/* Overbooked. Airport wayfinding look: signage yellow on charcoal, white panels.
   Layout: a narrow column like a phone app. The week's departures board opens the page; boarding
   folds it to today's row and reveals the game (flight strip, instruments, progress line, map). */
@font-face { font-family: "Big Shoulders Display"; font-weight: 600; font-display: swap; src: url("../fonts/big-shoulders-display-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Big Shoulders Display"; font-weight: 800; font-display: swap; src: url("../fonts/big-shoulders-display-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 400; font-display: swap; src: url("../fonts/public-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 600; font-display: swap; src: url("../fonts/public-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 700; font-display: swap; src: url("../fonts/public-sans-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); }

:root {
  --bg: #eceff1; --panel: #ffffff; --sea: #d6e2e9; --space: #e2e8ec; --land: #fbfbf9; --land-edge: #b2bfc7;
  --ink: #16191d; --muted: #59626b; --line: #d4d9dd;
  --accent: #ffc400;        /* signage yellow: fills, buttons, the logo */
  --accent-soft: #fff0b0; --accent-text: #8a6100; --on-accent: #16191d;
  --route: #1c5fb0;         /* flown routes on the light map */
  --head: #16191d;
  --good: #187a48; --warn: #9a6400; --bad: #c42f2a;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1114; --panel: #161a1f; --sea: #121e28; --space: #0a0d11; --land: #222a32; --land-edge: #36414c;
    --ink: #eef1f4; --muted: #9aa4ae; --line: #2a3139;
    --accent-soft: #3a310c; --accent-text: #ffcf33; --route: #ffc400;
    --good: #4cc38a; --warn: #ffc400; --bad: #ff6b5e; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.5; }
.wrap { max-width: 880px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px;
  padding-left: var(--gutter); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 18px max(40px, env(safe-area-inset-bottom, 0px)); }
h1, h2 { font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: .03em; margin: 0; text-wrap: balance; }
h2 { font-size: 1.5rem; margin-bottom: 6px; }
h3 { font-size: 1rem; margin: 0 0 4px; }
p { margin: 0 0 8px; }
a { color: var(--accent-text); }
.label { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- header: a charcoal bar with the yellow sign logo ---------- */
.site-head { background: var(--head); padding-top: env(safe-area-inset-top, 0px); }
.head-in { max-width: 880px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px max(16px, env(safe-area-inset-right, 0px)) 10px var(--gutter); }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.logo-sign { width: 38px; height: 38px; flex: none; border-radius: 7px; background: var(--accent); display: grid; place-items: center; }
.logo-sign svg { width: 30px; height: 30px; fill: #16191d; color: #16191d; }
.logo-word { font: 800 1.75rem/1 var(--display); letter-spacing: .07em; text-transform: uppercase; color: #ffffff; }
/* wordmark: OVER climbs away behind a small plane and its contrail; BOOKED stays on the runway */
.logo-word { display: inline-flex; align-items: flex-end; padding-top: .3em; }
.lw-trail { width: .95em; height: .52em; color: var(--accent); margin-right: .06em; align-self: center; position: relative; top: -.18em; }
.lw-over { display: inline-block; transform: translateY(-.16em) rotate(-7deg); transform-origin: left bottom; margin-right: -.03em; }
.lw-booked { color: var(--accent); }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tabs button { background: transparent; border: 1px solid transparent; color: #c8cfd5; padding: 8px 12px; font-size: .85rem; }
.tabs button[aria-pressed="true"] { background: var(--accent); color: #16191d; }
@media (hover: hover) and (pointer: fine) { .tabs button:not([aria-pressed="true"]):hover { color: #fff; border-color: #3a4048; } .acct-btn:hover { border-color: #fff; } }
.sm-only { display: none; }

