:root{
  --bg:#14110e; --bg2:#1d1914; --line:#3a3228; --text:#e6dccb; --dim:#9c9078; --accent:#d9893b; --accent2:#f0b35e;
  --ok:#7fae5c; --bad:#c4553f; --scrap:#b9794a; --water:#58a3b5; --r:10px;
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.4 system-ui,"Segoe UI",Roboto,sans-serif;overflow:hidden}
button{font:inherit;color:inherit;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;cursor:pointer}
button:hover:not(:disabled){border-color:var(--accent)}
button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);color:#1a120a;border-color:var(--accent);font-weight:700}
button.mini{padding:6px 10px;min-width:36px}
.screen{position:fixed;inset:0;display:flex;flex-direction:column}
[hidden]{display:none!important}

#auth{align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#2a2218 0%,var(--bg) 70%)}
.auth-box{width:min(380px,92vw);padding:28px 24px;background:rgba(29,25,20,.92);border:1px solid var(--line);border-radius:14px}
.auth-box h1{margin:0;letter-spacing:.28em;font-weight:800;color:var(--accent2);font-size:28px;text-align:center}
.auth-box .sub{margin:4px 0 20px;text-align:center;color:var(--dim)}
label{display:block;margin-bottom:12px;color:var(--dim);font-size:13px}
input{display:block;width:100%;margin-top:4px;padding:11px 12px;background:#0f0d0a;color:var(--text);border:1px solid var(--line);border-radius:8px;font:inherit}
input:focus{outline:2px solid var(--accent);border-color:transparent}
.row{display:flex;gap:10px}.row button{flex:1}
.msg{min-height:1.4em;margin:12px 0 0;color:var(--bad);font-size:13px}

#topbar{display:flex;align-items:center;gap:14px;padding:calc(8px + var(--safe-t)) 12px 8px;background:var(--bg2);border-bottom:1px solid var(--line);z-index:3}
.res{display:flex;align-items:baseline;gap:6px;white-space:nowrap}
.res b{font-size:18px;font-variant-numeric:tabular-nums}
.res small{color:var(--dim);font-size:11px}
.ico{display:inline-block;width:12px;height:12px;border-radius:3px;align-self:center}
.ico.scrap{background:var(--scrap)}.ico.water{background:var(--water);border-radius:50% 50% 50% 0;transform:rotate(-45deg)}
.cap{margin-left:auto;color:var(--dim);font-size:12px}
#stage{position:relative;flex:1;min-height:0;background:#0d0b09}
#view{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}
#view:active{cursor:grabbing}
#hint{position:absolute;left:10px;bottom:8px;color:var(--dim);font-size:12px;pointer-events:none;text-shadow:0 1px 2px #000}
#queueBar{padding:8px 12px;background:#231d15;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px}
#queueBar .bar{flex:1;height:8px;background:#0f0d0a;border-radius:4px;overflow:hidden}
#queueBar .bar i{display:block;height:100%;background:var(--accent);width:0}
#tabs{display:flex;background:var(--bg2);border-top:1px solid var(--line);padding-bottom:var(--safe-b);z-index:3}
#tabs button{flex:1;border:0;border-radius:0;background:none;padding:13px 4px;color:var(--dim);position:relative}
#tabs button.on{color:var(--accent2);box-shadow:inset 0 2px 0 var(--accent)}
#expDot{position:absolute;top:8px;right:20%;width:8px;height:8px;border-radius:50%;background:var(--ok)}

#panel{position:absolute;left:0;right:0;bottom:calc(52px + var(--safe-b));max-height:62%;overflow:auto;background:rgba(29,25,20,.97);border-top:1px solid var(--accent);padding:14px 14px 16px;z-index:2;box-shadow:0 -10px 30px rgba(0,0,0,.5)}
#panelClose{position:absolute;right:6px;top:6px;min-width:44px;min-height:44px;font-size:22px;line-height:1;padding:0}
#panelBody{padding-right:44px}
#panelBody h2{margin:0 0 4px;font-size:18px;color:var(--accent2)}
#panelBody p{margin:4px 0 10px;color:var(--dim)}
.cost{display:flex;gap:14px;margin:8px 0;font-variant-numeric:tabular-nums}
.cost .no{color:var(--bad)}
.card{border:1px solid var(--line);border-radius:var(--r);padding:12px;margin:0 0 10px;background:#18140f}
.card h3{margin:0 0 4px;font-size:15px}
.tag{display:inline-block;padding:1px 8px;border-radius:99px;background:#2b241b;color:var(--dim);font-size:12px;margin-right:6px}
.ok{color:var(--ok)}.bad{color:var(--bad)}.dim{color:var(--dim)}
.risks{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.risks button{text-align:left;line-height:1.35}
.sectorgrid{display:grid;gap:2px;margin:10px 0}
.sectorgrid i{display:block;aspect-ratio:1;border-radius:2px;background:#262018}
.sectorgrid i.k{background:#4b5a3a}.sectorgrid i.h{background:var(--accent2)}
#toast{position:fixed;left:50%;top:calc(60px + var(--safe-t));transform:translate(-50%,-20px);background:#2b241b;border:1px solid var(--accent);padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:10;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.err{border-color:var(--bad)}
@media (min-width:900px){#panel{left:auto;right:16px;bottom:72px;width:420px;border:1px solid var(--accent);border-radius:12px}}

