/* Additive NodeClash engagement UI — no changes to gameplay styling. */
.nc-eng-open{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:9000;border:1px solid rgba(140,225,255,.35);background:linear-gradient(135deg,rgba(8,19,32,.9),rgba(22,35,55,.88));color:#eaf9ff;padding:11px 15px;border-radius:999px;box-shadow:0 14px 40px rgba(0,0,0,.28),0 0 28px rgba(77,218,255,.12);font-weight:800;letter-spacing:.08em;backdrop-filter:blur(18px);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.nc-eng-open:hover{transform:translateY(-2px);box-shadow:0 18px 45px rgba(0,0,0,.35),0 0 32px rgba(77,218,255,.2)}
.nc-eng-panel{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:72px;width:min(410px,calc(100vw - 32px));z-index:8999;padding:18px;border:1px solid rgba(150,230,255,.24);border-radius:24px;background:linear-gradient(145deg,rgba(5,12,22,.97),rgba(14,29,45,.95));color:#e9f7ff;box-shadow:0 30px 90px rgba(0,0,0,.5),0 0 60px rgba(59,211,255,.1);backdrop-filter:blur(22px);opacity:0;transform:translateY(16px) scale(.98);pointer-events:none;transition:opacity .22s ease,transform .22s ease}.nc-eng-panel.open{opacity:1;transform:none;pointer-events:auto}.nc-eng-head{display:flex;justify-content:space-between;gap:16px}.nc-eng-head h3{margin:3px 0 4px;font-size:20px}.nc-eng-head p{margin:0;color:rgba(225,243,252,.68);font-size:12px;line-height:1.5}.nc-eng-kicker{font-size:9px;letter-spacing:.18em;color:#80eaff}.nc-eng-head button{border:0;background:rgba(255,255,255,.08);color:#fff;border-radius:10px;width:32px;height:32px;cursor:pointer}.nc-eng-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:16px 0}.nc-eng-stats div{padding:11px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(255,255,255,.035)}.nc-eng-stats span{display:block;font-size:8px;letter-spacing:.12em;color:rgba(225,243,252,.52)}.nc-eng-stats b{display:block;margin-top:4px;font-size:18px}.nc-eng-progress{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}.nc-eng-progress i,.nc-eng-quest i em{display:block;height:100%;background:linear-gradient(90deg,#5ee7ff,#b7ffdc,#ffd36e);border-radius:inherit;box-shadow:0 0 18px rgba(99,226,255,.35)}.nc-eng-quests{display:grid;gap:9px;margin-top:14px}.nc-eng-quest{padding:11px;border-radius:15px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.07)}.nc-eng-quest strong{display:block;font-size:12px}.nc-eng-quest span{display:block;margin-top:3px;font-size:10px;color:rgba(225,243,252,.56)}.nc-eng-quest i{display:block;height:5px;margin-top:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}.nc-eng-quest i em{width:0}.nc-eng-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;font-size:10px;color:rgba(225,243,252,.55)}.nc-eng-foot button{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:#e9f7ff;padding:8px 10px;border-radius:10px;cursor:pointer}.nc-eng-toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-20px) scale(.96);z-index:10000;padding:10px 16px;border:1px solid rgba(130,235,255,.25);border-radius:999px;background:rgba(7,16,28,.92);color:#effcff;box-shadow:0 18px 55px rgba(0,0,0,.35);backdrop-filter:blur(16px);opacity:0;pointer-events:none;transition:.25s ease;font-weight:800;font-size:12px;letter-spacing:.04em}.nc-eng-toast.show{opacity:1;transform:translate(-50%,0) scale(1)}
@media(max-width:600px){.nc-eng-panel{bottom:70px}.nc-eng-stats{grid-template-columns:repeat(2,1fr)}.nc-eng-open span{display:none}}
@media(prefers-reduced-motion:reduce){.nc-eng-open,.nc-eng-panel,.nc-eng-toast{transition:none}}