:root {
  color-scheme: light;
  --bg: #eef3fb;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --surface-muted: #f5f7fb;
  --text: #172033;
  --muted: #647089;
  --line: rgba(23, 32, 51, 0.1);
  --primary: #1f5eff;
  --primary-soft: rgba(31, 94, 255, 0.12);
  --danger: #d33f49;
  --danger-soft: rgba(211, 63, 73, 0.12);
  --success: #0e9f6e;
  --warning: #d97706;
  --shadow: 0 20px 45px rgba(17, 30, 58, 0.12);
  --radius: 8px;
  --content-width: 980px;
  --font-stack: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-stack);
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, 0.14), transparent 36%),
    radial-gradient(circle at top right, rgba(14, 159, 110, 0.12), transparent 28%),
    linear-gradient(180deg, #eef3fb 0%, #f8fafd 52%, #edf2fa 100%);
  color: var(--text);
}

body {
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

button,
input,
select,
textarea {
  font: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.hidden {
  display: none !important;
}

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

.topbar,
.app-main {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-inline: 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.topbar h1,
.view-header h2,
.panel h3,
.empty-state h2 {
  margin: 0;
}

.topbar h1 {
  font-size: clamp(2rem, 6vw, 2.8rem);
  line-height: 1;
}

.app-main {
  padding-bottom: 56px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.summary-card,
.panel,
.car-card,
.empty-state,
.settings-panel,
.detail-meta-row,
.detail-section,
.toolbar {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.summary-card,
.panel,
.car-card,
.empty-state,
.settings-panel,
.detail-meta-row,
.detail-section {
  border-radius: var(--radius);
}

.summary-card {
  padding: 16px;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 8px;
}

.summary-card strong {
  font-size: 1.4rem;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: end;
  justify-content: space-between;
  padding: 16px;
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.search-field {
  flex: 1;
}

.search-field span,
.field span,
.field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.search-field input,
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(23, 32, 51, 0.14);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 12px 14px;
  color: var(--text);
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.search-field input:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.field-error {
  min-height: 18px;
  display: block;
  margin-top: 6px;
  color: var(--danger);
  font-size: 0.78rem;
}

.field-hint {
  min-height: 18px;
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
}

.field-hint.valid {
  color: var(--success);
}

.field-hint.invalid {
  color: var(--danger);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.panel {
  padding: 18px;
  margin-bottom: 16px;
}

.panel-title-row,
.view-header,
.settings-actions,
.detail-actions,
.car-card-header,
.reconditioning-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.car-list {
  display: grid;
  gap: 14px;
}

.car-card {
  padding: 18px;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}

.car-card:active {
  transform: scale(0.99);
}

.car-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.car-card-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.meta-chip {
  background: var(--surface-muted);
  border-radius: 8px;
  padding: 10px 12px;
}

.meta-chip span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 4px;
}

.status-pill,
.sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-pill.unsold,
.sync-badge.pending {
  background: rgba(217, 119, 6, 0.13);
  color: var(--warning);
}

.status-pill.sold,
.sync-badge.synced {
  background: rgba(14, 159, 110, 0.14);
  color: var(--success);
}

.sync-badge.failed {
  background: var(--danger-soft);
  color: var(--danger);
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button {
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  cursor: pointer;
  min-height: 44px;
}

.small {
  min-height: 38px;
  padding: 8px 12px;
}

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

.secondary-button,
.icon-button {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid rgba(23, 32, 51, 0.12);
}

.danger-button,
.icon-button.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.readonly-field output {
  display: block;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--surface-muted);
  font-weight: 700;
}

.reconditioning-list,
.image-groups {
  display: grid;
  gap: 12px;
}

.reconditioning-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px 52px;
  gap: 12px;
  align-items: end;
}

.reconditioning-total {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.image-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface-muted);
}

.image-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}

.image-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(23, 32, 51, 0.12);
  aspect-ratio: 1;
  background: #d7e1f2;
}

.image-card button {
  position: absolute;
  right: 8px;
  top: 8px;
  min-height: 30px;
  padding: 0 8px;
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-card-footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  background: linear-gradient(180deg, transparent, rgba(5, 15, 30, 0.78));
  color: #fff;
  font-size: 0.76rem;
}

.supporting-text {
  color: var(--muted);
  margin: 10px 0 0;
  line-height: 1.5;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 26px;
}

.detail-content {
  display: grid;
  gap: 14px;
}

.detail-meta-row,
.detail-section {
  padding: 18px;
}

.detail-section h3 {
  margin: 0 0 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.detail-item {
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-muted);
}

.detail-item span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 5px;
}

.detail-images {
  display: grid;
  gap: 14px;
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.detail-gallery button {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1;
}

.detail-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.empty-state {
  padding: 28px 20px;
  text-align: center;
}

.empty-state img {
  width: min(100%, 380px);
  margin: 0 auto 18px;
}

.settings-drawer {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.3);
  backdrop-filter: blur(6px);
  padding: 16px;
}

.settings-panel {
  width: min(100%, 520px);
  margin-left: auto;
  padding: 18px;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.confirm-dialog,
.image-dialog {
  border: 0;
  border-radius: 12px;
  padding: 0;
  box-shadow: var(--shadow);
}

.confirm-dialog::backdrop,
.image-dialog::backdrop {
  background: rgba(10, 18, 31, 0.48);
}

.dialog-form {
  width: min(92vw, 420px);
  padding: 20px;
}

.dialog-actions {
  display: flex;
  gap: 12px;
  justify-content: end;
}

.image-dialog {
  background: transparent;
}

.image-dialog img {
  max-width: min(92vw, 780px);
  max-height: 82vh;
  border-radius: 12px;
}

.image-dialog button {
  display: block;
  margin: 12px auto 0;
}

@media (max-width: 720px) {
  .toolbar,
  .form-actions,
  .settings-actions,
  .view-header,
  .detail-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .car-card-meta,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .reconditioning-item {
    grid-template-columns: 1fr;
  }

  .topbar h1 {
    font-size: 2.2rem;
  }
}