:root{
    --bg:#070b14; --panel:rgba(14,20,34,.86); --line:rgba(120,150,200,.18);
    --fg:#e8eef8; --dim:#8fa3c0; --acc:#5ee0c8; --acc2:#ffb454; --acc3:#ff6b9d;
    --nord:#7db8ff; --sued:#ff8a5c;
    --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box}
  html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);
    font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow:hidden}
  canvas#gl{display:block;width:100%;height:100%;cursor:grab}
  canvas#gl.drag{cursor:grabbing}
  #ui{position:fixed;inset:0;pointer-events:none;display:flex;justify-content:space-between;padding:14px;gap:14px}
  .panel{pointer-events:auto;background:var(--panel);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:14px;padding:14px 15px;width:308px;
    max-height:calc(100vh - 28px);overflow-y:auto;box-shadow:0 18px 50px rgba(0,0,0,.5)}
  .panel::-webkit-scrollbar{width:8px}
  .panel::-webkit-scrollbar-thumb{background:rgba(120,150,200,.25);border-radius:4px}
  h1{font-size:15px;margin:0 0 2px;letter-spacing:.02em}
  .sub{font-size:11.5px;color:var(--dim);line-height:1.5;margin:0 0 14px}
  h2{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--dim);
    margin:16px 0 8px;font-weight:600;border-top:1px solid var(--line);padding-top:12px}
  h2:first-of-type{border-top:none;padding-top:0;margin-top:0}
  label.row{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;margin-bottom:5px}
  label.row b{font-family:var(--mono);color:var(--acc);font-weight:600;font-size:12px}
  input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:3px;border-radius:2px;
    background:rgba(120,150,200,.25);outline:none;margin:0 0 12px}
  input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
    background:var(--acc);cursor:pointer;box-shadow:0 0 0 4px rgba(94,224,200,.15)}
  input[type=range]::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--acc);cursor:pointer}
  .seg{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-bottom:4px}
  .seg.three{grid-template-columns:1fr 1fr 1fr}
  .seg button,.btn{pointer-events:auto;font:inherit;font-size:11.5px;padding:7px 6px;border-radius:8px;cursor:pointer;
    background:rgba(120,150,200,.09);color:var(--dim);border:1px solid transparent;transition:.15s}
  .seg button:hover,.btn:hover{background:rgba(120,150,200,.16);color:var(--fg)}
  .seg button.on{background:rgba(94,224,200,.14);color:var(--acc);border-color:rgba(94,224,200,.4)}
  .btn.primary{width:100%;background:rgba(94,224,200,.14);color:var(--acc);border-color:rgba(94,224,200,.4);
    font-weight:600;padding:9px}
  .chk{display:flex;align-items:center;gap:8px;font-size:12px;margin:7px 0;cursor:pointer;color:var(--dim)}
  .chk input{accent-color:var(--acc);width:14px;height:14px;cursor:pointer}
  .chk:hover{color:var(--fg)}
  .stats{display:grid;grid-template-columns:1fr auto;gap:3px 10px;font-size:12px;font-family:var(--mono)}
  .stats span:nth-child(odd){color:var(--dim);font-family:inherit;font-size:11.5px}
  .stats span:nth-child(even){text-align:right}
  .legend{display:flex;align-items:center;gap:8px;font-size:11.5px;margin:6px 0;color:var(--dim)}
  .sw{width:12px;height:12px;border-radius:3px;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
  pre{font-family:var(--mono);font-size:11px;line-height:1.6;background:rgba(0,0,0,.35);
    border:1px solid var(--line);border-radius:9px;padding:10px;margin:0;overflow-x:auto;color:#bcd}
  .k{color:var(--acc2)} .s{color:var(--acc)} .n{color:var(--acc3)} .c{color:#6b7f9e}
  .hint{font-size:11px;color:var(--dim);line-height:1.55;margin:8px 0 0}
  .hint b{color:var(--fg);font-weight:600}
  .warn{color:var(--acc2)}
  .steps{counter-reset:s;margin:0;padding:0;list-style:none}
  .steps li{position:relative;padding-left:26px;font-size:11.5px;color:var(--dim);line-height:1.5;margin-bottom:9px}
  .steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:17px;height:17px;
    border-radius:50%;background:rgba(94,224,200,.14);color:var(--acc);font-size:10px;font-weight:700;
    display:flex;align-items:center;justify-content:center;font-family:var(--mono)}
  .steps b{color:var(--fg);font-weight:600}
  #busy{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--panel);
    border:1px solid var(--line);border-radius:10px;padding:10px 18px;font-size:12px;color:var(--acc);
    font-family:var(--mono);display:none;pointer-events:none;z-index:60}
  #tip{position:fixed;pointer-events:none;background:rgba(7,11,20,.94);border:1px solid var(--line);
