.cwz-calc{--cwz-navy:#1d2635;--cwz-navy-soft:#2a3547;--cwz-green:#23a455;--cwz-green-dark:#1c8a47;--cwz-orange:#e8590c;--cwz-red:#c0392b;--cwz-border:#dde3ea;--cwz-bg-field:#f6f8fa;--cwz-text:#24292f;--cwz-muted:#6b7684;box-sizing:border-box;max-width:980px;margin:1.5em auto;background:#fff;border:1px solid var(--cwz-border);border-radius:10px;overflow:hidden;box-shadow:0 4px 18px rgb(29 38 53 / .08);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--cwz-text);line-height:1.45}.cwz-calc *,.cwz-calc *::before,.cwz-calc *::after{box-sizing:border-box}.cwz-calc__header{background:var(--cwz-navy);padding:18px 24px}.cwz-calc__title{margin:0 0 4px!important;padding:0;color:#fff;font-size:17px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;line-height:1.3;border:0}.cwz-calc__subtitle{margin:0;color:#c3ccd9;font-size:13px}.cwz-calc__body{padding:20px 24px 22px}.cwz-calc__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 16px}.cwz-calc__field{display:flex;flex-direction:column;min-width:0}.cwz-calc__label{display:block;margin:0 0 6px;font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#4a5568}.cwz-calc__input-wrap{position:relative;display:block}.cwz-calc__input{display:block;width:100%;height:46px;padding:0 14px;margin:0;background:var(--cwz-bg-field);border:1px solid var(--cwz-border);border-radius:6px;font-size:15px;font-weight:700;color:var(--cwz-text);appearance:none;-webkit-appearance:none;transition:border-color 0.15s ease,box-shadow 0.15s ease}.cwz-calc__input:focus{outline:none;border-color:var(--cwz-green);box-shadow:0 0 0 3px rgb(35 164 85 / .18);background:#fff}.cwz-calc__input::-webkit-outer-spin-button,.cwz-calc__input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.cwz-calc__input[type="number"]{-moz-appearance:textfield}.cwz-calc__suffix{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:13px;font-weight:700;color:var(--cwz-muted);pointer-events:none}.cwz-calc__select{background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a5568' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:10px 7px;padding-right:34px;cursor:pointer}.cwz-calc__actions{display:flex;gap:10px;height:46px}.cwz-calc__btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 18px;margin:0;border:0;border-radius:6px;font-size:13px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;transition:background-color 0.15s ease,transform 0.1s ease;line-height:1}.cwz-calc__btn:active{transform:translateY(1px)}.cwz-calc__btn--primary{flex:1 1 auto;background:var(--cwz-green);color:#fff}.cwz-calc__btn--primary:hover{background:var(--cwz-green-dark);color:#fff}.cwz-calc__btn--reset{flex:0 0 auto;background:#eef1f5;color:var(--cwz-navy);border:1px solid var(--cwz-border)}.cwz-calc__btn--reset:hover{background:#e2e7ee}.cwz-calc__error{margin-top:14px;padding:10px 14px;background:#fdecea;border:1px solid #f5c6c0;border-left:4px solid var(--cwz-red);border-radius:6px;color:#8a2a20;font-size:13px;font-weight:600}.cwz-calc__error[hidden],.cwz-calc__results[hidden]{display:none!important}.cwz-calc__results{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.cwz-calc__card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:18px 14px;border-radius:8px;border:1px solid var(--cwz-border);border-top-width:4px;background:#fbfcfd}.cwz-calc__card--base{border-top-color:var(--cwz-navy)}.cwz-calc__card--required{border-top-color:var(--cwz-green);background:#f2faf5;border-color:#cde8d8;border-top-color:var(--cwz-green)}.cwz-calc__card--volume{border-top-color:var(--cwz-orange);background:#fdf6ef;border-color:#f2ddc9;border-top-color:var(--cwz-orange)}.cwz-calc__card-label{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--cwz-muted)}.cwz-calc__card--required .cwz-calc__card-label{color:var(--cwz-green-dark)}.cwz-calc__card--volume .cwz-calc__card-label{color:var(--cwz-orange)}.cwz-calc__card-value{font-size:26px;font-weight:900;color:var(--cwz-navy);line-height:1.1;word-break:break-word}.cwz-calc__card--required .cwz-calc__card-value{color:var(--cwz-green-dark)}.cwz-calc__card--volume .cwz-calc__card-value{color:var(--cwz-orange)}.cwz-calc__card-note{font-size:12px;color:var(--cwz-muted)}.cwz-calc__notice{margin-top:16px;padding:12px 14px;background:#fdecea;border:1px solid #f5c6c0;border-left:4px solid var(--cwz-red);border-radius:6px;color:#8a2a20;font-size:13px}.cwz-calc__notice strong{color:var(--cwz-red)}@media (max-width:820px){.cwz-calc__grid{grid-template-columns:repeat(2,1fr)}.cwz-calc__results{grid-template-columns:1fr}}@media (max-width:520px){.cwz-calc__body{padding:16px}.cwz-calc__header{padding:16px}.cwz-calc__grid{grid-template-columns:1fr;gap:12px}.cwz-calc__field--actions .cwz-calc__label{display:none}.cwz-calc__card-value{font-size:23px}}