:root {
  --ink: #111820;
  --muted: #65717f;
  --line: #dce2e7;
  --paper: #f4f6f5;
  --white: #ffffff;
  --navy: #0b1220;
  --lime: #c8f54a;
  --lime-deep: #8dbd15;
  --orange: #ff7a45;
  --blue: #4274ff;
  --shadow: 0 22px 50px rgba(15, 26, 36, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { color: inherit; }
.grain { position: fixed; inset: 0; opacity: .035; pointer-events: none; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E"); }

.topbar { height: 70px; padding: 0 clamp(22px, 4vw, 68px); display: flex; align-items: center; justify-content: space-between; background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 15; }
.brand { color: #fff; text-decoration: none; display: flex; gap: 12px; align-items: center; }
.brand-mark { width: 34px; height: 34px; position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; transform: skew(-8deg); }
.brand-mark i { display: block; border: 2px solid var(--lime); }
.brand-mark i:nth-child(2) { background: var(--lime); }
.brand strong { display: block; font-size: 14px; letter-spacing: .18em; }
.brand small { display: block; color: #8996a8; font-size: 8px; letter-spacing: .15em; margin-top: 2px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.security { color: #b5c0cc; font-size: 12px; padding-right: 16px; border-right: 1px solid #2c3542; }
.pulse { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(200,245,74,.12); }
.icon-btn, .avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; }
.icon-btn { border: 1px solid #3a4656; background: transparent; color: #c5ced8; cursor: pointer; }
.avatar { background: var(--lime); color: #19210e; font-size: 11px; font-weight: 800; }

main { overflow: hidden; }
.hero { min-height: 310px; color: #fff; background: var(--navy); padding: 50px clamp(22px, 7vw, 112px) 62px; display: flex; justify-content: space-between; align-items: flex-end; position: relative; }
.hero::before { content: ""; position: absolute; right: 9%; top: 20px; width: 400px; height: 240px; opacity: .11; background: repeating-linear-gradient(115deg, transparent 0 28px, var(--lime) 29px 30px); transform: skew(-18deg); }
.hero::after { content: ""; position: absolute; width: 190px; height: 190px; border: 1px solid rgba(200,245,74,.28); border-radius: 50%; right: 19%; top: 28px; box-shadow: 0 0 0 36px rgba(200,245,74,.025), 0 0 0 72px rgba(200,245,74,.015); }
.eyebrow, .kicker { color: var(--lime-deep); font-size: 10px; letter-spacing: .18em; font-weight: 800; }
.eyebrow span { border: 1px solid #43512c; color: var(--lime); padding: 3px 6px; margin-left: 7px; }
.hero h1 { font-size: clamp(38px, 5vw, 68px); line-height: .98; letter-spacing: -.04em; margin: 18px 0 20px; font-weight: 750; position: relative; z-index: 1; }
.hero h1 em { color: var(--lime); font-style: normal; }
.hero p { color: #9da9b8; max-width: 560px; font-size: 15px; line-height: 1.8; margin: 0; }
.hero-status { position: relative; z-index: 1; width: 280px; padding: 18px 0 4px 24px; border-left: 2px solid var(--lime); }
.hero-status span, .hero-status small { display: block; color: #8290a1; font-size: 11px; }
.hero-status strong { display: block; font-size: 16px; margin: 8px 0; }

.pipeline { background: #fff; display: flex; align-items: center; padding: 18px clamp(22px, 7vw, 112px); border-bottom: 1px solid var(--line); }
.pipeline-step { border: 0; background: transparent; display: flex; align-items: center; gap: 10px; text-align: left; opacity: .42; cursor: pointer; padding: 0; transition: .25s; }
.pipeline-step.active, .pipeline-step.done { opacity: 1; }
.pipeline-step b { width: 30px; height: 30px; border: 1px solid #bec6cd; display: grid; place-items: center; font-size: 10px; }
.pipeline-step.active b { background: var(--navy); color: var(--lime); border-color: var(--navy); }
.pipeline-step.done b { background: var(--lime); border-color: var(--lime); }
.pipeline-step span { font-size: 12px; font-weight: 700; white-space: nowrap; }
.pipeline-step small { display: block; color: var(--muted); font-weight: 400; font-size: 9px; margin-top: 2px; }
.pipe-line { flex: 1; height: 1px; margin: 0 22px; background: var(--line); }

