:root{--bg:#07111f;--panel:#0d1a2b;--panel2:#101f32;--border:#1d3048;--text:#eef5ff;--muted:#8fa3bb;--accent:#5bb7ff;--accent2:#8b7cff;--good:#40d69a;--warn:#ffc857;--bad:#ff6b7a;--shadow:0 18px 55px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 10% -10%,rgba(91,183,255,.13),transparent 35%),radial-gradient(circle at 90% 0%,rgba(139,124,255,.12),transparent 30%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}.topbar{height:72px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.06);background:rgba(7,17,31,.82);backdrop-filter:blur(18px);position:sticky;top:0;z-index:1000}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111e;font-size:19px}.brand strong{display:block;letter-spacing:.08em;font-size:15px}.brand small{color:var(--muted);font-size:9px;letter-spacing:.25em}.top-actions{display:flex;gap:10px;align-items:center}.pill{padding:7px 11px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px}.pill i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--good);margin-right:7px}.icon-btn,.swap{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:10px;cursor:pointer}.icon-btn{width:36px;height:36px;font-size:20px}.shell{width:min(1400px,calc(100% - 40px));margin:0 auto;padding:52px 0 70px}.hero{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:28px}.eyebrow{margin:0 0 7px;color:var(--accent);font-size:10px;letter-spacing:.2em;font-weight:800}h1{font-size:clamp(30px,4vw,50px);line-height:1.02;margin:0 0 10px;letter-spacing:-.04em}h2{margin:0;font-size:18px}.muted{color:var(--muted)}.utc-box{border:1px solid var(--border);background:rgba(13,26,43,.7);padding:13px 18px;border-radius:14px;text-align:right;min-width:120px}.utc-box span{display:block;color:var(--muted);font-size:10px;letter-spacing:.14em}.utc-box strong{font-size:22px}.card{background:linear-gradient(180deg,rgba(16,31,50,.94),rgba(11,24,40,.94));border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.route-card{padding:20px;margin-bottom:16px}.route-fields{display:grid;grid-template-columns:1fr 40px 1fr 1.4fr auto;gap:10px;align-items:end}label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}label em{font-style:normal;text-transform:none;letter-spacing:0;font-size:10px;opacity:.65}input{width:100%;border:1px solid var(--border);background:#091525;color:var(--text);outline:none;border-radius:11px;padding:13px 14px;text-transform:uppercase}input[type=datetime-local]{text-transform:none}input:focus{border-color:rgba(91,183,255,.7);box-shadow:0 0 0 3px rgba(91,183,255,.1)}.swap{height:44px;font-size:20px}.primary{height:44px;border:0;border-radius:11px;padding:0 20px;cursor:pointer;color:#06111e;font-weight:800;background:linear-gradient(135deg,var(--accent),#8bd0ff)}.route-summary{display:flex;justify-content:space-between;margin-top:14px;color:var(--muted);font-size:12px}.flight-plan{display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:10px;margin-top:12px;padding-top:14px;border-top:1px solid rgba(255,255,255,.05)}.eta-box{align-self:end;height:44px;padding:7px 13px;border:1px solid var(--border);border-radius:11px;background:#091525}.eta-box span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.eta-box strong{font-size:14px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.metric{padding:18px}.metric span,.metric small{color:var(--muted);display:block;font-size:11px}.metric strong{display:block;font-size:26px;margin:7px 0 4px}.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(300px,1fr);gap:16px}.main-col,.side-col{display:grid;gap:16px;align-content:start}.map-card{overflow:hidden}.card-head{padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:15px}.legend{color:var(--muted);font-size:10px;white-space:nowrap}.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin:0 4px 0 9px}.dot:first-child{margin-left:0}.good{background:var(--good)}.warn{background:var(--warn)}.bad{background:var(--bad)}#map{height:430px;background:#0a1625}.weather-list{border-top:1px solid var(--border)}.weather-list.empty,.taf-list.empty,.alert-list.empty{padding:25px 20px;color:var(--muted)}.weather-row{display:grid;grid-template-columns:90px 65px 1fr 90px 80px;gap:12px;align-items:center;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.05)}.station{font-weight:800}.cat{font-size:10px;font-weight:800;letter-spacing:.08em}.cat.VFR{color:var(--good)}.cat.MVFR{color:var(--warn)}.cat.IFR,.cat.LIFR{color:var(--bad)}.value strong{display:block;font-size:14px}.value small{color:var(--muted);font-size:10px}.raw{grid-column:1/-1;color:var(--muted);font-family:ui-monospace,monospace;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.taf-list{padding:0 20px}.taf-item{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.05)}.taf-item:last-child{border:0}.taf-item strong{font-size:13px}.taf-item pre,.alert-item pre{white-space:pre-wrap;margin:8px 0 0;color:#aebed1;font:10px/1.5 ui-monospace,monospace}.alert-list{border-top:1px solid var(--border);max-height:350px;overflow:auto}.alert-item{padding:13px 20px;border-bottom:1px solid rgba(255,255,255,.05)}.alert-item strong{font-size:12px}.alert-item small{color:var(--muted);display:block;margin-top:4px}.module-note{padding:20px;color:var(--muted);font-size:12px;line-height:1.55}.safety-card ul{list-style:none;padding:0 20px;margin:0}.safety-card li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05);color:#c4d2e2;font-size:12px}.safety-card li span{color:var(--good)}.warning{margin:18px;padding:14px;border-radius:12px;background:rgba(255,200,87,.07);border:1px solid rgba(255,200,87,.18)}.warning strong{color:var(--warn);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.warning p{color:var(--muted);font-size:11px;line-height:1.5;margin:7px 0 0}footer{padding:22px 28px;border-top:1px solid rgba(255,255,255,.06);color:#60758d;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.05em}.leaflet-container{font:inherit}.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:#0d1a2b;color:#eef5ff}.leaflet-popup-content{margin:12px 14px}.marker-label{font-weight:800}@media(max-width:1050px){.route-fields{grid-template-columns:1fr 40px 1fr}.route-fields label:nth-of-type(3){grid-column:1/-1}.route-fields .primary{grid-column:1/-1}.grid{grid-template-columns:1fr}}@media(max-width:900px){
  .topbar{padding:0 12px}
  .brand strong{font-size:14px}
  .shell{width:calc(100% - 20px);padding:24px 0 45px}
  .hero{align-items:flex-start;gap:12px;margin-bottom:18px}
  h1{font-size:clamp(24px,6vw,34px)}
  .utc-box{display:none}

