:root {
  --bg: #08080a;
  --board: #111114;
  --panel: #17171b;
  --tile: #1e1e23;
  --tile-hi: #26262c;
  --line: #2a2a31;
  --amber: #ffb000;
  --amber-soft: rgba(255, 176, 0, 0.14);
  --text: #ece9e2;
  --muted: #8b8b93;
  --green: #3ddc84;
  --red: #ff4d4d;
  --grey: #6b6b72;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  background:
    radial-gradient(1200px 600px at 50% -200px, rgba(255, 176, 0, 0.07), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.mono { font-family: var(--mono); }

.board {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 40px;
}

.label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

/* Header */
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 40px; height: 40px; fill: var(--amber); background: var(--panel); border-radius: 10px; padding: 7px; }
h1 {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  color: var(--amber);
}
.tag { margin: 2px 0 0; color: var(--muted); font-size: 13px; letter-spacing: 0.04em; }
.now { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.now-time { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 0.04em; }
.zone-pick { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }

select, input, button { font: inherit; color: inherit; }
select {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 28px 6px 10px;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* Paste */
.paste { padding: 26px 0 8px; }
.paste-row { display: flex; gap: 12px; flex-wrap: wrap; }
#deadlineInput {
  flex: 1 1 420px;
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 18px;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
#deadlineInput::placeholder { color: #55555c; }
#deadlineInput:focus { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); outline: none; }
#deadlineInput.bad { border-color: var(--red); box-shadow: 0 0 0 4px rgba(255, 77, 77, 0.12); }
.ask-zone {
  display: flex; align-items: center; gap: 10px;
  background: var(--amber-soft); border: 1px solid rgba(255, 176, 0, 0.4);
  border-radius: 12px; padding: 8px 12px; color: var(--amber); font-size: 14px;
}
.hint { color: var(--muted); font-size: 13px; margin: 12px 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.hint.error { color: var(--red); }
.chip {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.chip:hover { border-color: var(--amber); color: var(--amber); }

/* Gate */
.gate {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 18px;
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 28px;
  position: relative;
  overflow: hidden;
}
.gate::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0 2px, transparent 2px 4px);
}
.flaps { display: flex; gap: 8px; align-items: center; }
.flap {
  position: relative;
  width: 74px; height: 104px;
  background: linear-gradient(180deg, var(--tile-hi) 0 50%, var(--tile) 50% 100%);
  border-radius: 9px;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 800; font-size: 76px; color: var(--amber);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.5), 0 6px 18px rgba(0, 0, 0, 0.35);
  text-shadow: 0 0 18px rgba(255, 176, 0, 0.25);
}
.flap::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 2px;
  background: rgba(0, 0, 0, 0.75);
}
.flap.sep { width: 26px; background: none; box-shadow: none; font-size: 64px; }
.flap.sep::before { display: none; }
.flap.flip { animation: flip 0.42s cubic-bezier(0.3, 0.7, 0.4, 1); }
@keyframes flip {
  0% { transform: perspective(300px) rotateX(0); filter: brightness(1); }
  45% { transform: perspective(300px) rotateX(-88deg); filter: brightness(0.55); }
  100% { transform: perspective(300px) rotateX(0); filter: brightness(1); }
}
.gate-day { margin: 14px 0 0; font-size: 16px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); }
.gate-day .where { color: var(--muted); }
.gate-side { display: flex; flex-direction: column; justify-content: center; }
.count { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; }
.count .u { display: flex; align-items: baseline; gap: 4px; }
.count b { font-size: 46px; font-weight: 800; color: var(--text); letter-spacing: 0.02em; }
.count small { font-size: 14px; color: var(--muted); text-transform: uppercase; }
.count.closed b { color: var(--red); }
.read-as { margin: 18px 0 0; font-size: 13px; color: var(--muted); }
.label-inline { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; margin-right: 6px; }
#readAs { color: var(--text); }