.workspace { max-width: 1440px; margin: 0 auto; min-height: 720px; display: grid; grid-template-columns: 360px 1fr; background: #fff; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.control-panel { padding: 34px 30px; border-right: 1px solid var(--line); background: #fbfcfb; }
.panel-heading { display: flex; gap: 15px; margin-bottom: 30px; align-items: flex-start; }
.section-index { width: 36px; height: 36px; background: var(--lime); display: grid; place-items: center; font-size: 11px; font-weight: 900; flex: 0 0 auto; }
.panel-heading h2, .section-title h2 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.panel-heading p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.field-label { display: block; color: #64707c; font-size: 10px; font-weight: 700; margin: 20px 0 8px; }
.select-wrap { position: relative; }
.select-wrap::after { content: "⌄"; position: absolute; right: 13px; top: 10px; pointer-events: none; }
select { width: 100%; border: 1px solid var(--line); background: #fff; padding: 11px 36px 11px 12px; font-size: 12px; appearance: none; outline: 0; }
select:focus, input:focus { border-color: #9bb936; box-shadow: 0 0 0 3px rgba(200,245,74,.15); }
.upload-card { border: 1px dashed #bfc9ce; margin: 18px 0; padding: 19px 15px; text-align: center; cursor: pointer; transition: .25s; background: #fff; }
.upload-card:hover, .upload-card:focus { border-color: var(--lime-deep); background: #fbfff1; outline: none; }
.upload-icon { width: 34px; height: 34px; background: #eff2ec; display: grid; place-items: center; margin: 0 auto 9px; }
.upload-icon svg { width: 18px; fill: none; stroke: #5f6d76; stroke-width: 1.6; }
.upload-card strong, .upload-card span, .upload-card small { display: block; }
.upload-card strong { font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-card span { color: var(--muted); font-size: 9px; margin: 5px 0 8px; }
.upload-card small { color: var(--lime-deep); font-size: 9px; font-weight: 700; }
.compact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.compact-grid label > span { display: block; font-size: 9px; color: var(--muted); margin-bottom: 5px; }
.compact-grid label div { display: flex; background: #fff; border: 1px solid var(--line); align-items: center; }
.compact-grid input { min-width: 0; width: 100%; border: 0; padding: 10px; outline: none; background: transparent; font-weight: 700; }
.compact-grid i { font-style: normal; color: #87919b; font-size: 9px; padding-right: 9px; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: #fff; }
.segmented button { padding: 9px; border: 0; border-right: 1px solid var(--line); background: transparent; font-size: 10px; cursor: pointer; }
.segmented button:last-child { border: 0; }
.segmented button.active { background: var(--navy); color: #fff; }
.primary-action { border: 0; width: 100%; margin-top: 24px; padding: 14px 16px; background: var(--lime); font-size: 12px; font-weight: 800; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: .2s; }
.primary-action:hover { background: #d5ff60; transform: translateY(-1px); }
.primary-action:disabled { opacity: .6; transform: none; cursor: wait; }
.primary-action svg { width: 17px; fill: none; stroke: #121b1f; stroke-width: 1.8; }
.privacy-note { color: #8a949d; font-size: 8px; text-align: center; }
.privacy-note span { color: var(--lime-deep); }

.main-panel { padding: 38px clamp(28px, 4vw, 58px); min-width: 0; }
.stage-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.stage-head h2 { margin: 7px 0 0; font-size: 25px; }
.run-state { font-size: 10px; color: var(--muted); background: #f2f4f4; padding: 8px 10px; }
.run-state span { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #aeb7be; margin-right: 5px; }
.run-state.running span { background: var(--orange); animation: blink 1s infinite; }
.run-state.done span { background: var(--lime-deep); }
@keyframes blink { 50% { opacity: .25; } }
.empty-state { min-height: 500px; display: grid; place-content: center; justify-items: center; text-align: center; color: var(--muted); }
.empty-state h3 { color: var(--ink); font-size: 17px; margin: 12px 0 4px; }
.empty-state p { max-width: 420px; font-size: 11px; line-height: 1.8; }
.scan-visual { width: 180px; height: 140px; position: relative; background: #fafcf8; overflow: hidden; }
.scan-visual svg { width: 160px; height: 120px; margin: 10px; fill: none; stroke: #9ba6ab; stroke-width: 1.4; }
.scan-visual svg circle, .scan-visual svg path:last-child { stroke: var(--lime-deep); }
.scan-line { display: none; position: absolute; left: 20px; right: 20px; height: 1px; background: var(--lime-deep); box-shadow: 0 0 12px var(--lime); z-index: 2; animation: scan 1.2s linear infinite; }
.empty-state.scanning .scan-line { display: block; }
@keyframes scan { from { top: 18px; } to { top: 120px; } }
.hidden { display: none !important; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); margin: 24px 0 18px; }
.metric-row > div { padding: 15px 16px; border-right: 1px solid var(--line); }
.metric-row > div:last-child { border: 0; }
.metric-row span { display: block; color: var(--muted); font-size: 9px; }
.metric-row strong { display: block; font-size: 25px; margin: 5px 0; }
.metric-row strong small { font-size: 10px; margin-left: 2px; }
.metric-row i { font-style: normal; font-size: 8px; }
.good { color: #659200; } .warn { color: #d35c31; }
.analysis-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: 18px; }
.card { border: 1px solid var(--line); background: #fff; }
.card-head { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.card-head h3 { font-size: 12px; margin: 0; }
.text-btn { border: 0; background: transparent; color: var(--lime-deep); cursor: pointer; font-size: 9px; font-weight: 700; }
.param-list { padding: 7px 16px 11px; }
.param-item { display: grid; grid-template-columns: 110px 1fr 68px; gap: 9px; align-items: center; padding: 9px 0; border-bottom: 1px solid #edf0f1; font-size: 10px; }
.param-item:last-child { border: 0; }
.param-item > span { color: var(--muted); }
.param-item strong { font-size: 11px; }
.confidence { text-align: right; color: #699400; font-size: 8px; }
.source-line { display: none; grid-column: 1 / -1; color: #7d8891; padding: 7px 9px; background: #f4f6f2; border-left: 2px solid var(--lime); font-size: 8px; line-height: 1.5; }
.show-sources .source-line { display: block; }
.count-badge { width: 20px; height: 20px; display: grid; place-items: center; background: #fff0e8; color: #d75b2e; font-size: 9px; font-weight: 800; }
.issue-card { background: #fffcfa; }
.issue { padding: 14px 16px; border-bottom: 1px solid #f0e3dc; display: flex; gap: 11px; }
.issue:last-child { border: 0; }
.issue-mark { width: 23px; height: 23px; flex: 0 0 auto; background: #ffeadf; color: #e45d2c; display: grid; place-items: center; font-size: 11px; font-weight: 900; }
.issue p { margin: 0; font-size: 10px; line-height: 1.5; }
.issue p small { display: block; color: #8a9399; margin-top: 4px; }
.issue button { margin-top: 8px; border: 1px solid #dfd6d2; background: #fff; font-size: 8px; padding: 5px 8px; cursor: pointer; }
.confirm-bar { margin-top: 18px; padding: 14px 16px; background: var(--navy); color: #fff; display: flex; justify-content: space-between; align-items: center; }
.confirm-bar > div { display: flex; gap: 10px; align-items: center; }
.confirm-icon { width: 27px; height: 27px; display: grid; place-items: center; border: 1px solid #536071; color: var(--lime); }
.confirm-bar p { margin: 0; font-size: 10px; }
.confirm-bar small { display: block; color: #8995a5; margin-top: 3px; }
.confirm-bar button { border: 0; background: var(--lime); padding: 9px 14px; font-size: 9px; font-weight: 800; cursor: pointer; }

