:root {
  color-scheme: light;
  --page: #f5f2ec;
  --panel: #fffaf6;
  --paper: #ffffff;
  --line: #d8cab8;
  --line-soft: #eadfce;
  --text: #211914;
  --muted: #74685a;
  --wood-dark: #3b2316;
  --wood-mid: #7b4728;
  --wood: #a96534;
  --cedar: #d78b42;
  --cedar-light: #ffc16d;
  --accent: #8a4e2b;
  --glow: rgba(255, 142, 37, 0.56);
  --front-width: 320px;
  --side-width: 180px;
  --run-height: 390px;
  --run-depth: 56px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--page);
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 185, 100, 0.18), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.68), transparent),
    var(--page);
  color: var(--text);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
p {
  margin: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  gap: 18px;
  width: min(1280px, 100%);
  min-height: 100svh;
  margin: 0 auto;
  padding: 18px;
}

.control-panel,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 246, 0.96);
  box-shadow: 0 18px 42px rgba(75, 51, 33, 0.13);
}

.control-panel {
  align-self: start;
  padding: 16px;
}

.preview-panel {
  display: flex;
  min-height: calc(100svh - 36px);
  flex-direction: column;
  padding: 16px;
  overflow: hidden;
}

.brand-block {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.eyebrow {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: 27px;
  line-height: 1.16;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.25;
}

.section-block {
  padding-top: 15px;
}

.section-title,
.preview-header,
.quote-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-title span,
.quote-title span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.layout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.layout-option {
  display: grid;
  min-height: 92px;
  place-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--text);
  padding: 10px;
  transition:
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

.layout-option.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(138, 78, 43, 0.16);
}

.layout-option strong {
  font-size: 14px;
}

.layout-icon {
  position: relative;
  width: 56px;
  height: 44px;
}

.layout-icon i {
  position: absolute;
  border-radius: 3px;
  background: linear-gradient(135deg, #c17b43, #714124);
  box-shadow: inset 0 0 0 2px rgba(55, 31, 18, 0.18);
}

.icon-straight i {
  left: 4px;
  right: 4px;
  bottom: 9px;
  height: 16px;
}

.icon-left-l i:first-child,
.icon-right-l i:first-child,
.icon-u i:first-child {
  left: 4px;
  right: 4px;
  bottom: 7px;
  height: 14px;
}

.icon-left-l i:last-child {
  left: 4px;
  bottom: 7px;
  width: 14px;
  height: 32px;
}

.icon-right-l i:last-child {
  right: 4px;
  bottom: 7px;
  width: 14px;
  height: 32px;
}

.icon-u i:nth-child(2) {
  left: 4px;
  bottom: 7px;
  width: 14px;
  height: 32px;
}

.icon-u i:nth-child(3) {
  right: 4px;
  bottom: 7px;
  width: 14px;
  height: 32px;
}

.dimension-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.field-card {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--paper);
  padding: 12px;
}

body[data-layout="straight"] [data-field="leftLength"],
body[data-layout="straight"] [data-field="rightLength"],
body[data-layout="leftL"] [data-field="rightLength"],
body[data-layout="rightL"] [data-field="leftLength"] {
  display: none;
}

.field-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.field-title label {
  font-size: 15px;
  font-weight: 700;
}

.field-title span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.field-title .static-field-label {
  color: var(--text);
  font-size: 15px;
}

.number-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.number-row input {
  width: 100%;
  height: 42px;
  border: 1px solid #cdbda8;
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  outline: none;
  padding: 0 11px;
}

.number-row input:focus,
.select-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(138, 78, 43, 0.16);
}

.number-row span {
  min-width: 44px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.static-value {
  min-height: 42px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: #f8f0e6;
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  padding: 0 11px;
}

.select-input {
  width: 100%;
  height: 42px;
  border: 1px solid #cdbda8;
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  outline: none;
  padding: 0 11px;
}

.field-help {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.preview-header {
  flex: 0 0 auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.preview-header h2 {
  font-size: 25px;
}

.price-badge {
  min-width: 132px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px 12px;
  text-align: right;
}

