:root {
  color-scheme: dark;
  --bg: #10141b;
  --panel: #171d27;
  --panel-2: #1f2937;
  --line: #334155;
  --text: #e5edf7;
  --muted: #93a4b8;
  --blue: #68a7ff;
  --fabric: #6f7882;
  --wall: #e3bd82;
  --glass: #b9e7ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1180px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 72px 1fr;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid #202938;
  background: #0d1118;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1 {
  margin: 2px 0 0;
  font-size: 24px;
  line-height: 1.1;
}

.toolbar {
  display: flex;
  gap: 8px;
}

button,
select {
  border: 1px solid #354256;
  border-radius: 7px;
  background: #192232;
  color: var(--text);
  padding: 8px 11px;
}

button:hover,
select:hover {
  border-color: #5f7eb0;
}

.layout {
  display: grid;
  grid-template-columns: 220px minmax(420px, 0.95fr) minmax(520px, 1.1fr) 260px;
  grid-template-rows: minmax(360px, 0.95fr) minmax(300px, 0.9fr);
  gap: 12px;
  padding: 12px;
  min-height: calc(100vh - 72px);
}

.panel {
  min-width: 0;
  min-height: 0;
  border: 1px solid #273244;
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.panel-title {
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid #273244;
  color: #c8d5e7;
  font-size: 13px;
  font-weight: 700;
}

.graph-panel {
  grid-row: 1 / span 2;
  padding: 12px;
  overflow: auto;
}

.graph-panel .panel-title {
  margin: -12px -12px 14px;
}

.node-card {
  position: relative;
  border: 1px solid #3a4b67;
  border-radius: 8px;
  background: #121923;
  box-shadow: 0 12px 28px #00000030;
  padding-bottom: 8px;
}

.node-card.active {
  border-color: #5f8fe8;
  box-shadow: 0 0 0 1px #3e6fd2, 0 18px 38px #00000040;
}

.node-card.compact {
  opacity: 0.82;
}

.node-head {
  padding: 10px 12px;
  border-radius: 7px 7px 0 0;
  background: #24324b;
  font-weight: 800;
  color: #d8e6ff;
}

.node-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px 0;
  color: var(--muted);
  font-size: 13px;
}

.node-row strong {
  color: #f4f7fb;
  font-weight: 700;
}

.port {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #85a3ca;
  background: #111827;
}

.port.in {
  left: -8px;
  top: 42px;
}

.port.out {
  right: -8px;
  bottom: 16px;
}

.wire {
  width: 2px;
  height: 34px;
  margin: 0 auto;
  background: #5c708f;
}

.facade-panel {
  grid-column: 2;
  grid-row: 1;
}

.sketch-panel {
  grid-column: 3 / span 2;
  grid-row: 1;
}

.control-panel {
  grid-column: 4;
  grid-row: 2;
  padding: 12px;
}

.control-panel .panel-title {
  margin: -12px -12px 12px;
}

.render-panel {
  grid-column: 2 / span 2;
  grid-row: 2;
}

svg {
  display: block;
  width: 100%;
  height: calc(100% - 36px);
}

.views {
  height: calc(100% - 36px);
  display: grid;
  grid-template-columns: 1fr 180px;
  grid-template-rows: 1fr 150px;
  gap: 10px;
  padding: 10px;
}

.view {
  position: relative;
  border: 1px solid #2b3749;
  border-radius: 8px;
  background: #101722;
  overflow: hidden;
}

.view.front {
  grid-column: 1;
  grid-row: 1;
}

.view.top {
  grid-column: 1;
  grid-row: 2;
}

.view.side {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.view svg {
  height: 100%;
}

.view-label {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: 10px;
  color: var(--muted);
  font-weight: 800;
  font-size: 12px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.field.inline {
  grid-template-columns: 1fr auto;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

output {
  color: var(--text);
  font-weight: 700;
}

.output {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid #2b3749;
}

.output div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.output strong {
  color: var(--text);
}

.wall {
  fill: var(--wall);
}

.glass {
  fill: var(--glass);
  opacity: 0.45;
}

.opening {
  fill: #24303d;
  stroke: #47576b;
  stroke-width: 2;
}

.opening.selected {
  stroke: var(--blue);
  stroke-width: 4;
}

.fabric {
  fill: var(--fabric);
  opacity: var(--fabric-opacity, 0.44);
  stroke: #d9e4ec;
  stroke-opacity: 0.4;
  stroke-width: 1.5;
}

.roller {
  stroke: #d7d1c6;
  stroke-width: 6;
  stroke-linecap: round;
}

.roller-square,
.roller-section {
  fill: #d7d1c6;
  stroke: #fff3d7;
  stroke-width: 1.5;
}

.arm {
  stroke: #e4e1d9;
  stroke-width: 3;
  stroke-linecap: round;
}

.guide {
  fill: none;
  stroke: #3e4b5e;
  stroke-dasharray: 4 6;
}

.sketch-shape {
  fill: rgba(111, 120, 130, 0.38);
  stroke: #e4edf7;
  stroke-width: 2;
}

.sketch-opening {
  fill: rgba(185, 231, 239, 0.08);
  stroke: #516177;
  stroke-width: 2;
}

.handle {
  fill: #0f172a;
  stroke: var(--blue);
  stroke-width: 3;
  cursor: grab;
}

.handle:active {
  cursor: grabbing;
}

.measure {
  fill: #dce9ff;
  font-size: 13px;
  font-weight: 800;
}

.axis-label {
  fill: #7f8da2;
  font-size: 12px;
  font-weight: 800;
}