.calc-hero{background:radial-gradient(ellipse at 80% 10%,#173c4c,transparent 65%),#0b1b2a;color:#fff;padding:64px 0 50px;border-bottom:1px solid #214355}
.calc-eyebrow{font-size:11px;letter-spacing:.19em;color:#81b0bd;font-weight:700;display:flex;align-items:center;gap:10px}
.calc-eyebrow>span{width:7px;height:7px;background:#3ddbc5;border-radius:50%}
.calc-hero h1{font-size:clamp(2.5rem,5vw,4.4rem);margin:20px 0 18px;letter-spacing:-.05em}
.calc-hero h1>span{color:#3ddbc5}
.calc-hero p{max-width:660px;color:#b2c9d5;font-size:17px}
.calc-hero-meta{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:28px;color:#b1c9d2;font-size:12px}
.calc-hero-meta>span:before{content:'+';color:#38d7bf;margin-right:9px}
.calc-catalog{padding-top:44px;padding-bottom:72px}
.calc-catalog-top{display:flex;align-items:center;justify-content:space-between;gap:25px}
.calc-catalog-top h2{font-size:28px;margin:10px 0 0}
.calc-search{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #d8e2e8;border-radius:7px;padding:12px 16px;width:325px;max-width:100%;margin:0}
.calc-search svg{width:19px;height:19px;fill:none;stroke:#74909e;stroke-width:1.6;flex-shrink:0}
.calc-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:#1c3342}
.calc-search:focus-within{outline:2px solid #008c80;outline-offset:3px}
.calc-filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.calc-filters button{border:1px solid #d6e2e8;color:#4b6473;background:#fff;padding:9px 15px;border-radius:5px;font-size:12px;font-weight:650}
.calc-filters button[aria-pressed=true]{background:#163343;border-color:#163343;color:white}
.calc-count{font-size:11px;color:#667e8d;margin:22px 0 12px;letter-spacing:.07em;text-transform:uppercase}
.calc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.calc-tile{display:flex;flex-direction:column;border:1px solid #d8e3e9;background:white;border-radius:9px;overflow:hidden;text-decoration:none;color:#183241;transition:transform .15s,border-color .15s,box-shadow .15s}
.calc-tile:hover{color:#183241;transform:translateY(-4px);border-color:#2cbba6;box-shadow:0 10px 30px #163c5012}
.calc-tile:focus-visible{outline:3px solid #009b8a;outline-offset:3px}
.calc-tile-art{height:164px;background:radial-gradient(ellipse at 65% 15%,#1d4655,#102735);position:relative;border-bottom:1px solid #234859;padding:6px 12px}
.calc-tile-art svg{display:block;width:100%;height:100%}
.calc-tile-number{position:absolute;top:12px;left:14px;color:#7696a4;font:10px ui-monospace,monospace;letter-spacing:.12em}
.calc-tile-info{padding:18px 18px 16px;flex:1;display:flex;flex-direction:column}
.calc-tile-group{color:#178b7e;font-size:9px;letter-spacing:.12em;text-transform:uppercase;font-weight:750}
.calc-tile h3{font-size:16px;line-height:1.3;margin:9px 0}
.calc-tile p{font-size:12px;line-height:1.6;color:#69808d;margin:0 0 18px}
.calc-tile-link{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:750;color:#214b59;border-top:1px solid #edf2f5;padding-top:12px}
.calc-tile-link span{color:#0b9c88;font-size:17px}
.calc-empty{padding:45px;text-align:center;color:#536a77;background:white;border:1px dashed #b6c8d3;border-radius:8px}
.calc-workspace{padding-top:26px;padding-bottom:65px}
.calc-back{font-size:12px;color:#597481;text-decoration:none}
.calc-back:hover{color:#008979}
.calc-heading{display:flex;gap:20px;justify-content:space-between;align-items:center;margin:28px 0}
.calc-heading h1{font-size:clamp(27px,3.2vw,39px);margin:8px 0 10px}
