:root{--ecg-accent:#6cbe45;--ecg-dark:#0f1216}
.ecg-game{max-width:1020px;margin:auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;position:relative}
.ecg-hud{display:flex;justify-content:space-between;align-items:center;margin:6px 0 8px;gap:10px}
.ecg-hud-left{display:flex;gap:10px;align-items:center;font-weight:800}
.ecg-level{padding:6px 10px;border-radius:999px;background:rgba(108,190,69,.12);border:1px solid rgba(108,190,69,.25)}
.ecg-timer{opacity:.85}
.ecg-score{font-weight:900}
.ecg-progress{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ecg-progress-bar{flex:1;height:10px;border-radius:999px;background:rgba(0,0,0,.10);overflow:hidden}
.ecg-progress-fill{display:block;height:100%;width:0%;background:linear-gradient(90deg, rgba(108,190,69,.95), rgba(184,241,137,.95));transition:width .35s ease}
.ecg-progress-text{min-width:58px;font-weight:900;opacity:.9}
.ecg-city{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(0,0,0,.12);box-shadow:0 18px 50px rgba(0,0,0,.18);min-height:220px}
.ecg-city img{width:100%;display:block}
.city{position:absolute;left:0;top:0;opacity:0;transition:opacity .55s ease}
.city.active{opacity:1;position:relative}
.layer{position:absolute;left:0;top:0;opacity:0;transform:scale(1.02);transition:opacity .45s ease, transform .45s ease}
.layer.show{opacity:1;transform:scale(1)}
.target{position:absolute;border-radius:14px;outline:2px dashed rgba(108,190,69,.60);outline-offset:-5px;background:rgba(108,190,69,.12);opacity:.14;transition:opacity .18s ease, background .18s ease}
.target.active{opacity:.55;background:rgba(108,190,69,.18)}
.target.hidden{display:none}
.ecg-tools{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.tool{padding:10px 14px;background:#161a1f;color:#fff;border-radius:12px;border:1px solid rgba(255,255,255,.10);cursor:grab;user-select:none;transition:transform .15s ease, box-shadow .15s ease, opacity .15s ease}
.tool:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.tool.used{opacity:.45;cursor:default;transform:none;box-shadow:none}
.ecg-ghost{position:fixed;z-index:999999;pointer-events:none}
.ecg-ghost .tool{box-shadow:0 18px 60px rgba(0,0,0,.45);transform:none!important}
.ecg-tip{margin:6px 0 12px;padding:10px 12px;border-radius:12px;background:rgba(108,190,69,.08);border:1px solid rgba(108,190,69,.24);color:#143018;font-size:13px;min-height:20px}
.ecg-finish{position:absolute;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center}
.ecg-finish-card{background:var(--ecg-dark);color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px;max-width:560px;width:calc(100% - 28px);box-shadow:0 22px 70px rgba(0,0,0,.55)}
.ecg-win-title{margin:0 0 6px}
.ecg-win-sub{margin:0 0 12px;opacity:.85}
.ecg-lead{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.ecg-lead .ecg-input{padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:#fff;outline:none}
.ecg-lead .ecg-input::placeholder{color:rgba(255,255,255,.65)}
.ecg-lead .ecg-name{grid-column:1/-1}
.ecg-lead .ecg-submit{grid-column:1/-1}
.ecg-lead-msg{grid-column:1/-1;font-size:12px;opacity:.85}
.ecg-btn{width:100%;padding:10px 14px;border-radius:12px;border:0;font-weight:900;cursor:pointer}
.ecg-submit{background:linear-gradient(90deg, rgba(108,190,69,.95), rgba(184,241,137,.95));color:#061007}
.ecg-restart{margin-top:10px;background:rgba(255,255,255,.10);color:#fff}
.ecg-cta{display:block;text-align:center;margin-top:10px;padding:10px 14px;border-radius:12px;background:#fff;color:#000;text-decoration:none;font-weight:900}
.ecg-leaderboard{margin-top:16px;border:1px solid rgba(0,0,0,.12);border-radius:16px;padding:12px;background:#fff}
.ecg-lb-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.ecg-lb-tabs{display:flex;gap:8px;flex-wrap:wrap}
.ecg-tab{border:1px solid rgba(0,0,0,.12);background:#f6f7f7;border-radius:999px;padding:6px 10px;cursor:pointer;font-weight:800}
.ecg-tab.active{background:rgba(108,190,69,.14);border-color:rgba(108,190,69,.35)}
.ecg-lb-list{margin:10px 0 0;padding-left:22px}
.ecg-lb-list li{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px solid rgba(0,0,0,.06)}
.ecg-lb-list li:last-child{border-bottom:0}
.ecg-lb-meta{opacity:.75;font-weight:700;font-size:12px}
.ecg-confetti{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:0;transition:opacity .2s ease}
.ecg-confetti.show{opacity:1}
@media(max-width:760px){
  .ecg-tools{flex-direction:column}
  .tool{width:100%}
  .ecg-lead{grid-template-columns:1fr}
}