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

.price-badge strong {
  display: block;
  margin-top: 2px;
  color: var(--accent);
  font-size: 22px;
}

.price-badge.is-locked strong,
.quote-total.is-locked {
  color: var(--muted);
  font-size: 20px;
}

.visual-stage {
  position: relative;
  display: grid;
  flex: 1;
  min-height: 470px;
  place-items: center;
  overflow: hidden;
  padding: 18px 8px;
}

.visual-stage::before {
  content: "";
  position: absolute;
  inset: auto 4% 0;
  height: 38%;
  background:
    linear-gradient(90deg, rgba(75, 52, 37, 0.14) 1px, transparent 1px),
    linear-gradient(0deg, rgba(75, 52, 37, 0.14) 1px, transparent 1px),
    linear-gradient(180deg, #d6b895, #bd9a76);
  background-size: 42px 42px, 42px 42px, auto;
  transform: perspective(520px) rotateX(64deg);
  transform-origin: bottom center;
}

.three-wrap {
  position: absolute;
  inset: 12px 0 0;
  z-index: 8;
  overflow: hidden;
  border: 1px solid rgba(216, 202, 184, 0.7);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 163, 73, 0.16), transparent 42%),
    linear-gradient(180deg, #f7efe5, #ead8c4);
}

.three-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.three-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(216, 202, 184, 0.8);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 12px;
  pointer-events: none;
}

.three-wrap.is-ready .three-hint {
  display: none;
}

.three-wrap.is-error {
  display: none;
}

.three-wrap.is-ready + .cabinet-scene {
  opacity: 0;
  pointer-events: none;
}

.cabinet-scene {
  position: relative;
  width: min(100%, 760px);
  height: 510px;
  transform-style: preserve-3d;
}

.cabinet-run {
  position: absolute;
  bottom: 38px;
  display: block;
  height: var(--run-height);
  transform-style: preserve-3d;
  transition:
    width 180ms ease,
    transform 180ms ease,
    opacity 160ms ease;
}

.run-front {
  left: 50%;
  width: var(--front-width);
  transform: translateX(-50%);
  z-index: 3;
}

.run-left {
  left: 50%;
  width: var(--side-width);
  transform: translateX(calc(var(--front-width) / -2)) translateX(calc(var(--side-width) / -2)) rotateY(-35deg);
  transform-origin: right bottom;
  z-index: 2;
}

.run-right {
  right: 50%;
  width: var(--side-width);
  transform: translateX(calc(var(--front-width) / 2)) translateX(calc(var(--side-width) / 2)) rotateY(35deg);
  transform-origin: left bottom;
  z-index: 2;
}

body[data-layout="straight"] .run-left,
body[data-layout="straight"] .run-right,
body[data-layout="leftL"] .run-right,
body[data-layout="rightL"] .run-left {
  display: none;
}

.run-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 9px solid var(--wood-dark);
  border-radius: 4px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 235, 190, 0.08) 0 3px, rgba(76, 38, 19, 0.1) 3px 11px),
    linear-gradient(160deg, #d68a43, #a65d2d 58%, #71401f);
  box-shadow:
    inset 0 0 0 2px rgba(255, 211, 144, 0.12),
    inset 0 0 42px rgba(66, 30, 13, 0.34),
    0 18px 34px rgba(63, 40, 24, 0.18);
}

.run-depth {
  position: absolute;
  top: calc(var(--run-depth) * -1);
  left: 0;
  right: 0;
  height: var(--run-depth);
  border: 8px solid #332015;
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(135deg, #744528, #3d2316);
  transform: skewX(-34deg);
  transform-origin: bottom center;
}

.warm-light {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 211, 132, 0.86), transparent);
  box-shadow: 0 8px 28px 14px var(--glow);
  pointer-events: none;
}

.light-top {
  top: 8px;
}

.light-middle {
  top: 54%;
}

.open-bays {
  position: absolute;
  inset: 0 0 34%;
  background:
    linear-gradient(90deg, transparent calc(50% - 3px), var(--wood-dark) calc(50% - 3px) calc(50% + 3px), transparent calc(50% + 3px)),
    linear-gradient(0deg, transparent 31%, var(--wood-dark) 31% 34%, transparent 34% 63%, var(--wood-dark) 63% 66%, transparent 66%);
}

