:root {
  --ink: #202124;
  --muted: #6f747b;
  --line: #e2e5e7;
  --surface: #ffffff;
  --soft: #f7f4ef;
  --cream: #f7f1e8;
  --mist: #eef5f1;
  --clay: #a46f55;
  --sage: #657b6d;
  --navy: #26384a;
  --gold: #b88942;
  --danger: #b85c4d;
  --shadow: 0 24px 70px rgba(38, 56, 74, 0.22);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background:
    linear-gradient(120deg, rgba(238, 245, 241, 0.9), rgba(247, 244, 239, 0.75)),
    #e9ece9;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.phone {
  width: min(100%, 390px);
  height: min(844px, calc(100vh - 48px));
  min-height: 720px;
  border: 10px solid #1c1f24;
  border-radius: 36px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  grid-template-rows: 38px 1fr 74px;
}

.phone.is-splash {
  grid-template-rows: 38px 1fr 0;
}

.phone.is-splash .tabbar {
  display: none;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
}

.status-icons {
  display: flex;
  gap: 5px;
  align-items: center;
}

.status-icons span {
  width: 14px;
  height: 8px;
  border-radius: 8px;
  background: #202124;
  display: block;
}

.status-icons span:nth-child(2) {
  width: 10px;
  opacity: 0.72;
}

.status-icons span:nth-child(3) {
  width: 18px;
  height: 9px;
  border-radius: 3px;
}

.screen {
  overflow: auto;
  background: linear-gradient(180deg, #fff 0%, #fbfaf7 46%, #f4f7f5 100%);
}

.view {
  min-height: 100%;
  padding: 18px 18px 28px;
}

.splash-view {
  position: relative;
  display: grid;
  align-content: center;
  padding-bottom: 74px;
}

.splash-panel {
  min-height: 620px;
  border-radius: 28px;
  background: var(--cream);
  display: grid;
  justify-items: center;
  align-content: center;
  padding: 42px 24px;
}

.splash-house {
  position: relative;
  width: 194px;
  height: 190px;
  margin-bottom: 28px;
}

.house-roof {
  position: absolute;
  top: 0;
  left: 28px;
  width: 138px;
  height: 58px;
  border-radius: 8px;
  background: var(--sage);
}

.house-body {
  position: absolute;
  top: 48px;
  left: 0;
  width: 194px;
  height: 142px;
  border-radius: 22px;
  background: #fff;
}

.house-window,
.house-door {
  position: absolute;
  display: block;
  background: var(--mist);
}

.house-window {
  top: 42px;
  width: 24px;
  height: 24px;
  border-radius: 7px;
}

.house-window.left {
  left: 34px;
}

.house-window.right {
  right: 34px;
}

.house-door {
  left: 80px;
  bottom: 0;
  width: 34px;
  height: 64px;
  border-radius: 17px 17px 12px 12px;
  background: var(--soft);
}

.splash-brand {
  color: var(--navy);
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
}

.splash-sub {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.splash-badges {
  justify-content: center;
  margin-top: 28px;
}

.splash-foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 34px;
  color: #9aa09c;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
}

.splash-hit {
  position: absolute;
  inset: 0;
  background: transparent;
}

.topbar {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.back {
  width: 36px;
  height: 36px;
  border-radius: 18px;
  background: #f0f2f1;
  color: var(--navy);
  font-size: 22px;
}

.kicker {
  font-size: 12px;
  color: var(--sage);
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 8px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.14;
  letter-spacing: 0;
}

h2 {
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: 0;
}

.sub {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  margin-top: 10px;
}

.hero-image,
.room-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  background: #e6e1d9;
}

.hero-image {
  margin: 18px 0 14px;
}

.image-stack {
  position: relative;
}

.badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.badge {
  padding: 7px 10px;
  border-radius: 999px;
  background: #eef5f1;
  color: var(--sage);
  font-size: 12px;
  font-weight: 700;
}

.actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.primary,
.secondary,
.ghost {
  min-height: 48px;
  border-radius: 8px;
  font-weight: 800;
}

