*{margin:0;padding:0;box-sizing:border-box}html,body,#app{width:100%;height:100%;overflow:hidden;background:#0b0e14;font-family:Segoe UI,system-ui,sans-serif}#app{position:relative}#scene-canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block}:root{--panel: rgba(18, 21, 26, .9);--panel-raised: rgba(31, 36, 44, .92);--hairline: rgba(255, 255, 255, .1);--hairline-strong: rgba(255, 255, 255, .18);--ink: #e7eaef;--ink-dim: #8b93a1;--ink-faint: #5f6773;--amber: #f0a63c;--amber-soft: rgba(240, 166, 60, .16);--lift: 0 10px 30px rgba(0, 0, 0, .45), 0 1px 0 rgba(255, 255, 255, .05) inset;--micro: 600 10px/1 "Segoe UI", system-ui, sans-serif;--micro-track: .14em;--numeric: 600 13px/1 "Segoe UI", ui-monospace, "Cascadia Mono", Consolas, monospace}[hidden]{display:none!important}#map-overlay{position:absolute;display:flex;flex-direction:column;background:var(--panel);-webkit-backdrop-filter:blur(14px) saturate(1.1);backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--hairline-strong);border-radius:10px;color:var(--ink);z-index:20;box-shadow:var(--lift);transition:opacity .15s ease}#map-overlay.hidden{opacity:0;pointer-events:none}#map-overlay.docked{top:16px;right:16px;max-height:calc(100vh - 32px)}.map-header{position:relative;padding:11px 42px 10px 14px;border-bottom:1px solid var(--hairline)}.map-title{font:var(--micro);letter-spacing:var(--micro-track);text-transform:uppercase;color:var(--ink-dim)}.map-selection{margin-top:4px;font:var(--numeric);font-size:15px;letter-spacing:.04em;color:var(--amber)}.map-selection.is-empty{color:var(--ink-faint);font-weight:400;letter-spacing:.02em}.map-close{position:absolute;top:10px;right:10px;width:22px;height:22px;display:grid;place-items:center;background:none;border:1px solid transparent;border-radius:5px;color:var(--ink-dim);cursor:pointer;transition:color .12s ease,border-color .12s ease}.map-close svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}.map-close:hover{color:var(--ink);border-color:var(--hairline-strong)}.map-svg{height:min(66vh,560px);margin:10px 12px 4px;overflow:hidden;touch-action:none;cursor:grab}.map-svg.panning{cursor:grabbing}.map-footer{min-height:30px;display:flex;align-items:center;padding:0 12px 10px}.map-legend{display:flex;flex-wrap:wrap;gap:4px 12px}.map-legend-item{display:inline-flex;align-items:center;gap:5px;font:var(--micro);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint)}.map-swatch{width:9px;height:9px;border-radius:2px;display:inline-block}.map-swatch.is-seat{background:#7fa8e0}.map-swatch.is-exit{background:#d33c3c}.map-swatch.is-room{background:#2e4a57;border:1px solid #5d8a9c}.map-swatch.is-here{background:var(--amber);border-radius:50%}.map-detail{display:flex;align-items:baseline;gap:9px}.map-detail b{font:var(--numeric);font-size:14px;color:var(--amber);letter-spacing:.05em}.map-detail span{font-size:11.5px;color:var(--ink-dim)}.map-zoom{position:absolute;right:12px;bottom:44px;display:flex;flex-direction:column;gap:1px;background:var(--hairline);border:1px solid var(--hairline-strong);border-radius:7px;overflow:hidden}.map-zoom-btn{width:25px;height:24px;display:grid;place-items:center;background:var(--panel-raised);border:none;color:var(--ink-dim);cursor:pointer;transition:background .12s ease,color .12s ease}.map-zoom-btn svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}.map-zoom-btn:hover{background:#333a45;color:var(--ink)}.map-fuselage{fill:#161b23;stroke:#737d8d;stroke-width:2}.map-line{stroke:#4a5361;stroke-width:1.5}.map-block{fill:#262e3b;stroke:#4a5361}.map-block-label,.map-lav-label{fill:#8b93a1;font:var(--micro);letter-spacing:var(--micro-track)}.map-loc{cursor:pointer}.map-seat