.tray-zone {
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: 30%;
  height: 18%;
  border-top: 7px solid var(--wood-dark);
  border-bottom: 7px solid var(--wood-dark);
  background:
    radial-gradient(circle, rgba(62, 33, 18, 0.36) 1px, transparent 2px) 10px 16px / 18px 18px,
    linear-gradient(90deg, transparent 23%, rgba(90, 45, 18, 0.45) 23% 25%, transparent 25% 49%, rgba(90, 45, 18, 0.45) 49% 51%, transparent 51% 75%, rgba(90, 45, 18, 0.45) 75% 77%, transparent 77%),
    rgba(255, 178, 82, 0.2);
}

.lower-doors {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30%;
  border-top: 8px solid var(--wood-dark);
  background:
    radial-gradient(circle, rgba(25, 16, 12, 0.72) 1.5px, transparent 2.5px) 24px 28px / 22px 22px,
    linear-gradient(90deg, transparent calc(33.333% - 3px), var(--wood-dark) calc(33.333% - 3px) calc(33.333% + 3px), transparent calc(33.333% + 3px) calc(66.666% - 3px), var(--wood-dark) calc(66.666% - 3px) calc(66.666% + 3px), transparent calc(66.666% + 3px)),
    linear-gradient(160deg, #9d5e34, #744323);
}

.lower-doors::before,
.lower-doors::after {
  content: "";
  position: absolute;
  top: 43%;
  width: 7px;
  height: 42px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2e2119, #8b7462);
}

.lower-doors::before {
  left: 47%;
}

.lower-doors::after {
  right: 47%;
}

.dimension-tag {
  position: absolute;
  z-index: 6;
  display: none;
  border: 1px solid rgba(189, 157, 122, 0.8);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #665443;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  white-space: nowrap;
}

.dimension-tag strong {
  color: var(--wood-dark);
}

.tag-front {
  display: block;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%);
}

.tag-height {
  display: block;
  top: 44%;
  left: 2px;
  transform: rotate(-90deg);
}

body[data-layout="leftL"] .tag-left,
body[data-layout="uShape"] .tag-left {
  display: block;
  left: 11%;
  top: 18%;
  transform: rotate(-25deg);
}

body[data-layout="rightL"] .tag-right,
body[data-layout="uShape"] .tag-right {
  display: block;
  right: 10%;
  top: 18%;
  transform: rotate(25deg);
}

.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 12px;
  flex: 0 0 auto;
}

.preview-note {
  margin: -4px 0 12px;
  color: #7a6a58;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
}

.quote-card,
.footprint-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.quote-total {
  margin-top: 10px;
  color: var(--accent);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.quote-button {
  width: 100%;
  min-height: 44px;
  margin-top: 12px;
  border: 0;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.quote-button:active {
  transform: translateY(1px);
}

.secondary-button,
.danger-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  padding: 0 12px;
}

.danger-button {
  border-color: #c97e69;
  color: #9f321c;
}

.sales-shell {
  width: min(1120px, 100%);
  min-height: 100svh;
  margin: 0 auto;
  padding: 18px;
}

.sales-card,
.sales-dashboard {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 246, 0.96);
  box-shadow: 0 18px 42px rgba(75, 51, 33, 0.13);
}

.sales-card {
  padding: 16px;
}

#loginPanel {
  max-width: 420px;
  margin: 12vh auto 0;
}

.sales-dashboard {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.is-hidden {
  display: none !important;
}

.sales-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sales-price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.quote-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.quote-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: 13px;
}

.quote-table th,
.quote-table td {
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

.quote-table th {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.quote-table td {
  color: var(--text);
}

@media (max-width: 680px) {
  .sales-shell {
    padding: 10px;
  }

  .sales-dashboard,
  .sales-card {
    padding: 12px;
  }

  .sales-price-grid {
    grid-template-columns: 1fr;
  }
}

.quote-lines {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.quote-lines div,
.mini-specs div {
  border-radius: 6px;
  background: #f8f0e6;
  padding: 9px;
}