/* ---------- start: board, then boarding ---------- */
.board-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.board-hint { color: var(--muted); font-size: .88rem; }
button.big { padding: 13px 22px; font-size: 1rem; }
button.link { background: none; border: 0; padding: 4px 0; color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }
.flights .board-top, .flights .bhead, .flights .brow { max-height: 64px; transition: max-height .45s ease, opacity .3s ease, padding .45s ease, margin .45s ease; overflow: hidden; }
.flights.collapsed .board-top, .flights.collapsed .bhead, .flights.collapsed .brow:not(.mine) { max-height: 0; opacity: 0; padding-block: 0; margin: 0; border-top-width: 0; }
.flights.collapsed .board { padding-block: 9px; }
.flights.collapsed .brow.mine { border-top-width: 0; }
.flights.intro .brow.mine { cursor: pointer; }
.flights.tappable { cursor: pointer; }
.flights.tappable .board { position: relative; padding-right: 34px; }
/* a chevron on the folded board: down to open the week, up to fold it */
.flights.tappable .board::after { content: ""; position: absolute; right: 14px; top: 50%; width: 8px; height: 8px; margin-top: -6px; border: solid var(--board-dim); border-width: 0 2px 2px 0; transform: rotate(45deg); transition: transform .3s; }
.flights.tappable:not(.collapsed) .board::after { top: 20px; margin-top: 0; transform: rotate(-135deg); }
.flights.tappable:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 10px; }
.board-tip { margin: 0; font-size: .85rem; font-weight: 600; color: var(--ink); background: var(--panel); border: 1px dashed var(--muted); border-radius: 6px; padding: 5px 10px; animation: tipin .4s ease-out .6s both; }
@keyframes tipin { from { opacity: 0; transform: translateY(-4px); } }
@media (hover: hover) and (pointer: fine) { .flights.intro .brow.mine:hover { background: rgb(255 196 0 / .14); } }

.steps { list-style: none; margin: 4px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.steps li { display: flex; gap: 10px; align-items: flex-start; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: .88rem; }
.steps li > b { flex: none; width: 24px; height: 24px; border-radius: 5px; background: var(--accent); color: #16191d; display: grid; place-items: center; font: 800 .95rem var(--display); }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }

/* ---------- the board button: an airport sign ---------- */
.board-btn { display: inline-flex; align-items: stretch; padding: 0; border: 0; border-radius: 8px; overflow: hidden; background: var(--accent); color: #16191d; text-align: left; box-shadow: 0 2px 0 #c99a00; }
.bb-icon { background: #16191d; display: grid; place-items: center; padding: 0 14px; }
.bb-icon svg { width: 30px; height: 30px; fill: var(--accent); }
.bb-text { display: grid; padding: 9px 16px 9px 14px; }
.bb-text b { font: 800 1.45rem/1 var(--display); letter-spacing: .07em; text-transform: uppercase; }
.bb-text small { font: 700 .66rem var(--body); letter-spacing: .12em; text-transform: uppercase; opacity: .75; margin-top: 3px; }
.bb-arrow { display: grid; place-items: center; padding: 0 16px; font: 800 1.6rem/1 var(--body); border-left: 2px solid rgb(22 25 29 / .18); }
@media (hover: hover) and (pointer: fine) { .board-btn:hover .bb-arrow { transform: translateX(3px); } }
.bb-arrow { transition: transform .15s; }

/* ---------- round heading (top of the game panel) ---------- */
.roundbar { padding: 12px 18px 11px; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.rb-top { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; }
.rb-top b { font: 800 1.5rem/1.05 var(--display); letter-spacing: .05em; text-transform: uppercase; }
.rb-top span:not(.chip) { font: 600 .72rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.rb-about { margin: 0; font-size: .82rem; color: var(--muted); }
.rb-cond { color: var(--accent-text); font-weight: 700; }
/* stopover status: a sign that's yellow until done, then green */
.rb-cond.todo, .rb-cond.done { display: inline-block; margin-top: 4px; padding: 2px 8px; border-radius: 5px; font: 700 .72rem var(--body); letter-spacing: .08em; text-transform: uppercase; }
.rb-cond.todo { background: var(--accent); color: #16191d; }
.rb-cond.done { background: var(--good); color: #fff; }
.rb-cond.conts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.rb-cond.conts .ct { font: 700 .7rem var(--body); font-style: normal; letter-spacing: .06em; text-transform: uppercase; padding: 2px 7px; border-radius: 5px; border: 1.5px dashed var(--muted); color: var(--muted); }
.rb-cond.conts .ct.done { border: 1.5px solid #1b8150; background: #1b8150; color: #fff; }

