/* style.css — Wolf Siege */
:root{
  --bg:#0d1419;
  --bg2:#111b22;
  --panel:#1a2630;
  --panel2:#22303c;
  --border:#2c3e4d;
  --text:#e8eef2;
  --muted:#8a9aa8;
  --gold:#f4c542;
  --green:#5fd07a;
  --red:#e0564f;
  --blue:#5ab0e6;
  --shadow:0 4px 18px rgba(0,0,0,0.35);
}
html[data-theme="light"]{
  --bg:#eef2f5; --bg2:#e2e8ed; --panel:#ffffff; --panel2:#f4f7f9;
  --border:#d3dde4; --text:#1c2b36; --muted:#5f7384;
  --shadow:0 4px 18px rgba(20,40,60,0.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; overflow:hidden;}
body{touch-action:manipulation}

#app{display:flex;flex-direction:column;height:100%;height:100dvh;}

/* HUD */
#hud{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 14px;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border-bottom:1px solid var(--border);min-height:52px;flex-shrink:0;
}
.brand{display:flex;align-items:center;gap:8px}
.brand-mark{width:22px;height:22px;border-radius:5px;background:
  linear-gradient(135deg,var(--red),#c0392b);box-shadow:0 0 0 2px rgba(224,86,79,0.25) inset;}
.brand-name{font-weight:800;letter-spacing:0.06em;font-size:16px}
.stats{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.stat{
  display:flex;align-items:center;gap:6px;background:var(--bg2);
  border:1px solid var(--border);padding:5px 10px;border-radius:9px;
  font-variant-numeric:tabular-nums;font-weight:700;font-size:14px;min-width:48px;justify-content:center;
}
.stat .lbl{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:0.08em}
.stat .ico{width:18px;height:18px;display:block;image-rendering:pixelated}
.wave-stat{color:var(--blue)}
.score-stat{color:var(--gold)}
#livesVal{color:var(--red)}
#coinsVal{color:var(--gold)}

/* Stage */
#stage{position:relative;flex:1;min-height:0;background:
  radial-gradient(circle at 50% 40%, #14222b, #0a1015 75%);overflow:hidden}
html[data-theme="light"] #stage{background:radial-gradient(circle at 50% 40%, #dce7ef, #c7d4dd 75%)}
#board{display:block;position:absolute;inset:0;touch-action:none;cursor:pointer}
#popups{position:absolute;inset:0;pointer-events:none}
#popups > *{pointer-events:auto}

/* Tower popup */
.tower-popup{
  position:absolute;background:var(--panel);border:1px solid var(--border);
  border-radius:10px;padding:8px 10px;width:180px;box-shadow:var(--shadow);
  z-index:5;animation:popIn 0.12s ease-out;
}
@keyframes popIn{from{transform:scale(0.9);opacity:0}to{transform:scale(1);opacity:1}}
.tp-name{font-weight:800;font-size:13px;margin-bottom:2px;display:flex;justify-content:space-between;align-items:center}
.tp-lvl{font-size:10px;color:var(--gold);background:rgba(244,197,66,0.15);padding:2px 6px;border-radius:6px}
.tp-stats{display:flex;gap:10px;font-size:11px;color:var(--muted);margin-bottom:6px}
.tp-mode-row{
  display:flex;align-items:center;gap:6px;margin-bottom:6px;font-size:11px;
}
.tp-mode-label{color:var(--muted);font-weight:600}
.tp-mode-btn{
  background:var(--blue);color:#06210f;border:none;border-radius:6px;
  padding:3px 8px;font-size:11px;font-weight:700;cursor:pointer;
  transition:filter 0.12s;
}
.tp-mode-btn:hover{filter:brightness(1.15)}
.tp-actions{display:flex;flex-direction:column;gap:5px}
.tp-btn{
  border:1px solid var(--border);background:var(--panel2);color:var(--text);
  border-radius:7px;padding:6px 8px;font-size:12px;font-weight:700;cursor:pointer;
  display:flex;align-items:center;gap:5px;justify-content:center;transition:background 0.12s,border-color 0.12s;
}
.tp-btn:hover{background:var(--border)}
.tp-btn.upgrade{border-color:rgba(95,208,122,0.5);color:var(--green)}
.tp-btn.sell{border-color:rgba(224,86,79,0.5);color:var(--red)}
.ico-sm{width:13px;height:13px;image-rendering:pixelated;vertical-align:middle}
.maxed{font-size:11px;color:var(--muted);text-align:center;padding:6px;font-style:italic}

