:root {
  color-scheme: light;
  font-family: var(--font-family);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell,
.loading-state {
  min-height: 100vh;
}

.login-screen {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: #f7f2e9;
}

.login-panel {
  display: grid;
  gap: 18px;
  width: min(100%, 390px);
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(68, 45, 29, 0.12);
}

.login-brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: #fff;
  background: #6f3f1f;
  border-radius: 8px;
  font-weight: 800;
}

.login-panel h1,
.login-panel p {
  margin: 0;
}

.login-panel h1 {
  color: var(--ink);
  font-size: 24px;
  line-height: 1.25;
}

.login-panel > p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.login-field {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.login-field input {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  color: var(--ink);
  background: var(--input);
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: none;
}

.login-field input:focus {
  border-color: #6f3f1f;
  box-shadow: 0 0 0 3px rgba(111, 63, 31, 0.12);
}

.login-error {
  margin: -4px 0 0;
  color: var(--danger-text);
  font-size: 13px;
  font-weight: 700;
}

.login-button {
  min-height: 44px;
  color: #fff;
  background: #6f3f1f;
  border: 1px solid #6f3f1f;
  border-radius: 8px;
  font-weight: 800;
}

.login-button:hover {
  background: #5b3218;
  border-color: #5b3218;
}

.login-panel small {
  color: var(--muted);
  line-height: 1.45;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(310px, 370px) minmax(520px, 1fr) minmax(360px, 440px);
  min-height: 100vh;
}

.control-rail,
.quote-pane {
  background: var(--panel);
  border-color: var(--line);
  overflow-y: auto;
  max-height: 100vh;
}

.control-rail {
  border-right: 1px solid var(--line);
  padding: 22px;
}

.quote-pane {
  border-left: 1px solid var(--line);
  padding: 22px;
}

.viewer-pane {
  display: grid;
  grid-template-rows: auto minmax(460px, 1fr) auto;
  min-width: 0;
}

.brand-block,
.step-title,
.quote-heading,
.metric,
.total-row,
.wall-strip-title,
.wall-control,
.admin-header,
.admin-actions button,
.upload-button,
.check-field {
  display: flex;
  align-items: center;
}

.brand-block {
  gap: 12px;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--walnut);
  color: var(--panel);
  font-weight: 800;
}

.brand-block h2,
.brand-block p,
.step-title h3,
.viewer-topline h1,
.viewer-topline p,
.quote-heading h2,
.admin-header h1,
.admin-panel h2 {
  margin: 0;
}

.brand-block h2 { font-size: 18px; }

.brand-block p,
.tiny-nav a,
.field,
.choice-group,
.wall-strip-title span,
.wall-control span,
.metric span,
.height-editor span,
.quote-note,
.placement-row span,
.empty-placement,
.bom-row em,
.bom-row small {
  color: var(--muted);
}

.brand-block p,
.tiny-nav a,
.metric span,
.wall-strip-title span,
.wall-control span,
.height-editor span,
.quote-note,
.placement-row,
.empty-placement,
.bom-head,
.bom-row {
  font-size: 12px;
}

.tiny-nav {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.tiny-nav a {
  text-decoration: none;
}

.tiny-nav a.active {
  color: var(--primary);
  font-weight: 800;
}

.step-block {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.step-title {
  gap: 8px;
  margin-bottom: 14px;
}

.step-title h3 { font-size: 15px; }

.step-content,
.field,
.choice-group,
.admin-actions,
.admin-product-grid,
.rule-table,
.placement-list,
.wall-strip {
  display: grid;
  gap: 10px;
}

.field,
.choice-group {
  font-size: 13px;
}

.input-shell,
.search-box {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid var(--line);
  background: var(--input);
  padding: 0 10px;
}

.input-shell input,
.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.input-shell em {
  font-style: normal;
}

.segments {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border: 1px solid var(--line);
  overflow: hidden;
}

.segments button {
  min-height: 38px;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--input);
  color: var(--muted);
}

.segments button:last-child {
  border-right: 0;
}

.segments button.active,
.inquiry-button,
.add-placement {
  background: var(--primary);
  color: var(--panel);
}

.segments button.active:hover,
.inquiry-button:hover {
  background: var(--primary-hover);
}

