:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --ink: #1c2230;
  --muted: #6b7280;
  --brand: #2563eb;
  --brand-ink: #ffffff;
  --ok: #16a34a;
  --bad: #dc2626;
  --line: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

nav .brand { font-weight: 700; margin-right: auto; }
nav a, nav button.link {
  color: var(--brand);
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  padding: 0;
}
nav a:hover, nav button.link:hover { text-decoration: underline; }
nav .who { color: var(--muted); font-size: 14px; }

main { max-width: 860px; margin: 24px auto; padding: 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }

label { display: block; font-size: 14px; margin: 10px 0 4px; color: var(--muted); }
input, select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  background: var(--brand);
  color: var(--brand-ink);
}
button.secondary { background: #eef2ff; color: var(--brand); }
button:disabled { opacity: .5; cursor: not-allowed; }

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > div { flex: 1; min-width: 160px; }

.departure {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.departure .meta { color: var(--muted); font-size: 14px; }
.departure .price { font-weight: 700; }

.error { color: var(--bad); margin: 10px 0; }
.success { color: var(--ok); margin: 10px 0; }
.muted { color: var(--muted); }

/* Seat map */
.seatmap { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.seatrow { display: flex; gap: 8px; }
.seat {
  width: 46px;
  padding: 10px 0;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.seat.taken { background: #e5e7eb; color: #9ca3af; cursor: not-allowed; }
.seat.selected { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.total { font-size: 18px; font-weight: 700; margin: 12px 0; }
.status-issued, .status-confirmed, .status-paid { color: var(--ok); }
.status-cancelled, .status-failed { color: var(--bad); }