:root{--bt-cream:#faf7f0;--bt-cream-2:#f3ecdd;--bt-green:#1a3c34;--bt-green-2:#14332c;--bt-orange:#e8823a;--bt-orange-2:#d06f28;--bt-ink:#2b2b2b;--bt-muted:#6f6a5e;--bt-line:#e5dcc8}.bt-page{background:var(--bt-cream);min-height:100vh;color:var(--bt-ink);font-family:DM Sans,system-ui,sans-serif}.bt-container{max-width:1020px;margin:0 auto;padding:32px 20px 80px}.bt-topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.bt-brand{color:var(--bt-green);font-size:20px;font-weight:800;text-decoration:none}.bt-back{color:var(--bt-green);font-size:15px;font-weight:600;text-decoration:none}.bt-back:hover{text-decoration:underline}.bt-title{color:var(--bt-green);letter-spacing:-.5px;margin:0 0 6px;font-size:clamp(26px,4vw,38px);font-weight:800}.bt-subtitle{color:var(--bt-muted);margin:0 0 24px;font-size:16px}.bt-card{border:1px solid var(--bt-line);background:#fffdf8;border-radius:18px;padding:22px;box-shadow:0 6px 24px #1a3c340f}.bt-flight-card{border:1px solid var(--bt-line);background:#fffdf8;border-radius:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin-bottom:14px;padding:20px 22px;display:flex;box-shadow:0 6px 24px #1a3c340f}.bt-airline{color:var(--bt-green);font-size:17px;font-weight:800}.bt-route{color:var(--bt-ink);margin-top:4px;font-size:15px}.bt-meta{color:var(--bt-muted);margin-top:4px;font-size:13.5px}.bt-price{text-align:right}.bt-price .amount{color:var(--bt-green);font-size:26px;font-weight:800}.bt-price .per{color:var(--bt-muted);font-size:12.5px}.bt-btn{background:var(--bt-orange);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:13px 30px;font-size:16px;font-weight:700;text-decoration:none;transition:background .15s,transform .1s;display:inline-block}.bt-btn:hover{background:var(--bt-orange-2)}.bt-btn:active{transform:scale(.98)}.bt-btn:disabled{opacity:.55;cursor:not-allowed}.bt-btn-green{background:var(--bt-green)}.bt-btn-green:hover{background:var(--bt-green-2)}.bt-btn-ghost{color:var(--bt-green);border:2px solid var(--bt-green);background:0 0}.bt-grid-2{grid-template-columns:1fr 380px;align-items:start;gap:22px;display:grid}@media (max-width:860px){.bt-grid-2{grid-template-columns:1fr}}.bt-seg{border-left:3px solid var(--bt-orange);margin:12px 0;padding:6px 0 6px 16px}.bt-seg .flight{color:var(--bt-green);font-weight:700}.bt-seg .times{margin-top:2px;font-size:15px}.bt-seg .sub{color:var(--bt-muted);font-size:13px}.bt-field{margin-bottom:14px}.bt-field label{color:var(--bt-green);margin-bottom:6px;font-size:13.5px;font-weight:600;display:block}.bt-field input{box-sizing:border-box;border:1.5px solid var(--bt-line);background:#fff;border-radius:12px;width:100%;padding:12px 14px;font-family:inherit;font-size:16px}.bt-field input:focus{outline:2px solid var(--bt-orange);border-color:var(--bt-orange)}.bt-pax{border:1px solid var(--bt-line);background:#fff;border-radius:14px;margin-bottom:14px;padding:16px}.bt-pax h4{color:var(--bt-green);margin:0 0 12px}.bt-row{justify-content:space-between;padding:8px 0;font-size:15.5px;display:flex}.bt-row.total{border-top:2px solid var(--bt-line);color:var(--bt-green);margin-top:8px;padding-top:14px;font-size:19px;font-weight:800}.bt-row .fee{color:var(--bt-muted);font-size:13.5px}.bt-error{color:#9c2b1f;background:#fdeceb;border:1px solid #f5b8b1;border-radius:12px;margin:16px 0;padding:14px 16px;font-size:15px}.bt-notice{background:var(--bt-cream-2);border:1px solid var(--bt-line);color:var(--bt-muted);border-radius:12px;margin:16px 0;padding:14px 16px;font-size:14.5px}.bt-loading{text-align:center;color:var(--bt-muted);padding:60px 20px;font-size:17px}.bt-ref{letter-spacing:4px;color:var(--bt-green);background:var(--bt-cream-2);border:2px dashed var(--bt-orange);border-radius:16px;margin:12px 0 24px;padding:18px 28px;font-size:clamp(30px,6vw,46px);font-weight:800;display:inline-block}.bt-check{background:var(--bt-green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:18px;font-size:34px;display:flex}.bt-steps{flex-wrap:wrap;gap:8px;margin-bottom:28px;display:flex}.bt-step{color:var(--bt-muted);font-size:13px;font-weight:700}.bt-step.active{color:var(--bt-orange)}.bt-step.done{color:var(--bt-green)}.bt-filter-bar{justify-content:space-between;align-items:center;gap:12px;margin:0 0 16px;display:flex}.bt-filter-count{color:var(--bt-muted);font-size:14.5px;font-weight:600}.bt-filter-toggle{color:var(--bt-green);border:2px solid var(--bt-green);cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:8px;padding:9px 18px;font-family:inherit;font-size:14.5px;font-weight:700;display:inline-flex}.bt-filter-toggle:hover{background:var(--bt-cream-2)}.bt-filter-toggle .n{background:var(--bt-orange);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:22px;height:22px;padding:0 6px;font-size:12.5px;display:inline-flex}.bt-filters{border:1px solid var(--bt-line);background:#fffdf8;border-radius:18px;gap:18px;margin-bottom:18px;padding:20px 22px;display:grid;box-shadow:0 6px 24px #1a3c340f}.bt-filter-label{color:var(--bt-green);margin-bottom:10px;font-size:13.5px;font-weight:700}.bt-fchecks{flex-wrap:wrap;gap:8px 20px;display:flex}.bt-fcheck{cursor:pointer;align-items:center;gap:8px;font-size:14.5px;display:inline-flex}.bt-fcheck input{width:17px;height:17px;accent-color:var(--bt-orange);margin:0}.bt-pills{flex-wrap:wrap;gap:8px;display:flex}.bt-pill{border:1.5px solid var(--bt-line);color:var(--bt-ink);cursor:pointer;background:#fff;border-radius:999px;padding:8px 16px;font-family:inherit;font-size:14px;font-weight:600}.bt-pill.on{border-color:var(--bt-orange);background:var(--bt-orange);color:#fff}.bt-range{width:100%;accent-color:var(--bt-orange)}.bt-clear{color:var(--bt-orange-2);cursor:pointer;background:0 0;border:none;justify-self:start;padding:0;font-family:inherit;font-size:14px;font-weight:700}.bt-clear:hover{text-decoration:underline}