:root{--navy:#12385b;--green:#16734a;--green-dark:#0f5f3d;--bg:#f3f7f5;--line:#d8e2e8;--muted:#5c6975;--amber:#8a5a00;--amber-bg:#fff7df;--red:#9e2525;--red-bg:#fff0f0}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#eaf3ef 0,#f6f8f9 300px);color:#17212b}.calc-wrap{max-width:1120px;margin:0 auto;padding:24px}.hero{background:linear-gradient(135deg,#12385b,#17496d 57%,#16734a);color:#fff;border-radius:16px 16px 0 0;padding:28px 30px;box-shadow:0 16px 34px rgba(18,56,91,.17)}.hero-logo{width:min(420px,90%);height:auto;display:block;margin-bottom:18px}.hero h1{margin:0 0 10px;font-size:30px;letter-spacing:-.03em}.hero p{margin:0;max-width:850px;line-height:1.55;color:#edf5f8}.panel{background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;padding:24px 28px;box-shadow:0 16px 34px rgba(20,40,60,.07)}.intro-note{padding:13px 15px;border-left:5px solid var(--green);background:#eef8f2;border-radius:8px;color:#315344;line-height:1.5;margin-bottom:20px}.rows-head,.crop-row{display:grid;grid-template-columns:minmax(240px,1.7fr) minmax(150px,.7fr) 46px;gap:12px;align-items:end}.rows-head{font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:#526472;margin:0 0 7px;padding:0 2px}.crop-row{padding:12px;border:1px solid #dce5ea;border-radius:10px;background:#fbfcfd;margin-bottom:10px}.field label{display:block;font-size:13px;font-weight:800;color:#173d61;margin-bottom:6px}.field select,.field input{width:100%;min-height:44px;border:1px solid #aebbc5;border-radius:8px;background:#fff;padding:10px 11px;font-size:15px}.field select:focus,.field input:focus{outline:none;border-color:#4d88b8;box-shadow:0 0 0 3px rgba(77,136,184,.15)}.remove-row{width:42px;height:42px;border:1px solid #d3dde3;border-radius:8px;background:#f4f6f8;color:#6c7882;font-size:22px;cursor:pointer}.remove-row:hover{background:#fff0f0;color:var(--red);border-color:#e4b2b2}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}.btn{border:0;border-radius:8px;padding:11px 17px;font-size:14px;font-weight:800;cursor:pointer}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:#0d2e4b}.btn-add{background:#eaf6ef;color:#0d633e;border:1px solid #acd0bc}.btn-add:hover{background:#dbf0e4}.btn-alt{background:#e9eef2;color:#334857}.limit-error{display:none;margin:12px 0;padding:12px 14px;border-left:5px solid var(--red);background:var(--red-bg);border-radius:7px;color:#7c1e1e;font-weight:700}.limit-error.show{display:block}.result-area{display:none;margin-top:22px}.result-area.show{display:block}.result-area h2{margin:0 0 12px;color:var(--navy);font-size:23px}.result-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:11px}.result-table{width:100%;border-collapse:collapse;min-width:760px}.result-table th{background:#eef3f7;color:#314a5e;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.035em;padding:11px 12px}.result-table td{padding:12px;border-top:1px solid #e5ebef;vertical-align:top}.result-table .money{text-align:right;font-weight:800;white-space:nowrap}.result-table .area{text-align:right;white-space:nowrap}.result-table .no-payment{color:#755100;font-size:12px;line-height:1.4;max-width:360px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.summary-card{border-radius:12px;padding:18px 20px;border:1px solid}.summary-card.estimate{background:#eef8f2;border-color:#add2bd}.summary-card.actual{background:#eef4fa;border-color:#b7d0e5}.summary-card span{display:block;font-size:13px;color:#506270;line-height:1.4}.summary-card strong{display:block;margin-top:7px;font-size:27px;color:#12385b}.method{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px}.method h2{margin:0 0 9px;color:var(--navy);font-size:22px}.method h3{margin:20px 0 7px;color:#173f60;font-size:17px}.method p{margin:7px 0;line-height:1.62;color:#40505d}.rate-note{font-size:13px;color:#5d6a75;padding:11px 13px;background:#f5f7f8;border-radius:8px;margin-top:10px}.footer{max-width:1080px;margin:20px auto 30px;padding:0 12px;font-size:11px;line-height:1.55;color:#5b6874}.footer a{color:#12385b;font-weight:800;text-decoration:none}.footer-legal{display:block;margin-top:8px;padding-top:8px;border-top:1px solid #dfe5ea}@media(max-width:760px){.calc-wrap{padding:10px}.hero,.panel{padding:20px}.hero h1{font-size:25px}.rows-head{display:none}.crop-row{grid-template-columns:1fr 1fr 42px}.summary-grid{grid-template-columns:1fr}}@media(max-width:520px){.crop-row{grid-template-columns:1fr}.remove-row{justify-self:end}.summary-card strong{font-size:23px}}