.solution-section, .drawing-section { position: relative; padding: 65px clamp(22px, 7vw, 112px); max-width: 1440px; margin: 0 auto; }
.solution-section { background: #eef0ed; }
.section-title { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; }
.section-title > div:first-child { display: flex; gap: 14px; align-items: center; }
.section-title .kicker { display: block; margin-bottom: 6px; }
.section-title p { max-width: 390px; color: var(--muted); font-size: 9px; line-height: 1.6; margin: 0; text-align: right; }
.lock-overlay { display: none; position: absolute; inset: 0; z-index: 3; background: rgba(238,240,237,.78); backdrop-filter: blur(3px); place-items: center; }
.locked .lock-overlay { display: grid; }
.lock-overlay span { background: var(--navy); color: #fff; padding: 11px 16px; font-size: 10px; }
.solution-layout { display: grid; grid-template-columns: 1fr 330px; gap: 20px; }
.model-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.model-card { background: #fff; border: 1px solid var(--line); padding: 20px; cursor: pointer; position: relative; transition: .25s; }
.model-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.model-card.selected { border: 2px solid var(--navy); padding: 19px; }
.model-card.selected::after { content: "已选择"; position: absolute; top: 0; right: 0; background: var(--lime); padding: 5px 8px; font-size: 8px; font-weight: 800; }
.model-score { width: 52px; height: 52px; border-radius: 50%; border: 5px solid #e4e9e1; border-top-color: var(--lime-deep); display: grid; place-items: center; font-size: 11px; font-weight: 800; }
.model-card h3 { font-size: 23px; margin: 18px 0 4px; }
.model-card > span { color: var(--muted); font-size: 9px; }
.model-card ul { padding: 0; margin: 17px 0 0; list-style: none; }
.model-card li { font-size: 9px; margin: 8px 0; padding-left: 12px; position: relative; }
.model-card li::before { content: ""; width: 4px; height: 4px; background: var(--lime-deep); position: absolute; left: 0; top: 4px; }
.rule-panel { background: var(--navy); color: #fff; }
.rule-panel .card-head { border-color: #293240; }
.rule-version { color: var(--lime); font-size: 8px; }
.rule-ring { width: 120px; height: 120px; margin: 22px auto 10px; position: relative; display: grid; place-items: center; }
.rule-ring svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.rule-ring circle { fill: none; stroke: #28313e; stroke-width: 8; }
.rule-ring .progress { stroke: var(--lime); stroke-dasharray: 302; stroke-dashoffset: 30; }
.rule-ring strong { font-size: 24px; }
.rule-ring small { font-size: 10px; color: #8c98a8; }
.rule-list { list-style: none; margin: 10px 0 0; padding: 0 20px 18px; }
.rule-list li { display: flex; gap: 9px; padding: 10px 0; border-bottom: 1px solid #27303d; }
.rule-list li:last-child { border: 0; }
.rule-list > li > span { width: 18px; height: 18px; display: grid; place-items: center; font-size: 8px; flex: 0 0 auto; }
.rule-list .pass { background: rgba(200,245,74,.12); color: var(--lime); }
.rule-list .pending { background: rgba(255,122,69,.15); color: var(--orange); }
.rule-list p { margin: 0; font-size: 9px; }
.rule-list small { display: block; color: #6f7b8a; margin-top: 3px; font-size: 7px; }

