:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --surface-soft: #e2e8f0;
  --border: #dbe2ea;
  --text: #0f172a;
  --muted: #526076;
  --accent: #1d4ed8;
  --accent-strong: #1e3a8a;
  --success: #166534;
  --success-bg: #dcfce7;
  --warning: #92400e;
  --warning-bg: #fef3c7;
  --danger: #991b1b;
  --danger-bg: #fee2e2;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius: 1.25rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 20%, var(--bg) 100%);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-strong);
}

a:focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.35);
  outline-offset: 3px;
  border-radius: 0.25rem;
}

.site-header,
.page-shell {
  width: min(72rem, 100%);
  margin-inline: auto;
  padding-inline: 1rem;
}

.site-header {
  padding-block: 1.5rem 0.5rem;
  display: grid;
  gap: 0.25rem;
}

.site-title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
}

.site-title a:hover {
  color: var(--accent);
}

.site-description {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.page-shell {
  padding-block: 1rem 3rem;
}

.page-shell > h1,
.item-detail h1 {
  margin-top: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.page-shell > h2,
.item-detail h2 {
  margin-top: 2rem;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-shell > p {
  max-width: 60ch;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: 1.02rem;
  overflow-wrap: anywhere;
}

.site-header,
.page-shell,
.item-grid,
.item-card,
.item-card__body,
.item-detail,
.item-detail__header,
.item-detail__content,
details.sold-items {
  min-width: 0;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.25rem;
  margin: 1rem 0 2rem;
}

.item-grid--sold {
  margin-bottom: 0;
}

.item-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  min-height: 100%;
}

.item-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.12);
  border-color: #c6d2e3;
}

.item-card__image-link {
  display: block;
  background: var(--surface-muted);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.item-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-card__body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.item-card__status {
  margin: 0;
  display: inline-flex;
  align-self: flex-start;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--surface-soft);
  color: var(--text);
}

.item-card--available .item-card__status {
  background: var(--success-bg);
  color: var(--success);
}

.item-card--pending .item-card__status {
  background: var(--warning-bg);
  color: var(--warning);
}

.item-card--sold .item-card__status {
  background: var(--danger-bg);
  color: var(--danger);
}

.item-card__title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.item-card__title a {
  color: inherit;
  text-decoration: none;
}

.item-card__title a:hover {
  color: var(--accent);
}

.item-card__price {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}

.item-card__meta,
.item-card__excerpt {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  overflow-wrap: anywhere;
}

.item-card__excerpt {
  line-height: 1.6;
}

.item-card--sold {
  opacity: 0.8;
}

.item-card--sold .item-card__image {
  filter: saturate(0.8) grayscale(0.18);
}

.item-card--sold .item-card__price {
  color: #475569;
}

details.sold-items {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

details.sold-items > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

details.sold-items > summary::-webkit-details-marker {
  display: none;
}

details.sold-items[open] > summary {
  padding-bottom: 0.9rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
}

details.sold-items > summary::after {
  content: "Show";
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

details.sold-items[open] > summary::after {
  content: "Hide";
}

details.sold-items .item-grid {
  margin: 0;
}

.item-detail {
  max-width: 46rem;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.item-detail > p:first-child {
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.item-detail__header,
.item-detail__content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.item-detail__header {
  display: grid;
  gap: 0.65rem;
}

.item-detail__status,
.item-detail__price,
.item-detail__meta,
.item-detail__contact {
  margin: 0;
  overflow-wrap: anywhere;
}

.item-detail__status,
.item-detail__meta,
.item-detail__contact {
  color: var(--muted);
}

.item-detail__price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
}

.item-detail__figure {
  margin: 0;
}

.item-detail__image {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 0.2rem);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.item-detail__content {
  line-height: 1.75;
}

.item-detail__content > :first-child {
  margin-top: 0;
}

.item-detail__content > :last-child {
  margin-bottom: 0;
}

.item-detail__contact {
  font-size: 0.95rem;
}

@media (max-width: 42rem) {
  .site-header,
  .page-shell {
    padding-inline: 0.75rem;
  }

  .site-header {
    padding-block-start: 1rem;
  }

  .item-card__body,
  .item-detail__header,
  .item-detail__content,
  details.sold-items {
    padding: 1rem;
  }

  .item-card__price {
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}