:root{--ink:#0b171d;--navy:#071116;--panel:#0c1c23;--lime:#cbf45d;--lime2:#9fc734;--cream:#f4f1e9;--muted:#718086;--line:#dce1dc;--blue:#5fc8ff;--orange:#ff9c55;--shadow:0 24px 70px rgba(1,12,17,.24)}
*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:Inter,Aptos,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream)}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.auth-shell{display:grid;grid-template-columns:1.15fr .85fr;min-height:100%;background:var(--cream)}
.auth-visual{position:relative;overflow:hidden;padding:44px 56px;color:white;background:radial-gradient(circle at 63% 37%,rgba(72,145,169,.17),transparent 28%),linear-gradient(145deg,#061015,#0a2029 70%,#12313b)}
.auth-visual:before{content:"";position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:52px 52px;transform:perspective(500px) rotateX(60deg) scale(1.7);transform-origin:center bottom}
.auth-visual:after{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(203,244,93,.13);border-radius:50%;right:-160px;top:18%;box-shadow:0 0 0 90px rgba(203,244,93,.025),0 0 0 190px rgba(203,244,93,.02)}
.brand{display:flex;position:relative;z-index:2;align-items:center;gap:12px;font-weight:750;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:5px;background:var(--lime);color:#0b171d;font-weight:900;transform:skew(-7deg)}
.hero-copy{position:relative;z-index:1;max-width:720px;margin-top:22vh}.eyebrow{font-size:11px;letter-spacing:.2em;font-weight:800;color:var(--lime);margin:0 0 15px}.eyebrow.dark{color:#637278}.hero-copy h1{font-size:clamp(48px,5vw,76px);line-height:.98;letter-spacing:-.055em;margin:0;max-width:780px}.hero-copy h1 em{font-style:normal;color:var(--lime)}.lede{font-size:18px;line-height:1.6;color:#b6c6cc;max-width:570px;margin:28px 0}.route-line{display:flex;align-items:center;gap:10px;width:310px;color:var(--lime)}.route-line span{height:1px;background:linear-gradient(90deg,var(--lime),transparent);flex:1}.route-line span:last-child{transform:rotate(180deg)}.route-line i{font-style:normal;transform:rotate(-18deg)}.data-note{position:absolute;z-index:1;bottom:42px;color:#799097;font-size:12px;letter-spacing:.08em}
.auth-panel{display:grid;place-items:center;padding:48px}.auth-card{width:min(430px,100%)}.mobile-brand{display:none}.tabs{display:flex;gap:32px;border-bottom:1px solid #cfd7d3;margin-bottom:54px}.tab{appearance:none;border:0;background:none;padding:14px 0;font-weight:700;color:#899496;position:relative}.tab.active{color:var(--ink)}.tab.active:after{content:"";position:absolute;height:3px;background:var(--lime2);left:0;right:0;bottom:-2px}.auth-card h2,.modal h2{font-size:32px;letter-spacing:-.04em;margin:0 0 8px}.muted{color:var(--muted);margin:0 0 32px}.auth-card label,.addon-fields label{display:block;font-size:11px;letter-spacing:.12em;font-weight:800;color:#526065;margin-bottom:20px}.auth-card input,.addon-fields input{display:block;width:100%;margin-top:9px;border:1px solid #cbd3d0;border-radius:6px;background:#fbfcf9;padding:15px 16px;outline:none;letter-spacing:normal;font-weight:500;color:var(--ink)}input:focus{border-color:#83a72d!important;box-shadow:0 0 0 3px rgba(164,208,58,.15)}
.primary{width:100%;display:flex;justify-content:space-between;align-items:center;border:0;border-radius:6px;background:var(--ink);color:white;font-weight:750;padding:16px 18px;transition:.2s}.primary:hover{background:#172b33;transform:translateY(-1px)}.primary:disabled{opacity:.55;cursor:wait}.fine-print{font-size:11px;color:#99a3a0;text-align:center;margin-top:22px}.form-error{font-size:13px;color:#b33427;min-height:18px;margin:0 0 12px}
.app-shell{height:100%;display:flex;flex-direction:column;background:#e8ece7}.topbar{height:72px;flex:0 0 72px;display:grid;grid-template-columns:280px minmax(300px,680px) 1fr;align-items:center;gap:28px;padding:0 28px;background:var(--navy);color:white;z-index:1001}.app-brand{font-size:14px}.app-brand .brand-mark{width:31px;height:31px}.search-wrap{position:relative}.search-wrap>input{width:100%;height:42px;border:1px solid #2b3b42;border-radius:7px;background:#10232b;color:white;padding:0 58px 0 40px;outline:none}.search-wrap>input:focus{border-color:#657c3d!important;box-shadow:none}.search-icon{position:absolute;left:14px;top:8px;font-size:23px;color:#87969b}.search-wrap kbd{position:absolute;right:11px;top:10px;color:#73858b;background:#192f38;border:1px solid #30444c;border-radius:4px;padding:2px 6px;font-size:11px}.search-results{position:absolute;top:49px;left:0;right:0;background:white;border-radius:8px;box-shadow:var(--shadow);overflow:hidden;color:var(--ink);max-height:430px;overflow-y:auto}.search-item{display:flex;gap:12px;align-items:center;width:100%;border:0;border-bottom:1px solid #eef1ed;background:white;padding:12px 14px;text-align:left}.search-item:hover{background:#f4f7ef}.search-item b{font-size:12px;background:var(--ink);color:var(--lime);border-radius:3px;padding:4px 6px}.search-item span{display:flex;flex-direction:column;font-weight:700}.search-item small{color:var(--muted);font-weight:500;margin-top:3px}.user-controls{justify-self:end;display:flex;align-items:center;gap:11px;font-size:13px}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink);font-weight:900}.icon-button,.ghost{border:1px solid #314149;background:transparent;color:#ccd4d6;border-radius:5px;padding:8px 10px}.ghost:hover,.icon-button:hover{border-color:var(--lime);color:var(--lime)}