.drawing-section { background: #fff; }
.drawing-actions { display: flex; gap: 8px; }
.secondary-btn, .primary-small { padding: 9px 12px; font-size: 9px; font-weight: 700; cursor: pointer; }
.secondary-btn { border: 1px solid var(--line); background: #fff; }
.primary-small { border: 1px solid var(--navy); background: var(--navy); color: #fff; }
.drawing-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 290px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.drawing-canvas { min-width: 0; background: #e8ebea; padding: 14px; }
.drawing-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.view-tabs { display: flex; background: #dce0de; }
.view-tabs button { border: 0; background: transparent; padding: 7px 11px; font-size: 8px; cursor: pointer; }
.view-tabs button.active { background: #fff; font-weight: 800; }
.zoom-label { font-size: 8px; color: #6f797f; }
.zoom-label span { margin: 0 5px; }
.sheet { aspect-ratio: 1.42/1; max-height: 590px; background: #fff; position: relative; overflow: hidden; box-shadow: 0 8px 25px rgba(36,46,55,.1); }
.sheet-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(#8ab4d3 1px, transparent 1px), linear-gradient(90deg, #8ab4d3 1px, transparent 1px); background-size: 20px 20px; }
#cabinetDrawing { position: absolute; inset: 2% 3% 12%; width: 94%; height: 86%; }
#cabinetDrawing * { vector-effect: non-scaling-stroke; }
.title-block { position: absolute; right: 0; bottom: 0; height: 58px; width: 55%; border-top: 1px solid #18212a; border-left: 1px solid #18212a; display: grid; grid-template-columns: 1fr 70px 80px; background: rgba(255,255,255,.94); }
.title-block > div { padding: 7px 9px; border-right: 1px solid #18212a; }
.title-block strong, .title-block span, .title-block b { display: block; }
.title-block strong { font-size: 8px; }
.title-block span { font-size: 7px; margin-top: 4px; }
.title-block b { font-size: 8px; margin-top: 4px; }
.property-panel { padding: 20px; background: #fbfcfb; border-left: 1px solid var(--line); }
.property-panel .card-head { padding: 0 0 15px; }
.live-tag { color: #679100; background: #eef8d5; padding: 4px 6px; font-size: 7px; }
.property-panel > label { display: block; margin: 20px 0; }
.property-panel label > span { display: block; font-size: 9px; color: var(--muted); margin-bottom: 8px; }
.property-panel label div { display: grid; grid-template-columns: 1fr 62px; gap: 10px; align-items: center; }
input[type="range"] { width: 100%; accent-color: var(--navy); }
output { font-size: 9px; text-align: right; font-weight: 700; }
.property-stats { margin-top: 26px; border-top: 1px solid var(--line); }
.property-stats > div { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 9px; }
.property-stats span { color: var(--muted); }
.revision-note { margin-top: 22px; border-left: 2px solid var(--orange); padding-left: 12px; }
.revision-note span { color: #db6539; font-size: 8px; font-weight: 800; }
.revision-note p { color: var(--muted); font-size: 8px; line-height: 1.6; }

footer { background: var(--navy); color: #fff; padding: 30px clamp(22px, 7vw, 112px); display: flex; justify-content: space-between; align-items: center; }
footer strong, footer span { display: block; }
footer strong { letter-spacing: .14em; font-size: 12px; }
footer span, footer p { color: #748090; font-size: 8px; }

