:root {
  --ink: #17211c;
  --muted: #69736e;
  --line: #d9dfdb;
  --green: #174f37;
  --lime: #d9ef53;
  --paper: #f4f6f3;
  --white: #fff;
  --amber: #fff3c4;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    16px/1.45 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
.topbar {
  height: 78px;
  padding: 0 max(24px, calc((100vw - 1280px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green);
  color: #fff;
}
.brand {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 1px;
}
.brand img { display: block; width: min(250px, 54vw); height: auto; }
.brand .mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--lime);
  color: var(--green);
  font-weight: 900;
  clip-path: polygon(50% 0, 100% 35%, 84% 100%, 16% 100%, 0 35%);
}
.brand div {
  display: flex;
  flex-direction: column;
}
.brand strong {
  font-size: 18px;
  letter-spacing: 0.01em;
}
.brand small {
  color: #d5e2db;
  padding-left: 49px;
}
.prototype {
  border: 1px solid #6d927f;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 38px 24px 64px;
}
.intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 24px;
}
.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.intro h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -0.045em;
  line-height: 1;
}
.intro p:not(.eyebrow) {
  margin: 12px 0 0;
  max-width: 620px;
  color: var(--muted);
}
.mode {
  display: flex;
  padding: 5px;
  background: #e4e9e5;
  border-radius: 12px;
  white-space: nowrap;
}
.mode button {
  border: 0;
  background: transparent;
  border-radius: 8px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  color: #526059;
  cursor: pointer;
}
.mode button.active {
  background: #fff;
  color: var(--green);
  box-shadow: 0 1px 5px #183c2720;
}
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 22px;
  align-items: start;
}
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 8px 30px #2445300a;
}
.editor {
  padding: 28px;
}
.summary {
  position: sticky;
  top: 20px;
  padding: 25px;
}

.roof-underlay{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#f7faf8}.roof-underlay-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.roof-underlay-head h3{margin:0 0 5px}.roof-underlay-head p{margin:0;color:var(--muted)}.roof-enable{display:flex;gap:8px;align-items:center;font-weight:700}.roof-kind{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.roof-kind label{display:flex;gap:10px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}.roof-kind span{display:grid;gap:4px}.roof-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.roof-controls label{display:flex;flex-direction:column;gap:5px}.roof-controls input,.roof-controls select,.roof-controls textarea{min-width:0;padding:9px}.roof-controls label:has(input[type=checkbox]){flex-direction:row;align-items:center}.roof-controls .wide{grid-column:1/-1}.roof-foot-select{display:none!important}.roof-foot-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0;padding:10px;border:1px solid var(--line);border-radius:12px}.roof-foot-options legend{padding:0 6px;font-weight:800}.roof-foot-options label{position:relative;display:grid!important;grid-template-columns:1fr auto;align-items:end;gap:4px!important;padding:7px!important;border:2px solid #d4ddd7;border-radius:10px;background:#fff;cursor:pointer}.roof-foot-options label:has(input:checked){border-color:#b68c12;background:#fff9df;box-shadow:0 0 0 2px #e8cf79}.roof-foot-options input{position:absolute;opacity:0;pointer-events:none}.roof-foot-options svg{width:100%;min-width:0}.roof-foot-options b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#edf3ef;color:var(--green)}.roof-foot-timber{fill:#f3df68;stroke:#8f7620;stroke-width:1;stroke-linejoin:miter}.roof-profile-card{margin-top:16px;padding:12px;border-radius:12px;background:#fff;border:1px solid var(--line)}#roofProfile{display:block;width:100%;max-height:360px}.roof-member{fill:#c49b25;stroke:#8e701b;stroke-width:1;stroke-linejoin:miter}.roof-web{fill:#b58d20}.roof-dimension{fill:none;stroke:#315d4c;stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter}.roof-dimension-text{fill:#315d4c;font-size:15px;font-weight:800}.roof-profile-text{fill:#163f31;font-size:20px;font-weight:700}@media(max-width:700px){.roof-underlay-head{display:grid}.roof-kind,.roof-controls{grid-template-columns:1fr 1fr}.roof-controls .wide,.roof-linked{grid-column:1/-1}.roof-foot-options{grid-template-columns:1fr 1fr}}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.section-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.secondary,
