-style: italic; }
.code .fn { color: #8ad9ff; }
.code-note { margin-top: 8px; font-size: 9.5px; line-height: 1.5; color: #6f8879; }
.serial {
  margin: 0; padding: 12px; min-height: 280px; max-height: 430px; overflow: auto;
  background: #06100b; border: 1px solid rgba(208, 234, 219, .12);
  color: #9fe6b4; font: 400 10.5px/1.7 var(--font-mono); white-space: pre-wrap;
}
.serial::before { content: "> "; color: #4d725b; }
.panel-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-top: 1px solid rgba(208, 234, 219, .12);
  background: rgba(255, 255, 255, .015);
}
.foot-status { display: flex; align-items: center; gap: 7px; font: 500 8.5px var(--font-mono); color: #8ca496; text-transform: uppercase; letter-spacing: .04em; }
.foot-status .status-dot { background: #718a7a; box-shadow: none; }
.foot-status.is-live .status-dot { background: var(--lime); box-shadow: 0 0 0 3px rgba(201, 255, 106, .16); color: var(--lime); }
.foot-actions { display: flex; gap: 6px; }
.foot-actions .btn--ghost { color: #c3d4c9; border-color: rgba(208, 234, 219, .2); }
.foot-actions .btn--primary { background: var(--lime); color: var(--ink); border-color: var(--lime); }

.rules-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin-top: 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.rules-strip > div { padding: 17px 22px 18px; border-right: 1px solid var(--line); }
.rules-strip > div:last-child { border-right: 0; }
.rules-strip .mono { display: block; font-size: 8px; color: var(--copper); margin-bottom: 5px; }
.rules-strip strong { display: block; font-family: var(--font-display); font-size: 15px; letter-spacing: -.02em; }
.rules-strip p { margin-top: 3px; font-size: 11px; color: var(--muted); line-height: 1.5; }

/* Breadboard plug labels in the terminal list */
.term-plug {
  flex: none; font-style: normal; font-size: 7.5px; letter-spacing: .04em;
  color: var(--lime); border: 1px solid rgba(201, 255, 106, .24);
  padding: 1px 4px; margin-left: 2px;
}
.term span + .term-plug { margin-left: 0; }

/* Selected cable actions in the scene */
.bench-wire-tools {
  position: absolute; left: 15px; bottom: 48px; z-index: 7;
  display: flex; align-items: center; gap: 8px; max-width: calc(100% - 180px);
  padding: 5px 7px; background: rgba(5, 15, 10, .92);
  border: 1px solid rgba(201, 255, 106, .42); color: #b9ccbe;
  font: 500 9px var(--font-mono); box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.bench-wire-tools[hidden] { display: none; }
.bench-wire-tools .mono { color: var(--lime); font-size: 8px; }
.bench-wire-tools #bench-wire-tools-label {
  max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: #d8e7dc;
}
.bench-wire-tools button {
  flex: none; border: 1px solid rgba(255, 140, 128, .45); background: rgba(255, 140, 128, .1);
  color: #ffb0a7; padding: 4px 7px; font: 600 8px var(--font-mono);
  letter-spacing: .04em; text-transform: uppercase;
}
.bench-wire-tools button:hover { background: #ff8b7d; color: var(--ink); }

.wire-row { cursor: pointer; }
.wire-row.is-selected { border-color: var(--lime); background: rgba(201, 255, 106, .07); }
.wire-row button {
  display: inline-flex; align-items: center; gap: 4px; color: #ffb0a7;
  font: 600 7.5px var(--font-mono); letter-spacing: .04em; text-transform: uppercase;
  border: 1px solid rgba(255, 140, 128, .2); padding: 2px 4px;
}
.wire-row button:hover { background: rgba(255, 140, 128, .12); color: #ffb0a7; }
.wire-row button svg { width: 9px; height: 9px; }

/* Live run feedback */
.bench-scene.is-running {
  border-color: rgba(201, 255, 106, .65);
  box-shadow: 0 0 0 1px rgba(201, 255, 106, .25), inset 0 0 90px rgba(201, 255, 106, .08);
}
.bench-scene.is-running .bench-hud--status {
  color: var(--lime); border-color: rgba(201, 255, 106, .42);
  background: rgba(16, 36, 22, .86);
}
.bench-running {
  position: absolute; right: 14px; bottom: 57px; z-index: 7;
  display: flex; align-items: center; gap: 6px; padding: 5px 8px;
  border: 1px solid rgba(201, 255, 106, .55); background: rgba(6, 19, 11, .92);
  color: #dcecda; font: 500 8px var(--font-mono); letter-spacing: .05em;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
}
.bench-running[hidden] { display: none; }
.bench-running .mono { color: #a9c1af; font-size: 7.5px; }
.bench-running strong { color: #fff; font-size: 9px; font-weight: 600; }
.bench-running #bench-run-output { color: var(--lime); font-weight: 600; }
.bench-running .live-dot { background: var(--lime); box-shadow: 0 0 9px var(--lime); animation: runPulse 1s ease-in-out infinite; }
@keyframes runPulse {
  0%, 100% { opacity: .45; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* Interaction mode switch: moving parts vs wiring */
.bench-interaction {
  position: absolute; left: 14px; top: 55px; z-index: 7;
  display: flex; align-items: center; gap: 3px; padding: 4px 5px;
  background: rgba(5, 15, 10, .88); border: 1px solid rgba(208, 234, 219, .22);
  backdrop-filter: blur(8px);
}
.bench-interaction > .mono { color: #718a7a; font-size: 7px; margin: 0 3px 0 1px; }
.bench-interaction button {
  border: 1px solid transparent; background: transparent; color: #a7bdad;
  padding: 4px 7px; font: 600 8px var(--font-mono);
  letter-spacing: .04em; text-transform: uppercase;
}
.bench-interaction button:hover { color: var(--lime); border-color: rgba(201, 255, 106, .3); }
.bench-interaction button[aria-pressed="true"] { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.bench-scene.is-wire-mode canvas { cursor: crosshair; }
.bench-scene.is-move-mode canvas { cursor: grab; }

