:root{
  --ink:#f8f9ff;
  --panel:rgba(255,255,255,0.08);
  --panel-border:rgba(255,255,255,0.2);
  --accent:#fee440;
}
*{box-sizing:border-box}
html,body{font-family:"Fredoka","Hiragino Maru Gothic ProN",system-ui,sans-serif;color:var(--ink)}
button,select{font-weight:800;border-radius:12px}
button{border:none;cursor:pointer}
.panel,.card,.pill,.hud{border:1px solid var(--panel-border)}
a{color:var(--ink)}
.back-btn{position:fixed;top:12px;left:12px;z-index:999;padding:8px 12px;border-radius:12px;background:rgba(0,0,0,0.45);border:1px solid rgba(255,255,255,0.35);color:#fff;text-decoration:none;font-weight:800;font-size:12px;backdrop-filter:blur(6px)}