.primary {
  border: 0;
  border-radius: 10px;
  padding: 12px 15px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.secondary {
  background: #e8efe9;
  color: var(--green);
}
.primary {
  width: 100%;
  background: var(--green);
  color: #fff;
}
.primary:disabled {
  opacity: 0.55;
}
.rows-head,
.cut-row {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 0.8fr 1.5fr 34px;
  gap: 10px;
  align-items: center;
}
.rows-head {
  padding: 0 4px 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}
.cut-row {
  padding: 11px 0;
  border-top: 1px solid #edf0ee;
}
.cut-row label {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #bdc7c1;
  border-radius: 9px;
  overflow: hidden;
}
.cut-row label input {
  width: 100%;
  border: 0;
  padding: 11px 8px 11px 12px;
  font: inherit;
  outline: 0;
}
.cut-row label span {
  padding-right: 10px;
  color: var(--muted);
  font-size: 13px;
}
.cut-row select,
.form-grid select {
  width: 100%;
  padding: 11px;
  border: 1px solid #bdc7c1;
  border-radius: 9px;
  background: #fff;
  font: inherit;
}
.remove {
  border: 0;
  background: transparent;
  color: #849089;
  font-size: 24px;
  cursor: pointer;
}
.note {
  margin-top: 20px;
  padding: 15px 17px;
  border-radius: 10px;
  background: #edf4ef;
  color: #365244;
  font-size: 14px;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid #e8ece9;
}
.metric span {
  color: var(--muted);
  font-size: 14px;
}
.metric strong {
  font-size: 18px;
}
.stock-plan {
  padding: 15px 0;
  font-size: 13px;
  color: #53615a;
}
.stock-plan div {
  display: flex;
  justify-content: space-between;
  margin: 5px 0;
}
.price-lines {
  padding: 13px 0;
  border-top: 1px solid var(--line);
}
.price-lines div {
  display: flex;
  justify-content: space-between;
  margin: 8px 0;
  color: var(--muted);
  font-size: 14px;
}
.price-lines b {
  color: var(--ink);
}
.total {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: end;
  padding: 17px 0;
  border-top: 2px solid var(--ink);
}
.total span {
  font-size: 13px;
  font-weight: 750;
}
.total strong {
  font-size: 25px;
  white-space: nowrap;
}
.price-note {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 16px;
}
.quote-error {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid #d99b8c;
  border-radius: 8px;
  background: #fff0ec;
  color: #792a1d;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #4f5b55;
  font-size: 13px;
  font-weight: 750;
}
.form-grid label span {
  display: flex;
  align-items: center;
  border: 1px solid #bdc7c1;
  border-radius: 9px;
  overflow: hidden;
  font-weight: 400;
}
.form-grid input {
  width: 100%;
  padding: 11px;
  border: 0;
  font: inherit;
  outline: 0;
}
.form-grid label span::after {
  content: "mm";
  padding-right: 12px;
  color: var(--muted);
}
.calculation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 24px 0;
  padding: 18px;
  border-radius: 12px;
  background: #17211c;
  color: #fff;
}
.calculation span {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: #aebbb4;
}
.calculation strong {
  color: #fff;
  font-size: 18px;
}
.calculation i {
  font-size: 22px;
  color: var(--lime);
  font-style: normal;
}
.saving-tip {
  padding: 13px 16px;
  background: var(--amber);
  border: 1px solid #edd36a;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 20px;
}
.plan-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.plan-title {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}
.plan-title strong {
  color: var(--ink);
}
#plan {
  width: 100%;
  height: 350px;
  margin-top: 10px;
}
#plan .wall {
  fill: #d8e7de;
  stroke: var(--green);
  stroke-width: 5;
}
#plan .stud {
  stroke: #739380;
  stroke-width: 3;
}
#plan .measure {
  fill: var(--muted);
  font-size: 18px;
}
.summary .eyebrow {
  margin-top: 0;
}
@media (max-width: 900px) {
  .intro {
    align-items: stretch;
    flex-direction: column;
  }
  .mode {
    align-self: flex-start;
  }
  .workspace {
    grid-template-columns: 1fr;
  }
  .summary {
    position: static;
  }
  .rows-head {
    display: none;
  }
  .cut-row {
    grid-template-columns: 1fr 1fr 32px;
