:root {
  color-scheme: light;
  --blue-900: #082d58;
  --blue-800: #0f4c82;
  --blue-700: #125f9d;
  --yellow: #ffd600;
  --yellow-soft: #fff5a8;
  --ink: #172033;
  --muted: #637083;
  --line: #d9e2ee;
  --surface: #ffffff;
  --paper: #f6f8fb;
  --red: #b42318;
  --green: #138a55;
  --shadow: 0 18px 44px rgba(8, 45, 88, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(8, 45, 88, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(8, 45, 88, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  font-family: Arial, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  letter-spacing: 0;
}

body:has(dialog[open]) {
  overflow: hidden;
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  background: rgba(8, 45, 88, 0.94);
  backdrop-filter: blur(16px);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-lockup img {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border: 2px solid var(--yellow);
  border-radius: 50%;
  background: var(--yellow);
}

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

.brand-lockup strong {
  font-size: 20px;
  line-height: 1.15;
  font-weight: 900;
}

.brand-lockup small {
  margin-top: 5px;
  color: var(--yellow-soft);
  font-size: 12px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.header-actions a,
.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  font-weight: 800;
}

.header-actions a {
  font-size: 14px;
}

.solid-action,
.button.primary {
  border-color: var(--yellow);
  color: var(--blue-900);
  background: var(--yellow);
}

.button.secondary {
  border-color: rgba(8, 45, 88, 0.18);
  color: var(--blue-800);
  background: var(--surface);
}

.button:hover,
.header-actions a:hover {
  transform: translateY(-1px);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 26px clamp(16px, 3vw, 28px) 64px;
}

.garage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 22px;
  align-items: stretch;
  min-height: 318px;
  margin-bottom: 28px;
  color: #fff;
}

.hero-copy,
.hero-panel,
.inventory-section {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(26px, 5vw, 48px);
  background:
    linear-gradient(135deg, rgba(255, 214, 0, 0.14), transparent 48%),
    linear-gradient(135deg, var(--blue-900), var(--blue-800));
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.hero-copy h1 {
  max-width: 820px;
  margin: 0;
  font-size: 52px;
  line-height: 1.08;
  font-weight: 900;
}

.hero-copy p:not(.eyebrow) {
  max-width: 680px;
  margin: 18px 0 0;
  color: #dbe9f6;
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-panel {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 28px;
  color: var(--ink);
  background: var(--surface);
}

.hero-panel img {
  width: 160px;
  height: 160px;
  justify-self: center;
  border-radius: 50%;
  border: 4px solid var(--yellow);
  background: var(--yellow);
}

.hero-panel dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
}

.hero-panel dl div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
}

.hero-panel dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.hero-panel dd {
  margin: 7px 0 0;
  color: var(--blue-900);
  font-size: 22px;
  font-weight: 900;
}

.inventory-section {
  padding: clamp(18px, 3vw, 28px);
  background: rgba(255, 255, 255, 0.92);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.inventory-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 190px;
  gap: 12px;
  margin-bottom: 22px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

input,
select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(18, 95, 157, 0.12);
}

.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.vehicle-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(8, 45, 88, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.vehicle-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(8, 45, 88, 0.15);
}

.vehicle-card button {
  width: 100%;
  padding: 0;
  border: 0;
  color: inherit;
  text-align: left;
  background: transparent;
}

.card-photo,
.detail-main-photo {
  position: relative;
  overflow: hidden;
  background: #e7edf4;
}

.card-photo {
  aspect-ratio: 16 / 10;
}

.card-photo img,
.thumbnail-row img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.detail-main-photo {
  display: grid;
  place-items: center;
  background: #101923;
}

.detail-main-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 28px;
  color: var(--blue-800);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(255, 214, 0, 0.28), transparent 44%),
    #eaf1f8;
}

.photo-placeholder img {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: 3px solid var(--yellow);
  background: var(--yellow);
  object-fit: cover;
}

.status-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--blue-900);
  background: var(--yellow);
  font-size: 12px;
  font-weight: 900;
}

.card-body {
  padding: 16px;
}

.card-body h3 {
  margin: 0;
  min-height: 48px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
  font-weight: 900;
}

.price {
  margin: 8px 0 12px;
  color: var(--red);
  font-size: 24px;
  font-weight: 900;
}

.spec-row,
.highlight-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-row span,
.highlight-row span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border-radius: 999px;
  color: var(--muted);
  background: #f0f4f8;
  font-size: 12px;
  font-weight: 800;
}

.highlight-row {
  margin-top: 12px;
}

.highlight-row span {
  color: var(--blue-800);
  background: #eaf4ff;
}

.empty-state {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 52px 18px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
}

.empty-state img {
  width: 116px;
  height: 116px;
  border-radius: 50%;
  border: 3px solid var(--yellow);
  background: var(--yellow);
}

.empty-state h3,
.empty-state p {
  margin: 0;
}

.empty-state h3 {
  font-size: 24px;
}

.empty-state p {
  max-width: 520px;
  color: var(--muted);
  line-height: 1.7;
}

