.dc-calc{max-width:680px;margin:28px 0;padding:24px;border:1px solid #d5e0e4;border-radius:8px;background:#f8fafb;color:#26333b;text-align:left}
.dc-calc h3{margin:0 0 8px!important;font-size:23px!important;line-height:1.3}
.dc-calc p{margin:0 0 14px}.dc-calc .dc-calc-intro{font-size:15px;line-height:1.55}
.dc-calc form,.dc-calc fieldset{margin:0;padding:0;border:0;min-width:0}
.dc-calc-field{margin:0 0 16px}.dc-calc label{display:block;margin:0 0 6px;font-weight:600;line-height:1.4}
.dc-calc-inputs{display:flex;gap:8px;align-items:center}.dc-calc input,.dc-calc select{height:44px!important;min-width:0;max-width:100%;padding:8px 12px!important;border:1px solid #8a9ba6!important;border-radius:4px!important;background-color:#fff!important;color:#172d3b!important;font:inherit;box-sizing:border-box}
.dc-calc input{flex:1;width:100%}.dc-calc-inputs select{flex:0 0 94px;width:94px}.dc-calc-fixed-unit{flex:0 0 94px;padding-left:12px;box-sizing:border-box}
.dc-calc input:focus-visible,.dc-calc select:focus-visible,.dc-calc button:focus-visible{outline:3px solid #187ca8;outline-offset:2px}
.dc-calc small,.dc-calc .dc-calc-hint{display:block;font-size:13px;line-height:1.5;color:#50616b;margin-top:5px}
.dc-calc-actions{display:flex;flex-wrap:wrap;gap:10px}.dc-calc button{min-height:44px;border-radius:4px;padding:10px 20px;font-size:15px;line-height:1.4;text-transform:none}
.dc-calc button[type=submit]{background:#08668a;color:#fff;border:1px solid #08668a}.dc-calc button[type=reset]{background:#fff;color:#26333b;border:1px solid #8a9ba6}
.dc-calc .dc-calc-error{margin:16px 0 0;color:#a51919;font-weight:600}.dc-calc [aria-invalid=true]{border-color:#a51919!important}
.dc-calc-result{margin-top:20px;padding:16px;background:#eaf4f8;border-left:4px solid #08668a;border-radius:4px;overflow-wrap:anywhere}
.dc-calc-value{display:block;font-size:28px;font-weight:700;line-height:1.4}.dc-calc .dc-calc-steps{white-space:pre-line;margin:12px 0 0;line-height:1.6}
.dc-calc [hidden]{display:none!important}
@media(max-width:480px){.dc-calc{padding:16px}.dc-calc h3{font-size:21px!important}.dc-calc-value{font-size:25px}.dc-calc-inputs select,.dc-calc-fixed-unit{flex-basis:80px;width:80px}}

.dc-calc-aquarium-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 16px}.dc-calc-aquarium-grid .dc-calc-fixed-unit{flex:0 0 32px;width:32px;padding:0}.dc-calc-aquarium-grid label{min-height:3em}.dc-calc-salts{margin:12px 0 0}.dc-calc-salts>div{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.dc-calc-salts dt{font-weight:400}.dc-calc-salts dd{margin:0;font-weight:700;white-space:nowrap}
@media(max-width:600px){.dc-calc-aquarium-grid{grid-template-columns:1fr}.dc-calc-aquarium-grid label{min-height:0}.dc-calc-salts>div{flex-wrap:wrap}}