:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07131f;
  color: #f5f8fb;
}
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; background: radial-gradient(circle at 90% 0, #123d51, #07131f 38rem); }
.admin-header, main { width: min(78rem, calc(100% - 2rem)); margin-inline: auto; }
.admin-header { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); }
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; font-weight: 800; text-decoration: none; }
.brand span { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: .7rem; color: #061620; background: #75ddff; font-size: .8rem; }
main { padding: 4rem 0; }
.login-card { width: min(28rem, 100%); margin: 3rem auto; padding: 2rem; border: 1px solid rgba(255,255,255,.15); border-radius: 1.2rem; background: rgba(5,17,27,.82); }
.eyebrow { margin: 0 0 .8rem; color: #75ddff; font-size: .72rem; font-weight: 800; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(2rem,5vw,3.7rem); letter-spacing: -.04em; }
.login-card > p:not(.eyebrow) { color: #aebfca; line-height: 1.6; }
form { display: grid; gap: 1rem; margin-top: 1.5rem; }
label { display: grid; gap: .5rem; color: #d9e6ed; font-size: .9rem; font-weight: 700; }
input, select { width: 100%; padding: .85rem 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: .7rem; color: #fff; background: #0a1c29; font: inherit; }
button { min-height: 2.8rem; padding: .7rem 1rem; border: 0; border-radius: .7rem; color: #04131c; background: #75ddff; font: inherit; font-weight: 800; cursor: pointer; }
button:disabled { opacity: .55; cursor: wait; }
.quiet-button { color: #e7f3f8; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.05); }
.status { min-height: 1.3rem; margin: .4rem 0 0; color: #aeeecb; }
.status.error { color: #ffb3b3; }
.dashboard-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.stats { display: grid; grid-template-columns: repeat(6,minmax(7rem,1fr)); gap: .8rem; margin: 2rem 0; overflow-x: auto; }
.stat { min-width: 7rem; padding: 1rem; border: 1px solid rgba(255,255,255,.12); border-radius: .8rem; background: rgba(255,255,255,.04); }
.stat strong { display: block; font-size: 1.65rem; }
.stat span { color: #aebfca; font-size: .8rem; }
.booking-list { display: grid; gap: 1rem; }
.booking-card { padding: 1.25rem; border: 1px solid rgba(255,255,255,.13); border-radius: 1rem; background: rgba(5,17,27,.76); }
.booking-top { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.booking-id { margin: 0; color: #75ddff; font-size: .8rem; font-weight: 800; letter-spacing: .04em; }
.booking-route { margin: .4rem 0; font-size: 1.2rem; font-weight: 800; }
.booking-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; margin: .7rem 0; color: #bfd0d9; font-size: .9rem; }
.booking-comment { margin: .8rem 0 0; color: #dce7ed; white-space: pre-wrap; }
.status-control { width: min(13rem,100%); display: grid; gap: .4rem; }
.status-control label { font-size: .72rem; }
.empty { padding: 3rem 1rem; text-align: center; color: #aebfca; border: 1px dashed rgba(255,255,255,.15); border-radius: 1rem; }
@media (max-width: 720px) {
  main { padding-top: 2rem; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .booking-top { flex-direction: column; }
  .status-control { width: 100%; }
}