details.desc summary{cursor:pointer;color:var(--dim);font-size:13px;list-style:none;padding:2px 0}
details.desc summary::before{content:'▸ '}details.desc[open] summary::before{content:'▾ '}
#panelBody p.eff{margin:2px 0 6px;color:var(--text)}
@media (max-width:899px){
  #panel{max-height:56%;padding:10px 12px 12px}
  #panel.sel{max-height:38%}
  #panel.sel #panelBody h2{font-size:16px;margin-bottom:2px}
  #panel.sel #panelBody p{margin:2px 0 6px}
  #panel.sel .card{padding:8px 10px;margin:0}
  #panel.sel .card h3{font-size:14px}
  #panel.sel .cost{margin:4px 0;gap:10px;flex-wrap:wrap}
  #panel.sel .card button.primary{width:100%;padding:11px}
  #panel.sel .card p{margin:6px 0 0}
  #hint{display:none}
}

/* wnętrze budynku */
#interior{position:absolute;inset:0;background:#0d0b09;z-index:4}
#intView{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}
#intHead{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:12px;padding:8px 10px;z-index:2;background:linear-gradient(#0d0b09cc,#0d0b0900);pointer-events:none}
#intHead>*{pointer-events:auto}
#intTitle{color:var(--accent2);font-size:16px}
#intPanel{position:absolute;left:0;right:0;bottom:0;max-height:42%;overflow:auto;background:rgba(29,25,20,.97);border-top:1px solid var(--accent);padding:12px 14px 14px;z-index:2;box-shadow:0 -10px 30px rgba(0,0,0,.5)}
#intBody h2{margin:0 0 2px;font-size:17px;color:var(--accent2)}
#intBody p{margin:3px 0 8px;color:var(--dim)}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin:8px 0}
.opts button{text-align:left;padding:9px 10px}
.opts button.cur{border-color:var(--accent2);background:#2b241b}
.opts button small{display:block;color:var(--dim);font-size:12px;margin-top:2px}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.seg button{padding:8px 12px}.seg button.cur{border-color:var(--accent2);background:#2b241b;color:var(--accent2)}
.meter{height:8px;background:#0f0d0a;border-radius:4px;overflow:hidden;margin:3px 0 8px}
.meter i{display:block;height:100%;background:var(--accent)}
.meter.w i{background:var(--water)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
@media (min-width:900px){#intPanel{left:auto;right:12px;bottom:12px;width:380px;border:1px solid var(--accent);border-radius:12px;max-height:70%}}

/* widok 3D */
#view3d{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab;display:block;z-index:1}
#view3d[hidden],#ov3d[hidden],#ctl3d[hidden]{display:none}
#ov3d{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:2}
.lbl3d{position:absolute;left:0;top:0;padding:2px 8px;border-radius:4px;background:rgba(20,17,14,.72);color:#e9e2d0;font:600 12px system-ui,sans-serif;white-space:nowrap;border:1px solid rgba(240,179,94,.25);will-change:transform}
.lbl3d.on{border-color:#f0b35e;color:#fff}
.lbl3d.build{border-color:#d9893b;background:rgba(60,38,16,.82)}
.fps3d{position:absolute;left:8px;top:6px;font:11px ui-monospace,Consolas,monospace;color:#cfd6c8;background:rgba(10,12,10,.55);padding:2px 6px;border-radius:3px}
#ctl3d{position:absolute;right:8px;top:6px;display:flex;gap:4px;z-index:3}
#ctl3d .mini{min-width:34px;min-height:34px;font-size:16px}
@media (max-width:460px){#topbar{gap:8px;padding-left:8px;padding-right:8px}#topbar .mini{min-width:32px;padding:6px 7px}.res small{display:none}.cap{font-size:11px;line-height:1.1}}