:root{--bg: #ffffff;--text: #0b0b0b;--muted: #3b3b3b;--border: #d0d0d0;--card: #f7f7f7;--primary: #0b57d0;--primaryText: #ffffff;--danger: #b00020;--focus: #ffbf47;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary);text-decoration-thickness:2px;text-underline-offset:.15em}a:hover{text-decoration:underline}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}button{font:inherit;cursor:pointer}input,select{font:inherit}@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:min(72rem,calc(100% - 2rem));margin:0 auto;padding:1rem 0}.skipLink{position:absolute;left:.5rem;top:.5rem;padding:.5rem .75rem;background:var(--focus);color:var(--text);border-radius:.25rem;transform:translateY(-200%)}.skipLink:focus{transform:translateY(0)}.header{border-bottom:1px solid var(--border);background:var(--card)}.brand{font-size:1.25rem;font-weight:800;margin:0}.tagline{margin:.25rem 0 0;color:var(--muted)}h1{margin:1rem 0 .5rem;font-size:1.75rem;line-height:1.2}h2{margin:0 0 .5rem;font-size:1.2rem}.h3{margin:1rem 0 .5rem;font-size:1.05rem}.lead{margin:.5rem 0 1rem}.card{border:1px solid var(--border);background:#fff;border-radius:.5rem;padding:1rem;margin:1rem 0}.cardSub{border:1px solid var(--border);background:var(--card);border-radius:.5rem;padding:1rem;margin:1rem 0}.field{margin:.75rem 0}.field label{font-weight:700}.field input,.field select,.field textarea{display:block;width:100%;max-width:28rem;padding:.55rem .65rem;border-radius:.375rem;border:1px solid var(--border)}.field input[type=checkbox]{display:inline-block;width:auto;max-width:none;margin-right:.5rem}.field input[type=number]{max-width:10rem}.field textarea{max-width:100%;min-height:10rem;resize:vertical}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.help,.status{margin:.25rem 0 0;color:var(--muted)}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;align-items:end}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}@media (max-width: 44rem){.grid2{grid-template-columns:1fr}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}button,.primaryLink{border-radius:.5rem;border:1px solid transparent;padding:.6rem .9rem;font-weight:800}button{background:var(--primary);color:var(--primaryText)}button[disabled]{opacity:.6;cursor:not-allowed}.secondary{background:#fff;color:var(--text);border-color:var(--border)}.primaryLink{display:inline-block;background:var(--primary);color:var(--primaryText);text-decoration:none}.primaryLink:hover{text-decoration:underline}.note{border:2px solid var(--border);border-radius:.5rem;padding:1rem;background:var(--card);margin:1rem 0}.errorSummary{border:2px solid var(--danger);background:#fff5f6;border-radius:.5rem;padding:1rem;margin:1rem 0}.errorSummaryTitle{margin:0 0 .5rem;font-weight:900}.suggestions{margin-top:.5rem}.suggestions ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}.suggestions button{width:100%;text-align:left;background:#fff;color:var(--text);border:1px solid var(--border)}.suggestionsCode{font-weight:900}.suggestionsText{font-weight:500}.flightList ol{padding-left:1.25rem;margin:0;display:grid;gap:.75rem}.flightList fieldset{border:0;padding:0;margin:0}.flightList legend{font-weight:900;margin-bottom:.5rem}.flightItem label{display:block;border:1px solid var(--border);border-radius:.5rem;padding:.75rem}.flightItem input[type=radio]{margin-right:.5rem}.flightMain{display:inline-grid;gap:.15rem}.flightTimes{font-weight:900}.flightMeta{color:var(--muted)}.summaryItem{border-top:1px solid var(--border);padding-top:.75rem;margin-top:.75rem}.summaryTitle{margin:0;font-weight:900}.footer{margin-top:auto;border-top:1px solid var(--border);background:var(--card);color:var(--muted)}