:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --border: #e5e2da;
  --text: #1c1b19;
  --text-dim: #6b6a63;
  --brand: #0f7a5c;
  --brand-dark: #0b5c45;
  --accent: #e8a33d;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15140f;
    --surface: #1e1d17;
    --border: #33322a;
    --text: #f1efe8;
    --text-dim: #a9a696;
    --brand: #2fbb8f;
    --brand-dark: #21a37c;
    --accent: #f0b955;
  }
}
:root[data-theme="dark"] {
  --bg: #15140f;
  --surface: #1e1d17;
  --border: #33322a;
  --text: #f1efe8;
  --text-dim: #a9a696;
  --brand: #2fbb8f;
  --brand-dark: #21a37c;
  --accent: #f0b955;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
a { color: var(--brand-dark); }

.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding-block: 16px; }
.logo { font-weight: 800; font-size: 1.25rem; text-decoration: none; color: var(--text); }
.logo span { color: var(--brand); }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a { text-decoration: none; color: var(--text-dim); font-weight: 600; font-size: 0.95rem; }

.hero { padding-block: 56px 40px; text-align: center; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0 0 10px; }
.hero p { color: var(--text-dim); max-width: 560px; margin: 0 auto 28px; }

.search-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}
.modes { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.mode {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}
.mode.active { background: var(--brand); border-color: var(--brand); color: #fff; }

.fields { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: end; }
@media (max-width: 560px) { .fields { grid-template-columns: 1fr; } }
.fields label { display: flex; flex-direction: column; gap: 6px; font-size: 0.8rem; color: var(--text-dim); font-weight: 600; }
.fields input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
.btn-search {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-weight: 700;
  cursor: pointer;
}
.btn-search:hover { background: var(--brand-dark); }

#results-section { padding-block: 32px 8px; }
.results-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-top: 16px; }
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.result-card .route { font-weight: 700; margin: 0 0 4px; }
.result-card .meta { color: var(--text-dim); font-size: 0.85rem; margin: 0 0 10px; }
.result-card .price { color: var(--accent); font-weight: 700; }
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  margin-bottom: 8px;
}
#empty-state { color: var(--text-dim); }

.info-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); padding-block: 36px; }
.info-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.info-card h3 { margin: 0 0 8px; }
.info-card p { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 12px; }
.btn-out {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--brand-dark);
  margin-right: 12px;
}

.site-footer { border-top: 1px solid var(--border); margin-top: 24px; }
.site-footer .wrap { padding-block: 24px; color: var(--text-dim); font-size: 0.8rem; }