dialog { max-width: 520px; border: 0; padding: 34px; box-shadow: 0 35px 100px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(5,10,16,.7); backdrop-filter: blur(4px); }
dialog h2 { font-size: 25px; margin: 8px 0 15px; }
dialog p, dialog li { color: var(--muted); font-size: 11px; line-height: 1.7; }
dialog ul { padding-left: 18px; }
dialog li { margin: 7px 0; }
dialog li b { color: var(--ink); }
.dialog-close { position: absolute; right: 14px; top: 10px; border: 0; background: none; font-size: 23px; cursor: pointer; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--navy); color: #fff; padding: 11px 16px; font-size: 10px; z-index: 30; opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1050px) {
  .workspace { grid-template-columns: 310px 1fr; }
  .analysis-grid, .solution-layout { grid-template-columns: 1fr; }
  .model-cards { grid-template-columns: repeat(3, 1fr); }
  .rule-panel { display: grid; grid-template-columns: 1fr 2fr; align-items: center; }
  .rule-panel .card-head { grid-column: 1 / -1; }
  .drawing-workspace { grid-template-columns: 1fr; }
  .property-panel { border-left: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .property-panel .card-head, .property-stats, .revision-note { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .security { display: none; }
  .hero { min-height: 390px; align-items: flex-start; flex-direction: column; padding-top: 40px; }
  .hero-status { width: 100%; }
  .pipeline { overflow-x: auto; gap: 8px; }
  .pipe-line { min-width: 20px; margin: 0 3px; }
  .pipeline-step small { display: none; }
  .workspace { display: block; border: 0; }
  .control-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .main-panel { padding: 28px 20px; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row > div:nth-child(2) { border-right: 0; }
  .metric-row > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .analysis-grid { grid-template-columns: 1fr; }
  .confirm-bar { align-items: flex-start; gap: 12px; flex-direction: column; }
  .solution-section, .drawing-section { padding: 45px 20px; }
  .section-title { align-items: flex-start; flex-direction: column; gap: 18px; }
  .section-title p { text-align: left; }
  .model-cards { grid-template-columns: 1fr; }
  .rule-panel { display: block; }
  .drawing-actions { width: 100%; overflow-x: auto; }
  .drawing-actions button { white-space: nowrap; }
  .property-panel { display: block; }
  .title-block { width: 80%; transform: scale(.8); transform-origin: right bottom; }
  footer { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media print {
  .topbar, .hero, .pipeline, .control-panel, .stage-head, .analysis-content, .solution-section, .section-title, .property-panel, footer { display: none !important; }
  body, .drawing-section, .drawing-workspace, .drawing-canvas { background: #fff; padding: 0; margin: 0; border: 0; box-shadow: none; }
  .drawing-section { display: block !important; }
  .sheet { width: 100vw; max-height: none; box-shadow: none; }
}

/* V0.2 readability and spacing pass */
:root {
  --font-micro: 11px;
  --font-label: 13px;
  --font-body: 15px;
  --font-subtitle: 18px;
  --font-section: 30px;
}

body {
  font-size: var(--font-body);
  line-height: 1.65;
}

.topbar {
  height: 78px;
  padding-inline: clamp(24px, 5vw, 82px);
}
.brand { gap: 14px; }
.brand-mark { width: 38px; height: 38px; }
.brand strong { font-size: 15px; }
.brand small { font-size: 9px; margin-top: 3px; }
.security { font-size: 13px; }
.icon-btn, .avatar { width: 36px; height: 36px; font-size: 12px; }

.hero {
  min-height: 360px;
  padding: 62px clamp(28px, 7vw, 118px) 74px;
}
.eyebrow, .kicker { font-size: 11px; line-height: 1.4; }
.hero h1 {
  font-size: clamp(46px, 5vw, 68px);
  line-height: 1.02;
  margin: 22px 0 24px;
}
.hero p {
  max-width: 650px;
  font-size: 17px;
  line-height: 1.8;
}
.hero-status {
  width: 320px;
  padding: 22px 0 8px 28px;
}
.hero-status span, .hero-status small { font-size: 12px; }
.hero-status strong { font-size: 19px; margin: 10px 0; }

.pipeline {
  padding: 22px clamp(28px, 7vw, 118px);
}
.pipeline-step { gap: 12px; }
.pipeline-step b { width: 36px; height: 36px; font-size: 11px; }
.pipeline-step span { font-size: 14px; line-height: 1.3; }
.pipeline-step small { font-size: 11px; margin-top: 4px; }
.pipe-line { margin-inline: 28px; }

.workspace {
  max-width: 1560px;
  min-height: 780px;
  grid-template-columns: 400px minmax(0, 1fr);
}
.control-panel { padding: 44px 36px; }
.panel-heading { gap: 18px; margin-bottom: 34px; }
.section-index { width: 42px; height: 42px; font-size: 12px; }
.panel-heading h2, .section-title h2 { font-size: 26px; line-height: 1.25; }
.panel-heading p { margin-top: 7px; font-size: 13px; line-height: 1.5; }
.field-label { font-size: 13px; margin: 25px 0 10px; }
select { padding: 13px 40px 13px 14px; font-size: 14px; }
.select-wrap::after { right: 15px; top: 12px; }
.upload-card { margin: 22px 0; padding: 25px 18px; }
.upload-icon { width: 42px; height: 42px; margin-bottom: 12px; }
.upload-icon svg { width: 21px; }
.upload-card strong { font-size: 13px; }
.upload-card span { font-size: 11px; margin: 7px 0 10px; }
.upload-card small { font-size: 11px; }
.compact-grid { gap: 15px; }
.compact-grid label > span { font-size: 12px; margin-bottom: 7px; }
.compact-grid input { padding: 12px; font-size: 15px; }
.compact-grid i { font-size: 11px; padding-right: 11px; }
.segmented button { padding: 12px 8px; font-size: 13px; }
.primary-action { margin-top: 28px; padding: 16px 18px; font-size: 15px; }
.primary-action svg { width: 19px; }
.privacy-note { margin-top: 12px; font-size: 10px; }