/* DST trap */
.trap {
  margin-top: 14px;
  display: flex; gap: 14px; align-items: flex-start;
  background: linear-gradient(90deg, rgba(255, 176, 0, 0.16), rgba(255, 176, 0, 0.05));
  border: 1px solid rgba(255, 176, 0, 0.5);
  border-radius: 14px;
  padding: 14px 18px;
  animation: rise 0.5s ease-out;
}
.trap svg { flex: 0 0 26px; width: 26px; height: 26px; fill: var(--amber); }
.trap svg .cut { stroke: var(--bg); stroke-width: 2.2; stroke-linecap: round; fill: none; }
.trap p { margin: 0; line-height: 1.5; font-size: 15px; }
.trap strong { color: var(--amber); }
.note {
  margin-top: 10px; font-size: 13px; color: var(--muted);
  border-left: 3px solid var(--grey); padding: 4px 0 4px 12px;
}
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Departures */
.departures {
  margin-top: 22px;
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 0 8px;
}
.dep-head { display: flex; justify-content: space-between; align-items: baseline; padding: 0 28px; gap: 12px; flex-wrap: wrap; }
.legend { font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.legend .dot { margin-left: 8px; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); font-weight: 700; padding: 10px 28px 8px;
  border-bottom: 1px solid var(--line);
}
td { padding: 15px 28px; border-bottom: 1px solid rgba(255, 255, 255, 0.04); font-size: 16px; }
tbody tr:last-child td { border-bottom: none; }
td.t { font-family: var(--mono); font-weight: 800; font-size: 26px; color: var(--amber); width: 140px; letter-spacing: 0.03em; }
td.t .d { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px; }
td.s { font-family: var(--mono); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; font-size: 15px; }
td.k { font-family: var(--mono); color: var(--muted); font-size: 14px; width: 110px; }
td.st { width: 170px; }
tr.next td { background: rgba(255, 176, 0, 0.06); }
tr.next td.s::after { content: 'NEXT'; margin-left: 10px; font-size: 10px; letter-spacing: 0.16em; color: var(--bg); background: var(--amber); padding: 2px 6px; border-radius: 4px; vertical-align: middle; }
tr.departed td.t, tr.departed td.s { color: var(--grey); text-decoration: line-through; text-decoration-thickness: 2px; }
tr.gate-row td.t { color: var(--red); }
tr.milestone td.s { color: var(--muted); }
.flipped { animation: flipRow 0.45s ease-out; }
@keyframes flipRow { 0% { transform: perspective(400px) rotateX(-75deg); opacity: 0.2; } 100% { transform: none; opacity: 1; } }

.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-weight: 700; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 6px; background: var(--panel);
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: currentColor; }
.status.on-time, .dot.on-time { color: var(--green); }
.status.boarding, .dot.boarding { color: var(--amber); }
.status.boarding .dot { animation: blink 1.2s steps(2, start) infinite; }
.status.final-call, .dot.final-call { color: var(--red); }
.status.final-call { background: rgba(255, 77, 77, 0.12); animation: pulse 1.4s ease-in-out infinite; }
.status.departed { color: var(--grey); }
.status.open { color: var(--green); }
.status.closed { color: var(--red); background: rgba(255, 77, 77, 0.12); }
@keyframes blink { to { visibility: hidden; } }
@keyframes pulse { 50% { box-shadow: 0 0 0 4px rgba(255, 77, 77, 0.18); } }

/* Settings */
.settings { margin-top: 22px; padding: 0 4px; }
.set-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 18px 28px; align-items: start; }
.set-item { display: flex; flex-direction: column; gap: 10px; }
.set-name { font-size: 13px; color: var(--muted); }
.seg { display: inline-flex; background: var(--board); border: 1px solid var(--line); border-radius: 10px; padding: 3px; width: max-content; }
.seg button {
  background: none; border: 0; padding: 7px 14px; border-radius: 7px; cursor: pointer;
  font-family: var(--mono); font-size: 13px; color: var(--muted);
}
.seg button[aria-pressed='true'] { background: var(--amber); color: #111; font-weight: 700; }
.durations { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
.dur { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--board); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px 8px 14px; }
.dur span { font-size: 13px; color: var(--text); }
.stepper { display: flex; align-items: center; gap: 6px; }
.stepper button {
  width: 28px; height: 28px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel);
  cursor: pointer; font-family: var(--mono); font-size: 15px; line-height: 1;
}
.stepper button:hover { border-color: var(--amber); color: var(--amber); }
.stepper output { font-family: var(--mono); font-size: 13px; width: 56px; text-align: center; color: var(--amber); }

.foot { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.link { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; padding: 0; font-size: 12px; }
.link:hover { color: var(--amber); }

