:root{
  --ink:#0f1b3d;
  --navy:#172554;
  --royal:#1e3a8a;
  --blue:#2563eb;
  --sky:#60a5fa;
  --gold:#fbbf24;
  --gold2:#f59e0b;
  --panel:#f8fafc;
  --card:#ffffff;
  --line:#c7d2fe;
  --red:#ef4444;
  --green:#22c55e;
  --muted:#64748b;
  --sea:#0b4a8f;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:var(--sea);color:var(--ink);
  font-family:"Trebuchet MS","Segoe UI",system-ui,sans-serif;touch-action:none;user-select:none;-webkit-user-select:none}
button{font-family:inherit;cursor:pointer}

#top{position:fixed;top:0;left:0;right:0;z-index:5;background:linear-gradient(135deg,#1e40af,#172554);
  border-bottom:3px solid var(--gold);padding:6px 10px;color:#fff;padding-top:max(6px,env(safe-area-inset-top));
  box-shadow:0 2px 10px rgba(0,0,0,.3)}
.brand{font-weight:800;letter-spacing:.5px;font-size:15px;color:var(--gold)}
.brand span{color:#fff;font-weight:600}
#res{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:13px;margin-top:3px;color:#dbeafe}
.r{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.r b{color:#fff}
.r i{display:inline-block;width:11px;height:11px;border-radius:50%;border:1px solid rgba(255,255,255,.6)}
.r.warn,.r.warn b{color:#fca5a5}

main{position:fixed;left:0;right:0;top:var(--toph,62px);bottom:var(--navh,54px)}
.view{position:absolute;inset:0;display:none}
.view.active{display:block}
#map{width:100%;height:100%;display:block;touch-action:none}
#hint{position:absolute;left:8px;right:8px;top:8px;display:flex;justify-content:center;pointer-events:none}
#hint .card{pointer-events:auto}

.panel{overflow-y:auto;background:linear-gradient(#eef2ff,#f8fafc);padding:12px 12px 24px;touch-action:pan-y}
.panel h2{margin:4px 0 8px;font-size:19px;color:var(--royal);border-bottom:2px solid var(--line);padding-bottom:4px}
.panel h3{margin:14px 0 6px;font-size:13px;color:var(--blue);text-transform:uppercase;letter-spacing:1.5px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:8px 0;
  box-shadow:0 2px 6px rgba(30,58,138,.12)}
.card.locked{opacity:.55;border-style:dashed}
.card .row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card .t{font-weight:700;color:var(--ink)}
.card .d{font-size:13px;color:var(--muted)}
.cost{font-size:12px;margin-top:3px;color:var(--muted)}
.cost .no{color:var(--red);font-weight:bold}

.btn{background:linear-gradient(#3b82f6,#1d4ed8);color:#fff;border:0;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:700;
  min-width:64px;box-shadow:0 3px 0 #1e3a8a}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #1e3a8a}
.btn:disabled{filter:grayscale(1);opacity:.45;cursor:default}
.btn.sm{padding:5px 10px;font-size:12px;min-width:0}
.btn.go{background:linear-gradient(#4ade80,#16a34a);box-shadow:0 3px 0 #15803d}
.btn.alt{background:linear-gradient(#fff,#e0e7ff);color:var(--royal);box-shadow:0 3px 0 #c7d2fe}

.bar{height:8px;background:#e0e7ff;border-radius:4px;overflow:hidden;margin-top:5px}
.bar > b{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0}
.bar.hungry > b{background:var(--red)}