  .route-card{padding:14px;border-radius:14px}
  .route-fields,.flight-plan{grid-template-columns:1fr;gap:9px}
  .route-fields .swap{display:none}
  .route-fields .primary{grid-column:auto}

  .metrics{grid-template-columns:1fr 1fr;gap:8px}
  .metric{padding:12px}

  .grid{grid-template-columns:1fr;gap:12px}
  .main-col,.side-col{gap:12px}
  .sigmet-full{grid-column:1}

  .card{border-radius:14px}
  .card-head{padding:13px 14px}
  h2{font-size:16px}
  .legend{white-space:normal;text-align:right}

  #map{height:300px}
  .weather-row{grid-template-columns:1fr 1fr;gap:8px;padding:13px 14px}
  .weather-row .raw{grid-column:1/-1;overflow-wrap:anywhere}
  .taf-list.empty,.alert-list.empty,.weather-list.empty{padding:18px 14px}

  .alert-summary{gap:7px}
  .alert-summary span{padding:8px 9px}

  footer{flex-direction:column;gap:6px}
}

@media(max-width:560px){
  .topbar{height:54px}
  .brand small{display:none}
  .shell{width:calc(100% - 14px);padding-top:18px}
  .hero{margin-bottom:14px}
  .hero .muted{font-size:12px;line-height:1.4}
  h1{font-size:25px}

  .metrics{grid-template-columns:1fr 1fr}
  .metric strong{font-size:18px}

  #map{height:270px}
  .weather-row{grid-template-columns:1fr;padding:12px 13px}
  .weather-row .raw{grid-column:auto}

  .card-head{padding:12px 13px}
  .route-card{padding:12px}
  input,button{min-height:42px}
}