/* Shop */
#shop{
  display:flex;align-items:center;gap:10px;padding:8px 12px;
  background:linear-gradient(0deg,var(--panel2),var(--panel));
  border-top:1px solid var(--border);flex-shrink:0;min-height:84px;
}
.shop-label{font-size:11px;text-transform:uppercase;letter-spacing:0.1em;color:var(--muted);font-weight:700;writing-mode:vertical-rl;transform:rotate(180deg);margin-right:2px}
.shop-towers{display:flex;gap:8px;flex:1;overflow-x:auto;scrollbar-width:thin}
.tower-btn{
  display:flex;align-items:center;gap:8px;background:var(--bg2);
  border:1px solid var(--border);border-radius:10px;padding:6px 10px 6px 6px;
  cursor:pointer;color:var(--text);min-width:150px;flex-shrink:0;
  transition:transform 0.1s,border-color 0.12s,background 0.12s;text-align:left;
}
.tower-btn:hover{transform:translateY(-2px);border-color:var(--gold)}
.tower-btn.selected{border-color:var(--gold);background:rgba(244,197,66,0.12);box-shadow:0 0 0 1px var(--gold)}
.tower-btn.disabled{opacity:0.45}
.tower-btn.disabled:hover{transform:none;border-color:var(--red)}
.tb-icon{width:42px;height:42px;background:rgba(0,0,0,0.25);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
html[data-theme="light"] .tb-icon{background:rgba(0,0,0,0.06)}
.tb-icon img{width:38px;height:38px;image-rendering:pixelated}
.tb-info{display:flex;flex-direction:column;gap:1px}
.tb-name{font-weight:800;font-size:13px;line-height:1.1;display:flex;align-items:center;gap:3px}
.tb-emoji{font-size:14px;line-height:1}
.tb-desc{font-size:10px;color:var(--muted);line-height:1.1}
.tb-cost{font-size:12px;font-weight:700;color:var(--gold);display:flex;align-items:center;gap:3px;margin-top:2px}

.shop-actions{display:flex;flex-direction:column;gap:6px;align-items:stretch}
.speed-controls{display:flex;gap:4px}
.speed-btn{
  background:var(--bg2);border:1px solid var(--border);color:var(--text);
  border-radius:7px;padding:5px 9px;font-weight:700;font-size:12px;cursor:pointer;
  font-variant-numeric:tabular-nums;transition:background 0.12s;
}
.speed-btn.active{background:var(--gold);color:#1a1408;border-color:var(--gold)}

.primary-btn{
  background:linear-gradient(180deg,var(--green),#3da861);color:#06210f;
  border:none;border-radius:9px;padding:9px 16px;font-weight:800;font-size:14px;
  cursor:pointer;letter-spacing:0.02em;box-shadow:0 2px 0 rgba(0,0,0,0.25);transition:transform 0.1s,filter 0.12s;
  white-space:nowrap;
}
.primary-btn:hover{filter:brightness(1.08)}
.primary-btn:active{transform:translateY(1px)}
.primary-btn:disabled{background:var(--panel2);color:var(--muted);cursor:default;box-shadow:none}
.primary-btn.running{background:var(--panel2);color:var(--blue)}

/* Overlay */
#overlay{
  position:absolute;inset:0;background:rgba(6,10,14,0.78);
  display:flex;align-items:center;justify-content:center;z-index:10;
  backdrop-filter:blur(3px);animation:fadeIn 0.2s ease;
}
html[data-theme="light"] #overlay{background:rgba(30,50,70,0.5)}
#overlay.hidden{display:none}
.overlay-card{
  background:var(--panel);border:1px solid var(--border);border-radius:16px;
  padding:26px 30px;text-align:center;box-shadow:var(--shadow);max-width:340px;
}
.overlay-card h1{margin:0 0 8px;font-size:26px;letter-spacing:0.03em;color:var(--red)}
.overlay-card p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.4}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* Responsive */
@media (max-width:560px){
  .brand-name{display:none}
  .stat{padding:4px 8px;font-size:13px;min-width:40px}
  .stat .lbl{display:none}
  .tower-btn{min-width:128px;padding:5px 8px 5px 5px}
  .tb-icon{width:36px;height:36px}
  .tb-icon img{width:32px;height:32px}
  .tb-desc{display:none}
  #shop{min-height:74px;padding:6px 8px}
  .shop-label{display:none}
}
@media (max-width:380px){
  .stats{gap:5px}
  .stat{padding:3px 6px;min-width:34px;font-size:12px}
  .stat .ico{width:15px;height:15px}
}