.primary {
  background: var(--navy);
  color: #fff;
}

.secondary {
  background: #f0e6dc;
  color: #704c3c;
}

.ghost {
  background: #eef2f1;
  color: var(--navy);
}

.hint-card,
.preflight,
.warning-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  padding: 12px;
}

.hint-card {
  display: grid;
  gap: 5px;
  margin-top: 14px;
}

.hint-card strong,
.preflight strong,
.warning-card strong {
  color: var(--navy);
  font-size: 13px;
}

.hint-card span,
.preflight span,
.warning-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.option-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.option {
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
  min-height: 72px;
  color: var(--ink);
}

.option.active {
  border-color: var(--sage);
  background: var(--mist);
}

.option strong {
  display: block;
  font-size: 15px;
  margin-bottom: 5px;
}

.option span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.upload-card {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
}

.upload-card.is-error {
  border-color: rgba(184, 92, 77, 0.35);
  background: #fff8f6;
}

.upload-status {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  background: var(--mist);
}

.upload-status strong {
  color: var(--sage);
  font-size: 13px;
}

.upload-status span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.photo-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.file-label {
  display: inline-grid;
  place-items: center;
  min-height: 48px;
  border-radius: 8px;
  font-weight: 800;
}

.pill-grid {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 4px;
  margin: 10px 0 16px;
}

.pill {
  flex: 0 0 auto;
  min-height: 36px;
  border-radius: 999px;
  padding: 0 13px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.pill.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.section {
  margin-top: 20px;
}

.preflight {
  display: grid;
  gap: 5px;
  margin-top: 4px;
  background: var(--mist);
}

.compact-result {
  padding-bottom: 14px;
}

.compact-result h2 {
  font-size: 23px;
}

.compact-result .badge-row {
  margin: 10px 0 12px;
}

.compact-result .compare-toggle {
  margin: 10px 0 10px;
}

.compact-result .room-image {
  aspect-ratio: 16 / 8.15;
}

.compact-result .section {
  margin-top: 14px;
}

.compact-result .product-list {
  gap: 8px;
}

.compact-result .product-card {
  min-height: 58px;
  grid-template-columns: 38px 1fr 20px;
  padding: 8px 10px;
}

.compact-result .swatch {
  width: 38px;
  height: 38px;
}

.compact-result .product-name {
  margin-bottom: 2px;
}

.compact-card {
  padding: 12px 14px;
}

.compact-card .list {
  gap: 5px;
}

.loader-card {
  margin-top: 20px;
  padding: 18px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.loader-thumb {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 16px;
}

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 4px solid #dfe8e3;
  border-top-color: var(--sage);
  animation: spin 1s linear infinite;
  margin: 0 auto 18px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: flex;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.step-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #d8deda;
  flex: 0 0 18px;
}

.step.done {
  color: var(--ink);
  font-weight: 700;
}

.step.done .step-dot {
  background: var(--sage);
}

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

.summary-card {
  margin-top: 14px;
}

.compare-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #eef2f1;
  border-radius: 8px;
  padding: 4px;
  margin: 14px 0 10px;
}

.compare-toggle button {
  min-height: 36px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.compare-toggle button.active {
  background: #fff;
  color: var(--navy);
}

.result-view {
  padding-bottom: 24px;
}

.result-image {
  aspect-ratio: 16 / 8.8;
}

.generation-note {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff9ef;
  border: 1px solid rgba(184, 137, 66, 0.28);
  color: #704c3c;
  font-size: 12px;
  line-height: 1.5;
}

.body-copy {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin-top: 10px;
}

.palette {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.palette span {
  width: 42px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.list-item {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.list-item::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 6px;
}

.product-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.product-card {
  display: grid;
  grid-template-columns: 54px 1fr 24px;
  gap: 12px;
  align-items: center;
  min-height: 76px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  text-align: left;
}

.swatch {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: linear-gradient(135deg, #f5efe5, #b7a68d);
}