#v-puzzle{background:radial-gradient(circle at 50% 25%,#3b82f6,#1e3a8a 55%,#172554);overflow-y:auto;touch-action:pan-y}
#pz-head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;color:#fff;gap:8px}
#pz-head .lv{font-weight:800;font-size:17px;color:var(--gold)}
#pz-head .mv{font-size:13px;text-align:center}
#pz-head .mv b{display:block;font-size:26px;color:#fff;line-height:1}
#pz-head .goals{display:flex;gap:10px;background:rgba(15,27,61,.45);padding:4px 10px;border-radius:12px}
#pz-head .goal{display:flex;flex-direction:column;align-items:center;font-size:13px;font-weight:bold}
#pz-head .goal.done{color:#86efac}
#pz-wrap{display:flex;justify-content:center;align-items:flex-start;gap:14px;flex-wrap:wrap;padding:0 10px}
#board{border:3px solid var(--gold);border-radius:12px;background:#1f2f5c;touch-action:none;display:block;box-shadow:0 8px 24px rgba(0,0,0,.35)}
#pz-foot{text-align:center;color:#dbeafe;font-size:12px;padding:8px}
#pz-legend{background:rgba(15,27,61,.75);border:2px solid var(--gold);border-radius:12px;color:#e0e7ff;padding:10px;width:260px;max-width:100%;font-size:13px}
#pz-legend .lg-h{font-weight:800;color:var(--gold);margin-bottom:6px;font-size:14px}
#pz-legend .lg{display:flex;gap:10px;align-items:flex-start;margin:8px 0}
#pz-legend canvas{width:40px;height:40px;flex:none;border-radius:8px}
#pz-legend .how{color:var(--gold);font-size:12px}
#pz-legend .lg-note{margin-top:8px;font-size:12px;opacity:.9;border-top:1px solid rgba(255,255,255,.2);padding-top:6px}
@media (max-width:759px){#pz-legend{width:100%}}

#tabs{position:fixed;left:0;right:0;bottom:0;display:flex;z-index:5;background:linear-gradient(#1e3a8a,#172554);border-top:3px solid var(--gold);
  padding-bottom:env(safe-area-inset-bottom)}
#tabs button{flex:1;background:none;border:0;color:#bfdbfe;padding:14px 0;font-size:14px;font-weight:700}
#tabs button.on{color:var(--gold);background:rgba(255,255,255,.08)}
#tabs button .dot{display:inline-block;min-width:16px;height:16px;line-height:16px;border-radius:8px;background:var(--red);color:#fff;font-size:11px;margin-left:4px;padding:0 4px}

#sheet{position:fixed;left:0;right:0;bottom:var(--navh,54px);z-index:6;background:#fff;border-top:3px solid var(--gold);border-radius:16px 16px 0 0;
  padding:14px;max-height:60%;overflow-y:auto;box-shadow:0 -6px 20px rgba(0,0,0,.35);touch-action:pan-y}
#sheet .x{float:right}
#modal{position:fixed;inset:0;z-index:9;background:rgba(15,27,61,.65);display:flex;align-items:center;justify-content:center;padding:20px}
#modal[hidden]{display:none}
#modal .box{background:#fff;border:3px solid var(--gold);border-radius:16px;padding:18px;max-width:360px;width:100%;text-align:center;box-shadow:0 12px 40px rgba(0,0,0,.4)}
#modal h2{margin:0 0 8px;color:var(--royal)}
#modal .stars{font-size:36px;color:var(--gold);letter-spacing:4px;text-shadow:0 2px 0 #b45309}
#modal .stars .off{color:#cbd5e1;text-shadow:none}
#modal .btns{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}
#modal ul{text-align:left;padding-left:18px;margin:8px 0}

#toast{position:fixed;left:50%;top:calc(var(--toph,62px) + 10px);transform:translateX(-50%);z-index:10;pointer-events:none;
  display:flex;flex-direction:column;gap:6px;align-items:center}
#toast div{background:rgba(23,37,84,.95);color:#fff;border:2px solid var(--gold);border-radius:10px;padding:6px 12px;font-size:14px;
  animation:tin .2s ease-out}
@keyframes tin{from{opacity:0;transform:translateY(-6px)}to{opacity:1}}
.small{font-size:12px;color:var(--muted)}
.foot{margin-top:18px;font-size:12px;color:var(--muted);text-align:center}
.foot a{color:var(--blue)}