/* the briefing card before the first flight on a special day */
/* the pre-round briefing (a dialog) */
.brief-dialog { width: min(460px, calc(100vw - 32px)); padding: 18px 20px 16px; }
.brief-dialog h2 { margin: 2px 0 0; font: 800 1.5rem/1.05 var(--display); letter-spacing: .04em; text-transform: uppercase; }
.brief-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; align-items: center; }
.brief-sign { width: 44px; height: 44px; border-radius: 9px; background: #16191d; color: var(--accent); display: grid; place-items: center; font: 800 1.4rem/1 var(--body); }
.brief-meta { margin: 12px 0 6px; font-size: .95rem; }
.brief-meta b { font-family: var(--mono); }
#brief-about { margin: 0 0 12px; font-size: .9rem; color: var(--muted); }
.brief-rule { border-left: 4px solid var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 9px 12px; border-radius: 0 8px 8px 0; margin-bottom: 14px; }
.brief-rule b { font: 800 1rem/1.1 var(--display); letter-spacing: .05em; text-transform: uppercase; }
.brief-rule p { margin: 4px 0 0; font-size: .9rem; }
.brief-dialog form button { width: 100%; }
.rb-rules { margin-left: auto; padding: 4px 10px; font-size: .78rem; background: transparent; border: 1px solid var(--line); color: var(--muted); }
@media (hover: hover) and (pointer: fine) { .rb-rules:hover { color: var(--ink); border-color: var(--ink); } }
/* fold-out sections: stop by stop, and the score breakdown with the best route */
details.stops, details.more { border-top: 1px solid var(--line); }
details.stops > summary, details.more > summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 8px; padding: 10px 2px; font: 700 .72rem var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
details.stops > summary::-webkit-details-marker, details.more > summary::-webkit-details-marker { display: none; }
details.stops > summary::before, details.more > summary::before { content: ""; width: 7px; height: 7px; border: solid currentColor; border-width: 0 2px 2px 0; transform: rotate(-45deg); transition: transform .2s; margin-right: 2px; }
details[open].stops > summary::before, details[open].more > summary::before { transform: rotate(45deg); }
details.more { display: grid; gap: 10px; }
details.more[open] > .best { margin-top: 8px; }
details.more .breakdown { margin-bottom: 8px; }
.result-line { margin: -4px 0 0; font-size: .9rem; color: var(--muted); }

/* the "Via …" switch on stopover days: hard to miss */
.via-toggle { border: 2px solid var(--accent); border-radius: 8px; padding: 8px 12px; background: var(--accent-soft); font-weight: 700; cursor: pointer; }
.via-toggle:has(input:checked) { background: var(--accent); color: #16191d; }

/* the stopover hub on the map */
.hub-ring { fill: none; stroke: var(--accent); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.hub-pulse { fill: var(--accent); opacity: .35; transform-box: fill-box; transform-origin: center; animation: hubpulse 1.6s ease-out infinite; }
@keyframes hubpulse { from { transform: scale(.6); opacity: .55; } to { transform: scale(2.2); opacity: 0; } }
.hub-text { font-family: var(--body); font-weight: 800; letter-spacing: .08em; text-anchor: middle; fill: #16191d; paint-order: stroke; stroke: var(--accent); stroke-width: 4px; stroke-linejoin: round; }
.hubmark.done .hub-ring { stroke: var(--good); }
.hubmark.done .hub-pulse { display: none; }
.hubmark.done .hub-text { fill: #fff; stroke: var(--good); }

