[hidden]{display:none!important}
/* Layout: notebook builder (paper + ink) beside a dark flight view; one top bar switches screens. */
:root{
  --paper:#f3f5fc; --ink:#14172a; --grid:#c9d2ec; --blue:#2a52d9; --red:#e8472f; --muted:#5b6490; --card:#ffffff; --space:#05070f; --ok:#1f9d55;
  --display:"Chakra Petch","Trebuchet MS",sans-serif; --mono:"DM Mono",ui-monospace,Menlo,monospace;
  color-scheme: light;
}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.35 var(--display);overflow:hidden}
*{box-sizing:border-box}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
#app{height:100%;display:flex;flex-direction:column}
#bar{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:2px solid var(--ink);background:var(--card);flex:none}
.brand{font-weight:700;letter-spacing:.14em;font-size:15px;margin-right:auto;white-space:nowrap}
.brand small{display:block;font-weight:500;letter-spacing:.06em;color:var(--muted);font-size:10px}
.nav{border:2px solid var(--ink);background:var(--card);padding:6px 12px;border-radius:6px;font-weight:600}
.nav.on{background:var(--ink);color:#fff}
section{flex:1;min-height:0;position:relative}
section[hidden]{display:none!important}
/* build */
#build{display:grid;grid-template-columns:minmax(260px,330px) 1fr}
#side{display:flex;flex-direction:column;min-height:0;border-right:2px solid var(--ink);background:var(--card)}
#tabs{display:flex;flex-wrap:wrap;gap:4px;padding:8px;border-bottom:1px solid var(--grid)}
.tab{border:1.5px solid var(--ink);background:var(--card);border-radius:5px;padding:3px 8px;font-size:12px;font-weight:600}
.tab.on{background:var(--blue);border-color:var(--blue);color:#fff}
#list{overflow:auto;padding:8px;flex:1;min-height:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}
.cell{display:flex;flex-direction:column;align-items:center;gap:2px;border:1.5px solid var(--ink);background:var(--paper);border-radius:6px;padding:6px 4px;min-width:0;text-align:center}
.cell:hover{background:#e6ebfb}
.ico{width:56px;height:56px}
.nm{font-size:11px;font-weight:600;line-height:1.15}
.sl{font:400 10px var(--mono);color:var(--muted)}
#stage{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0}
#bc{flex:1;min-height:0;width:100%;display:block;touch-action:manipulation}
#panel-b{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:8px 12px;border-top:2px solid var(--ink);background:var(--card)}
.stat{display:flex;flex-direction:column;min-width:64px}
.stat span{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stat b{font:500 15px var(--mono)}
#tip{flex:1 1 220px;font-size:12px;color:var(--muted)}
.acts{display:flex;gap:6px;flex-wrap:wrap}
.btn{border:2px solid var(--ink);background:var(--card);border-radius:6px;padding:6px 12px;font-weight:600}
.btn:disabled{opacity:.4;cursor:not-allowed}
.primary{background:var(--red);color:#fff;border-color:var(--ink)}
.btn.on{background:var(--ink);color:#fff}
.form{display:grid;gap:10px}
.form label{display:grid;gap:3px;font-size:12px;font-weight:600}
.form input[type=text],.form select{border:1.5px solid var(--ink);border-radius:5px;padding:6px;font:inherit;background:var(--card)}
.form input[type=color]{width:100%;height:34px;border:1.5px solid var(--ink);border-radius:5px;background:var(--card);padding:2px}
.pats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pat{border:1.5px solid var(--ink);border-radius:6px;padding:3px;background:var(--card)}
.pat.on{outline:3px solid var(--blue)}
.pat canvas{width:100%;height:auto;display:block;border-radius:3px}
.hint{font-size:12px;color:var(--muted);margin:8px 0}
.chk{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1.5px solid var(--ink);border-radius:6px;margin-bottom:8px;background:var(--paper)}
.chk input{width:20px;height:20px;margin-top:2px;accent-color:var(--blue)}
.chk small{color:var(--muted)}
/* flight */
#flight{background:var(--space)}
#fc,#mc{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.card{background:var(--paper);border:2px solid var(--ink);border-radius:8px;padding:8px 10px}
#hud{position:absolute;left:max(10px,env(safe-area-inset-left,0px));top:10px;width:min(210px,50vw);display:grid;gap:3px;font-size:12px}
#hud .r{display:flex;justify-content:space-between;gap:8px}
#hud .r span{color:var(--muted)}
#hud .r b{font:500 12px var(--mono)}
.meter{height:8px;border:1.5px solid var(--ink);border-radius:4px;background:#fff;overflow:hidden;margin:2px 0 4px}
.bar{height:100%;background:var(--blue);width:0}
.bar.hot{background:var(--red)}
#h-heat{background:#f1a23a}
#ctl{position:absolute;left:0;right:0;bottom:0;display:flex;gap:8px;align-items:flex-end;justify-content:space-between;padding:10px max(10px,env(safe-area-inset-right,0px)) 10px max(10px,env(safe-area-inset-left,0px));pointer-events:none;flex-wrap:wrap}
#ctl>*{pointer-events:auto}
.grp{display:flex;gap:6px;flex-wrap:wrap}
.grp .btn{padding:10px 14px;min-width:44px;user-select:none;touch-action:none}
#thrbox{position:absolute;right:max(10px,env(safe-area-inset-right,0px));top:10px;bottom:84px;width:58px;display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 4px}
#thr{writing-mode:vertical-lr;direction:rtl;flex:1;width:28px;accent-color:var(--red)}
#h-thr{font:500 12px var(--mono)}
#toast{position:absolute;left:50%;top:12px;transform:translateX(-50%);max-width:min(440px,70vw);text-align:center;font-weight:600;font-size:13px;z-index:3}
#over{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(5,7,15,.6);z-index:5;padding:16px}
#over[hidden]{display:none}
#over .card{max-width:380px;display:grid;gap:10px;text-align:center}
#over h2{margin:0;font-size:22px;color:var(--red)}
/* map */
#map{background:#070b1c}
#panel{position:absolute;right:max(10px,env(safe-area-inset-right,0px));top:10px;width:min(250px,46vw);max-height:calc(100% - 20px);overflow:auto;display:grid;gap:8px;align-content:start}
#panel h3{margin:0 0 2px;font-size:18px}
#panel h4{margin:6px 0 2px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
#panel p{margin:0 0 6px;font-size:12px}
dl{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:0 0 8px;font-size:12px}
dt{color:var(--muted)} dd{margin:0;font-family:var(--mono)}
#mlist{margin:0;padding:0;list-style:none;font-size:12px;display:grid;gap:2px}
#mlist li{padding-left:18px;position:relative}
#mlist li:before{content:"";position:absolute;left:0;top:3px;width:11px;height:11px;border:1.5px solid var(--ink);border-radius:3px;background:#fff}
#mlist li.ok:before{background:var(--ok);border-color:var(--ok)}
#mlist li.ok{color:var(--ok);font-weight:600}
#panel .btn{padding:5px 8px;font-size:12px}
@media (max-width:760px){
  #build{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) minmax(0,42%)}
  #stage{order:1} #side{order:2;border-right:0;border-top:2px solid var(--ink)}
  .brand small{display:none}
  .nav{padding:5px 8px;font-size:13px}
  #panel{top:auto;bottom:10px;width:calc(100% - 20px);max-height:46%}
  .stat{min-width:54px}
  #tip{flex-basis:100%;order:9}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}