:root{
  --bg:#0e1116; --panel:#161b22; --panel2:#1c2330; --line:#2a3342;
  --txt:#e6edf3; --muted:#8b98a9; --accent:#4ade80; --danger:#ef4444;
  --gold:#fbbf24; --blue:#38bdf8;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg); color:var(--txt);
  font-family:"Segoe UI",system-ui,Roboto,Arial,sans-serif;
  overflow:hidden; user-select:none;
}
#app{display:flex;flex-direction:column;height:100vh}

#topbar{
  display:flex;align-items:center;gap:16px;padding:10px 16px;
  background:linear-gradient(180deg,#1a2130,#12161d);
  border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.brand{font-weight:800;letter-spacing:1px;font-size:18px;display:flex;align-items:center;gap:8px}
.brand span{color:var(--accent)}
.stats{display:flex;gap:14px;flex:1;flex-wrap:wrap}
.stat{display:flex;align-items:center;gap:6px;background:var(--panel2);
  padding:6px 12px;border-radius:10px;border:1px solid var(--line);font-weight:700;font-size:15px}
.stat .ico{font-size:15px}
.ctrls{display:flex;gap:8px}

.btn{cursor:pointer;border:1px solid var(--line);background:var(--panel2);
  color:var(--txt);padding:8px 14px;border-radius:10px;font-weight:700;font-size:14px;
  transition:.12s}
.btn:hover{border-color:var(--accent);transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:#062611;border-color:transparent}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
select.btn{appearance:none;-webkit-appearance:none;padding-right:14px}
select.btn option{background:var(--panel);color:var(--txt)}

#main{display:flex;flex:1;min-height:0}
#sidebar{width:230px;background:var(--panel);border-right:1px solid var(--line);
  padding:12px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.panel-title{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);
  font-weight:800;margin-top:4px}
#tools{display:flex;flex-direction:column;gap:7px}
.tool{display:flex;align-items:center;gap:10px;background:var(--panel2);
  border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;transition:.12s}
.tool:hover{border-color:var(--accent)}
.tool.active{border-color:var(--accent);box-shadow:0 0 0 2px rgba(74,222,128,.25) inset;background:#17251c}
.tool .t-ico{font-size:20px;width:26px;text-align:center}
.tool .t-body{flex:1;min-width:0}
.tool .t-name{font-weight:700;font-size:13px}
.tool .t-cost{font-size:11px;color:var(--gold);font-weight:700}
.tool.cant .t-cost{color:var(--danger)}
#info{font-size:12px;color:var(--muted);line-height:1.5;background:var(--panel2);
  border:1px solid var(--line);border-radius:10px;padding:10px;min-height:48px}
.hint{font-size:11px;color:var(--muted);line-height:1.5;opacity:.8}

#stage{flex:1;position:relative;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 40%,#12171f,#0a0d12);overflow:hidden;min-height:0}
#game{background:#0d1a12;display:block;touch-action:none}

#overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(6,9,13,.82);backdrop-filter:blur(3px)}
#overlay.hidden{display:none}
.ov-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:32px 40px;text-align:center;max-width:420px}
.ov-card h1{margin:0 0 10px;font-size:34px}
.ov-card p{color:var(--muted);line-height:1.6;margin:0 0 20px}

/* ---- Hilfe / Anleitung ---- */
#help{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  background:rgba(6,9,13,.86);backdrop-filter:blur(3px);padding:16px}
#help.hidden{display:none}
.help-card{position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:26px 30px;max-width:720px;width:100%;max-height:92vh;overflow-y:auto}
.help-card h1{margin:0 0 16px;font-size:26px}
.help-card h2{font-size:15px;margin:14px 0 6px;color:var(--accent)}
.help-card p{margin:0;color:#cdd6e0;line-height:1.6;font-size:14px}
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
.help-tools{list-style:none;padding:0;margin:6px 0 0;display:flex;flex-direction:column;gap:7px}
.help-tools li{background:var(--panel2);border:1px solid var(--line);border-radius:10px;
  padding:9px 12px;font-size:13.5px;line-height:1.5;color:#cdd6e0}
.help-tools b{color:var(--txt)}
.help-x{position:absolute;top:12px;right:14px;background:transparent;border:none;color:var(--muted);
  font-size:20px;cursor:pointer;line-height:1}
.help-x:hover{color:var(--txt)}
.help-go{margin:20px auto 0;display:block;font-size:16px;padding:11px 26px}
@media (max-width:640px){ .help-grid{grid-template-columns:1fr} .help-card{padding:20px} }

.mobile-only{display:none}
.btn{touch-action:manipulation}          /* kein Doppeltipp-Zoom auf Buttons */

/* ---- Handy / schmale ODER flache Bildschirme: Werkzeugleiste unter das Spielfeld ---- */
@media (max-width:820px), (max-height:540px){
  #app{height:100dvh}                    /* echte sichtbare Höhe (Browserleisten) */
  #topbar{gap:6px;padding:6px 8px}
  #main{flex-direction:column}
  #stage{order:1}
  #sidebar{order:2;width:100%;height:auto;flex-direction:row;overflow-x:auto;
    overflow-y:hidden;border-right:none;border-top:1px solid var(--line);
    gap:8px;padding:8px;align-items:stretch;-webkit-overflow-scrolling:touch}
  #sidebar .panel-title,#info,.hint{display:none}
  #tools{flex-direction:row;gap:8px}
  .tool{flex-direction:column;min-width:74px;text-align:center;gap:3px;padding:9px 8px}
  .tool .t-ico{width:auto;font-size:22px}
  .tool .t-name{font-size:12px}
  .tool .t-cost{font-size:11px}

  .brand span{display:none}              /* Platz in der Kopfzeile sparen */
  .brand{font-size:20px}
  .stats{gap:5px;flex:1 1 100%;order:3}  /* Stats in eigene Zeile, kompakt */
  .stat{padding:4px 8px;font-size:13px;border-radius:8px}
  .stat .ico{font-size:13px}
  .s-left,.s-income{display:none}        /* Sekundär-Infos ausblenden */

  .ctrls{gap:5px;flex-wrap:wrap;justify-content:flex-end}
  .btn{padding:9px 10px;font-size:14px;min-height:40px}   /* größere Tap-Ziele */
  .lbl:not(.keep){display:none}          /* Buttons zu Icons */
  #speedBtn{min-width:44px}
  .mobile-only{display:inline-flex;align-items:center}
  select.btn{max-width:52px;padding:9px 6px}  /* Karte = nur Emoji */
}
/* Flache/Querformat-Bildschirme: Kopfzeile in EINE Zeile, kompakter, mehr Spielfläche */
@media (max-height:540px){
  .stats{flex:0 1 auto;order:0}          /* Stats zurück in die Zeile */
  .s-left{display:flex}
  #topbar{padding:5px 8px}
  .tool{min-width:62px;padding:6px 7px}
  .tool .t-ico{font-size:19px}
  #sidebar{padding:6px}
}