.main-panel { padding: 46px clamp(36px, 4vw, 68px); }
.stage-head { padding-bottom: 28px; }
.stage-head h2 { margin-top: 9px; font-size: 30px; }
.run-state { padding: 9px 12px; font-size: 12px; }
.empty-state { min-height: 560px; }
.empty-state h3 { font-size: 22px; margin: 18px 0 8px; }
.empty-state p { max-width: 520px; font-size: 14px; line-height: 1.8; }
.scan-visual { width: 210px; height: 160px; }
.scan-visual svg { width: 180px; height: 135px; margin: 12px 15px; }

.metric-row { margin: 28px 0 22px; }
.metric-row > div { padding: 20px; }
.metric-row span { font-size: 12px; }
.metric-row strong { margin: 7px 0; font-size: 32px; line-height: 1.1; }
.metric-row strong small { font-size: 12px; }
.metric-row i { font-size: 11px; }
.analysis-grid { gap: 22px; }
.card-head { padding: 18px 20px; }
.card-head h3 { font-size: 15px; }
.text-btn { font-size: 11px; }
.param-list { padding: 9px 20px 15px; }
.param-item {
  grid-template-columns: 130px minmax(0, 1fr) 72px;
  gap: 12px;
  padding: 13px 0;
  font-size: 13px;
}
.param-item strong { font-size: 14px; }
.confidence { font-size: 11px; }
.source-line { padding: 10px 12px; font-size: 11px; line-height: 1.65; }
.count-badge { width: 24px; height: 24px; font-size: 11px; }
.issue { padding: 18px 20px; gap: 13px; }
.issue-mark { width: 28px; height: 28px; font-size: 13px; }
.issue p { font-size: 13px; line-height: 1.6; }
.issue p small { margin-top: 6px; font-size: 12px; line-height: 1.65; }
.issue button { margin-top: 10px; padding: 7px 10px; font-size: 10px; }
.confirm-bar { margin-top: 22px; padding: 18px 20px; }
.confirm-icon { width: 32px; height: 32px; }
.confirm-bar p { font-size: 13px; }
.confirm-bar small { margin-top: 5px; font-size: 11px; }
.confirm-bar button { padding: 11px 16px; font-size: 12px; }

.solution-section, .drawing-section {
  max-width: 1560px;
  padding: 78px clamp(28px, 7vw, 118px);
}
.section-title { margin-bottom: 34px; }
.section-title > div:first-child { gap: 18px; }
.section-title h2 { font-size: var(--font-section); }
.section-title .kicker { margin-bottom: 8px; }
.section-title p { max-width: 460px; font-size: 12px; line-height: 1.75; }
.lock-overlay span { padding: 13px 18px; font-size: 12px; }
.solution-layout { grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; }
.model-cards { gap: 16px; }
.model-card { padding: 26px; }
.model-card.selected { padding: 25px; }
.model-card.selected::after { padding: 7px 10px; font-size: 10px; }
.model-score { width: 60px; height: 60px; font-size: 13px; }
.model-card h3 { margin: 22px 0 6px; font-size: 30px; }
.model-card > span { font-size: 12px; }
.model-card ul { margin-top: 22px; }
.model-card li { margin: 11px 0; padding-left: 15px; font-size: 12px; line-height: 1.55; }
.model-card li::before { width: 5px; height: 5px; top: 7px; }
.rule-version { font-size: 10px; }
.rule-ring { width: 132px; height: 132px; margin-top: 26px; }
.rule-ring strong { font-size: 28px; }
.rule-ring small { font-size: 12px; }
.rule-list { padding: 0 24px 22px; }
.rule-list li { gap: 11px; padding: 13px 0; }
.rule-list > li > span { width: 22px; height: 22px; font-size: 10px; }
.rule-list p { font-size: 12px; line-height: 1.5; }
.rule-list small { margin-top: 5px; font-size: 10px; }

.drawing-actions { gap: 10px; }
.secondary-btn, .primary-small { padding: 11px 14px; font-size: 12px; }
.drawing-workspace { grid-template-columns: minmax(0, 1fr) 330px; }
.drawing-canvas { padding: 18px; }
.drawing-toolbar { margin-bottom: 15px; }
.view-tabs button { padding: 9px 14px; font-size: 11px; }
.zoom-label { font-size: 11px; }
.property-panel { padding: 26px; }
.live-tag { padding: 5px 8px; font-size: 10px; }
.property-panel > label { margin: 25px 0; }
.property-panel label > span { margin-bottom: 10px; font-size: 12px; }
.property-panel label div { grid-template-columns: minmax(0, 1fr) 74px; gap: 12px; }
output { font-size: 12px; }
.property-stats { margin-top: 32px; }
.property-stats > div { padding: 14px 0; font-size: 12px; }
.revision-note { margin-top: 28px; padding-left: 14px; }
.revision-note span { font-size: 11px; }
.revision-note p { font-size: 11px; line-height: 1.75; }

footer { padding: 36px clamp(28px, 7vw, 118px); }
footer strong { font-size: 14px; }
footer span, footer p { font-size: 11px; }

dialog { max-width: 580px; padding: 40px; }
dialog h2 { font-size: 30px; }
dialog p, dialog li { font-size: 14px; line-height: 1.75; }
.toast { padding: 13px 18px; font-size: 12px; }