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

.swatches button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.swatches button.active {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 2px var(--panel), 0 0 0 2px var(--primary);
}

.swatch {
  display: block;
  width: 22px;
  height: 22px;
  border: 1px solid var(--divider);
}

.viewer-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 28px 18px;
}

.viewer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logout-button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 13px;
  color: #6f3f1f;
  background: var(--panel);
  border: 1px solid #6f3f1f;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.logout-button:hover {
  color: #fff;
  background: #6f3f1f;
}

.eyebrow {
  color: var(--walnut);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.viewer-topline h1 {
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.1;
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.metric {
  gap: 8px;
  min-width: 112px;
  min-height: 46px;
  padding: 0 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.scene-frame {
  position: relative;
  min-height: 460px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.enhanced-scene {
  display: grid;
  grid-template-rows: minmax(330px, 1fr) auto;
}

.three-mount {
  width: 100%;
  height: 100%;
  min-height: 330px;
}

.scene-brand-card {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 5;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 8px;
  width: clamp(180px, 18vw, 220px);
  min-height: 60px;
  max-height: 90px;
  padding: 8px 10px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
}

.scene-brand-card img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.scene-brand-card div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.scene-brand-card strong,
.scene-brand-card span,
.scene-brand-card em,
.scene-brand-card small {
  overflow-wrap: anywhere;
}

.scene-brand-card strong {
  color: var(--ink);
  font-size: 14px;
}

.scene-brand-card span,
.scene-brand-card em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.scene-brand-card small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.debug-toggle {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: max-content;
  padding: 6px 10px;
  color: var(--danger-text);
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
}

.scene-debug-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
}

.debug-toggle input {
  accent-color: var(--danger);
}

.debug-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  color: var(--ink);
  background: var(--danger-bg);
  border-top: 1px solid var(--danger);
  border-bottom: 1px solid var(--danger);
}

.debug-panel-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
}

.debug-panel-title span {
  color: var(--danger-text);
  font-size: 12px;
}

.debug-table {
  display: grid;
  gap: 4px;
  max-height: 180px;
  overflow: auto;
  font-size: 12px;
}

.debug-row {
  display: grid;
  grid-template-columns: 52px minmax(64px, 1fr) 48px 74px 74px;
  gap: 8px;
  align-items: center;
  padding: 5px 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.debug-head {
  color: var(--danger-text);
  font-weight: 700;
}

.bay-canvas {
  display: grid;
  gap: 12px;
  padding: 14px 18px;
  background: var(--input);
  border-top: 1px solid var(--line);
  max-height: 280px;
  overflow: auto;
}

.wall-strip-title,
.wall-control {
  justify-content: space-between;
  gap: 12px;
}

.wall-control {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.wall-control input {
  width: 72px;
  height: 36px;
  border: 1px solid var(--line);
  background: var(--input);
  text-align: center;
}

.bay-grid {
  display: grid;
  gap: 8px;
  overflow-x: auto;
}

.bay-cell {
  min-height: 104px;
  padding: 9px;
  border: 1px dashed var(--walnut);
  background: var(--panel);
}

.bay-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 7px;
}

.bay-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  margin-bottom: 6px;
  padding: 6px 7px;
  border: 1px solid var(--line);
  background: var(--subtle);
  color: var(--ink);
  text-align: left;
  font-size: 12px;
}

.bay-chip.active {
  border-color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}

.height-editor {
  display: grid;
  gap: 12px;
  align-items: stretch;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.range-field {
  display: grid;
  gap: 8px;
}

.height-editor input[type="range"] {
  accent-color: var(--primary);
}

.quote-heading {
  gap: 8px;
  margin-bottom: 18px;
}

.quote-heading h2 {
  font-size: 18px;
}

.quote-export-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 32px;
  margin-left: auto;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.quote-export-button:hover {
  border-color: var(--primary);
  background: var(--input);
}

.quote-export-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.notice,
.warning-text {
  padding: 10px 12px;
  background: var(--warning-bg);
  border-left: 3px solid var(--walnut);
  color: var(--warning-text);
  font-size: 13px;
  margin-bottom: 14px;
}

.error-text {
  margin: 0;
  padding: 9px 10px;
  background: var(--danger-bg);
  color: var(--danger-text);
  border-left: 3px solid var(--danger);
  font-size: 13px;
}

