:root{
  --bg:#080a14;
  --bg2:#0e1224;
  --ink:#e8ecff;
  --dim:#8a93bd;
  --line:#232a4d;
  --acc:#7cf3ff;
  --acc2:#b98bff;
  --hot:#ff7a59;
  --good:#6ef2a8;
  --warn:#ffd166;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 700px at 20% -10%, #1a1f45 0%, transparent 60%),
    radial-gradient(900px 600px at 100% 0%, #2a1745 0%, transparent 55%),
    var(--bg);
  color:var(--ink);
  font:15px/1.5 "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1360px;margin:0 auto;padding:18px 20px 40px}

/* ---------- topbar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.brand{display:flex;align-items:center;gap:14px}
.sigil{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(150deg,#2b2260,#122a4d);
  border:1px solid var(--line);color:var(--acc);font-size:22px;
  box-shadow:0 0 24px rgba(124,243,255,.18) inset;
}
.brand h1{margin:0;font-size:19px;letter-spacing:.16em}
.brand p{margin:2px 0 0;font-size:12.5px;color:var(--dim)}
.topbtns{display:flex;gap:8px;flex-wrap:wrap}

.btn{
  appearance:none;border:1px solid var(--line);background:#141a33;color:var(--ink);
  padding:9px 15px;border-radius:10px;font:inherit;font-size:13.5px;cursor:pointer;
  transition:.16s border-color,.16s background,.16s transform;
}
.btn:hover{background:#1b2244;border-color:#3a4680}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,#7cf3ff,#8f7bff);color:#0a0d1c;border-color:transparent;font-weight:650}
.btn.ghost{background:transparent}

/* ---------- layout ---------- */
.stage{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px;align-items:start}
@media (max-width:1040px){ .stage{grid-template-columns:1fr} }

.arena{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:#05060f;box-shadow:0 24px 70px rgba(0,0,0,.6)}
#game{display:block;width:100%;height:auto;aspect-ratio:16/9;touch-action:none;cursor:crosshair}

/* ---------- overlay ---------- */
.overlay{position:absolute;inset:0;display:grid;place-items:center;padding:20px;
  background:rgba(5,7,16,.82);backdrop-filter:blur(7px)}
.overlay.hidden{display:none}
.panel{width:min(560px,100%);background:linear-gradient(160deg,#111632,#0b0f22);
  border:1px solid var(--line);border-radius:16px;padding:24px}
.panel.hidden{display:none}
.panel h2{margin:0 0 10px;font-size:21px;letter-spacing:.03em}
.lead{margin:0 0 14px;color:#c3cbf0;font-size:14px}
.steps,.help{margin:0 0 16px;padding-left:20px;color:var(--dim);font-size:13.5px}
.steps li,.help li{margin:5px 0}
.help b{color:var(--ink)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.tiny{margin:12px 0 0;font-size:12px;color:var(--dim)}

.calbox{display:grid;place-items:center;margin:6px 0 16px}
.calring{position:relative;width:320px;height:240px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.calring::after{content:"";position:absolute;left:50%;top:50%;width:112px;height:112px;margin:-56px 0 0 -56px;
  border:2px dashed var(--acc);border-radius:50%;box-shadow:0 0 30px rgba(124,243,255,.35)}
#calview{display:block;width:100%;height:100%;transform:scaleX(-1)}

.scoreline{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:6px 0 18px}
.scoreline div{background:#0c1128;border:1px solid var(--line);border-radius:12px;padding:12px 8px;text-align:center}
.scoreline span{display:block;font-size:22px;font-weight:700;color:var(--acc)}
.scoreline small{color:var(--dim);font-size:11px}

/* ---------- side ---------- */
.side{display:flex;flex-direction:column;gap:14px}
.card{background:linear-gradient(160deg,#111632,#0b0f22);border:1px solid var(--line);border-radius:14px;padding:14px}
.card h3{margin:0 0 10px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}

.runes{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.runes li{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;
  background:#0c1128;border:1px solid var(--line);border-radius:11px;padding:8px 10px;transition:.2s}
.runes li.fire{outline:1px solid transparent}
.runes li.flash{border-color:var(--acc);box-shadow:0 0 22px rgba(124,243,255,.28);transform:translateX(-3px)}
.runes svg{display:block;width:42px;height:30px}
.rname{font-size:13.5px;font-weight:600}
.rdesc{font-size:11.5px;color:var(--dim)}
.rcost{font-size:12px;color:var(--acc);font-variant-numeric:tabular-nums}

.camwrap{position:relative;border-radius:11px;overflow:hidden;border:1px solid var(--line);background:#05060f}
#camview{display:block;width:100%;height:auto;aspect-ratio:4/3;transform:scaleX(-1)}
.camtag{position:absolute;left:8px;top:8px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(5,7,16,.75);border:1px solid var(--line);color:var(--dim);padding:3px 7px;border-radius:6px}
.camtag.on{color:var(--good);border-color:#1d5b3c}

.sliders{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.sliders label{font-size:11.5px;color:var(--dim);display:flex;flex-direction:column;gap:4px}
.sliders input{width:100%;accent-color:var(--acc)}

#cam{position:fixed;width:2px;height:2px;opacity:.001;pointer-events:none;left:-10px;top:-10px}