:root {
  --electric-blue: #2563EB;
  --electric-blue-light: #4f83fb;
  --navy: #060B14;
  --navy-card: #0c1526;
  --navy-border: #1c2a42;
  --text-primary: #EAF1FF;
  --text-secondary: #8ea3c4;
  --urgent: #f97316;
  --success: #22c55e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--navy);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--navy-border);
  flex-wrap: wrap;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 8px; }
.logo { width: 28px; height: 28px; }
.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.topnav { display: flex; gap: 8px; }
.nav-link {
  background: transparent;
  border: 1px solid var(--navy-border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}
.nav-link:hover { border-color: var(--electric-blue-light); color: var(--text-primary); }
.nav-link.active {
  background: var(--electric-blue);
  border-color: var(--electric-blue);
  color: white;
  font-weight: 600;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

#hero { text-align: center; margin-bottom: 32px; }
#hero h1 { font-size: 32px; margin: 0 0 12px; letter-spacing: -0.02em; }
.subtitle { color: var(--text-secondary); font-size: 16px; margin: 0; }

.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-lead { margin: 0; color: var(--text-secondary); font-size: 14px; }

.field-row { display: flex; gap: 16px; }
.field-row label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

input {
  background: #0a1220;
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 15px;
  text-transform: uppercase;
}
input[type="date"], input[type="time"], input[type="number"],
input[type="email"], input[type="password"], input[type="tel"], #forward-address { text-transform: none; }

select {
  background: #0a1220;
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 15px;
}

dialog {
  border: none;
  padding: 0;
  background: transparent;
  color: var(--text-primary);
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.7); }
[hidden] { display: none !important; }

label.stacked {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.link-btn { background: none; border: 0; padding: 0; color: var(--electric-blue-light); font: inherit; cursor: pointer; text-decoration: underline; }
.btn-danger { color: #f87171; border-color: #f87171; }
.steps { margin: 12px 0; padding-left: 22px; font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.steps li { margin-bottom: 6px; }
.check-row { display: flex; align-items: center; gap: 10px; margin: 4px 0 14px; font-size: 14px; color: var(--text-secondary); }
.check-row input { width: 18px; height: 18px; flex: none; }
.btn-row { display: flex; gap: 12px; }
.btn-row .btn-primary, .btn-row .btn-secondary { flex: 1; }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 16px;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--electric-blue-light); }

.section-gap { margin-top: 24px; }
.section-title { font-size: 18px; margin: 0; }
.account-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; word-break: break-all; }
.copy-row { display: flex; gap: 8px; }
.copy-row input { flex: 1; min-width: 0; }

.flight-status {
  font-size: 12px;
  border-radius: 999px;
  padding: 3px 10px;
  border: 1px solid var(--navy-border);
  color: var(--text-secondary);
  white-space: nowrap;
}
.flight-status.on_time { border-color: var(--success); color: var(--success); }
.flight-status.delayed { border-color: var(--urgent); color: var(--urgent); }
.flight-status.cancelled { border-color: #f87171; color: #f87171; }
.flight-block { display: flex; flex-direction: column; gap: 8px; }
.flight-alts { margin: 0; padding-left: 18px; color: var(--text-secondary); font-size: 13px; }

.passenger-fieldset {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--navy-border);
}
.passenger-fieldset:last-child { border-bottom: none; }
.passenger-fieldset .card-lead { font-weight: 600; color: var(--text-primary); }
input:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.btn-primary {
  background: var(--electric-blue);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s ease;
}
.btn-primary:hover { background: var(--electric-blue-light); }
.btn-primary:active { transform: scale(0.98); }
.btn-urgent { background: var(--urgent); }
.btn-urgent:hover { background: #fb8b3f; }

.status {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
  min-height: 20px;
}
.status.error { color: #f87171; }

.results { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }

.offer-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.offer-card:first-child { border-color: var(--electric-blue); }

.offer-info { display: flex; flex-direction: column; gap: 4px; }
.offer-airline { font-weight: 600; font-size: 15px; }
.offer-route { color: var(--text-secondary); font-size: 13px; }
.offer-time { color: var(--text-primary); font-size: 14px; font-weight: 500; }

.offer-price { text-align: right; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.offer-amount { font-size: 20px; font-weight: 700; color: var(--electric-blue-light); }

.btn-select {
  background: transparent;
  border: 1px solid var(--electric-blue);
  color: var(--electric-blue-light);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.btn-select:hover { background: var(--electric-blue); color: white; }
.btn-select.selected { background: var(--success); border-color: var(--success); color: white; }

footer {
  border-top: 1px solid var(--navy-border);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 12px;
}

.badge {
  border: 1px solid var(--navy-border);
  border-radius: 999px;
  padding: 3px 10px;
}
.badge.live { border-color: var(--success); color: var(--success); }
.badge.mock { border-color: var(--urgent); color: var(--urgent); }

@media (max-width: 520px) {
  .field-row { flex-direction: column; }
  .topbar { flex-direction: column; align-items: flex-start; }
}

.legal h1 { font-size: 28px; margin: 0 0 4px; letter-spacing: -0.02em; }
.legal h2 { font-size: 18px; margin: 28px 0 8px; }
.legal p, .legal li { color: var(--text-secondary); line-height: 1.6; font-size: 15px; }
.legal ul { padding-left: 20px; }
.legal strong { color: var(--text-primary); }
.legal a, footer a { color: var(--electric-blue-light); }
.legal-date { font-size: 13px; }