.ecn-calc{background:#0b1a14;color:#fff;border-radius:18px;padding:24px;max-width:760px;margin:0 auto;box-sizing:border-box;overflow:hidden}.ecn-calc *{box-sizing:border-box}.ecn-calc h3{margin:0 0 4px;font-size:20px;color:#fff}.ecn-calc p{margin:0 0 16px;color:#b8cfc0;font-size:14px;line-height:1.5}.ecn-calc label{display:block;font-size:13px;font-weight:700;color:#8fe08f;margin-bottom:6px}.ecn-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:18px}.ecn-row input[type=range]{flex:1 1 200px;min-width:0;accent-color:#5bd65f}.ecn-row output{font-weight:800;font-size:18px;min-width:80px}.ecn-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.ecn-out div{border:1px solid #3a3d3f;border-radius:12px;padding:12px;min-width:0}.ecn-out b{display:block;font-size:12px;color:#8fe08f;margin-bottom:4px}.ecn-out span{font-size:22px;font-weight:800}.ecn-out small{display:block;color:#b8cfc0;font-size:11.5px;margin-top:4px;line-height:1.4}.ecn-fine{margin-top:14px;font-size:12px;color:#b8cfc0;line-height:1.5}@media(max-width:560px){.ecn-out{grid-template-columns:1fr 1fr}.ecn-calc{padding:18px}}@media(max-width:360px){.ecn-out{grid-template-columns:1fr}}