.component-library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.component-tile {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--ink);
  font-size: 13px;
  user-select: none;
}

.component-tile:active {
  border-color: var(--primary);
}

.component-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  object-fit: contain;
  color: var(--primary);
}

.quote-placement-list {
  margin-bottom: 16px;
}

.placement-row.selected {
  background: var(--divider);
}

.bom-table {
  display: grid;
  border-top: 1px solid var(--line);
}

.bom-head,
.bom-row {
  display: grid;
  grid-template-columns: minmax(128px, 1fr) minmax(64px, 0.65fr) 40px 36px 60px 68px;
  gap: 8px;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
}

.bom-head {
  color: var(--muted);
  font-weight: 800;
  min-height: 34px;
}

.bom-group {
  border-bottom: 1px solid var(--line);
}

.bom-group-title {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 64px 88px;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 38px;
  padding: 0 8px;
  border: 0;
  border-bottom: 1px solid var(--divider);
  background: var(--subtle);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.bom-group-title em {
  color: var(--muted);
  font-style: normal;
  text-align: right;
}

.bom-group-title strong {
  text-align: right;
}

.bom-row em,
.bom-row small {
  display: block;
  font-style: normal;
  margin-top: 3px;
}

.bom-name {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-width: 0;
}

.bom-name strong,
.bom-name em,
.bom-name small,
.bom-spec {
  overflow-wrap: anywhere;
}

.bom-spec {
  color: var(--muted);
  line-height: 1.35;
}

.product-thumb {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--subtle);
}

.product-thumb.placeholder {
  display: grid;
  place-items: center;
}

.total-row {
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
  font-size: 18px;
}

.quote-note {
  line-height: 1.55;
}

.inquiry-button {
  width: 100%;
  min-height: 44px;
  border: 0;
  font-weight: 800;
}

.loading-state {
  display: grid;
  place-content: center;
  text-align: center;
}

.admin-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-actions button,
.upload-button {
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--ink);
  font-size: 13px;
}

.upload-button input,
.admin-thumb-cell input {
  display: none;
}

.admin-content {
  padding: 26px;
  overflow: auto;
}

.admin-header {
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.search-box {
  grid-template-columns: 18px minmax(220px, 360px);
  background: var(--panel);
}

.admin-panel {
  padding: 18px;
  margin-bottom: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.admin-product-row {
  display: grid;
  grid-template-columns: 58px 110px 150px 130px 80px 72px minmax(160px, 1fr) minmax(160px, 1fr) minmax(150px, 1fr) 90px 120px minmax(160px, 1fr);
  gap: 8px;
  align-items: center;
}

.admin-thumb-cell {
  display: grid;
  gap: 4px;
  justify-items: center;
}

.admin-thumb-cell label {
  color: var(--primary);
  font-size: 11px;
  cursor: pointer;
}

.rule-row {
  display: grid;
  grid-template-columns: 150px 180px 80px 110px minmax(220px, 1fr);
  gap: 8px;
}

.admin-product-row input,
.rule-row input {
  width: 100%;
  height: 36px;
  border: 1px solid var(--line);
  padding: 0 8px;
  background: var(--input);
}

.check-field {
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.placement-row {
  display: grid;
  grid-template-columns: 1fr auto 30px;
  gap: 8px;
  align-items: center;
  min-height: 38px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.placement-row button {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--danger-text);
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 320px minmax(420px, 1fr);
  }

  .quote-pane {
    grid-column: 1 / -1;
    max-height: none;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .workspace,
  .admin-shell {
    display: block;
  }

  .control-rail,
  .quote-pane {
    max-height: none;
    border: 0;
  }

  .viewer-topline,
  .height-editor {
    display: grid;
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .metrics {
    justify-content: stretch;
  }

  .viewer-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .logout-button {
    align-self: flex-end;
  }

  .metric {
    flex: 1;
  }

  .quote-heading {
    flex-wrap: wrap;
  }

  .quote-export-button {
    margin-left: auto;
  }

  .bom-head,
  .bom-row {
    grid-template-columns: minmax(96px, 1fr) 48px 30px 26px 50px 54px;
    gap: 5px;
  }

  .bom-name {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 5px;
  }

  .bom-name .product-thumb {
    width: 34px;
    height: 34px;
  }
}