@media (max-width: 1180px) {
  .workspace { grid-template-columns: 360px minmax(0, 1fr); }
  .main-panel { padding-inline: 32px; }
  .solution-layout { grid-template-columns: 1fr; }
  .rule-panel { display: grid; grid-template-columns: 1fr 2fr; align-items: center; }
  .rule-panel .card-head { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .topbar { height: 70px; padding-inline: 18px; }
  .brand-mark { width: 34px; height: 34px; }
  .hero { min-height: 420px; padding: 44px 26px 56px; }
  .hero h1 { font-size: clamp(40px, 12vw, 52px); }
  .hero p { font-size: 15px; }
  .hero-status { width: 100%; padding-left: 22px; }
  .pipeline { padding: 18px 26px; }
  .pipeline-step span { font-size: 13px; }
  .workspace { display: block; }
  .control-panel { padding: 36px 26px; }
  .main-panel { padding: 34px 24px; }
  .stage-head h2 { font-size: 27px; }
  .metric-row > div { padding: 17px; }
  .metric-row strong { font-size: 28px; }
  .param-item { grid-template-columns: 104px minmax(0, 1fr) 58px; gap: 8px; }
  .solution-section, .drawing-section { padding: 56px 24px; }
  .section-title h2 { font-size: 27px; }
  .model-card { padding: 24px; }
  .rule-panel { display: block; }
  .drawing-workspace { grid-template-columns: 1fr; }
  .property-panel { padding: 24px; }
}

/* V0.3 workflow depth and engineering interaction */
.demo-rule-trigger {
  width: 100%;
  margin-top: 16px;
  padding: 11px 13px;
  border: 1px dashed #c8a777;
  background: #fffaf2;
  color: #8b571b;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.demo-rule-trigger span { font-size: 12px; font-weight: 800; }
.demo-rule-trigger small { font-size: 10px; color: #a0784a; }
.demo-rule-trigger:hover { border-color: var(--orange); background: #fff5e8; }

.parse-progress {
  width: min(620px, 82vw);
  margin-top: 28px;
  padding: 18px 20px;
  background: #f8faf7;
  border: 1px solid #e5e9e2;
  text-align: left;
}
.progress-track { height: 4px; overflow: hidden; background: #e3e8e0; }
.progress-track span { display: block; width: 0; height: 100%; background: var(--lime-deep); transition: width .4s ease; }
.parse-progress ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0; margin: 16px 0 0; list-style: none; }
.parse-progress li { display: grid; grid-template-columns: 24px 1fr; gap: 8px; align-items: center; color: #8a949d; }
.parse-progress li b { width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid #d5dbd2; font-size: 9px; }
.parse-progress li span { font-size: 11px; white-space: nowrap; }
.parse-progress li i { grid-column: 2; margin-top: -5px; font-style: normal; font-size: 9px; }
.parse-progress li.active { color: var(--ink); }
.parse-progress li.active b { color: var(--navy); border-color: var(--lime-deep); background: var(--lime); }
.parse-progress li.active i { color: var(--orange); }
.parse-progress li.done { color: #5c7d12; }
.parse-progress li.done b { border-color: #a8cf3e; background: #eef8d5; }

.issue.resolved { background: #fbfff4; }
.issue.resolved .issue-mark { color: #5f8b00; background: #edf7d7; }
.resolution-result { display: block; margin-top: 9px; padding: 8px 10px; color: #536d1a; background: #f0f7df; font-size: 11px; line-height: 1.5; }
.count-badge.all-clear { color: #5f8b00; background: #edf7d7; }

.rule-alert {
  margin: -6px 0 24px;
  padding: 17px 19px;
  border: 1px solid #e05e4c;
  background: #fff4f1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.rule-alert > div { display: flex; gap: 13px; align-items: center; }
.rule-alert-icon { width: 32px; height: 32px; flex: 0 0 auto; display: grid; place-items: center; color: #fff; background: #d94b38; font-weight: 900; }
.rule-alert p { margin: 0; }
.rule-alert strong { display: block; color: #9b2c20; font-size: 13px; }
.rule-alert small { display: block; margin-top: 5px; color: #8b5b54; font-size: 11px; line-height: 1.55; }
.rule-alert button { flex: 0 0 auto; border: 0; padding: 10px 13px; color: #fff; background: #c33b2c; font-size: 11px; font-weight: 800; cursor: pointer; }
.rule-panel.blocked { background: #261417; }
.rule-panel.blocked .rule-ring .progress { stroke: #ff6b57; }
.rule-panel.blocked .rule-version { color: #ff8b7a; }
.rule-list .fail { color: #fff; background: #d94b38; }
.models-disabled { opacity: .55; filter: grayscale(.55); }
.models-disabled .model-card { cursor: not-allowed; }