/* Component rotation inspector */
.rotate-panel {
  margin: 8px 12px 0; padding: 9px 10px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(208, 234, 219, .16);
  display: grid; gap: 7px;
}
.rotate-panel[hidden] { display: none; }
.rotate-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.rotate-head .mono { color: #789183; font-size: 7.5px; }
.rotate-head strong { color: var(--lime); font: 600 9px var(--font-mono); text-align: right; }
.rotate-control {
  display: grid; grid-template-columns: 58px 1fr 32px; align-items: center; gap: 6px;
  color: #a9bdaf; font: 500 8px var(--font-mono); letter-spacing: .03em; text-transform: uppercase;
}
.rotate-control input { width: 100%; accent-color: var(--lime); }
.rotate-control output { color: var(--lime); text-align: right; font-size: 8px; }
.rotate-panel .text-btn { justify-self: start; font-size: 8px; }
.bench-scene.is-rotate-mode canvas { cursor: grab; }
.bench-scene.is-rotating-component canvas { cursor: grabbing; }
.bench-scene.is-rotating-component .bench-hud--status { color: var(--lime); border-color: rgba(201,255,106,.4); }

/* Contextual rotate buttons for the selected component */
.bench-object-tools {
  position: absolute; left: 15px; bottom: 48px; z-index: 7;
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px;
  max-width: calc(100% - 160px); padding: 5px 6px;
  background: rgba(5, 15, 10, .93); border: 1px solid rgba(201, 255, 106, .4);
  color: #b9ccbe; font: 500 8px var(--font-mono); box-shadow: 0 8px 24px rgba(0,0,0,.28);
}
.bench-object-tools[hidden] { display: none; }
.bench-object-tools .mono { color: var(--lime); font-size: 7px; }
.bench-object-tools strong {
  max-width: 112px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: #e3f0e5; font: 500 8px var(--font-mono);
}
.bench-object-tools button {
  border: 1px solid rgba(201, 255, 106, .25); background: rgba(201, 255, 106, .06);
  color: var(--lime-soft); padding: 3px 5px;
  font: 500 7.5px var(--font-mono); text-transform: uppercase;
}
.bench-object-tools button:hover { background: var(--lime); color: var(--ink); }
.bench-object-tools #bench-object-reset { color: #ffb0a7; border-color: rgba(255,140,128,.3); }
.bench-object-tools #bench-object-reset:hover { background: #ff8b7d; color: var(--ink); }

/* Ready-made demo strip */
.bench-demos {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 16px; padding: 10px 12px;
  background: #0a1711; border: 1px solid #253d2f; color: var(--paper);
}
.bench-demos__head { flex: none; max-width: 280px; }
.bench-demos__head .mono { display: flex; align-items: center; gap: 6px; color: var(--lime); font-size: 8px; }
.bench-demos__head p:last-child { margin-top: 3px; color: #8da496; font-size: 10px; line-height: 1.45; }
.demo-rail {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px;
  scrollbar-width: thin; scrollbar-color: #365441 transparent;
}
.demo-btn {
  flex: none; min-width: 122px; display: grid; gap: 3px; text-align: left;
  padding: 7px 9px; border: 1px solid rgba(208, 234, 219, .14);
  background: rgba(255, 255, 255, .025); color: #c3d4c8;
  transition: border-color .15s, background .15s;
}
.demo-btn:hover { border-color: rgba(201, 255, 106, .55); background: rgba(201, 255, 106, .06); }
.demo-btn.is-active { border-color: var(--lime); background: rgba(201, 255, 106, .1); }
.demo-btn strong { font: 600 10px var(--font-display); letter-spacing: -.01em; }
.demo-btn span { color: #9db3a5; font: 500 7.5px var(--font-mono); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-btn em { color: var(--lime); font: 600 7px var(--font-mono); font-style: normal; letter-spacing: .08em; text-transform: uppercase; display: flex; align-items: center; gap: 4px; }
.demo-btn em svg { width: 8px; height: 8px; fill: currentColor; stroke: none; }

.bench-views {
  position: absolute; left: 14px; top: 92px; z-index: 7;
  display: flex; align-items: center; gap: 2px; padding: 4px 5px;
  background: rgba(5, 15, 10, .88); border: 1px solid rgba(208, 234, 219, .2);
  backdrop-filter: blur(8px);
}
.bench-views .mono { color: #718a7a; font-size: 7px; margin: 0 3px 0 1px; }
.bench-views button {
  border: 1px solid transparent; background: transparent; color: #a7bdad;
  padding: 3px 5px; font: 600 7.5px var(--font-mono); letter-spacing: .04em;
  text-transform: uppercase;
}
.bench-views button:hover { color: var(--lime); }
.bench-views button[aria-pressed="true"] { background: var(--lime); color: var(--ink); }
.bench-scene:fullscreen { width: 100vw; height: 100vh; border: 0; }
@media (max-width: 740px) {
  .bench-views { top: 88px; }
}