/* ---------- progress: one line, with a marker where each hop landed ---------- */
.track { position: relative; padding: 40px 18px 44px; border-bottom: 1px solid var(--line); }
/* points count up over the map when you reach a new band */
.pts-pop { position: absolute; left: 50%; bottom: 12px; transform: translate(-50%, 6px); display: flex; align-items: baseline; gap: 6px; padding: 4px 10px; border-radius: 6px; background: rgb(18 21 25 / .88); color: #f3f5f6; pointer-events: none; opacity: 0; transition: opacity .2s, transform .35s ease-out; z-index: 3; white-space: nowrap; }
.pts-pop.show { opacity: 1; transform: translate(-50%, 0); }
.pts-pop b { font: 600 1rem/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--board-good); }
.pts-pop span { font: 600 .62rem var(--body); letter-spacing: .1em; text-transform: uppercase; color: #c8cfd5; }
.track-bar { position: relative; height: 12px; }
.track-bar > i { position: absolute; top: 0; bottom: 0; }
.track-zones { position: absolute; inset: 0; }
/* the bands: striped grey scores nothing, yellow deepens through 100 / 350 / 700 / 1000, striped red is over */
.z { position: absolute; top: 0; bottom: 0; transition: left .45s ease, width .45s ease, top .2s, bottom .2s; box-shadow: inset -2px 0 0 var(--panel); }
.z0 { border-radius: 6px 0 0 6px; background: repeating-linear-gradient(135deg, var(--line) 0 5px, transparent 5px 10px); box-shadow: inset 0 0 0 1px var(--line), inset -2px 0 0 var(--panel); }
.z1 { background: color-mix(in srgb, var(--accent) 45%, #eceef0); }
.z2 { background: var(--accent); }
.z3 { background: color-mix(in srgb, var(--accent) 72%, #b06d00); }
.z4 { background: color-mix(in srgb, var(--accent) 45%, #b06d00); }
.zx { border-radius: 0 6px 6px 0; background: repeating-linear-gradient(135deg, var(--bad) 0 5px, transparent 5px 10px); opacity: .6; box-shadow: inset 0 0 0 1px var(--bad); }
.z.on { top: -1px; bottom: -1px; z-index: 1; border-radius: 2px; box-shadow: 0 0 0 1.5px var(--ink); }
.track-bar > .t-target { width: 3px; transition: left .45s ease; margin-left: -1.5px; top: -9px; bottom: -9px; background: var(--ink); border-radius: 2px; }
.track-bar > .t-flown { left: 0; height: 3px; top: 4.5px; bottom: auto; background: var(--ink); border-radius: 2px; opacity: .55; transition: width .2s; }
.track-marks { position: absolute; inset: 0; }
.mark { position: absolute; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--ink); border: 2px solid var(--panel); animation: drop .35s ease-out; transition: left .45s ease; z-index: 1; }
.mark.stop { background: var(--panel); border-color: var(--ink); }
.mark b { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); font: 700 .58rem var(--mono); letter-spacing: .04em; color: var(--ink); background: var(--panel); padding: 0 3px; border-radius: 3px; white-space: nowrap; }
.mark.low b { bottom: 24px; }
.mark.low::after { content: ""; position: absolute; left: 50%; bottom: 9px; width: 1px; height: 14px; background: var(--muted); opacity: .5; }
@keyframes drop { from { transform: scale(0); } }
.track-plane { position: absolute; top: -5px; left: 0; width: 22px; height: 22px; transform: translateX(-50%); transition: left .2s; z-index: 2; }
.track-plane svg { width: 22px; height: 22px; fill: var(--ink); stroke: var(--panel); stroke-width: 1.6; paint-order: stroke; }
.track.bust .track-plane svg { fill: var(--bad); }
.track-labels { position: relative; height: 0; }
.track-labels span { position: absolute; top: 12px; transform: translateX(-50%); display: grid; justify-items: center; line-height: 1.1; white-space: nowrap; transition: left .45s ease; }
.track-labels b { font: 700 .74rem var(--mono); color: var(--ink); }
.track-labels small { font: 600 .58rem var(--mono); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.track-labels span:not(.hit):not(.tl-target) b { color: var(--muted); }
.track-labels .hit b { color: var(--good); }
.track-labels .tl-target small { color: var(--ink); font-weight: 700; }
.track-labels .cur small { color: var(--ink); font-weight: 700; background: var(--panel); padding: 0 3px; border-radius: 3px; }
.track-fog { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; background: var(--panel); font: 700 .7rem var(--body); letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
  background-image: radial-gradient(circle at 20% 60%, var(--line) 0 16px, transparent 17px), radial-gradient(circle at 40% 45%, var(--line) 0 20px, transparent 21px), radial-gradient(circle at 62% 58%, var(--line) 0 18px, transparent 19px), radial-gradient(circle at 82% 46%, var(--line) 0 14px, transparent 15px); }
.track.fog .track-fog { display: flex; }

/* ---------- split-flap departure board (deliberately dark in both themes, like the real thing) ---------- */
:root { --board: #121519; --board-edge: #000; --board-tile: #182027; --board-ink: #ffcb3d; --board-dim: #8b98a2; --board-good: #5fe39a; --board-bad: #ff6b5e; }
.board { background: var(--board); border: 1px solid var(--board-edge); border-radius: 10px; padding: 12px 14px 14px; box-shadow: inset 0 1px 0 rgb(255 255 255 / .05); color: var(--board-ink); }
.board-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 14px; margin-bottom: 8px; }
.board-title { font: 800 1.35rem/1 var(--display); letter-spacing: .08em; text-transform: uppercase; color: #f3f5f6; }
.board-note { font: 600 .72rem var(--mono); letter-spacing: .06em; color: var(--board-dim); }
.board-scroll { overflow-x: auto; }
.brow { display: flex; gap: 12px; padding: 4px 0; border-top: 1px solid #1a242b; width: max-content; min-width: 100%; }
.brow.bhead { border-top: 0; padding-top: 0; }
.brow.mine { background: rgb(255 203 61 / .07); }
.bcell { flex: none; font: 600 15px/1 var(--mono); width: calc(var(--w) * (1.05em + 2px)); white-space: nowrap; }
.bhead .bcell span { font: 700 10px var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--board-dim); }
.bhead .bcell.right { text-align: right; }
.flap { display: inline-block; width: 1.05em; margin-right: 2px; text-align: center; background: var(--board-tile); border-radius: 2px; line-height: 1.5; position: relative; color: var(--board-ink); }
.flap::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgb(0 0 0 / .65); }
.flap.flip { animation: flapflip 55ms linear; }
@keyframes flapflip { from { transform: scaleY(.55); } to { transform: scaleY(1); } }
.tone-good .flap { color: var(--board-good); }
.tone-bad .flap { color: var(--board-bad); }
.tone-dim .flap { color: var(--board-dim); }
.tone-gold .flap { color: #ffcb3d; } .tone-silver .flap { color: #d6dde3; } .tone-bronze .flap { color: #e3a06b; }
.tone-blink .flap { animation: blink 1.4s steps(2, jump-none) infinite; }
@keyframes blink { 50% { opacity: .35; } }
.board-empty { padding: 8px 0; font: 600 .8rem var(--mono); color: var(--board-dim); }

