:root{--bg:#f5f7fa;--ink:#142033;--muted:#6d7787;--line:#dfe4ea;--panel:#fff;--a2:#12375b;--accent:#1fa6a6;--ok:#168565;--warn:#cc8a12;--lh-navy:#071b3a;--lh-yellow:#f9c900;--ua-blue:#005daa;--ua-deep:#003b70;--la-navy:#1b1f56;--tk-dark:#1c1c1c;--shadow:0 18px 50px #111f341a}*{box-sizing:border-box}body{color:var(--ink);background:linear-gradient(#f8fafc 0%,#f1f4f8 100%);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:5;background:#fff;justify-content:space-between;align-items:center;height:68px;padding:0 34px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:14px;min-width:0;display:flex}.a2-logo{object-fit:contain;object-position:left center;flex:none;width:146px;height:48px;display:block}.brand-sep{background:#e1e6eb;width:1px;height:30px}.brand span{color:var(--muted);white-space:nowrap;font-size:13px}.demo-tag{color:#176d6d;background:#eef7f7;border:1px solid #cfe7e7;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:700}.shell{max-width:1500px;margin:0 auto;padding:24px 28px 42px}.intro{justify-content:space-between;align-items:flex-end;margin-bottom:16px;display:flex}.intro h1{letter-spacing:-.3px;margin:0 0 5px;font-size:24px}.intro p{color:var(--muted);margin:0;font-size:14px}.flow{color:#687385;align-items:center;gap:8px;font-size:12px;display:flex}.dot{background:var(--accent);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 5px #1fa6a617}.tabs{grid-template-columns:1.08fr 1fr 1fr 1fr;gap:10px;margin:18px 0 10px;display:grid}.tab{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:13px;padding:13px 15px;transition:all .18s;position:relative;overflow:hidden;box-shadow:0 3px 10px #111f3408}.tab:hover{transform:translateY(-1px)}.tab.active{border:2px solid var(--accent);background:linear-gradient(#f3fbfb 0%,#fff 100%);padding:12px 14px;transform:translateY(-2px);box-shadow:0 9px 24px #11606724}.tab.active:before{content:"";background:var(--accent);height:4px;position:absolute;top:0;left:0;right:0}.tab.active .tab-kicker{color:var(--a2)}.tab.active .tab-title{color:#0d314f}.tab-kicker{text-transform:uppercase;letter-spacing:1.15px;color:#8790a0;font-size:10px;font-weight:800}.tab-title{margin-top:3px;font-size:14px;font-weight:800}.tab-meta{color:#7e8999;margin-top:3px;font-size:11px}.page{display:none}.page.active{display:block}.browser{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px;min-height:690px;overflow:hidden}.browserbar{background:#fbfcfd;border-bottom:1px solid #e7ebf0;align-items:center;gap:9px;height:42px;padding:0 15px;display:flex}.traffic{gap:6px;display:flex}.traffic i{background:#d4d9df;border-radius:50%;width:9px;height:9px;display:block}.url{color:#7b8492;background:#f1f3f6;border:1px solid #e5e8ec;border-radius:7px;flex:1;align-items:center;max-width:540px;height:25px;margin-left:12px;padding:0 11px;font-size:10.5px;display:flex}.concept{color:#9aa2ad;margin-left:auto;font-size:10px}.airbar{align-items:center;height:73px;padding:0 28px;display:flex}.airbrand{align-items:center;gap:10px;font-weight:800;display:flex}.airline-logo-box{background:#fff;border:1px solid #12203314;border-radius:9px;justify-content:center;align-items:center;min-width:46px;max-width:122px;height:42px;padding:5px 8px;display:flex;box-shadow:0 2px 8px #0000000f}.airline-logo{width:auto;max-width:104px;height:auto;max-height:30px;display:block}.airline-logo.ua-logo{max-width:34px;max-height:30px}.airline-name{white-space:nowrap}.airnav{opacity:.82;gap:24px;margin-left:46px;font-size:12px;display:flex}.airright{align-items:center;gap:13px;margin-left:auto;font-size:11px;display:flex}.pill{border-radius:999px;padding:7px 10px;font-size:10.5px;font-weight:700}.lh .airbar{background:var(--lh-navy);color:#fff}.lh .pill{background:#ffffff1c}.ua .airbar{color:var(--ua-deep);background:#fff;border-bottom:1px solid #edf1f5}.ua .airnav{color:#45627f}.ua .pill{color:#0b5f9d;background:#e8f3fb}.la .airbar{background:linear-gradient(90deg,var(--la-navy),#252a69);color:#fff}.la .pill{background:#ffffff1f}.tk .airbar{color:#202020;background:#fff;border-bottom:1px solid #ececec}.tk .airnav{color:#555}.tk .pill{color:#526170;background:#f0f3f6}.content{padding:25px 29px 31px}.headline{justify-content:space-between;align-items:flex-start;gap:25px;display:flex}.headline h2{letter-spacing:-.45px;margin:0 0 7px;font-size:25px}.sub{color:var(--muted);font-size:13px}.headline-right{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.routecard{background:#f7f9fb;border:1px solid #e5e9ee;border-radius:13px;align-items:center;gap:13px;padding:11px 15px;display:flex}.airport strong{font-size:17px}.airport small,.aircraft strong+small{color:#8a93a0;margin-top:2px;font-size:10px;display:block}.aircraft strong{font-size:14px}.route-divider{background:#dfe4ea;width:1px;height:31px;margin:0 1px}.plane{color:#8490a1;font-size:15px}.source-badge{color:#6f5b00;background:#fff8d8;border:1px solid #f1dc7d;border-radius:9px;align-items:center;gap:8px;margin-top:15px;padding:8px 10px;font-size:11px;font-weight:750;display:inline-flex}.status-badge{border-radius:999px;align-items:center;gap:7px;padding:8px 10px;font-size:10.5px;font-weight:750;display:inline-flex}.live{color:#14745f;background:#eaf8f4}.pull{color:#3d658c;background:#eef4fb}.queue{color:#496574;background:#eef5f7}.pulse{background:#16a37e;border-radius:50%;width:7px;height:7px;animation:1.7s infinite pulse;box-shadow:0 0 #16a37e80}@keyframes pulse{70%{box-shadow:0 0 0 7px #16a37e00}to{box-shadow:0 0 #16a37e00}}.main-grid{grid-template-columns:1.28fr .72fr;gap:20px;margin-top:20px;display:grid}.card{background:#fff;border:1px solid #e2e7ec;border-radius:15px;overflow:hidden}.card-head{border-bottom:1px solid #edf0f3;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.card-head strong{font-size:12px}.card-head span{color:#87909d;font-size:10.5px}.card-body{padding:16px}.seat-area{background:#f8fafc;border:1px solid #e7ebef;border-radius:13px;padding:16px;overflow-x:auto}.aircraft-shell{background:linear-gradient(90deg,#d5dbe2 0 14px,#fdfefe 14px calc(100% - 14px),#d5dbe2 calc(100% - 14px) 100%);border:2px solid #c7ced7;border-radius:46% 46% 34px 34px/78px 78px 30px 30px;width:570px;min-width:570px;margin:0 auto;padding:50px 46px 34px;position:relative;box-shadow:inset 21px 0 28px #46546514,inset -21px 0 28px #46546514,0 7px 20px #1f30460f}.aircraft-shell:before,.aircraft-shell:after{content:"";background:linear-gradient(#c1c9d2,#e1e6eb 45%,#c1c9d2);border-radius:4px;width:4px;position:absolute;top:98px;bottom:35px}.aircraft-shell:before{left:18px}.aircraft-shell:after{right:18px}.cabin-title{text-transform:uppercase;letter-spacing:.8px;color:#7b8594;justify-content:space-between;margin-bottom:13px;font-size:10px;font-weight:800;display:flex}.seatmap{grid-template-columns:28px