/* Theme tokens */
    :root {
  color-scheme:dark;
  --bg:#101419;
  --panel:#171d24;
  --line:#29333e;
  --muted:#93a1ad;
  --text:#edf2f6;
  --accent:#66d6b2;
  --blue:#78a9ff
}
    /* Base controls */
* {
  box-sizing:border-box
}
body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:14px/1.5 Inter,"Segoe UI",sans-serif
}
button,input,select {
  font:inherit
}
button {
  cursor:pointer;
  border:0;
  border-radius:8px;
  padding:10px 14px;
  background:var(--accent);
  color:#0b1714;
  font-weight:700
}
button:disabled {
  opacity:.4;
  cursor:not-allowed
}
    /* App and preview layout */
.app {
  min-height:100vh;
  display:grid;
  grid-template-columns:320px 1fr
}
.side {
  padding:16px 18px;
  border-right:1px solid var(--line);
  background:#13181e;
  overflow:auto
}
.brand {
  display:flex;
  gap:12px;
  align-items:center;
  margin-bottom:12px
}
.logo {
  width:38px;
  height:38px;
  border-radius:11px;
  background:#1e3f39;
  color:var(--accent);
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:18px
}
.brand h1 {
  font-size:16px;
  line-height:1.25;
  margin:0
}
.brand p {
  font-size:12px;
  color:var(--muted);
  margin:3px 0 0
}
    /* DXF input controls */
.step {
  font-size:11px;
  color:var(--accent);
  font-weight:800;
  letter-spacing:.09em;
  text-transform:uppercase;
  margin:12px 0 6px
}
.drop {
  border:1px dashed #43515d;
  border-radius:12px;
  padding:10px 14px;
  text-align:center;
  background:#171f26;
  transition:.2s
}
.drop.drag {
  border-color:var(--accent);
  background:#1a2c29
}
.drop strong {
  display:block;
  margin-bottom:4px
}
.drop small {
  display:block;
  color:var(--muted)
}
.drop input {
  display:none
}
.pick {
  display:inline-block;
  margin-top:6px;
  padding:7px 12px;
  border-radius:7px;
  background:#27333c;
  color:var(--text);
  cursor:pointer
}
.fileline {
  font-size:12px;
  color:#b9c6cf;
  margin-top:5px;
  overflow-wrap:anywhere
}
.field {
  margin:7px 0
}
.field label {
  display:block;
  color:#c5cfd7;
  font-size:12px;
  margin-bottom:4px
}
.field select,.field input {
  width:100%;
  height:36px;
  padding:0 10px;
  border-radius:7px;
  border:1px solid #34414c;
  background:#10161b;
  color:var(--text);
  outline:none
}
.field select:focus,.field input:focus {
  border-color:var(--accent)
}
.grid2 {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px
}
.check {
  display:flex;
  gap:8px;
  align-items:center;
  color:#bec9d1;
  font-size:12px;
  margin:7px 0
}
.check input {
  accent-color:var(--accent)
}
.primary {
  width:100%;
  margin-top:5px
}
.status {
  min-height:20px;
  color:var(--muted);
  font-size:12px;
  margin-top:5px
}
.status.error {
  color:#ff9c91
}
.hint {
  font-size:11px;
  color:#82919c;
  margin-top:12px
}
    /* Preview and generated parts */
.main {
  min-width:0;
  display:flex;
  flex-direction:column
}
.top {
  height:70px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 22px
}
.top h2 {
  font-size:15px;
  margin:0
}
.top small {
  color:var(--muted)
}
.toolbar {
  display:flex;
  gap:8px
}
.secondary {
  background:#27323c;
  color:#dce5eb;
  font-size:12px;
  padding:8px 11px
}
.viewer {
  position:relative;
  flex:1;
  min-height:420px;
  background:radial-gradient(ellipse at 50% 42%,#1b242c 0,#12181e 60%,#101419 100%)
}
#viewport {
  position:absolute;
  inset:0
}
.empty {
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  text-align:center;
  pointer-events:none
}
.emptybox {
  max-width:370px;
  padding:22px
}
.emptyicon {
  font-size:36px;
  color:#536470
}
.empty h3 {
  font-size:17px;
  margin:8px 0
}
.empty p {
  color:var(--muted);
  font-size:13px
}
.hidden {
  display:none!important
}
.badge {
  position:absolute;
  left:18px;
  top:16px;
  background:#131a20dd;
  border:1px solid var(--line);
  border-radius:7px;
  padding:7px 10px;
  color:#c2cdd5;
  font-size:11px
}
.legend {
  position:absolute;
  right:18px;
  top:16px;
  background:#131a20dd;
  border:1px solid var(--line);
  border-radius:8px;
  padding:10px 12px;
  font-size:11px;
  color:#bdc8d0
}
.legend span {
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  margin-right:6px
}
/* Generated parts and footer */
.partslist {
  margin-top:14px;
  padding:11px;
  border:1px solid var(--line);
  border-radius:9px;
  background:#10161b
}
.partslist b {
  display:block;
  font-size:12px;
  margin-bottom:7px
}
.partrow {
  display:flex;
  align-items:center;
  gap:8px;
  padding:4px 0;
  color:#c6d1d8;
  font-size:12px
}
.partrow input {
  accent-color:var(--accent)
}
.swatch {
  width:9px;
  height:9px;
  border-radius:2px;
  display:inline-block
}
.footer {
  border-top:1px solid var(--line);
  padding:13px 20px;
  color:var(--muted);
  font-size:11px;
  display:flex;
  justify-content:space-between
}
.toast {
  color:var(--accent)
}
    /* Responsive layout */
@media(max-width:850px) {
.app {
  grid-template-columns:1fr
}
.side {
  border-right:0;
  border-bottom:1px solid var(--line);
  padding:18px
}
.main {
  min-height:65vh
}
.top {
  height:58px
}
}