:root{
  --bg:#f4f6fa; --panel:#ffffff; --panel-2:#f8fafc; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --line-strong:#cbd5e1; --accent:#2563eb; --accent-ink:#ffffff;
  --accent-soft:#eff4ff; --good:#047857; --warn:#b45309; --bad:#b91c1c;
  --shadow:0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220; --panel:#131c2e; --panel-2:#0f172a; --ink:#e7ecf5; --muted:#93a3b8;
    --line:#26324a; --line-strong:#3a4966; --accent:#4f8cff; --accent-ink:#07101f;
    --accent-soft:#182644; --good:#34d399; --warn:#fbbf24; --bad:#f87171;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased; padding:0 0 64px;
}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
header{padding:44px 0 26px;text-align:center}
h1{margin:0 0 8px;font-size:clamp(26px,5vw,36px);letter-spacing:-.02em;font-weight:700}
h1 .plane{display:inline-block;transform:translateY(1px)}
.sub{margin:0;color:var(--muted);font-size:15.5px}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.field{margin-bottom:18px}
.field:last-child{margin-bottom:0}
label{display:block;font-weight:600;font-size:13.5px;letter-spacing:.01em;margin-bottom:7px}
.hint{font-weight:400;color:var(--muted);font-size:12.5px;margin-left:6px}
.row{display:flex;gap:8px;align-items:stretch}
.combo{position:relative;flex:1;min-width:0}
input[type=text]{
  width:100%;padding:12px 14px;font-size:16px;color:var(--ink);background:var(--panel-2);
  border:1px solid var(--line-strong);border-radius:10px;outline:none;font-family:inherit;
}
input[type=text]::placeholder{color:var(--muted)}
input[type=text]:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.clear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:transparent;
  color:var(--muted);font-size:19px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:6px;display:none;
}
.clear:hover{color:var(--ink);background:var(--line)}
.combo.has-value .clear{display:block}
.combo.has-value input[type=text]{padding-right:36px}

.geo{
  flex:0 0 auto;width:46px;display:grid;place-items:center;cursor:pointer;
  background:var(--panel-2);border:1px solid var(--line-strong);border-radius:10px;color:var(--accent);
}
.geo:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}
.geo:disabled{opacity:.45;cursor:not-allowed;color:var(--muted)}
.geo svg{width:19px;height:19px;display:block}
.geo.busy svg{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.list{
  position:absolute;z-index:900;left:0;right:0;top:calc(100% + 6px);max-height:320px;overflow:auto;
  background:var(--panel);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--shadow);
  padding:6px;display:none;
}
.list.open{display:block}
.opt{padding:9px 11px;border-radius:8px;cursor:pointer;display:flex;gap:11px;align-items:baseline}
.opt[aria-selected=true]{background:var(--accent-soft)}
.opt .code{font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.03em;min-width:38px;color:var(--accent)}
.opt .txt{min-width:0;flex:1}
.opt .nm{display:block;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.opt .loc{display:block;font-size:12.5px;color:var(--muted)}
.opt .dist{font-size:12px;color:var(--muted);white-space:nowrap}
.empty{padding:14px 12px;color:var(--muted);font-size:14px}
.grouphdr{padding:8px 11px 4px;font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}

.go{
  margin-top:20px;width:100%;padding:14px 18px;font-size:16px;font-weight:650;font-family:inherit;
  background:var(--accent);color:var(--accent-ink);border:0;border-radius:11px;cursor:pointer;
}
.go:hover:not(:disabled){filter:brightness(1.07)}
.go:disabled{opacity:.55;cursor:not-allowed}

.msg{margin-top:14px;padding:11px 13px;border-radius:10px;font-size:14px;display:none}
.msg.show{display:block}
.msg.err{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);border:1px solid color-mix(in srgb,var(--bad) 30%,transparent)}
.msg.info{background:var(--accent-soft);color:var(--ink);border:1px solid var(--line-strong)}

