:root{--ink:#14202e;--muted:#5d6b7a;--line:#e3e8ee;--bg:#f6f8fb;--card:#fff;--brand:#1f4fa3;--brand-ink:#fff;--bad:#a12a2a;--ok:#1d6b3f;--soft:color-mix(in srgb,var(--brand) 9%,#fff);--shadow:0 1px 2px rgba(16,24,40,.06),0 4px 14px rgba(16,24,40,.06)}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
.top{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:12px 20px;justify-content:space-between;align-items:center;padding:12px max(16px,calc((100vw - 1080px)/2));background:var(--brand);color:var(--brand-ink);box-shadow:0 2px 10px rgba(0,0,0,.12)}
.top a,.top .link{color:var(--brand-ink);text-decoration:none;opacity:.92}
.top a:hover,.top .link:hover{opacity:1;text-decoration:underline}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;opacity:1!important}
.mark{display:inline-grid;place-items:center;min-width:32px;height:32px;padding:0 6px;border-radius:9px;background:#fff;color:var(--brand);font-weight:900}
nav{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-weight:500}
nav form{margin:0}
nav .button.small{min-height:36px;padding:6px 14px}
main{max-width:1080px;margin:0 auto;padding:24px 16px 56px;display:grid;gap:18px}
footer{max-width:1080px;margin:0 auto;padding:0 16px 32px;color:var(--muted);font-size:.85rem}
h1{margin:0 0 4px;font-size:1.7rem;letter-spacing:-.02em}
h2{margin:0 0 10px;font-size:1.12rem}
h3{margin:0;font-size:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.narrow{max-width:440px;margin:40px auto;width:100%}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}
.split{display:grid;gap:18px;grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.stack{display:grid;gap:8px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.spread{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
label{font-weight:600;font-size:.88rem}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;width:100%;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 35%,transparent);outline-offset:1px}
button,.button{font:inherit;font-weight:650;padding:10px 16px;border-radius:10px;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px}
button:hover,.button:hover{filter:brightness(1.07)}
button:disabled{opacity:.55;cursor:default}
button.secondary,.button.secondary{background:#fff;color:var(--brand)}
button.small{min-height:34px;padding:6px 12px;font-size:.9rem}
.link{background:none;border:0;padding:0;min-height:0;font-weight:500;color:var(--brand);text-decoration:underline}
.big{font-size:1.6rem;font-weight:800;margin:0;font-variant-numeric:tabular-nums}
.price{font-weight:750;font-variant-numeric:tabular-nums}
.muted{color:var(--muted);font-weight:400}
.small-text{font-size:.88rem}
.error{color:var(--bad)}
.notice{padding:12px 16px;border-radius:10px;background:#e7f5ec;color:var(--ok);margin:0;font-weight:500}
.notice.bad{background:#fbeaea;color:var(--bad)}
.approval{border:2px solid var(--brand);background:var(--soft)}
.approval-summary{font-size:1.1rem;font-weight:600;padding:12px;background:#fff;border-radius:10px;border:1px solid var(--line)}
.rows{list-style:none;margin:0;padding:0}
.rows>li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;padding:12px 0;border-top:1px solid var(--line)}
.rows>li:first-child{border-top:0}
.tag{display:inline-block;font-size:.76rem;font-weight:650;padding:2px 9px;border-radius:999px;background:#eef2f6;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.tag.ok{background:#e7f5ec;color:var(--ok)}
.tag.warn{background:#fff4e0;color:#8a5300}
.tag.hot{background:var(--brand);color:#fff}
.empty{color:var(--muted);text-align:center;padding:18px}
code{font-size:.9em}

.hero{display:grid;gap:16px;background:linear-gradient(135deg,var(--soft),#fff)}
.plane{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--brand);color:#fff;flex:none}
.plane svg{width:60%}
.search{display:grid;gap:10px;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) minmax(0,1fr) minmax(0,110px) auto;align-items:end}
@media (max-width:760px){.search{grid-template-columns:1fr 1fr}.search .swap{display:none}.search button[type=submit]{grid-column:1/-1}}
.flights{display:grid;gap:12px}
.flight{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) auto;gap:12px 20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
@media (max-width:640px){.flight{grid-template-columns:1fr}}
.times{display:flex;align-items:center;gap:12px;font-size:1.35rem;font-weight:800;font-variant-numeric:tabular-nums}
.times .dash{flex:1;min-width:30px;height:2px;background:var(--line);position:relative}
.times .dash::after{content:"\2708";position:absolute;right:-4px;top:-12px;font-size:.9rem;color:var(--brand)}
.fare{text-align:right}
.review{border:2px solid var(--brand)}
.big-route{font-size:1.3rem;font-weight:800;margin:0}
.pay{display:grid;gap:8px;padding:14px;border:1px solid var(--line);border-radius:12px}
.trip{display:grid;gap:4px}
.trip .route{font-size:1.15rem;font-weight:800}
.change-list{display:grid;gap:8px;margin-top:8px;padding:12px;border-radius:12px;background:var(--soft)}