rect{stroke:#00000073;transition:filter .1s ease}.map-seat-passenger rect{fill:#7fa8e0}.map-loc:hover rect{filter:brightness(1.3);stroke:var(--amber);stroke-width:1.5}.map-seat-label{fill:#17202e;font-size:8px;font-weight:700;pointer-events:none}.map-wing{fill:#1d232e;stroke:#4a5361;stroke-width:1.5}.map-lav-rect{fill:#2e4a57;stroke:#5d8a9c}.map-exit-bar{fill:#d33c3c}.map-exit-label{fill:#d9645e;font:var(--micro);letter-spacing:.08em}.map-marker{fill:var(--amber);stroke:#12151a;stroke-width:1.5;animation:pulse 1.8s ease-in-out infinite;pointer-events:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}#hud{position:absolute;left:50%;bottom:20px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:7px;z-index:10}#hud-notice{display:flex;align-items:center;gap:7px;background:#38260ce6;border:1px solid rgba(240,166,60,.4);color:#f4d3a0;font-size:12px;letter-spacing:.02em;padding:5px 12px;border-radius:6px;white-space:nowrap}#hud-location{display:flex;align-items:baseline;gap:7px;padding:4px 12px;background:var(--panel);border:1px solid var(--hairline-strong);border-radius:6px;box-shadow:var(--lift);white-space:nowrap}.hud-loc-label{font:var(--micro);letter-spacing:var(--micro-track);text-transform:uppercase;color:var(--ink-dim)}.hud-loc-value{font:var(--numeric);font-size:14px;letter-spacing:.06em;color:var(--amber)}#hud-hint{font-size:11.5px;letter-spacing:.03em;color:#e7eaefbf;text-shadow:0 1px 4px rgba(0,0,0,.6);white-space:nowrap;opacity:1;transition:opacity .8s ease}#hud-hint.is-faded{opacity:0}#hud-bar{display:flex;align-items:stretch;background:var(--panel);border:1px solid var(--hairline-strong);border-radius:9px;box-shadow:var(--lift);-webkit-backdrop-filter:blur(14px) saturate(1.1);backdrop-filter:blur(14px) saturate(1.1);padding:4px}.hud-group{display:flex;gap:2px}.hud-divider{width:1px;margin:3px 5px;background:var(--hairline)}.hud-btn{position:relative;display:inline-flex;align-items:center;gap:7px;padding:7px 11px;background:none;border:1px solid transparent;border-radius:6px;color:var(--ink-dim);font:var(--micro);font-size:10.5px;letter-spacing:var(--micro-track);text-transform:uppercase;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.hud-btn:hover{background:#ffffff0f;color:var(--ink)}.hud-btn:focus-visible{outline:none;border-color:var(--amber)}.hud-btn.is-active{background:var(--amber-soft);border-color:#f0a63c6b;color:#ffd28f}.hud-label{white-space:nowrap}.hud-icon{width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.hud-btn.is-active .hud-icon{stroke:var(--amber)}.hud-key{font:500 9px/1 ui-monospace,Cascadia Mono,Consolas,monospace;letter-spacing:.04em;color:var(--ink-faint);border:1px solid var(--hairline);border-radius:3px;padding:2px 4px;margin-left:1px}.hud-btn:hover .hud-key{color:var(--ink-dim);border-color:var(--hairline-strong)}.hud-tip{position:absolute;left:50%;bottom:calc(100% + 9px);transform:translate(-50%) translateY(3px);padding:5px 9px;background:var(--panel-raised);border:1px solid var(--hairline-strong);border-radius:5px;color:var(--ink);font:400 11px/1.3 Segoe UI,system-ui,sans-serif;letter-spacing:.01em;text-transform:none;white-space:nowrap;box-shadow:var(--lift);opacity:0;pointer-events:none;transition:opacity .14s ease,transform .14s ease}.hud-btn:hover .hud-tip{opacity:1;transform:translate(-50%) translateY(0);transition-delay:.35s}@media(max-width:620px){.hud-label,.hud-key{display:none}.hud-btn{padding:8px}}#scene-canvas{transition:filter .9s ease,transform .9s ease}#app.menu-open #scene-canvas{filter:blur(9px) saturate(1.04);transform:scale(1.04)}#app.menu-open #hud{opacity:0;pointer-events:none}#hud{transition:opacity .5s ease}#start-menu{position:absolute;top:0;right:0;bottom:0;left:0;z-index:60;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff;transition:opacity .8s ease}#start-menu.leaving{opacity:0;pointer-events:none}.start-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(46% 34% at 50% 47%,#08122257,#08122229 55%,#08122200 78%)}.start-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 24px}.start-title{font-family:Georgia,Palatino Linotype,Book Antiqua,Palatino,Times New Roman,serif;font-size:clamp(2.4rem,7.4vw,5.4rem);font-weight:400;letter-spacing:.01em;line-height:1.08;text-wrap:balance;text-shadow:0 1px 2px rgba(4,12,28,.5),0 3px 14px rgba(4,12,28,.55),0 18px 60px rgba(4,12,28,.5);animation:start-rise 1s .15s cubic-bezier(.22,1,.36,1) both}.start-tagline{margin-top:clamp(16px,2.6vh,28px);font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif;font-size:clamp(.82rem,1.9vw,1.18rem);font-weight:400;text-transform:uppercase;letter-spacing:.26em;text-indent:.26em;color:#fffffff2;text-shadow:0 1px 2px rgba(4,12,28,.5),0 3px 12px rgba(4,12,28,.55);animation:start-rise 1s .32s cubic-bezier(.22,1,.36,1) both}.start-btn{position:relative;margin-top:clamp(30px,5.2vh,58px);padding:10px 6px;font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif;font-size:clamp(.86rem,1.6vw,1.06rem);font-weight:400;text-transform:uppercase;letter-spacing:.34em;text-indent:.34em;color:#fff;text-shadow:0 1px 3px rgba(4,12,28,.55),0 4px 18px rgba(4,12,28,.5);background:none;border:none;cursor:pointer;transition:opacity .22s ease,transform .22s ease;animation:start-reveal .85s .62s cubic-bezier(.34,1.56,.64,1) both,start-breathe 3.4s 1.5s ease-in-out infinite}.start-btn span{position:relative}.start-btn span:after{content:"";position:absolute;left:50%;right:50%;bottom:-8px;height:1px;background:#ffffffd9;transition:left .28s ease,right .28s ease}.start-btn:hover span:after,.start-btn:focus-visible span:after{left:0;right:.34em}.start-btn:hover,.start-btn:focus-visible{outline:none;animation-play-state:paused;transform:translateY(-2px)}.start-btn:active{transform:translateY(0);opacity:.8}@keyframes start-rise{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}@keyframes start-reveal{0%{opacity:0;transform:translateY(26px) scale(.86)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes start-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.035)}}@keyframes start-halo{0%{opacity:.55;transform:scale(1)}70%,to{opacity:0;transform:scale(1.22)}}@media(prefers-reduced-motion:reduce){#scene-canvas,.start-title,.start-tagline,.start-btn,.start-btn:before{animation:none;transition:none}}#app.menu-open #map-overlay{z-index:61;background:#0c142270;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-color:#ffffff3d;opacity:1;pointer-events:auto;animation:start-rise 1s .5s cubic-bezier(.22,1,.36,1) both}#app.menu-open .map-close{display:none}#app.menu-open .map-title{color:#fffffff0;letter-spacing:.2em}@media(min-width:900px){#app.menu-open .start-content{margin-right:clamp(170px,22vw,340px)}}@media(max-width:899px){#app.menu-open .map-svg{height:min(32vh,260px)}#app.menu-open .map-hint{display:none}#app.menu-open .start-content{margin-top:min(40vh,330px)}}