:root{color-scheme:light dark;--bg:#f7f7f3;--fg:#1c2528;--muted:#566166;--line:#cbd1ce;--panel:#fff;--accent:#075b68;--warn:#8b3f14}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 'IBM Plex Sans',Arial,sans-serif}a{color:var(--accent)}button,input{font:inherit}button{background:var(--accent);color:white;border:0;border-radius:3px;padding:11px 16px;cursor:pointer}button:disabled{opacity:.5;cursor:wait}button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}.wrap{max-width:1100px;margin:auto;padding:0 16px}header{border-bottom:1px solid var(--line);padding:22px 0 28px}.back,.eyebrow,.note,.meta,footer{font-size:14px}.eyebrow{font-weight:700;letter-spacing:.08em;margin-top:25px;color:var(--accent)}h1{font-size:clamp(30px,5vw,52px);line-height:1.08;margin:9px 0}h2{font-size:22px;line-height:1.2;margin:0 0 14px}h3{font-size:18px;margin:0 0 10px}p{margin:8px 0 14px}.note,.meta{color:var(--muted)}main{padding-top:24px!important}form{display:grid;grid-template-columns:2fr 1fr 1fr auto auto;gap:10px;align-items:end;margin-bottom:18px}label{font-weight:600;font-size:14px}input{display:block;width:100%;min-width:0;margin-top:5px;padding:10px;border:1px solid var(--line);border-radius:3px;background:var(--panel);color:var(--fg)}#status{min-height:26px}#progress{width:100%;height:12px}#errors:not(:empty){border-left:3px solid var(--warn);padding:8px 12px;background:#fff2e9;color:#70300c;margin:10px 0}.panel{background:var(--panel);border:1px solid var(--line);padding:20px;margin:22px 0}.topline{display:flex;justify-content:space-between;align-items:center;gap:16px}.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.fact{border-top:1px solid var(--line);padding-top:8px}.fact b{display:block}.mono,time,code{font-family:'IBM Plex Mono',monospace;font-size:.9em}.flight{border-top:1px solid var(--line);padding:20px 0}.flight:first-child{border-top:0}.flight-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.route{font-size:22px;font-weight:700}.badge{display:inline-block;border:1px solid var(--line);border-radius:2px;padding:1px 5px;font-size:12px;font-weight:700}.observed{color:#176044}.inferred{color:var(--warn)}.small{font-size:14px}.provenance{background:var(--bg);padding:12px;margin-top:14px;overflow-wrap:anywhere}.provenance div{margin:5px 0}.source-row{border-top:1px solid var(--line);padding:6px 0}#map{height:420px;margin-top:18px;background:#e2e9e7}.flight-buttons{display:flex;gap:8px;margin-top:12px}ul{padding-left:22px}li{margin:5px 0}footer{padding-top:10px!important;padding-bottom:40px!important;color:var(--muted)}@media(max-width:760px){form{grid-template-columns:1fr 1fr}form label:first-child{grid-column:1/-1}form button{width:100%}.topline,.flight-head{display:block}.topline button{margin-top:10px}.panel{padding:15px}.facts{grid-template-columns:1fr 1fr}#map{height:320px}}@media(prefers-color-scheme:dark){:root{--bg:#141b1d;--fg:#edf2ef;--muted:#b7c5c6;--line:#415055;--panel:#202a2d;--accent:#8bd2d4;--warn:#ffb17b}button{color:#0e2023}#errors:not(:empty){background:#4c271e;color:#ffcfb7}.observed{color:#7fd6a6}}