:root{color-scheme:light;--navy:#0c2336;--ink:#152c40;--muted:#5d7080;--line:#dce4eb;--blue:#245dde;--teal:#087f75}*{box-sizing:border-box}body{margin:0;background:#f1f5f9;color:var(--ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{background:var(--navy);color:white;padding:22px max(24px,calc((100vw - 1320px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;gap:14px;align-items:center;font-size:20px;font-weight:650}.mark{font-size:14px;padding:9px;border:1px solid #66879f;border-radius:8px;letter-spacing:.02em}.muted{color:#88a8c0}.header-note{font-size:12px;letter-spacing:.15em;color:#aec4d5}main{max-width:1368px;margin:auto;padding:30px 24px}.page-title{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:26px}.eyebrow{font-size:12px;letter-spacing:.13em;color:var(--muted);margin:0 0 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summary{color:var(--ink)}.source-panel p{max-width:1000px}footer{font-size:12px;color:var(--muted);padding:24px 0 5px;text-align:center}[hidden]{display:none!important}@media(max-width:1050px){.layout{grid-template-columns:310px minmax(0,1fr)}.panel{padding:18px}.metrics{gap:8px}.metric{padding:14px}.page-title{align-items:flex-start}#chart{aspect-ratio:1.35}}@media(max-width:760px){header{padding:16px 20px}.header-note{display:none}main{padding:24px 16px}.page-title{display:block}.aircraft-picker{margin-top:20px}.aircraft-picker button{flex:1;min-width:0}.layout{grid-template-columns:minmax(0,1fr);gap:18px}.inputs{padding:20px}.field,.seat{margin-bottom:12px}.input-unit{width:112px}input{width:80px}.metrics{grid-template-columns:1fr 1fr}.metric{min-width:0}.metric:last-child{grid-column:1/-1}.metric:last-child strong{display:inline-block;margin-right:8px}.metric:last-child 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