.vehicle-dialog {
  width: min(1080px, calc(100vw - 28px));
  max-height: min(860px, calc(100vh - 28px));
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

.vehicle-dialog::backdrop {
  background: rgba(5, 16, 32, 0.58);
  backdrop-filter: blur(4px);
}

.dialog-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  min-height: 620px;
}

.icon-button {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(8, 45, 88, 0.16);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
}

.icon-button svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
}

.detail-gallery {
  display: grid;
  grid-template-rows: minmax(420px, 1fr) auto;
  min-width: 0;
  background: #e8eef5;
}

.detail-main-photo {
  min-height: 420px;
}

.thumbnail-row {
  display: flex;
  gap: 10px;
  padding: 12px;
  overflow-x: auto;
  background: #f3f6fa;
}

.thumbnail-row button {
  width: 86px;
  height: 64px;
  flex: 0 0 86px;
  overflow: hidden;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: #dfe7f0;
}

.thumbnail-row button.active {
  border-color: var(--yellow);
}

.detail-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: min(860px, calc(100vh - 28px));
  overflow-y: auto;
  padding: 34px 30px 30px;
}

.detail-content h2 {
  margin: 0;
  padding-right: 42px;
  font-size: 32px;
  line-height: 1.2;
}

.detail-price {
  margin: -8px 0 0;
  color: var(--red);
  font-size: 30px;
  font-weight: 900;
}

.detail-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.detail-specs div {
  min-width: 0;
}

.detail-specs dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.detail-specs dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-weight: 900;
}

.detail-block h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.detail-block p {
  margin: 0;
  color: #435064;
  line-height: 1.75;
}

.detail-block ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-block li {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--green);
  background: #e9f7ef;
  font-size: 13px;
  font-weight: 900;
}

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

.noscript {
  margin: 0;
  padding: 14px;
  text-align: center;
  color: #fff;
  background: var(--red);
}

@media (max-width: 980px) {
  .vehicle-dialog {
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px);
    overflow: hidden;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
    overflow-x: auto;
  }

  .garage-hero,
  .dialog-shell {
    grid-template-columns: 1fr;
  }

  .dialog-shell {
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px);
    overflow: hidden;
  }

  .hero-panel {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: center;
  }

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

  .inventory-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .inventory-toolbar label:first-child {
    grid-column: 1 / -1;
  }

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

  .detail-gallery {
    flex: 0 0 auto;
    grid-template-rows: auto auto;
  }

  .detail-main-photo {
    height: clamp(210px, 34vh, 330px);
    height: clamp(210px, 34dvh, 330px);
    min-height: 0;
  }

  .thumbnail-row {
    gap: 8px;
    padding: 10px;
  }

  .thumbnail-row button {
    width: 78px;
    height: 56px;
    flex-basis: 78px;
  }

  .detail-content {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
  }
}

@media (max-width: 640px) {
  .vehicle-dialog {
    width: calc(100vw - 20px);
    max-width: 430px;
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
    overflow: hidden;
  }

  .dialog-shell {
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
    overflow: hidden;
  }

  .icon-button {
    top: 8px;
    right: 8px;
    width: 34px;
    height: 34px;
  }

  .icon-button svg {
    width: 18px;
    height: 18px;
  }

  .brand-lockup strong {
    font-size: 17px;
  }

  .header-actions a {
    flex: 1 0 auto;
  }

  main {
    padding-top: 16px;
  }

  .garage-hero {
    min-height: 0;
  }

  .hero-copy h1 {
    font-size: 34px;
  }

  .hero-copy p:not(.eyebrow) {
    font-size: 16px;
  }

  .hero-actions,
  .dialog-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

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

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .inventory-toolbar,
  .vehicle-grid {
    grid-template-columns: 1fr;
  }

  .detail-main-photo {
    height: clamp(190px, 38vh, 300px);
    height: clamp(190px, 38dvh, 300px);
  }

  .thumbnail-row {
    gap: 8px;
    padding: 8px;
  }

  .thumbnail-row button {
    width: 62px;
    height: 46px;
    flex-basis: 62px;
    border-radius: 6px;
  }

  .detail-content {
    flex: 1 1 auto;
    gap: 12px;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    padding: 18px 16px 16px;
  }

  .detail-content h2 {
    padding-right: 34px;
    font-size: 22px;
    line-height: 1.25;
  }

  .detail-price {
    margin-top: -4px;
    font-size: 26px;
  }

  .detail-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 12px 0;
  }

  .detail-specs dt {
    font-size: 11px;
  }

  .detail-specs dd {
    margin-top: 4px;
    font-size: 13px;
    line-height: 1.35;
  }

  .detail-block h3 {
    margin-bottom: 8px;
    font-size: 15px;
  }

  .detail-block p {
    font-size: 14px;
    line-height: 1.65;
  }

  .detail-block li {
    min-height: 26px;
    padding: 0 9px;
    font-size: 12px;
  }

  .dialog-actions .button {
    min-height: 42px;
  }
}