:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --surface2: #243040;
  --border: #2e3d4f;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cf0;
  --accent-dim: #2a6fad;
  --good: #3ecf8e;
  --warn: #e6b84d;
  --bad: #e85d5d;
  --prem: #b794f6;
  --radius: 12px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
}

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

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

header.app-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
header .sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 36rem;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
}
.badge strong { color: var(--text); font-weight: 600; }
.badge.live { border-color: var(--good); color: var(--good); }
.badge.pending { border-color: var(--warn); color: var(--warn); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}
.field label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.field select,
.field input[type="number"] {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  font: inherit;
  font-size: 0.9rem;
}
.field select:focus,
.field input:focus {
  outline: 2px solid var(--accent-dim);
  border-color: var(--accent);
}
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent-dim); color: var(--text); }
.chip.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: #fff;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.tab {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.tab.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  font-weight: 600;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.meta-bar .count strong { color: var(--text); }

.sort-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.sort-row select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.45rem;
  font: inherit;
  font-size: 0.85rem;
}

.cards {
  display: grid;
  gap: 0.85rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem 1rem;
}
.card:hover { border-color: #3d5168; }
.card.best {
  border-color: var(--good);
  box-shadow: 0 0 0 1px rgba(62, 207, 142, 0.25);
}
.card-main { min-width: 0; }
.card-price {
  text-align: right;
  min-width: 7.5rem;
}
.card-price .amount {
  font-size: 1.35rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.card-price .amount.na { color: var(--muted); font-size: 1rem; font-weight: 500; }
.card-price .per { font-size: 0.72rem; color: var(--muted); margin-top: 0.15rem; }
.card-price .score {
  margin-top: 0.45rem;
  font-size: 0.72rem;
  color: var(--muted);
}
.card-price .score strong { color: var(--good); }

.route {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 0.2rem;
}
.airline { color: var(--muted); font-size: 0.85rem; margin: 0 0 0.55rem; }
.times {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  margin: 0 0 0.55rem;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.55rem; }
.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
}
.tag.eco { color: #9ad4ff; }
.tag.prem { color: var(--prem); border-color: #5a4a7a; }
.tag.direct { color: var(--good); }
.tag.warn { color: var(--warn); }
.tag.dom { color: #9aa8b8; }

.legs {
  margin: 0.4rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--muted);
}
.legs li {
  padding: 0.25rem 0;
  border-top: 1px dashed var(--border);
}
.legs li:first-child { border-top: none; }

.card-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn.primary:hover { background: #4aa8f5; }

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.notes {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.notes details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}
.notes summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
}
.notes p, .notes ul {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.notes ul { padding-left: 1.1rem; }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 720px) {
  .card { grid-template-columns: 1fr; }
  .card-price { text-align: left; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: baseline; }
  .compare-grid { grid-template-columns: 1fr; }
  header h1 { font-size: 1.15rem; }
}

footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
}