:root {
  color-scheme: light dark;
  --bg: #f7f6f1;
  --fg: #060606;
  --accent: #ff5c00;
  --muted: #7b7b7b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 2rem clamp(1rem, 5vw, 4rem);
  font-family: "Space Grotesk", "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

a {
  color: inherit;
}

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

.site-header,
.site-footer,
section,
.card {
  border: 3px solid var(--fg);
  background: #fff;
  padding: 1.5rem;
  box-shadow: 6px 6px 0 var(--fg);
}

.site-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.site-header .badge {
  background: var(--fg);
  color: #000;
  padding: 0.5rem 1rem;
  font-weight: 700;
}

.site-header .eyebrow {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.site-header .tagline {
  margin-left: auto;
  font-size: 0.9rem;
}

.hero,
.search {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem 3rem;
}

.hero h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-top: 0;
}

.hero__cta {
  border-left: 4px solid var(--fg);
  padding-left: 1rem;
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
}

.search form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

input[type="text"] {
  flex: 1;
  padding: 0.85rem 1rem;
  border: 3px solid var(--fg);
  font-size: 1rem;
  font-family: inherit;
  text-transform: lowercase;
}

button {
  border: 3px solid var(--fg);
  background: var(--accent);
  color: var(--fg);
  font-weight: 700;
  text-transform: uppercase;
  padding: 0 1.5rem;
  cursor: pointer;
}

button:hover,
button:focus {
  background: #ffd5bf;
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.result .card {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.status {
  font-size: 1.25rem;
  margin: 0;
}

.status.free {
  color: #0a7b32;
}

.status.taken {
  color: #c1121f;
}

.meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

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

.ledger ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem;
}

.grid li {
  border: 2px solid var(--fg);
  padding: 0.75rem;
  text-align: center;
  background: #fffef5;
  text-transform: lowercase;
}

.site-footer {
  text-align: center;
  font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #f2f2f2;
    --muted: #a8a8a8;
  }

  body {
    background: var(--bg);
    color: var(--fg);
  }

  .site-header,
  .site-footer,
  section,
  .card {
    background: #111;
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.8);
  }

  input[type="text"],
  button {
    background: #050505;
    color: var(--fg);
  }

  .grid li {
    background: #050505;
  }
}