:root {
  --bg: #f6f4ef;
  --surface: #fffdf8;
  --surface-2: #e9edf0;
  --ink: #1f2528;
  --muted: #657178;
  --line: #d8d1c4;
  --accent: #276749;
  --accent-2: #a35d2a;
  --danger: #a83c32;
  --shadow: 0 16px 44px rgba(45, 38, 25, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
.file-import {
  border: 1px solid #b9c2bb;
  background: #fff;
  color: var(--ink);
  min-height: 38px;
  border-radius: 8px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover,
.file-import:hover {
  border-color: var(--accent);
}

button.active,
.tabbar button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.topnav a:hover {
  color: var(--ink);
}

.engine-badge,
.card-meta,
.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid #c8d5ca;
  border-radius: 999px;
  background: #eef6ef;
  color: #245a42;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
}

.home-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 52px;
}

.hero-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: end;
  padding: 34px 0 24px;
  border-bottom: 1px solid var(--line);
}

.hero-band h1 {
  max-width: 820px;
  margin: 14px 0 12px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hero-stats div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 28px;
}

.hero-stats span {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}

.filterbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 190px 190px auto;
  gap: 12px;
  align-items: end;
  margin: 20px 0;
}

.filterbar label,
.field {
  display: grid;
  gap: 6px;
}

.filterbar span,
.field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

input,
select {
  min-height: 40px;
  width: 100%;
  border: 1px solid #cbbfac;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.template-card {
  display: grid;
  gap: 12px;
  min-height: 238px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.template-card:hover {
  transform: translateY(-2px);
  border-color: #aebaa8;
  box-shadow: var(--shadow);
}

.template-card h2 {
  margin: 0;
  font-size: 20px;
}

.template-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.template-card dl {
  align-self: end;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 0;
}

.template-card dl div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.template-card dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.template-card dd {
  margin: 2px 0 0;
  font-size: 13px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 34px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.designer-shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  min-height: calc(100vh - 68px);
}

.control-panel {
  position: sticky;
  top: 68px;
  align-self: start;
  height: calc(100vh - 68px);
  overflow: auto;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: #f2eee5;
}

.back-link {
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
}

.control-panel h1 {
  margin: 14px 0 8px;
  font-size: 30px;
}

.muted {
  color: var(--muted);
  line-height: 1.55;
}

.design-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

fieldset {
  display: grid;
  gap: 12px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.7);
  padding: 14px;
}

legend {
  padding: 0 6px;
  color: var(--ink);
  font-weight: 800;
}

.field small {
  color: var(--muted);
  line-height: 1.4;
}

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

.field-checkbox small {
  grid-column: 1 / -1;
}

.local-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.file-import {
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 13px;
}

.file-import input {
  display: none;
}

.workspace {
  min-width: 0;
  padding: 18px 22px 48px 0;
}

.workspace-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 46px;
}

.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.tool-buttons,
.export-buttons,
.tabbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.viewport-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 14px;
  margin-top: 8px;
}

.viewport {
  position: relative;
  height: min(62vh, 620px);
  min-height: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(#fcfbf5, #e8e3d6);
}

.viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.metric-strip {
  display: grid;
  gap: 10px;
}

.metric-strip div {
  display: grid;
  gap: 3px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-strip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-strip strong {
  font-size: 20px;
}

.output-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.panel,
.data-tabs {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.panel {
  padding: 14px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.panel h2 {
  margin: 0;
  font-size: 17px;
}

.views-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.views-grid svg {
  width: 100%;
  min-height: 150px;
  border: 1px solid #ddd5c8;
  border-radius: 8px;
  background: #fff;
}

.warnings {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.warning {
  border-left: 3px solid var(--danger);
  background: #fff4f1;
  padding: 8px 10px;
  color: #6f2d26;
  font-size: 13px;
  line-height: 1.45;
}

.data-tabs {
  margin-top: 14px;
  padding: 14px;
}

.tabbar {
  margin-bottom: 12px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 9px 8px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.quote-grid,
.tool-list,
.step-list,
.cutplan-grid {
  display: grid;
  gap: 10px;
}

.quote-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quote-grid div,
.cut-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.quote-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.quote-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.step-list {
  margin: 0;
  padding-left: 22px;
}

.tool-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .template-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .designer-shell,
  .viewport-section,
  .output-grid {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .workspace {
    padding: 16px;
  }

  .metric-strip,
  .quote-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar,
  .workspace-toolbar,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar {
    position: static;
  }

  .hero-band,
  .filterbar,
  .template-grid,
  .views-grid,
  .tool-list {
    grid-template-columns: 1fr;
  }

  .hero-band h1 {
    font-size: 36px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .viewport {
    min-height: 330px;
    height: 48vh;
  }
}