  }
  .cut-row .notch {
    grid-column: 1/3;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  main {
    padding: 24px 14px 40px;
  }
  .editor,
  .summary {
    padding: 19px;
  }
  .mode {
    width: 100%;
    overflow: auto;
  }
  .mode button {
    flex: 1;
  }
  .cut-row {
    grid-template-columns: 1fr 1fr 30px;
  }
  .calculation {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .calculation i {
    display: none;
  }
  #plan {
    height: 250px;
  }
}
.roof-plan-truss line{stroke:#7b5da7;stroke-width:2;stroke-dasharray:5 4}.roof-plan-truss text{fill:#62458e;font-size:9px;font-weight:800}.roof-slope-arrow line{stroke:#b27700;stroke-width:3;marker-end:url(#dimArrowEnd)}.roof-slope-arrow text{fill:#8a5d00;font-size:10px;font-weight:800}.roof-3d-member{stroke:#a7841e;stroke-width:4;fill:none;stroke-linecap:butt;stroke-linejoin:miter}
.frame3d-launch{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:16px 0 20px;padding:18px;border:1px solid #bdd2c5;border-radius:12px;background:#edf6f0}.frame3d-launch h3,.frame3d-launch p{margin:0}.frame3d-launch p{margin-top:5px;color:var(--muted);font-size:14px}.frame3d-launch button{flex:0 0 auto}.frame3d-dialog{width:min(1180px,calc(100vw - 28px));max-width:none;padding:0;border:0;border-radius:16px;background:#fff;box-shadow:0 24px 80px #08291d66}.frame3d-dialog::backdrop{background:#08291dbf}.frame3d-shell{display:grid;grid-template-rows:auto auto minmax(360px,1fr) auto auto;max-height:calc(100vh - 28px);overflow:hidden}.frame3d-head{display:flex;justify-content:space-between;gap:20px;padding:20px 22px 14px;border-bottom:1px solid var(--line)}.frame3d-head h2,.frame3d-head p{margin:0}.frame3d-head>div>p:last-child{margin-top:4px;color:var(--muted)}.frame3d-close{width:46px;height:46px;padding:0;border-radius:50%;font-size:30px;line-height:1;background:#edf3ef;color:var(--green)}.frame3d-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:12px 22px;border-bottom:1px solid var(--line)}.frame3d-toolbar label{display:flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid #cbdad1;border-radius:999px;background:#fff;font-size:14px;font-weight:700}.frame3d-toolbar input{width:18px;height:18px;accent-color:var(--green)}.frame3d-toolbar .frame3d-color{padding:4px 5px 4px 11px}.frame3d-color select{min-height:34px;padding:4px 28px 4px 9px;border:0;border-radius:999px;background:#edf3ef;color:var(--green);font-weight:800}.frame3d-viewport{min-height:360px;overflow:hidden;background:#f8fbf9;cursor:grab;touch-action:none;user-select:none}.frame3d-viewport.dragging{cursor:grabbing}.frame3d-viewport svg{display:block;width:100%;height:100%;min-height:360px}.frame3d-controls{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px 22px;border-top:1px solid var(--line)}.frame3d-controls>label{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700}.frame3d-controls input{width:min(260px,32vw)}.frame3d-pan{display:flex;gap:4px}.frame3d-pan button{width:40px;height:40px;padding:0;border-radius:8px;background:#edf3ef;color:var(--green)}.frame3d-foot{display:flex;justify-content:space-between;gap:12px;padding:10px 22px;background:#f3f7f4;color:var(--muted);font-size:13px}.frame3d-foot>span:last-child{display:flex;flex-wrap:wrap;align-items:center;gap:5px}.frame3d-foot i{width:10px;height:10px;margin-left:8px;border-radius:2px;background:#2f7a55}.frame3d-foot i.interior{background:#2f7a55}.frame3d-foot i.floor{background:#6b87a0}.frame3d-foot i.roof{background:#c68b1f}.frame3d-dialog[data-color-mode="timber"] .frame3d-foot i{background:#d5a13b}
@media(max-width:700px){.frame3d-launch{align-items:stretch;flex-direction:column}.frame3d-dialog{width:100vw;height:100dvh;max-height:none;border-radius:0}.frame3d-shell{height:100dvh;max-height:none;grid-template-rows:auto auto minmax(260px,1fr) auto auto}.frame3d-head{padding:14px}.frame3d-head>div>p:last-child{font-size:13px}.frame3d-toolbar{padding:9px 12px}.frame3d-toolbar label{padding:7px 9px;font-size:13px}.frame3d-viewport,.frame3d-viewport svg{min-height:260px}.frame3d-controls{flex-wrap:wrap;padding:10px 12px}.frame3d-controls>label{width:100%;justify-content:center}.frame3d-controls input{width:min(280px,58vw)}.frame3d-foot{padding:8px 12px;flex-direction:column}.frame3d-foot>span:last-child{display:none}}