.practice { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }

/* ---------- game panel ---------- */
.deck { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
/* instruments: a dark cockpit strip in both themes, like the departure board */
.instruments { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(90px, auto) minmax(0, 1fr); background: var(--board); color: #eef2f4; }
.inst { position: relative; padding: 12px 18px 13px; display: grid; gap: 2px; align-content: start; min-width: 0; }
.inst-total { text-align: right; justify-items: end; }
.inst-label { font: 700 .62rem var(--body); letter-spacing: .16em; text-transform: uppercase; color: var(--board-dim); }
.inst-value { font: 600 clamp(1.35rem, 4.2vw, 2.1rem)/1.1 var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; color: #f3f5f6; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.inst-togo .inst-value { color: var(--board-ink); }
.inst-togo .inst-value.bust { color: var(--board-bad); }
/* the jet bridge between the two numbers, and the passengers walking across it */
.bridge { display: grid; place-items: center; }
/* the passengers' layer: the black gap between the two numbers (the hops count stays in the middle) */
.walkway { position: absolute; top: 0; bottom: 0; left: 31%; right: 31%; overflow: hidden; pointer-events: none; z-index: 1; }
/* hops left, in the middle; passengers walk through it and it flips down as they pass */
.gate { position: relative; z-index: 2; display: grid; justify-items: center; line-height: 1; pointer-events: none; }
.gate b { font: 700 2.1rem/1 var(--mono); color: #f3f5f6; text-shadow: 0 0 6px var(--board), 0 0 2px var(--board); }
.gate b.tick { animation: tick .45s ease-out; }
@keyframes tick { 0% { transform: rotateX(90deg); opacity: .2; } 100% { transform: none; opacity: 1; } }
.gate span { margin-top: 4px; font: 700 .6rem var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--board-dim); white-space: nowrap; }
.walker { position: absolute; left: 0; top: 50%; z-index: 1; width: 10px; height: 16px; margin-top: -8px; animation: walk var(--walk, 1.5s) linear both; }
.walker svg { width: 10px; height: 16px; fill: var(--board-ink); }
@keyframes walk { 0% { transform: translateX(-12px); opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { transform: translateX(var(--bridge-w, 140px)); opacity: 0; } }
.walker svg { animation: bob .28s ease-in-out infinite alternate; }
@keyframes bob { to { transform: translateY(-2px); } }
/* "+143.7m" pops up above the on-board number */
.plus { position: absolute; right: 18px; top: 9px; min-width: 7.5em; text-align: right; background: var(--board); font: 700 .85rem var(--mono); color: var(--board-good); opacity: 0; pointer-events: none; white-space: nowrap; z-index: 2; }
.plus.pop { animation: plus 1.8s ease-out; }
@keyframes plus { 0% { opacity: 0; transform: translateY(6px); } 18% { opacity: 1; transform: none; } 78% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(-6px); } }
.inst-sub { font-size: .9rem; color: var(--board-dim); }
.inst-sub b { font: 700 1.08rem var(--mono); font-variant-numeric: tabular-nums; color: #f3f5f6; }
.chip { display: inline-block; font: 700 .58rem var(--body); letter-spacing: .12em; text-transform: uppercase; padding: 1px 6px; border-radius: 4px; background: var(--board-ink); color: #1c1204; vertical-align: 1px; margin-left: 6px; }