repeat(3,34px) 22px repeat(3,34px) 22px repeat(3,34px);justify-content:center;align-items:center;gap:6px;display:grid}.rownum{color:#9ca4af;text-align:center;font-size:9px}.aisle{width:22px;height:31px;position:relative}.aisle:after{content:"";background:#e2e7ec;width:1px;position:absolute;top:2px;bottom:2px;left:50%}.seat-letter{color:#8b95a3;text-align:center;height:18px;font-size:8.5px;font-weight:800;line-height:18px}.seat{color:#536070;cursor:pointer;background:#fff;border:1px solid #cfd6de;border-radius:7px;justify-content:center;align-items:center;width:34px;height:31px;font-size:9px;font-weight:750;transition:all .16s;display:flex;position:relative}.seat:hover{transform:translateY(-1px);box-shadow:0 4px 8px #12375b14}.seat.open{color:#256c60;background:#eef9f6;border-color:#a8d8cf}.seat.taken{color:#9aa2ad;background:#e8ebef;border-color:#d8dde3;text-decoration:line-through}.seat.hold{color:#936716;background:#fff8e8;border-color:#efd59e}.seat.changed{animation:.9s flash}@keyframes flash{0%{box-shadow:0 0 #1fa6a659}40%{box-shadow:0 0 0 7px #1fa6a617}to{box-shadow:0 0 #1fa6a600}}.legend{color:#7f8997;justify-content:center;gap:13px;min-width:570px;margin:13px auto 0;font-size:9.5px;display:flex}.key{align-items:center;gap:5px;display:flex}.sw{border:1px solid #cfd6de;border-radius:3px;width:9px;height:9px}.sw.o{background:#eef9f6;border-color:#a8d8cf}.sw.t{background:#e8ebef}.sw.h{background:#fff8e8;border-color:#efd59e}.metrics{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px;display:grid}.metric{background:#f7f9fb;border-radius:10px;min-height:61px;padding:11px}.metric b{font-size:19px;display:block}.metric span{color:#84909e;font-size:9.5px}.connection-live{color:var(--ok);align-items:center;gap:7px;font-weight:900!important;display:flex!important}.data-flow{width:29px;height:12px;display:inline-block;position:relative;overflow:hidden}.data-flow:before{content:"";background:#cce7df;border-radius:2px;height:2px;position:absolute;top:5px;left:0;right:0}.data-flow i{background:var(--ok);border-radius:50%;width:5px;height:5px;animation:1.35s linear infinite packet;position:absolute;top:3px;left:-6px}.data-flow i:nth-child(2){animation-delay:.45s}.data-flow i:nth-child(3){animation-delay:.9s}@keyframes packet{to{transform:translate(38px)}}.timeline{flex-direction:column;gap:11px;margin-top:8px;display:flex}.event{grid-template-columns:54px 1fr auto;align-items:center;gap:10px;font-size:10px;display:grid}.event .time{color:#98a0aa;font-variant-numeric:tabular-nums}.event .txt b{font-size:10.5px;display:block}.event .txt span{color:#8a94a2}.event .tag{color:#75808e;background:#eef2f6;border-radius:999px;padding:4px 7px;font-size:9px}.primary-btn{cursor:pointer;border:0;border-radius:10px;padding:10px 13px;font-size:11px;font-weight:800}.lh .primary-btn{background:var(--lh-yellow);color:var(--lh-navy)}.ua .primary-btn{background:var(--ua-blue);color:#fff}.la .primary-btn{background:var(--accent);color:#fff;box-shadow:0 4px 12px #1fa6a633}.tk .primary-btn{background:var(--accent);color:#fff}.refresh-icon{vertical-align:-1px;margin-right:5px;font-size:15px;line-height:0;display:inline-block}.secondary-btn{color:#5b6573;cursor:pointer;background:#fff;border:1px solid #dfe4ea;border-radius:10px;padding:9px 12px;font-size:10.5px;font-weight:700}.actions{align-items:center;gap:8px;display:flex}.tiny{color:#8a94a2;font-size:9.5px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.integration-strip{background:linear-gradient(#fbfcfd 0%,#f6f9fb 100%);border:1px solid #dfe5ea;border-radius:16px;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:14px;padding:16px 18px;display:grid}.top-integration{margin:0 0 12px}.node{background:#fff;border:1px solid #e0e5ea;border-radius:12px;align-items:flex-start;gap:12px;min-height:76px;padding:13px 14px;display:flex;position:relative;box-shadow:0 3px 10px #111f3408}.node.active{border:2px solid var(--accent);background:linear-gradient(#f3fbfb 0%,#fff 100%);padding:12px 13px;box-shadow:0 9px 24px #11606724}.node.active:before{content:"";background:var(--accent);height:4px;position:absolute;top:0;left:0;right:0}.node.active .node-copy b{color:#0d314f}.node-icon{color:#486174;background:#eef3f7;border:1px solid #12203314;border-radius:11px;flex:none;justify-content:center;align-items:center;width:38px;height:38px;font-size:14px;font-weight:900;display:flex}.node.active .node-icon{color:#176d6d;background:#e7f6f6;border-color:#b9e3e3}.node-copy{min-width:0}.node-copy b{font-size:13px;line-height:1.18;display:block}.node-copy span{color:#7f8997;margin-top:5px;font-size:10.5px;line-height:1.35;display:block}.arrow{color:#97a0ac;text-align:center;font-size:18px;font-weight:900}.integ-accent{font-size:11px;font-weight:800}.ua .integ-accent{color:var(--ua-blue)}.la .integ-accent{color:var(--la-navy)}.tk .integ-accent{color:#247b7b}.node-icon.lh-step{color:var(--lh-navy)}.node-icon.a2-step{color:#176d6d}.node-icon.ua-step{color:var(--ua-blue)}.node-icon.la-step{color:var(--la-navy)}.node-icon.tk-step{color:#247b7b}.node-icon.contract-step{letter-spacing:.2px;font-size:12px}.loadingline{background:#edf1f5;height:3px;overflow:hidden}.loadingline i{background:currentColor;width:33%;height:100%;display:block;transform:translate(-110%)}.loadingline.active i{animation:1.15s ease-in-out infinite load}@keyframes load{to{transform:translate(320%)}}.ua .loadingline{color:var(--ua-blue)}.la .loadingline{color:var(--la-navy)}.tk .loadingline{color:var(--accent)}.skeleton{position:relative;overflow:hidden}.skeleton:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#ffffffbf,#0000);animation:1.05s infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}@keyframes shimmer{to{background-position:-200% 0}}.cache-cycle{background:#f7fafb;border:1px solid #e5ebee;border-radius:10px;margin:10px 0 15px;padding:10px 11px}.cache-cycle-head{color:#75818f;justify-content:space-between;align-items:center;margin-bottom:7px;font-size:9.5px;display:flex}.cache-cycle-head b{color:#496574}.cache-track{background:#e6ecef;border-radius:999px;height:6px;overflow:hidden}.cache-track i{background:linear-gradient(90deg,#9ed3d3,var(--accent));border-radius:999px;width:0;height:100%;transition:width .1s linear;display:block}.toast{color:#fff;opacity:0;pointer-events:none;z-index:9;background:#142033;border-radius:11px;padding:12px 15px;font-size:11px;transition:all .25s;position:fixed;bottom:27px;right:30px;transform:translateY(8px);box-shadow:0 12px 30px #0000002e}.toast.show{opacity:1;transform:translateY(0)}.footer-note{text-align:center;color:#9aa2ad;margin-top:15px;font-size:9.5px}.mobile-note{display:none}@media (width<=900px){.shell{padding:15px}.tabs{grid-template-columns:1fr 1fr}.main-grid,.integration-strip{grid-template-columns:1fr}.arrow{text-align:center;transform:rotate(90deg)}.airnav{display:none}.headline{flex-direction:column}.headline-right{justify-content:flex-start}.browser{min-height:auto}.brand span,.brand-sep{display:none}.mobile-note{display:block}}.seat.available{color:#256c60;background:#eef9f6;border-color:#a8d8cf}.seat.occupied{color:#9aa2ad;background:#e8ebef;border-color:#d8dde3;text-decoration:line-through}.seat.blocked{color:#936716;background:#fff8e8;border-color:#efd59e}.boot{color:#fff;z-index:50;background:#071640eb;place-items:center;display:grid;position:fixed;inset:0}.boot[hidden]{display:none}.boot-card{text-align:center;max-width:420px;padding:32px}.deck-label{letter-spacing:.08em;text-transform:uppercase;opacity:.6;margin:14px 0 6px;font-size:12px}.seat.missing{visibility:hidden}.seat-skeleton{background:linear-gradient(90deg,#eef2f6 25%,#f7fafb 50%,#eef2f6 75%) 0 0/200% 100%;border-radius:12px;height:180px;animation:1.2s infinite shimmer}@media (prefers-reduced-motion:reduce){.seat-skeleton{animation:none}}.seatmap{display:block}.seatgrid{justify-content:center;align-items:center;gap:6px;margin:0 auto 14px;display:grid}.seatgrid[style*=--cols\:9]{grid-template-columns:28px repeat(3,34px) 22px repeat(3,34px) 22px repeat(3,34px)}.seatgrid[style*=--cols\:4]{grid-template-columns:28px repeat(2,34px) 22px repeat(2,34px)}.inspector-strip{border:1px solid var(--line);background:#fff;border-radius:15px;margin:0 0 16px;padding:16px 18px;box-shadow:0 3px 10px #111f3408}.inspector-empty{color:var(--muted);text-align:center;padding:8px 4px;font-size:12px}.inspector-head{align-items:baseline;gap:9px;margin-bottom:12px;display:flex}.inspector-head b{color:#0d314f;font-size:14px}.inspector-head span{color:var(--muted);font-size:11px}.inspector-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.inspector-col{background:#f8fafc;border:1px solid #e5e9ee;border-radius:11px;flex-direction:column;gap:7px;min-height:84px;padding:11px;display:flex}.inspector-col.source{background:#fffdf3;border-color:#f1dc7d}.inspector-col.missing{background:#fdf3f3;border-color:#f0c9c9}.inspector-col-head{justify-content:space-between;align-items:baseline;display:flex}.inspector-col-head b{font-size:11px}.inspector-col-head span{color:#8a94a2;font-size:9.5px}.inspector-json{white-space:pre-wrap;word-break:break-word;color:#334155;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9.5px;line-height:1.5}.inspector-placeholder{color:#8a94a2;flex:1;align-items:center;font-size:10.5px;font-style:italic;display:flex}.inspector-col.missing .inspector-placeholder{color:#a5484c}@media (width<=900px){.inspector-grid{grid-template-columns:1fr 1fr}}.payload-expander{background:#f8fafc;border:1px solid #e5e9ee;border-radius:11px;margin-top:14px;padding:2px 14px}.payload-expander summary{cursor:pointer;color:#5b6573;padding:10px 0;font-size:10.5px;font-weight:700}.payload-expander[open] summary{border-bottom:1px solid #e5e9ee}.payload-json{white-space:pre-wrap;word-break:break-word;color:#334155;max-height:280px;margin:0;padding:11px 0 13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;line-height:1.5;overflow:auto}