.product-card:nth-child(2) .swatch {
  background: linear-gradient(135deg, #e9d8b8, #9d7857);
}

.product-card:nth-child(3) .swatch {
  background: linear-gradient(135deg, #fbfaf5, #d7d0c7);
}

.product-card:nth-child(4) .swatch {
  background: linear-gradient(135deg, #eee4d7, #c6b19d);
}

.product-name {
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 4px;
}

.product-meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.chevron {
  color: var(--muted);
  font-size: 22px;
}

.detail-hero {
  width: 100%;
  height: 210px;
  border-radius: 8px;
  background: linear-gradient(135deg, #f6eee4, #d0b18d 60%, #eef5f1);
  margin: 10px 0 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.detail-swatch {
  width: 210px;
  height: 92px;
  border-radius: 32px 32px 18px 18px;
  background: linear-gradient(135deg, #f5efe5, #c9aa84);
  box-shadow: 0 18px 38px rgba(38, 56, 74, 0.16);
}

.detail-view {
  padding-bottom: 18px;
}

.sticky-cta {
  margin-top: 18px;
  padding-bottom: 8px;
}

.kv {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 9px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.kv span:first-child {
  color: var(--muted);
}

.success-mark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--sage);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 38px;
  margin: 38px auto 18px;
}

.priority-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.priority-grid div {
  border-radius: 8px;
  background: var(--soft);
  padding: 12px;
}

.priority-grid strong,
.priority-grid span {
  display: block;
}

.priority-grid strong {
  color: var(--navy);
  font-size: 13px;
}

.priority-grid span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

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

.timeline div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
}

.timeline strong {
  width: 30px;
  height: 30px;
  border-radius: 15px;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 11px;
}

.timeline span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.warning-card {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  background: #fff9ef;
  border-color: rgba(184, 137, 66, 0.32);
}

.saved-card .room-image,
.plan-card .room-image {
  margin-bottom: 12px;
}

.empty-view {
  display: grid;
  align-content: start;
}

.empty-card {
  margin-top: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 22px 16px;
  background: rgba(255, 255, 255, 0.7);
}

.empty-card .primary {
  width: 100%;
  margin-top: 18px;
}

.plan-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.profile-card {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.profile-card p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--sage);
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 900;
}

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

.profile-section-title button {
  background: transparent;
  color: var(--sage);
  font-size: 12px;
  font-weight: 800;
}

.saved-plan-row {
  width: 100%;
  display: grid;
  grid-template-columns: 86px 1fr 20px;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  padding: 0;
  background: transparent;
  text-align: left;
}

.saved-plan-row img {
  width: 86px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
}

.saved-plan-row strong,
.saved-plan-row small,
.history-list strong,
.history-list small {
  display: block;
}

.saved-plan-row strong,
.history-list strong {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.35;
}

.saved-plan-row small,
.history-list small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.profile-prefs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.profile-prefs span {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--sage);
  font-size: 12px;
  font-weight: 800;
}

.history-list,
.settings-list {
  display: grid;
  gap: 0;
  margin-top: 12px;
}

.history-list button,
.settings-list button {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 20px;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
}

.history-list button:last-child,
.settings-list button:last-child {
  border-bottom: 0;
}

.settings-list span:first-child {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.error-state {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 22px 12px;
  text-align: center;
}

.error-state.standalone {
  min-height: 380px;
  align-content: center;
}

.error-mark {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 900;
}

.error-state p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 270px;
}

.tabbar {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
}

.tab {
  min-height: 58px;
  background: transparent;
  color: #8a9095;
  display: grid;
  justify-items: center;
  gap: 3px;
  font-size: 11px;
}

.tab.active {
  color: var(--navy);
}

.tab-icon {
  font-size: 20px;
  line-height: 20px;
}

@media (max-width: 460px) {
  .stage {
    padding: 0;
  }

  .phone {
    width: 100%;
    height: 100vh;
    min-height: 100vh;
    border: 0;
    border-radius: 0;
  }
}