.calc-heading p{font-size:14px;color:#647e8b;margin:0;max-width:660px}
.calc-live{font-size:9px;letter-spacing:.1em;white-space:nowrap;color:#2c7f70;display:flex;align-items:center;gap:8px}
.calc-live i,.calc-view-top i{width:6px;height:6px;border-radius:50%;background:#2ec4a9;display:inline-block}
.calc-work-grid{display:grid;grid-template-columns:310px minmax(0,1fr);gap:22px;align-items:start}
.calc-input-panel,.calc-results-panel{background:white;border:1px solid #d9e5eb;border-radius:8px;padding:22px}
.calc-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.calc-panel-heading h2{font-size:17px;margin:0;letter-spacing:-.02em}
.calc-panel-heading>span{font:11px ui-monospace,monospace;color:#92a8b4}
.calc-field{display:block;margin-bottom:17px}
.calc-field>span{display:block;color:#496575;font-size:12px;font-weight:650;margin-bottom:7px}
.calc-field-box{position:relative}
.calc-field input,.calc-field select{width:100%;border:1px solid #d4e1e8;background:#f8fbfc;padding:11px 45px 11px 12px;border-radius:5px;color:#123345;font:15px ui-monospace,monospace;outline:none}
.calc-field select{font:12px system-ui;padding:12px 8px}
.calc-field input:focus,.calc-field select:focus{border-color:#079f8c;box-shadow:0 0 0 3px #1db49c14}
.calc-field input[aria-invalid=true]{border-color:#bd4b4b}
.calc-field-unit{position:absolute;right:12px;top:12px;color:#8298a5;font-size:12px}
.calc-submit{display:flex;justify-content:space-between;align-items:center;width:100%;font-size:13px;padding:12px;margin-top:22px}
.calc-reset{border:0;background:none;color:#69828e;font-size:11px;display:block;margin:13px auto 0}
.calc-convention{font-size:11px;color:#788d99;line-height:1.7;border-top:1px solid #e6edf1;margin-top:21px;padding-top:17px}
.calc-right{min-width:0}
.calc-viewport-panel{overflow:hidden;border-radius:8px;background:#0c2130;border:1px solid #23495a;margin-bottom:22px}
.calc-view-top,.calc-view-bottom{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:15px 18px;color:#94b3c1;font-size:10px}
.calc-view-top{border-bottom:1px solid #224253;letter-spacing:.08em}
.calc-view-top i{margin-right:8px}
.calc-view-top>span:last-child{font-size:9px;letter-spacing:0;color:#668e9e}
.calc-viewport{height:390px;position:relative;touch-action:none;overflow:hidden}
.calc-viewport canvas{display:block;width:100%;height:100%;position:absolute;inset:0}
.calc-viewport:focus-visible{outline:2px solid #30c4af;outline-offset:-3px}
#calc-fallback{position:absolute;inset:0;pointer-events:none}
#calc-fallback svg{width:100%;height:100%;display:block}
#calc-stale{position:absolute;inset:0;z-index:1;background:#0c2130e8;display:grid;place-items:center;color:#bbd0d9;padding:25px;text-align:center;font-size:14px}
#calc-stale[hidden]{display:none}
.calc-view-bottom{border-top:1px solid #224253;font-family:ui-monospace,monospace}
.calc-view-tools{display:flex;gap:5px}
.calc-view-tools button{background:#153646;color:#bddee8;border:1px solid #2b5363;border-radius:4px;padding:6px 9px;font:10px system-ui}
.calc-view-tools button:hover,.calc-view-tools button[aria-pressed=true]{border-color:#35cdb6;color:#62e6cf}
.calc-view-tools button:disabled{opacity:.4;cursor:not-allowed}
.calc-result-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.calc-result-tools label{font-size:9px;color:#6b8290}
.calc-result-tools select{border:1px solid #d8e5eb;background:#f8fbfc;padding:4px;border-radius:4px;font-size:11px}