    border-radius:8px;padding:6px 9px;font-size:11px;font-family:var(--mono);color:var(--fg);display:none;
    white-space:nowrap;transform:translate(12px,12px);z-index:15}
  #err{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:40px;
    text-align:center;font-size:14px;color:var(--acc3);line-height:1.6}
  /* ---- Karten-Overlays (Layer 2, 2.5, 3, 4) ---- */
  #atlas{position:fixed;inset:0;background:rgba(5,8,14,.97);z-index:30;display:none;flex-direction:column}
  #atlas.open{display:flex}
  #regionview{position:fixed;inset:0;background:rgba(5,8,14,.98);z-index:35;display:none;flex-direction:column}
  #regionview.open{display:flex}
  #tileview{position:fixed;inset:0;background:rgba(5,8,14,.98);z-index:40;display:none;flex-direction:column}
  #tileview.open{display:flex}
  #play{position:fixed;inset:0;background:#04070d;z-index:50;display:none;flex-direction:column}
  #play.open{display:flex}
  #rvWrap{flex:1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:18px}
  canvas#regionMap{border-radius:10px;box-shadow:0 0 0 1px var(--line),0 24px 70px rgba(0,0,0,.6);cursor:pointer}
  #rvSide{position:absolute;right:14px;top:14px;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:12px 14px;font-size:11.5px;color:var(--dim);width:265px;max-height:calc(100vh - 80px);overflow-y:auto;line-height:1.55}
  #rvSide h3{margin:0 0 8px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
  canvas#pv{position:absolute;inset:0;width:100%;height:100%;display:block}
  #pvHud{position:absolute;left:14px;bottom:14px;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:12px 14px;font-size:11.5px;color:var(--dim);width:250px;line-height:1.6}
  #pvHud h3{margin:0 0 8px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
  #pvHud b{color:var(--fg);font-weight:600}
  #pvHud .kv{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;font-family:var(--mono);font-size:11px}
  #pvHud .kv span:nth-child(odd){color:#6b7f9e;font-family:inherit}
  #pvKeys{position:absolute;right:14px;bottom:14px;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:11px 13px;font-size:11px;color:var(--dim);line-height:1.7}
  #pvKeys kbd{font-family:var(--mono);background:rgba(120,150,200,.14);border-radius:4px;padding:1px 5px;color:var(--fg)}
  #pvSeam{position:absolute;left:50%;top:64px;transform:translateX(-50%);background:rgba(255,138,92,.14);
    border:1px solid rgba(255,138,92,.45);color:var(--sued);border-radius:20px;padding:6px 16px;
    font-size:11.5px;font-family:var(--mono);display:none;letter-spacing:.04em}
  #pvSeam.on{display:block}
  .crumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--dim)}
  .crumb b{color:var(--fg)}
  .crumb .sep{color:rgba(120,150,200,.45)}
  .crumb .cur{color:var(--acc)}
  .tag{font-family:var(--mono);font-size:10px;letter-spacing:.08em;padding:3px 8px;border-radius:20px;
    background:rgba(94,224,200,.13);color:var(--acc);border:1px solid rgba(94,224,200,.32)}
  .tag.dn{background:rgba(255,138,92,.13);color:var(--sued);border-color:rgba(255,138,92,.32)}
  #atlasBar{display:flex;align-items:center;gap:10px 12px;padding:9px 14px;border-bottom:1px solid var(--line);
    font-size:12px;color:var(--dim);flex-wrap:wrap;background:var(--bg);position:relative;z-index:2}
  #atlasBar b{color:var(--fg)}
  #atlasBar .pill{font-family:var(--mono);font-size:10.5px;background:rgba(120,150,200,.1);
    padding:4px 8px;border-radius:20px;color:var(--dim);white-space:nowrap}
  #atlasBar .pill b{color:var(--acc)}
  #atlasBar .btn{padding:5px 12px}
  #atlasWrap{flex:1;position:relative;overflow:hidden}
  #tvWrap{flex:1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:18px}
  canvas#tile{image-rendering:pixelated;border-radius:10px;box-shadow:0 0 0 1px var(--line),0 24px 70px rgba(0,0,0,.6)}
  #tvSide{position:absolute;right:14px;top:14px;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:12px 14px;font-size:11.5px;color:var(--dim);width:250px;line-height:1.55}
  #tvSide h3{margin:0 0 8px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
  canvas#map{position:absolute;inset:0;width:100%;height:100%;cursor:grab}
  canvas#map.drag{cursor:grabbing}
  #atlasLeg{position:absolute;left:14px;bottom:14px;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:12px 14px;font-size:11.5px;color:var(--dim);max-width:330px;line-height:1.55}
  #atlasLeg h3{margin:0 0 8px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
  @media(max-width:900px){#ui{flex-direction:column;overflow:auto}.panel{width:auto;max-height:none}}