#result{margin-top:22px;display:none}
#result.show{display:block}
.result-top{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between}
.big{font-size:clamp(36px,9vw,52px);font-weight:700;letter-spacing:-.03em;line-height:1}
.big small{font-size:.42em;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.route-line{color:var(--muted);font-size:14px;margin-top:8px}
.route-line b{color:var(--ink);font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-top:20px}
.stat{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:11px 13px}
.stat .k{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.stat .v{font-size:17.5px;font-weight:650;margin-top:3px;font-variant-numeric:tabular-nums;line-height:1.25}
.stat .sub{font-size:11.5px;color:var(--muted);margin-top:3px}
#map{height:300px;margin-top:20px;border-radius:11px;border:1px solid var(--line);background:var(--panel-2)}
.leaflet-container{border-radius:11px;font:inherit}
.disclaimer{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.55}
footer{margin-top:26px;text-align:center;font-size:12.5px;color:var(--muted);line-height:1.7}
footer a{color:var(--muted)}
.skeleton{opacity:.55}

/* ── content / SEO sections ─────────────────────────────────────────── */
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-ink);
  padding:10px 16px;border-radius:0 0 8px 0;z-index:2000;text-decoration:none}
.skip:focus{left:0}
.prose{margin-top:22px}
.prose h2{font-size:21px;letter-spacing:-.015em;margin:0 0 12px}
.prose h3{font-size:16px;margin:20px 0 6px}
.prose p{margin:0 0 12px;font-size:15px;color:var(--ink)}
.prose p.lede{color:var(--muted)}
.prose ul,.prose ol{margin:0 0 12px;padding-left:22px;font-size:15px}
.prose li{margin-bottom:6px}
.prose a{color:var(--accent)}
/* Numbered steps.
   Written as .prose ol.steps so it beats the `.prose ol{padding-left:22px}`
   rule above it, and as block+flex rather than grid: a single-column grid
   track sizes to max-content, which stopped the rows shrinking on phones. */
.prose ol.steps{list-style:none;counter-reset:s;padding-left:0;margin:0;display:block}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;font-size:15px;
  min-width:0;margin-bottom:12px}
.steps li:last-child{margin-bottom:0}
.steps li::before{content:counter(s);flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:13px;
  display:grid;place-items:center;margin-top:1px}
/* the text must be a real element, not an anonymous flex item, so it can shrink */
.steps li .s-txt{flex:1 1 auto;min-width:0;overflow-wrap:break-word}
details.faq{border-top:1px solid var(--line);padding:2px 0}
details.faq:first-of-type{border-top:0}
details.faq summary{cursor:pointer;padding:12px 0;font-weight:600;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--muted);font-weight:400;font-size:20px;line-height:1}
details.faq[open] summary::after{content:"−"}
details.faq .a{padding:0 0 14px;font-size:14.5px;color:var(--muted);line-height:1.65}
details.faq .a p{font-size:14.5px;color:var(--muted);margin:0 0 10px}
details.faq .a p:last-child{margin-bottom:0}
.dir-state{margin:0 0 16px;break-inside:avoid}
.dir-state h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  margin:0 0 7px;font-weight:700}
.dir-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.dir-list a{display:inline-block;font-size:13px;text-decoration:none;color:var(--ink);
  background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:4px 9px;line-height:1.35}
.dir-list a:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.dir-list a b{font-weight:700;color:var(--accent);letter-spacing:.02em}
.dir-toggle{margin-top:6px;background:var(--panel-2);border:1px solid var(--line-strong);color:var(--ink);
  font:inherit;font-size:14px;font-weight:600;padding:10px 16px;border-radius:9px;cursor:pointer;width:100%}
.dir-toggle:hover{border-color:var(--accent);color:var(--accent)}
#dirRest{display:none}
#dirRest.open{display:block}
.tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px}
@media (max-width:520px){
  .card{padding:18px}
  header{padding:30px 0 20px}
}