/* v2 enhancements */
.button-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.secondary{border:1px solid var(--border,#334155);background:transparent;color:inherit;padding:10px 14px;border-radius:10px;cursor:pointer}
.utc-clock{font-variant-numeric:tabular-nums;opacity:.7;font-size:.82rem;margin-left:auto}
.status,.muted{opacity:.7;font-size:.85rem}
.alerts{display:grid;gap:12px}
.alert-summary{display:flex;gap:12px;flex-wrap:wrap}
.alert-summary span{padding:10px 12px;border:1px solid var(--border,#334155);border-radius:10px}
.alert-item{padding:13px;border:1px solid var(--border,#334155);border-radius:12px;background:rgba(255,255,255,.02)}
.alert-item strong{display:block;margin-bottom:5px}
.alert-item small{display:block;line-height:1.45;opacity:.8}
.empty{padding:18px;border:1px dashed var(--border,#334155);border-radius:12px;opacity:.7}
@media print{
  body{background:#fff!important;color:#111!important}
  .no-print,button,.map-section,.route-controls{display:none!important}
  .card,.section,.weather-card{break-inside:avoid}
}
@media(max-width:720px){
  .utc-clock{width:100%;margin-left:0}
  .button-row{width:100%}
  .button-row button{flex:1}
}

/* v3 Europe weather map */
.weather-map-controls{margin-top:14px;padding:16px;border:1px solid var(--border,#334155);border-radius:14px;background:rgba(255,255,255,.025)}
.layer-panel{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.layer-toggle,.layer-checks label{display:inline-flex;align-items:center;gap:7px;padding:8px 10px;border:1px solid var(--border,#334155);border-radius:9px;font-size:.9rem;cursor:pointer}
.flight-level{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.flight-level select{background:inherit;color:inherit;border:1px solid var(--border,#334155);padding:8px;border-radius:8px}
.layer-checks{display:flex;gap:8px;flex-wrap:wrap}
.wind-profile{min-height:60px}
.wind-raw{white-space:pre-wrap;padding:14px;border:1px solid var(--border,#334155);border-radius:10px}
@media(max-width:720px){.layer-panel,.flight-level{align-items:stretch}.layer-toggle{flex:1}.flight-level select{width:100%}}


/* v4 airport/place search */
.airport-search{position:relative;min-width:0}
.airport-results{position:absolute;z-index:1200;left:0;right:0;top:calc(100% + 5px);max-height:320px;overflow:auto;background:#0b1829;border:1px solid rgba(110,180,240,.28);border-radius:12px;box-shadow:0 18px 45px rgba(0,0,0,.38);padding:5px}
.airport-result{width:100%;display:grid;grid-template-columns:72px 1fr;gap:10px;text-align:left;border:0;background:transparent;color:inherit;padding:10px;border-radius:9px;cursor:pointer}
.airport-result:hover,.airport-result:focus{background:rgba(91,183,255,.1);outline:none}
.airport-codes{display:flex;flex-direction:column;gap:2px}
.airport-codes b{font-size:12px;letter-spacing:.06em}
.airport-codes em{font-style:normal;color:var(--accent);font-size:10px}
.airport-main{display:flex;flex-direction:column;gap:3px;min-width:0}
.airport-main strong{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.airport-main small{color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.airport-empty{padding:12px;color:var(--muted);font-size:11px}
.search-hint{margin-top:10px;color:var(--muted);font-size:10px}
.search-hint strong{color:#b9d8f2;font-weight:700}
.route-fields .airport-search{min-width:0}
@media(max-width:1050px){.route-fields .airport-search:nth-of-type(3){grid-column:1/-1}.airport-results{max-height:260px}}
@media(max-width:720px){.airport-results{position:fixed;left:12px;right:12px;top:auto;max-height:42vh}.search-hint{line-height:1.5}}

/* v4.1 route resolution feedback */
.airport-search input[data-icao]{border-color:rgba(87,205,255,.42)}


/* V5.2: SIGMET / G-AIRMET full-width below both dashboard columns */
.sigmet-full{grid-column:1/-1;width:100%;}

/* V5.3 mobile hardening */
html,body{max-width:100%;overflow-x:hidden}
img,svg,canvas{max-width:100%}
.card,.route-card,.map-card{min-width:0}
.airport-results{max-width:calc(100vw - 28px)}