.drawing-toolbar-right { display: flex; align-items: center; gap: 13px; }
.cad-mode-toggle { border: 1px solid #cbd2ce; padding: 7px 10px; background: #f7f9f8; color: #56636b; font-size: 10px; cursor: pointer; }
.cad-mode-toggle span { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #66ff99; box-shadow: 0 0 0 3px rgba(102,255,153,.12); }
.cad-mode-toggle.active { color: #c8f54a; border-color: #3d5747; background: #101b18; }
.sheet.cad-dark { background: #06110d; }
.sheet.cad-dark .sheet-grid { opacity: .22; background-image: linear-gradient(#185b43 1px, transparent 1px), linear-gradient(90deg, #185b43 1px, transparent 1px); }
.sheet.cad-dark #cabinetDrawing line,
.sheet.cad-dark #cabinetDrawing rect,
.sheet.cad-dark #cabinetDrawing circle { stroke: #54ff9b !important; }
.sheet.cad-dark #cabinetDrawing text { fill: #7fffb0 !important; }
.sheet.cad-dark #cabinetDrawing circle[fill="#17212b"] { fill: #54ff9b !important; }
.sheet.cad-dark .title-block { color: #baffd3; border-color: #54ff9b; background: rgba(6,17,13,.94); }
.sheet.cad-dark .title-block > div { border-color: #54ff9b; }

.title-block { width: 72%; grid-template-columns: minmax(0, 1fr) 105px 78px 150px; }
.title-block b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.property-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 18px 0 6px; border: 1px solid var(--line); }
.property-tabs button { border: 0; border-right: 1px solid var(--line); padding: 9px; background: #fff; color: var(--muted); font-size: 11px; cursor: pointer; }
.property-tabs button:last-child { border-right: 0; }
.property-tabs button.active { color: #fff; background: var(--navy); font-weight: 800; }
.property-view > label { display: block; margin: 25px 0; }
.property-view > label > span { display: block; margin-bottom: 10px; color: var(--muted); font-size: 12px; }
.property-view > label div { display: grid; grid-template-columns: minmax(0, 1fr) 74px; gap: 12px; align-items: center; }
.bom-summary { margin: 20px 0 8px; padding: 15px; display: grid; grid-template-columns: 1fr auto; align-items: end; background: #f0f4ed; }
.bom-summary span { font-size: 11px; color: var(--muted); }
.bom-summary strong { grid-row: 1 / 3; grid-column: 2; font-size: 30px; line-height: 1; }
.bom-summary small { margin-top: 4px; font-size: 9px; color: #759000; }
.bom-item { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 9px; padding: 11px 0; border-bottom: 1px solid var(--line); align-items: center; }
.bom-item > b { color: #9aa3aa; font-size: 9px; }
.bom-item p { margin: 0; }
.bom-item p strong { display: block; font-size: 11px; }
.bom-item p small { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }
.bom-item > span { font-size: 11px; font-weight: 800; }
.bom-item > i { grid-column: 2 / -1; margin-top: -5px; color: #7a9200; font-size: 8px; font-style: normal; }
.bom-disclaimer { margin-top: 18px; padding-left: 11px; border-left: 2px solid var(--orange); color: #7f6c64; font-size: 10px; line-height: 1.6; }

.resolution-dialog { width: min(560px, calc(100vw - 32px)); }
.resolution-dialog > p { margin-bottom: 22px; }
.dialog-field { display: block; margin: 16px 0; }
.dialog-field > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.dialog-field textarea { width: 100%; resize: vertical; padding: 12px; border: 1px solid var(--line); font: inherit; font-size: 13px; line-height: 1.6; outline: 0; }
.dialog-field textarea:focus { border-color: #9bb936; box-shadow: 0 0 0 3px rgba(200,245,74,.15); }
.dialog-warning { padding: 10px 12px; color: #8b5b23 !important; background: #fff8eb; border-left: 2px solid #e0a03a; font-size: 11px !important; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 22px; }

@media (max-width: 760px) {
  .demo-rule-trigger { align-items: flex-start; flex-direction: column; gap: 3px; }
  .parse-progress { width: 100%; padding: 15px; }
  .parse-progress ol { grid-template-columns: 1fr 1fr; }
  .rule-alert { align-items: stretch; flex-direction: column; }
  .rule-alert button { width: 100%; }
  .drawing-toolbar { align-items: flex-start; gap: 10px; flex-direction: column; }
  .drawing-toolbar-right { width: 100%; justify-content: space-between; }
  .title-block { width: 94%; grid-template-columns: minmax(0, 1fr) 70px 56px 110px; transform: scale(.72); }
  .resolution-dialog { padding: 30px 24px; }
}