@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Space+Grotesk:wght@400;500;700&display=swap');

:root{
  --bg0:#0d0620; --bg1:#1a0b2e; --panel:#150a2bcc;
  --pink:#ff71ce; --cyan:#01cdfe; --purp:#b967ff; --yel:#fffb96; --mint:#05ffa1;
  --ink:#f4ecff; --dim:#a78fbf;
  --r1:#ff9e00; --r2:#05ffa1;
  --grid:#ffffff14;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Space Grotesk',system-ui,sans-serif; color:var(--ink);
  background:
    radial-gradient(1200px 500px at 50% -80px, #b967ff33, transparent 60%),
    radial-gradient(900px 420px at 85% 10%, #01cdfe22, transparent 60%),
    radial-gradient(900px 500px at 10% 0%, #ff71ce22, transparent 60%),
    linear-gradient(180deg,#0d0620 0%, #160a33 45%, #2b0f4f 70%, #0d0620 100%);
  min-height:100vh; overflow-x:hidden;
}
/* retro sun */
.sun{
  position:fixed; left:50%; top:-140px; width:420px; height:420px; transform:translateX(-50%);
  background:linear-gradient(180deg,var(--yel) 0%,var(--pink) 55%,var(--purp) 100%);
  border-radius:50%; filter:saturate(1.2);
  -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 56%),repeating-linear-gradient(180deg,#000 0 14px,transparent 14px 20px);
  -webkit-mask-composite:source-in; mask-composite:intersect;
  mask-image:linear-gradient(180deg,#000 55%,transparent 100%);
  opacity:.5; pointer-events:none; z-index:0;
}
.scanlines{position:fixed;inset:0;z-index:50;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background:repeating-linear-gradient(180deg,#00000055 0 1px,transparent 1px 3px);}
.vignette{position:fixed;inset:0;z-index:49;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 40%, transparent 55%, #00000088 100%);}

.topbar{
  position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:18px 18px 6px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:30px;
  background:linear-gradient(135deg,var(--pink),var(--purp) 55%,var(--cyan));
  box-shadow:0 0 24px #ff71ce88, inset 0 0 0 2px #ffffff44;
}
h1.chrome,.chrome-sm{
  font-family:Orbitron,sans-serif;font-weight:900;letter-spacing:.12em;margin:0;
  font-size:clamp(22px,4vw,34px);
  background:linear-gradient(180deg,#fff 10%,var(--yel) 30%,var(--pink) 55%,var(--purp) 75%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 0 #2b0f4f) drop-shadow(0 0 18px #ff71ce55);
}
.chrome-sm{font-size:24px}
.tag{margin:2px 0 0;color:var(--dim);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.hud{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pill{
  font-family:Orbitron,sans-serif;font-size:14px;padding:8px 12px;border-radius:999px;
  background:#ffffff10;border:1px solid #ffffff2a;backdrop-filter:blur(6px);
  display:flex;gap:8px;align-items:center;
}
.pill .lbl{font-size:10px;color:var(--cyan);letter-spacing:.18em}
.pill.timer{border-color:var(--pink);box-shadow:0 0 16px #ff71ce44}
.pill.timer.urgent{animation:urg .5s infinite alternate;border-color:#ff3355;color:#fff}
@keyframes urg{from{box-shadow:0 0 6px #ff3355}to{box-shadow:0 0 26px #ff3355;transform:scale(1.04)}}
.iconbtn{
  width:38px;height:38px;border-radius:50%;border:1px solid #ffffff33;cursor:pointer;
  background:#ffffff12;color:#fff;font-size:17px;transition:.15s;
}
.iconbtn:hover{transform:scale(1.08)} .iconbtn.off{opacity:.4;text-decoration:line-through}