/* ── per-airport & state page additions ─────────────────────────────── */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px;opacity:.6}
header.page{padding:22px 0 26px;text-align:left}
header.page h1{font-size:clamp(24px,4.4vw,33px)}
header.page .sub{margin-top:10px;max-width:62ch}
.factgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:10px;margin-top:4px}
.fact{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:10px 13px}
.fact dt{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;margin:0}
.fact dd{margin:3px 0 0;font-size:15.5px;font-weight:600;font-variant-numeric:tabular-nums;word-break:break-word}
.fact dd a{font-weight:600}
table.dt{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 6px}
table.dt caption{text-align:left;color:var(--muted);font-size:13px;padding-bottom:9px}
table.dt th,table.dt td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
table.dt th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
table.dt td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.dt tr:last-child td{border-bottom:0}
table.dt tbody tr:hover{background:var(--panel-2)}
table.dt .go-link{white-space:nowrap;font-weight:600}
.near-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.near-list li{display:flex;gap:12px;align-items:baseline;justify-content:space-between;
  padding:9px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px}
.near-list .code{font-weight:700;color:var(--accent);min-width:38px;letter-spacing:.02em}
.near-list .who{flex:1;min-width:0;font-size:14.5px}
.near-list .who small{display:block;color:var(--muted);font-size:12.5px}
.near-list .num{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;white-space:nowrap}
.callout{background:var(--accent-soft);border:1px solid var(--line-strong);border-radius:10px;
  padding:12px 14px;font-size:14px;margin:0 0 14px}
.statecols{columns:2;column-gap:26px}
@media (max-width:620px){.statecols{columns:1}}
.pill-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.pill-row a{font-size:13px;text-decoration:none;color:var(--ink);background:var(--panel-2);
  border:1px solid var(--line);border-radius:20px;padding:5px 12px}
.pill-row a:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}


/* ── overflow safety net ────────────────────────────────────────────────── */
/* Long airport names, URLs and place names must wrap rather than widen the page. */
body{overflow-wrap:break-word}
img,svg,video,iframe{max-width:100%;height:auto}
.card,.prose,.wrap{min-width:0}
/* Wide data tables scroll inside their card instead of stretching it. */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 6px}
.table-scroll table.dt{margin-bottom:0}

@media (max-width:430px){
  .wrap{padding:0 14px}
  .card{padding:16px}
  h1{font-size:clamp(23px,6.4vw,30px)}
  .prose h2{font-size:19px}
  .steps li{font-size:14.5px;gap:10px}
  .steps li::before{flex-basis:23px;width:23px;height:23px;font-size:12px}
  table.dt th,table.dt td{padding:8px 7px;font-size:13.5px}
  .factgrid{grid-template-columns:repeat(auto-fit,minmax(132px,1fr))}
  .near-list li{flex-wrap:wrap;gap:4px 10px}
  .near-list .num{width:100%;text-align:left}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:360px){
  .stats{grid-template-columns:1fr}
}

/* Narrow phones: drop the secondary table columns and shorten the call to
   action so the tables fit without sideways scrolling. */
@media (max-width:520px){
  .t-dir{display:none}
  .go-link .lbl{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  /* keep the arrow a comfortable tap target once the label is hidden */
  .go-link{font-size:18px;display:inline-block;padding:6px 8px;margin:-6px -8px;line-height:1}
}
@media (max-width:430px){
  .t-size{display:none}
}

/* ── traffic badge ──────────────────────────────────────────────────────── */
.badge{display:none;margin-top:10px;font-size:13px;font-weight:600;padding:5px 11px;
  border-radius:20px;line-height:1.35}
.badge.show{display:inline-block}
.badge::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  margin-right:7px;vertical-align:1px;background:currentColor}
.badge.ok{background:color-mix(in srgb,var(--good) 13%,transparent);color:var(--good);
  border:1px solid color-mix(in srgb,var(--good) 32%,transparent)}
.badge.bad{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);
  border:1px solid color-mix(in srgb,var(--bad) 30%,transparent)}
.badge.warn{background:color-mix(in srgb,var(--warn) 13%,transparent);color:var(--warn);
  border:1px solid color-mix(in srgb,var(--warn) 32%,transparent)}