@media (max-width: 760px) {
  .board { padding: 20px 16px 32px; }
  .top { flex-direction: column; align-items: flex-start; }
  .now { align-items: flex-start; }
  .gate { grid-template-columns: 1fr; padding: 20px; }
  .flap { width: 54px; height: 76px; font-size: 54px; }
  .flap.sep { width: 18px; font-size: 46px; }
  .count b { font-size: 34px; }
  th, td { padding-left: 14px; padding-right: 14px; }
  .dep-head { padding: 0 14px; }
  td.t { font-size: 20px; width: 92px; }
  td.k { display: none; }
  th:nth-child(3) { display: none; }
  td.st { width: auto; }
  .set-grid, .durations { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Build time left */
.build-left { margin: 14px 0 0; font-size: 15px; color: var(--text); }
.build-left b { font-family: var(--mono); color: var(--green); font-weight: 700; }
.build-left.late b { color: var(--red); }
.build-left .muted { color: var(--muted); }

/* Runway timeline */
.runway { margin-top: 14px; padding: 30px 28px 12px; background: var(--board); border: 1px solid var(--line); border-radius: 18px; }
.track { position: relative; height: 34px; border-radius: 8px; background: var(--panel); overflow: visible; }
.seg-bar { position: absolute; top: 0; bottom: 0; border-right: 2px solid var(--bg); display: flex; align-items: center; padding-left: 8px; overflow: hidden;
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(0, 0, 0, 0.78); white-space: nowrap; }
.seg-bar.build { background: linear-gradient(90deg, rgba(61, 220, 132, 0.25), rgba(61, 220, 132, 0.55)); color: #c8f5db; border-radius: 8px 0 0 8px; }
.seg-bar.record { background: #ffb000; }
.seg-bar.upload { background: #ffc94d; }
.seg-bar.write { background: #ffd977; }
.seg-bar.submit { background: #ffe7a6; }
.seg-bar.buffer { background: repeating-linear-gradient(135deg, rgba(255, 77, 77, 0.55) 0 6px, rgba(255, 77, 77, 0.25) 6px 12px); color: #ffd6d6; border-radius: 0 8px 8px 0; border-right: 0; }
.seg-bar.past { filter: grayscale(1) brightness(0.45); }
.plane { position: absolute; top: -12px; width: 2px; bottom: -6px; background: var(--text); transition: left 1s linear; }
.plane svg { position: absolute; top: -16px; left: -11px; width: 24px; height: 24px; fill: var(--text); }
.plane span { position: absolute; top: -14px; left: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--text); }
.ticks { position: relative; height: 34px; margin-top: 8px; font-size: 11px; color: var(--muted); }
.ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.ticks span:last-child { transform: translateX(-100%); color: var(--red); font-weight: 700; }

/* Departures tools */
.dep-tools { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ghost { display: inline-flex; align-items: center; gap: 8px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.ghost svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.ghost:hover { border-color: var(--amber); color: var(--amber); }
td.k { white-space: nowrap; }

@media (max-width: 760px) {
  .runway { padding: 16px 14px 10px; }
  .seg-bar { font-size: 0; padding: 0; }
}

/* Around the world */
.world { margin-top: 14px; }
.world .label { margin-bottom: 8px; }
.cities { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.city { background: var(--board); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.city b { display: block; font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: 0.03em; }
.city span { display: block; font-size: 11px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 2px; }
.city.here { border-color: rgba(255, 176, 0, 0.55); }
.city.here b { color: var(--amber); }
.city.night b { color: #9fa8ff; }
.city.night span::after { content: ' · night'; color: #9fa8ff; }

/* Extras */
.extras { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.extra { background: var(--board); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.extra p { color: var(--muted); font-size: 14px; line-height: 1.5; margin: 0 0 14px; }
.bookmarklet {
  display: inline-block; background: var(--amber); color: #111; font-weight: 800; font-size: 13px; letter-spacing: 0.04em;
  text-decoration: none; padding: 9px 14px; border-radius: 8px; cursor: grab; box-shadow: 0 6px 18px rgba(255, 176, 0, 0.18);
}
.bookmarklet:active { cursor: grabbing; }
#shareBtn.done { border-color: var(--green); color: var(--green); }

@media (max-width: 760px) {
  .cities { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .extras { grid-template-columns: 1fr; }
}

/* Demo recording cue (only with ?demo=1) */
#demoCue {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 10;
  background: rgba(8, 8, 10, 0.92); color: var(--amber); border: 1px solid rgba(255, 176, 0, 0.6);
  font-family: var(--mono); font-weight: 700; font-size: 20px; letter-spacing: 0.04em;
  padding: 12px 22px; border-radius: 12px; opacity: 0; pointer-events: none;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}
#demoCue.show { opacity: 1; animation: cueIn 0.35s ease-out; white-space: nowrap; }
html.demo { zoom: 1.6; }
@keyframes cueIn { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }