:root {
  --bg: #070b14;
  --board: #10182a;
  --ink: #eef3ea;
  --muted: #9aa7b8;
  --line: rgba(245, 193, 108, 0.22);
  --amber: #f5c16c;
  --green: #7ee0a8;
  --sand: #f4efe3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(245, 193, 108, 0.12), transparent 50%),
    radial-gradient(900px 400px at 100% 0%, rgba(46, 90, 136, 0.28), transparent 45%),
    var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

.sky {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.mast {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 6px;
  color: var(--amber);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  letter-spacing: 0.04em;
  font-weight: 700;
}

h1 span {
  display: block;
  margin-top: 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.clock-block {
  text-align: right;
}

.clock {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 42px;
  color: var(--amber);
  line-height: 1;
}

.clock-sub {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.toolbar,
.meta-row,
.import-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}

.toolbar {
  margin-top: 18px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

label.grow {
  flex: 1 1 220px;
}

select,
input[type="search"],
input[type="date"] {
  background: var(--board);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  min-width: 180px;
  color-scheme: dark;
}

input[type="date"] {
  min-width: 154px;
  font-family: "IBM Plex Mono", monospace;
}

.tabs {
  display: flex;
  gap: 6px;
  background: #0c1424;
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.tab {
  color: var(--muted);
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 9px;
  font-weight: 600;
}

.tab.is-on {
  background: var(--amber);
  color: #1a1408;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: #22314d;
  color: var(--sand);
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
}

.btn.green {
  background: #1f9d5a;
  color: #f4fff8;
}

.btn.green:hover {
  background: #18874c;
}

.meta-row {
  justify-content: space-between;
  margin: 16px 0;
  color: var(--muted);
  font-size: 14px;
}

.meta-row a {
  color: var(--amber);
}

.flash {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.flash li {
  background: rgba(126, 224, 168, 0.12);
  border: 1px solid rgba(126, 224, 168, 0.35);
  color: var(--green);
  padding: 10px 12px;
  border-radius: 10px;
}

.board-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--board);
}

.board {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

.board th {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: #0d1628;
  position: sticky;
  top: 0;
}

.board td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.board tbody tr:hover td {
  background: rgba(245, 193, 108, 0.06);
}

.time,
.flight,
.mono,
.iata {
  font-family: "IBM Plex Mono", monospace;
}

.flight {
  color: var(--amber);
  font-weight: 600;
}

.city {
  display: block;
}

.iata {
  color: var(--muted);
  font-size: 12px;
}

.status {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(126, 224, 168, 0.12);
  color: var(--green);
  font-size: 12px;
}

.status.mute {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.codeshare {
  color: var(--muted);
  font-size: 13px;
  max-width: 220px;
}

.col-detail {
  text-align: right;
  white-space: nowrap;
}

.detail-btn {
  border: 1px solid rgba(126, 224, 168, 0.35);
  background: rgba(126, 224, 168, 0.1);
  color: var(--green);
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.detail-btn:hover {
  background: rgba(126, 224, 168, 0.2);
}

.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: end center;
  padding: 16px;
  background: rgba(4, 8, 16, 0.72);
  backdrop-filter: blur(6px);
}

.detail-overlay[hidden] {
  display: none;
}

.detail-sheet {
  width: min(560px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  background: #17191c;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 18px 18px 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  animation: sheet-up 0.22s ease-out;
}

@keyframes sheet-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.detail-time {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
}

.detail-flight {
  margin: 4px 0 0;
  color: #d7dde6;
  font-size: 15px;
}

.detail-direction {
  margin: 2px 0 8px;
  color: #c8d0da;
  font-size: 15px;
}

.detail-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid rgba(76, 217, 120, 0.55);
  color: #4cd978;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.detail-code-row {
  margin: 10px 0 0;
  color: #aeb6c2;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.detail-code-row strong {
  color: #eef3ea;
  font-family: "IBM Plex Mono", monospace;
}

.detail-tracker,
.detail-source-link {
  color: #4cd978;
  text-decoration: none;
  font-weight: 600;
}

.detail-tracker:hover,
.detail-source-link:hover {
  text-decoration: underline;
}

.detail-close {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 0;
  background: #2a2d32;
  color: #dfe5ee;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.detail-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 16px;
  background: #1b1e22;
}

.detail-route {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.detail-iata {
  margin: 0;
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.detail-airport.end {
  text-align: right;
}

.detail-airport-link {
  color: #9aa3af;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.detail-path {
  text-align: center;
}

.detail-duration {
  display: block;
  color: #aeb6c2;
  font-size: 13px;
  margin-bottom: 6px;
}

.detail-line {
  position: relative;
  height: 2px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 99px;
}

.detail-plane {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #4cd978;
  font-size: 14px;
  background: #1b1e22;
  padding: 0 6px;
}

.detail-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 14px;
}

.detail-side {
  padding: 4px 14px 4px 0;
}

.detail-side + .detail-side {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 0 4px 14px;
}

.detail-place {
  margin: 0 0 12px;
  color: #d5dbe3;
  font-size: 14px;
}

.detail-metrics {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 8px;
}

.detail-label {
  display: block;
  color: #8b94a1;
  font-size: 11px;
  margin-bottom: 4px;
}

.detail-metrics strong {
  display: block;
  font-size: 18px;
  font-weight: 600;
}

.detail-metric-time {
  color: #4cd978 !important;
  font-size: 22px !important;
}

.detail-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #8b94a1;
  font-size: 12px;
}

.detail-foot p {
  margin: 0;
}

.detail-share {
  border: 0;
  background: transparent;
  color: #c5ccd6;
  cursor: pointer;
  padding: 4px;
}

.empty {
  padding: 48px 24px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 16px;
}

.empty.warn {
  border-color: var(--amber);
}

footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 720px) {
  .mast,
  .meta-row {
    display: grid;
  }

  .clock-block {
    text-align: left;
  }

  .detail-head {
    grid-template-columns: 1fr auto;
  }

  .detail-head-mid {
    grid-column: 1 / -1;
  }

  .detail-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .detail-metrics > div:first-child {
    grid-column: 1 / -1;
  }
}