.calc-result-tools button,.calc-table-heading button{border:1px solid #c9dedf;border-radius:4px;background:#eff9f7;color:#27786f;padding:6px 9px;font-size:10px}
.calc-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.calc-result{padding:15px 13px;border:1px solid #e2ecef;border-radius:5px;background:#f8fbfc;min-width:0}
.calc-result:first-child{background:#edf9f5;border-color:#ccebe1}
.calc-result-label{display:block;font-size:10px;color:#67818d;margin-bottom:8px}
.calc-result strong{font:600 clamp(17px,1.8vw,23px) ui-monospace,monospace;letter-spacing:-.04em;color:#1b4655;overflow-wrap:anywhere}
.calc-result small{font-size:10px;color:#7a929d;margin-left:5px}
.calc-error{padding:16px;border:1px solid #f0cbca;color:#9b3434;background:#fff4f3;border-radius:5px;font-size:13px}
.calc-copy-status{font-size:11px;color:#547d73;margin:9px 0 0;min-height:14px}
.calc-formula{border-top:1px solid #e4edef;padding-top:14px;margin-top:12px}
.calc-formula summary{font-size:11px;color:#55717f;cursor:pointer}
.calc-formula p{font:11px/1.9 ui-monospace,monospace;color:#718792;margin:12px 0 0;overflow-wrap:anywhere}
.calc-table-heading{display:flex;justify-content:space-between;align-items:center;margin:20px 0 10px}
.calc-table-heading h3{font-size:14px;margin:0}
.calc-table-scroll{max-height:300px;overflow:auto}
.calc-table-wrap table{width:100%;font:12px ui-monospace,monospace;border-collapse:collapse}
.calc-table-wrap th{text-align:right;color:#5c7c89;font:10px system-ui;background:#f0f6f8;position:sticky;top:0}
.calc-table-wrap td{text-align:right;color:#244a5a}
.calc-table-wrap td,.calc-table-wrap th{padding:10px 13px;border-bottom:1px solid #e8f0f3}
.calc-table-wrap td:first-child,.calc-table-wrap th:first-child{text-align:left}
.calc-workspace button:focus-visible,.calc-filters button:focus-visible{outline:3px solid #0e9e8a;outline-offset:3px}
@media(min-width:1400px){.calc-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.calc-tile-art{height:180px}
}
@media(max-width:1100px){.calc-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.calc-work-grid{grid-template-columns:270px minmax(0,1fr)}
.calc-results{grid-template-columns:repeat(2,minmax(0,1fr))}
.calc-results-panel .calc-panel-heading{flex-wrap:wrap}
.calc-live{display:none}
}
@media(max-width:800px){.calc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.calc-work-grid{grid-template-columns:1fr}
.calc-input-panel #calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.calc-input-panel .calc-field:first-child:has(select){grid-column:1/-1}
.calc-viewport{height:360px}
.calc-catalog-top{align-items:flex-start;flex-direction:column}
.calc-search{width:100%}
.calc-hero{padding:40px 0}
.calc-hero p{font-size:15px}
.calc-heading{margin:20px 0}
.calc-results{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:480px){.calc-grid{gap:12px}
.calc-tile-art{height:125px;padding:8px}
.calc-tile-info{padding:13px}
.calc-tile h3{font-size:14px}
.calc-tile p{font-size:11px}
.calc-tile-number{font-size:8px;top:8px;left:9px}
.calc-input-panel,.calc-results-panel{padding:17px}
.calc-results{grid-template-columns:repeat(2,minmax(0,1fr))}
.calc-view-bottom{padding:12px 10px}
.calc-view-tools button{padding:6px}
.calc-viewport{height:300px}
.calc-result-tools label{display:none}
.calc-filters button{padding:8px 10px;font-size:11px}
.calc-catalog{padding-top:30px}
}
@media(prefers-reduced-motion:reduce){.calc-tile{transition:none}
.calc-tile:hover{transform:none}
}