#app{position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:10px 18px 30px}
.board-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
.board-frame{
  position:relative;border-radius:18px;padding:10px;
  background:linear-gradient(180deg,#ffffff14,#ffffff06);
  border:1px solid #ffffff2b;
  box-shadow:0 20px 60px #00000066, 0 0 40px #b967ff33, inset 0 0 0 1px #00000055;
}
#board{width:100%;height:auto;display:block;border-radius:12px;touch-action:none;cursor:crosshair;
  background:#0a0518;box-shadow:inset 0 0 60px #000;}
.toast{
  position:absolute;left:50%;top:14px;transform:translateX(-50%) translateY(-8px);
  font-family:Orbitron,sans-serif;font-size:13px;letter-spacing:.1em;
  background:#0d0620ee;border:1px solid var(--cyan);color:var(--cyan);
  padding:8px 14px;border-radius:999px;opacity:0;transition:.25s;pointer-events:none;white-space:nowrap;
  box-shadow:0 0 18px #01cdfe66;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.countdown{
  position:absolute;inset:10px;display:grid;place-items:center;border-radius:12px;
  font-family:Orbitron,sans-serif;font-weight:900;font-size:min(22vw,120px);
  color:#fff;text-shadow:0 0 30px var(--pink),0 4px 0 #2b0f4f;background:#0d062066;backdrop-filter:blur(2px);
}
.hidden{display:none !important}
.gameover{position:absolute;inset:10px;display:grid;place-items:center;border-radius:12px;background:#0d0620bb;backdrop-filter:blur(4px)}
.card{
  background:linear-gradient(180deg,#1c0d38,#120826);border:1px solid var(--pink);
  border-radius:16px;padding:24px;width:min(92%,380px);text-align:center;
  box-shadow:0 0 50px #ff71ce55;animation:pop .35s cubic-bezier(.2,1.4,.4,1);
}
@keyframes pop{from{transform:scale(.85);opacity:0}}
.kicker{font-family:Orbitron,sans-serif;color:var(--cyan);letter-spacing:.25em;font-size:11px;margin:0 0 6px}
.card h2{margin:0 0 12px}
.go-stats{display:flex;justify-content:center;gap:22px;margin:10px 0}
.go-stats b{display:block;font-family:Orbitron,sans-serif;font-size:26px;color:var(--yel);text-shadow:0 0 14px #ff71ce}
.go-stats span{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.1em}
.go-note{color:var(--dim);font-size:13px;min-height:20px}
.go-row{display:flex;gap:10px;justify-content:center;margin-top:12px;flex-wrap:wrap}

.side{display:flex;flex-direction:column;gap:12px}
.panel{
  background:var(--panel);border:1px solid #ffffff22;border-radius:16px;padding:14px 16px;
  box-shadow:0 10px 30px #00000055;backdrop-filter:blur(8px);
}
.panel h3{font-family:Orbitron,sans-serif;font-size:11px;letter-spacing:.25em;color:var(--pink);margin:0 0 10px;text-transform:uppercase}
.panel ol{margin:0;padding-left:18px;font-size:13.5px;color:#e6d9f7;display:flex;flex-direction:column;gap:6px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 2px}
.dot.r1{background:var(--r1);box-shadow:0 0 8px var(--r1)} .dot.r2{background:var(--r2);box-shadow:0 0 8px var(--r2)}
.fogchip{background:#ffffff22;border-radius:6px;padding:1px 6px;font-size:12px}
.keys{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--dim);flex-wrap:wrap;gap:6px}
kbd{background:#ffffff18;border:1px solid #ffffff2e;border-bottom-width:2px;border-radius:6px;padding:1px 6px;font-family:inherit;font-size:11px}
.row2{display:flex;flex-direction:column;gap:12px}
.roundbtns{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  font-family:Orbitron,sans-serif;font-size:12px;letter-spacing:.06em;cursor:pointer;
  border-radius:12px;padding:11px 14px;border:1px solid transparent;transition:.15s;color:#fff;
}
.btn.primary{background:linear-gradient(135deg,var(--pink),var(--purp));box-shadow:0 4px 20px #ff71ce66}
.btn.primary:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 8px 28px #ff71ce88}
.btn.primary:active{transform:scale(.97)}
.btn.ghost{background:#ffffff10;border-color:#ffffff2c}
.btn.ghost:hover{background:#ffffff1c}
.fine{font-size:12px;color:var(--dim);margin:8px 0 0}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--dim)}
.sw{display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:4px;vertical-align:-1px}
.sw.you{background:var(--pink)} .sw.trail{background:var(--cyan)}
.sw.r1{background:var(--r1)} .sw.r2{background:var(--r2)} .sw.fog{background:repeating-linear-gradient(45deg,#888 0 2px,#333 2px 4px)}
.best{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap}
.best b{font-family:Orbitron,sans-serif;color:var(--yel)}
.foot{text-align:center;color:var(--dim);font-size:12px;margin-top:16px;letter-spacing:.05em}

@media (max-width:820px){
  .board-wrap{grid-template-columns:1fr}
  .side{order:2}
  .topbar{padding-top:12px}
}