.quote-lines span,
.mini-specs span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.quote-lines strong,
.mini-specs strong {
  display: block;
  margin-top: 4px;
  color: var(--wood-dark);
  font-size: 14px;
}

.warning-text {
  min-height: 20px;
  margin-top: 10px;
  color: #9a4f16;
  font-size: 13px;
  line-height: 1.55;
}

.footprint {
  --fp-front-left: 56px;
  --fp-right-left: 240px;
  --fp-front-width: 208px;
  --fp-left-height: 86px;
  --fp-right-height: 86px;
  --fp-depth: 24px;
  --fp-bottom: 18px;
  position: relative;
  height: 156px;
  margin-top: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(106, 78, 55, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(106, 78, 55, 0.08) 1px, transparent 1px),
    #fbf7f0;
  background-size: 20px 20px;
  overflow: hidden;
}

.fp-run,
.fp-corner {
  position: absolute;
  border: 1px solid rgba(72, 43, 25, 0.45);
  border-radius: 4px;
  background: linear-gradient(135deg, #b77743, #744325);
  box-shadow: inset 0 0 0 2px rgba(255, 211, 144, 0.16);
}

.fp-front {
  left: var(--fp-front-left);
  bottom: var(--fp-bottom);
  width: var(--fp-front-width);
  height: var(--fp-depth);
}

.fp-left {
  left: var(--fp-front-left);
  bottom: var(--fp-bottom);
  width: var(--fp-depth);
  height: var(--fp-left-height);
}

.fp-right {
  left: var(--fp-right-left);
  bottom: var(--fp-bottom);
  width: var(--fp-depth);
  height: var(--fp-right-height);
}

.fp-corner {
  bottom: var(--fp-bottom);
  width: var(--fp-depth);
  height: var(--fp-depth);
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.24) 0 3px, transparent 3px 7px),
    #9c5d32;
}

.fp-left-corner {
  left: var(--fp-front-left);
}

.fp-right-corner {
  left: var(--fp-right-left);
}

body[data-layout="straight"] .fp-left,
body[data-layout="straight"] .fp-right,
body[data-layout="straight"] .fp-left-corner,
body[data-layout="straight"] .fp-right-corner,
body[data-layout="leftL"] .fp-right,
body[data-layout="leftL"] .fp-right-corner,
body[data-layout="rightL"] .fp-left,
body[data-layout="rightL"] .fp-left-corner {
  display: none;
}

.mini-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

@media (max-width: 1060px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .control-panel {
    order: 2;
  }

  .preview-panel {
    order: 1;
    min-height: 0;
  }
}

@media (max-width: 680px) {
  .app-shell {
    gap: 10px;
    padding: 10px;
  }

  .control-panel,
  .preview-panel {
    padding: 12px;
  }

  h1 {
    font-size: 24px;
  }

  .preview-header h2 {
    font-size: 22px;
  }

  .price-badge {
    min-width: 116px;
    padding: 8px 10px;
  }

  .price-badge strong {
    font-size: 18px;
  }

  .layout-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
  }

  .layout-option {
    min-height: 76px;
    padding: 8px 4px;
  }

  .layout-option strong {
    font-size: 12px;
  }

  .layout-icon {
    width: 44px;
    height: 34px;
  }

  .visual-stage {
    min-height: 390px;
    padding: 8px 0;
  }

  .cabinet-scene {
    height: 390px;
    transform: scale(0.82);
  }

  .cabinet-run {
    bottom: 34px;
  }

  .result-grid,
  .quote-lines {
    grid-template-columns: 1fr;
  }

  .quote-lines {
    gap: 6px;
  }

  .quote-lines div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .quote-lines strong {
    margin-top: 0;
  }
}

@media (max-width: 430px) {
  :root {
    --run-height: 340px;
  }

  .preview-header {
    align-items: flex-start;
  }

  .visual-stage {
    min-height: 330px;
  }

  .cabinet-scene {
    height: 340px;
    transform: scale(0.72);
  }

  .run-face {
    border-width: 8px;
  }

  .run-depth {
    border-width: 7px;
  }

  .tag-height {
    left: -24px;
  }
}