.mapbox { position: relative; border-block: 1px solid var(--line); }
.mapbox svg { display: block; width: 100%; height: auto; aspect-ratio: 1000 / 520; max-width: 100%; }
.mapbox svg:not([hidden]) { animation: mapfade .35s ease-out; }
@keyframes mapfade { from { opacity: 0; } }
svg.flat { background: var(--sea); }
svg.globe { background: var(--space); }
.globe-sea { fill: var(--sea); stroke: var(--land-edge); stroke-width: .8; }
.grat { fill: none; stroke: var(--land-edge); stroke-width: .5; opacity: .35; }
.land path { fill: var(--land); stroke: var(--land-edge); stroke-width: .5; vector-effect: non-scaling-stroke; transition: fill .4s; }
.land path.visited { fill: var(--accent-soft); stroke: var(--accent-text); }
.land path.na { opacity: .55; }
.dots circle { fill: var(--land); stroke: var(--land-edge); vector-effect: non-scaling-stroke; }
.dots circle.visited { fill: var(--accent); stroke: var(--accent); }
.routes path { fill: none; stroke: var(--route); stroke-width: 2; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.routes path.done { stroke-dasharray: 2 5 !important; stroke-dashoffset: 0 !important; }
.labels text { font-family: var(--body); font-weight: 700; fill: var(--ink); paint-order: stroke; stroke: var(--panel); stroke-width: 3px; stroke-linejoin: round; text-anchor: middle; }
.labels text tspan.p { font-family: var(--mono); font-weight: 600; fill: var(--accent-text); }
.plane path { fill: var(--ink); stroke: var(--panel); stroke-width: .8; vector-effect: non-scaling-stroke; }
.toast { position: absolute; left: 50%; top: 10px; transform: translateX(-50%); background: rgb(18 21 25 / .82); color: #f3f5f6; font: 500 .78rem var(--mono); padding: 4px 9px; border-radius: 5px; opacity: 0; transition: opacity .25s; pointer-events: none; white-space: nowrap; max-width: calc(100% - 20px); overflow: hidden; text-overflow: ellipsis; }
.toast.show { opacity: 1; }

.controls { padding: 14px 18px 18px; display: grid; gap: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.field { display: grid; gap: 4px; flex: 1 1 220px; min-width: 0; }
.field.select { flex: 0 1 280px; }
input, select { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 9px 11px; width: 100%; }
input[type="checkbox"] { width: 18px; height: 18px; padding: 0; accent-color: var(--accent-text); flex: none; }
.check { display: flex; gap: 8px; align-items: center; padding-block: 9px; font-size: .9rem; }
.check small { color: var(--muted); }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
button { font: 700 .9rem var(--body); border-radius: 6px; padding: 10px 16px; cursor: pointer; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
/* Land and score: shows what landing now would score, and goes green once that's worth having */
#land-btn:not(:disabled) { border: 2px solid var(--ink); }
#land-btn.ready:not(:disabled) { background: #1b8150; border-color: #1b8150; color: #fff; }
.land-hint { margin: 8px 0 0; font-size: .85rem; color: var(--muted); }
/* signing in: header button, start-screen line, result-card nudge */
.acct-btn { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; font-size: .82rem; background: transparent; color: #fff; border: 1px solid #5a626c; white-space: nowrap; }
.acct-btn .acct-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.acct-btn.in .acct-dot { background: #4cc38a; }
.signin-hint { flex-basis: 100%; margin: 0; font-size: .88rem; color: var(--muted); }
.signin-nudge { margin: 12px 0 0; padding: 10px 12px; border-left: 4px solid var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); font-size: .9rem; }
button:disabled { opacity: .45; cursor: not-allowed; }
.msg { min-height: 1.5em; font-size: .9rem; color: var(--muted); margin: 0; }
.msg.err { color: var(--bad); }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 14px; display: grid; gap: 10px; background: var(--bg); }
.result-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.result-head .band { font-family: var(--display); font-weight: 800; font-size: 2rem; text-transform: uppercase; line-height: 1; }
.band.good { color: var(--good); } .band.warn { color: var(--warn); } .band.bad { color: var(--bad); }
.result-head .score { font: 600 1.4rem var(--mono); color: var(--accent-text); }
.breakdown { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; font-size: .9rem; max-width: 460px; }
.breakdown .num { text-align: right; }
.breakdown s { color: var(--bad); }
/* ---------- leagues tab ---------- */
.leagues-view { display: grid; gap: 14px; }
.lv-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px 16px; display: grid; gap: 8px; }
.lv-card h3 { font: 800 1.3rem/1 var(--display); letter-spacing: .05em; text-transform: uppercase; margin: 0; }
.muted { color: var(--muted); margin: 0; font-size: .9rem; }
.lv-nums { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.lv-nums div { display: grid; }
.lv-nums b { font: 600 1.5rem/1.1 var(--mono); }
.lv-nums span { font: 700 .62rem var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.lv-bands { display: grid; gap: 4px; margin-top: 4px; }
.lv-band { display: grid; grid-template-columns: 7.5em 4.2em minmax(0, 1fr) 2.2em; align-items: center; gap: 8px; font-size: .82rem; }
.lv-band small { font: 600 .7rem var(--mono); color: var(--muted); }
.lv-band i { --c: var(--accent); height: 12px; border-radius: 0 4px 4px 0; background: linear-gradient(90deg, var(--c) var(--w), var(--line) var(--w)); }
/* grey, then yellow deepening towards Fully Booked (same as the progress line), red for Overbooked */
.lv-band.s0 i { --c: #9aa3ad; }
.lv-band.s1 i { --c: color-mix(in srgb, var(--accent) 45%, #eceef0); }
.lv-band.s2 i { --c: var(--accent); }
.lv-band.s3 i { --c: color-mix(in srgb, var(--accent) 75%, #b06d00); }
.lv-band.s4 i { --c: color-mix(in srgb, var(--accent) 50%, #b06d00); }
.lv-band.s4 span { font-weight: 800; }
.lv-band.bad { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.lv-band.bad i { --c: var(--bad); }
.lv-band.bad span { color: var(--bad); font-weight: 700; }
.lv-band b { font: 600 .8rem var(--mono); text-align: right; }
.lv-period { display: flex; flex-wrap: wrap; gap: 6px; }
.lv-period button { padding: 8px 12px; }
/* trophy shelf */
.lv-sub { margin: 6px 0 0; font: 700 .68rem var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.lv-medals { display: flex; gap: 18px; font-size: 1.2rem; }
.lv-medals b { font: 700 1.3rem var(--mono); margin-left: 2px; }
.lv-awards { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: .86rem; }
.lv-awards li { display: grid; grid-template-columns: 1.6em minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 4px 0; border-top: 1px solid var(--line); }
.lv-awards b { font: 600 .8rem var(--mono); }
.lv-badges { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.lv-badges li { display: grid; grid-template-columns: 2em minmax(0, 1fr); column-gap: 8px; align-items: center; padding: 8px 10px; border: 1px dashed var(--line); border-radius: 8px; color: var(--muted); }
.lv-badges .bi { grid-row: span 2; font-size: 1.5rem; filter: grayscale(1); opacity: .45; text-align: center; }
.lv-badges b { font-size: .84rem; }
.lv-badges small { font-size: .72rem; line-height: 1.25; }
.lv-badges li.got { border: 1px solid var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--ink); }
.lv-badges li.got .bi { filter: none; opacity: 1; }
.lv-badges li.got small { color: var(--good); font-weight: 700; }
.lv-period button[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.lv-tables { display: grid; gap: 14px; }
.lv-league-bar { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; font-size: .85rem; color: var(--muted); margin: -4px 2px 6px; }
.lv-code { font: 700 .95rem var(--mono); color: var(--ink); letter-spacing: .1em; }
.lv-confirm { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .9rem; }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }

/* the best route, shown after you land */
.best { border: 1px dashed var(--line); border-radius: 8px; padding: 10px 12px; display: grid; gap: 3px; }
.best.found { border: 1px solid var(--good); background: color-mix(in srgb, var(--good) 8%, transparent); }
.best.found .label { color: var(--good); }
.best p { margin: 0; }
.best-route { font-weight: 700; }
.best-route .arrow { color: var(--muted); font-weight: 400; }
.best-score { font-size: .88rem; }
.best-score b { color: var(--accent-text); }

/* the share preview: a printed slip from the departure board */
.slip { background: var(--board); border-radius: 8px; overflow: hidden; max-width: 460px; }
.slip-head { display: flex; justify-content: space-between; background: var(--accent); color: #16191d; padding: 5px 12px; font: 700 .62rem var(--body); letter-spacing: .16em; text-transform: uppercase; }
pre.share { margin: 0; padding: 12px 14px; font: 600 .9rem/1.6 var(--mono); color: var(--board-ink); white-space: pre-wrap; word-break: break-word; }

.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
td.n, th.n { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.bust { color: var(--bad); }
td .short { display: none; }
td small { color: var(--muted); }
/* effectiveness: a bar for each hop's share of the target, and the band the running total reached */
td .eff { display: flex; align-items: center; justify-content: flex-end; gap: 6px; margin-top: 6px; font-size: .68rem; color: var(--muted); }
td .eff i { display: block; width: 44px; height: 5px; border-radius: 3px; background: linear-gradient(90deg, var(--ink) var(--w), var(--line) var(--w)); opacity: .7; }
td .btag { display: inline-block; margin-top: 6px; padding: 3px 9px; border-radius: 6px; font-size: .7rem; font-weight: 700; line-height: 1.35; color: #16191d; }
td .btag.z0 { background: var(--line); color: var(--muted); }
td .btag.z1 { background: color-mix(in srgb, var(--accent) 45%, #eceef0); }
td .btag.z2 { background: var(--accent); }
td .btag.z3, td .btag.z4 { background: color-mix(in srgb, var(--accent) 55%, #b06d00); color: #fff; }
td .btag.zx { background: var(--bad); color: #fff; }
td.n > .btag { display: block; width: fit-content; margin-left: auto; }
.share-row { flex-wrap: nowrap; }
.share-row button { flex: 1 1 0; max-width: 200px; min-width: 0; padding-inline: 8px; white-space: nowrap; }


dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); max-width: min(560px, calc(100vw - 32px)); padding: 18px 20px; }
dialog::backdrop { background: rgb(0 0 0 / .45); }
.help-score { width: 100%; border-collapse: collapse; font-size: .88rem; margin: 2px 0 10px; }
.help-score th { font: 700 .62rem var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 0 6px 4px 0; }
.help-score td { padding: 5px 6px 5px 0; border-top: 1px solid var(--line); }
.help-score .n { text-align: right; font-family: var(--mono); font-weight: 700; padding-right: 0; }
.help-score td i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; background: var(--c, var(--line)); }
.help-score .s0 { --c: #9aa3ad; color: var(--muted); }
.help-score .s1 { --c: color-mix(in srgb, var(--accent) 45%, #eceef0); }
.help-score .s2 { --c: var(--accent); }
.help-score .s3 { --c: color-mix(in srgb, var(--accent) 75%, #b06d00); }
.help-score .s4 { --c: color-mix(in srgb, var(--accent) 50%, #b06d00); font-weight: 700; }
.help-score .bad { --c: var(--bad); color: var(--bad); }
.help-extra { font-size: .85rem; color: var(--muted); margin: 0 0 12px; }
dialog ol, dialog ul { padding-left: 1.2em; display: grid; gap: 5px; margin: 0 0 10px; }
footer { color: var(--muted); font-size: .8rem; border-top: 1px solid var(--line); padding-top: 12px; }
footer p { margin: 0 0 4px; }

@media (max-width: 640px) {
  .brief { grid-template-columns: auto minmax(0, 1fr); }
  .brief .primary { grid-column: 1 / -1; }
  .lv-nums { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .head-in { flex-wrap: wrap; row-gap: 8px; padding-bottom: 8px; }
  .tabs { width: 100%; order: 3; }
  .tabs button { flex: 1; padding: 7px 4px; }
  .tabs #help-btn { flex: 0 0 44px; }
  .c-hop { display: none; }
  td .bname { display: none; }
  th, td { padding-inline: 7px; }
  td .eff i { width: 28px; }
  td .full { display: none; } td .short { display: inline; }
  th, td { padding: 6px 6px; }
  .sm-hide { display: none; } .sm-only { display: inline; }
  .logo-word { font-size: 1.4rem; }
  .logo-sign { width: 32px; height: 32px; } .logo-sign svg { width: 24px; height: 24px; }
  .tabs button { padding: 7px 10px; font-size: .8rem; }
  .bcell.hide-sm { display: none; }
  .bcell { font-size: 10.5px; width: calc(var(--w) * (1em + 1px)); }
  .flap { width: 1em; margin-right: 1px; }
  .brow { gap: 8px; }
  .board { padding: 10px 10px 12px; }
  .flights.tappable .board { padding-right: 24px; }
  .flights.tappable .board::after { right: 9px; }
  .inst { padding: 10px 10px; }
  .instruments { grid-template-columns: minmax(0, 1fr) 52px minmax(0, 1fr); }
  .walkway { left: calc(50% - 26px); right: calc(50% - 26px); }
  .gate b { font-size: 1.5rem; }
  .gate span { font-size: .5rem; letter-spacing: .1em; white-space: normal; text-align: center; max-width: 44px; }
  .inst-value { font-size: 1.15rem; }
  .inst-value.long { font-size: 1rem; }
  .inst-sub { font-size: .74rem; }
  .inst-sub b { font-size: .8rem; color: #c8cfd5; }
  .plus { font-size: .72rem; right: 10px; top: 7px; min-width: 10em; }
  .board-btn { width: 100%; }
  .bb-text { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .mapbox svg:not([hidden]), .flap.flip, .tone-blink .flap, .deck.reveal, .hub-pulse { animation: none; } .track-plane, .t-flown, .bb-arrow { transition: none; } .mark, .plus.pop { animation: none; } }

/* text pages (privacy) */
.prose { max-width: 680px; }
.prose h3 { margin-top: 10px; }
.prose ul { padding-left: 1.2em; display: grid; gap: 6px; }