.map-stage{position:relative;flex:1;min-height:0}#map{position:absolute;inset:0;background:#dfe6df}.leaflet-control-zoom a{background:#09171d!important;color:white!important;border-color:#263a43!important}.leaflet-control-attribution{font-size:9px!important}.airport-tooltip{border:0!important;border-radius:4px!important;background:#0b171d!important;color:#fff!important;box-shadow:0 5px 18px rgba(0,0,0,.22)!important;font-size:11px!important}.airport-tooltip:before{border-top-color:#0b171d!important}.airport-tooltip b{color:var(--lime);font-family:ui-monospace,monospace;letter-spacing:.06em}.map-overlay{position:absolute;z-index:500;background:rgba(7,17,22,.93);color:white;box-shadow:var(--shadow);backdrop-filter:blur(10px)}.stats-card{top:24px;left:24px;padding:18px 20px;border-radius:7px;width:185px}.stats-card .eyebrow{margin-bottom:12px}.stats-card div{display:flex;align-items:baseline;justify-content:space-between;border-top:1px solid #25343a;padding:10px 0 0;margin-top:8px}.stats-card strong{font-size:21px;color:white}.stats-card span{font-size:10px;color:#91a0a5}.legend{bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:20px;padding:10px 14px;border-radius:6px;font-size:10px;letter-spacing:.07em}.legend span{display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot.addon{background:var(--orange)}.dot.default{background:var(--blue)}.dot.unknown{background:#77878c}.map-message{position:absolute;z-index:500;right:20px;top:20px;background:#fff8df;color:#6a5317;padding:10px 14px;border-radius:5px;font-size:12px;box-shadow:0 8px 30px rgba(0,0,0,.15)}
.modal{position:relative;border:0;border-radius:10px;padding:28px;background:#f8f8f4;color:var(--ink);box-shadow:var(--shadow);width:min(520px,calc(100% - 28px));max-height:calc(100vh - 40px);overflow:auto}.modal::backdrop{background:rgba(1,10,14,.66);backdrop-filter:blur(3px)}.close-button{position:absolute;right:18px;top:14px;border:0;background:none;font-size:27px;color:#7a8789}.modal-heading{display:flex;gap:15px;align-items:flex-start;padding-right:28px}.airport-icon{width:45px;height:45px;flex:0 0 45px;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:6px}.modal-heading h2{font-size:27px;margin-bottom:8px}.icao-badge{font:700 12px ui-monospace,monospace;letter-spacing:.1em;background:#dfe5dc;padding:5px 8px;border-radius:3px}.section-label{font-size:10px;letter-spacing:.15em;font-weight:800;color:#6c797d;margin:28px 0 10px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-switch label input{position:absolute;opacity:0}.mode-switch label span{display:flex;flex-direction:column;border:1px solid #ccd4cf;border-radius:7px;padding:14px;cursor:pointer;background:white}.mode-switch input:checked+span{border-color:#8eaf39;box-shadow:inset 0 0 0 1px #8eaf39;background:#f7fce9}.mode-switch b{font-size:13px}.mode-switch small{font-size:10px;color:#7c898b;margin-top:4px}.addon-fields{margin-top:20px;padding:18px;background:#eef1ec;border-radius:7px}.addon-fields label:last-child{margin-bottom:0}.meta{color:#7d898b;font-size:11px;min-height:16px}.admin-modal{width:min(600px,calc(100% - 28px))}.user-list{margin-top:22px;border-top:1px solid var(--line)}.user-row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:14px;padding:13px 2px;border-bottom:1px solid var(--line);font-size:13px}.user-row span{display:flex;flex-direction:column;font-weight:700}.user-row small{color:var(--muted);font-weight:400;margin-top:3px}.admin-badge{font-size:9px;color:#506916;background:#e3f5b4;padding:4px 6px;border-radius:3px}.delete-user{border:0;color:#a02e25;background:transparent}.toast{position:fixed;z-index:3000;left:50%;bottom:28px;transform:translate(-50%,30px);opacity:0;color:white;background:#0b171d;border-left:4px solid var(--lime);padding:12px 18px;border-radius:5px;box-shadow:var(--shadow);transition:.25s;pointer-events:none;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:800px){.auth-shell{display:block}.auth-visual{display:none}.auth-panel{min-height:100%;padding:30px 22px}.mobile-brand{display:flex;align-items:center;gap:10px;margin-bottom:48px;font-weight:800}.topbar{height:auto;min-height:70px;grid-template-columns:1fr auto;padding:12px 14px}.app-brand span:last-child{display:none}.search-wrap{grid-row:2;grid-column:1/-1;margin-bottom:2px}.user-controls #user-name{display:none}.stats-card{top:16px;left:12px;transform:scale(.88);transform-origin:top left}.legend{bottom:15px;white-space:nowrap}.mode-switch{grid-template-columns:1fr}.modal{padding:23px}}