:root {
  --color-bg: #ffffff;
  --color-text: #1b1f23;
  --color-muted: #5a6168;
  --color-border: #e1e4e8;
  --color-accent: #0b4f6c;
  --color-accent-bg: #f2f7f9;
  --max-width: 880px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #14181c;
    --color-text: #e6e8ea;
    --color-muted: #9aa3ab;
    --color-border: #2a2f34;
    --color-accent: #6fb6d2;
    --color-accent-bg: #1b2328;
  }
}

:root[data-theme="dark"] {
  --color-bg: #14181c;
  --color-text: #e6e8ea;
  --color-muted: #9aa3ab;
  --color-border: #2a2f34;
  --color-accent: #6fb6d2;
  --color-accent-bg: #1b2328;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-accent-bg);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
}
.site-header__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-right: auto;
}
.site-header__title:hover {
  text-decoration: none;
}
.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  font-weight: 600;
}

.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
  min-height: 50vh;
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 1rem;
}
h2 {
  font-size: 1.25rem;
  margin: 1.75rem 0 0.75rem;
}

.hero {
  text-align: center;
}
.hero img {
  max-width: 100%;
  border-radius: 6px;
  margin-top: 1rem;
}

.ship-search {
  width: 100%;
  max-width: 320px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.ship-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.4rem 1rem;
}
.ship-list li a {
  display: block;
  padding: 0.35rem 0;
}

.ship-count {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-top: -0.5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 600;
}

.ship-photos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}
.ship-photos img {
  max-width: 100%;
  max-height: 420px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.ship-fields {
  border-top: 1px solid var(--color-border);
}
.ship-fields dt {
  font-weight: 700;
  margin-top: 0.9rem;
}
.ship-fields dd {
  margin: 0.15rem 0 0;
  white-space: pre-line;
}

.not-found {
  color: var(--color-muted);
}

.loading {
  color: var(--color-muted);
}