#rc386 *{box-sizing:border-box}#rc386{margin:0;background:#fff;color:#263b50;font:15px/1.5 Arial,sans-serif}#rc386 main{max-width:1160px;margin:auto;padding:24px 24px 45px}#rc386 h2,#rc386 h3{color:#142e50;line-height:1.25}#rc386 h2{font-size:19px;margin:0 0 12px}#rc386 .subtitle{color:#718195;margin:0 0 25px}#rc386 .crumb{font-size:12px;color:#7a8b9c}#rc386 .presets{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}#rc386 .presets button{height:104px;display:flex;align-items:center;text-align:left;gap:10px;padding:12px;border:1px solid #d7e3ed;background:#fff;border-radius:12px;color:#1c3553}#rc386 .presets svg{width:87px;flex:none}#rc386 .presets b{display:block;font-size:15px}#rc386 .presets small{display:block;margin-top:5px;color:#738397}#rc386 .presets .selected{border:2px solid #18a18c;background:#f6fcfa;box-shadow:0 3px 11px #143a5010}#rc386 .layout{display:grid;grid-template-columns:326px minmax(0,1fr);gap:22px}#rc386 .panel{border:1px solid #d8e4ed;border-radius:12px;padding:22px;background:#fff;box-shadow:0 3px 15px #1e496004}#rc386 .eyebrow{font-size:11px;letter-spacing:1.3px;font-weight:700;color:#60768c;margin-bottom:9px}#rc386 .inputs{align-self:start}#rc386 .inputs h2{margin-bottom:23px}#rc386 label{font-size:13px;display:flex;justify-content:space-between;font-weight:700;margin:17px 0 7px}#rc386 em{font-family:Georgia;font-size:18px;font-weight:400}#rc386 input{width:100%;height:48px;border:1px solid #cbdae7;border-radius:7px;background:#fff;padding:10px 13px;font:18px Arial;color:#213950}#rc386 input::-webkit-inner-spin-button{opacity:1}#rc386 .hint{font-size:12px;color:#77889b;margin:7px 0 0}#rc386 .formula{font-family:Georgia,serif;font-size:19px;padding:18px;background:#f4f8fc;border:1px solid #e1eaf1;border-radius:8px;margin:23px 0}#rc386 .primary,#rc386 .reset{width:100%;height:44px;border-radius:7px;font-weight:700}#rc386 .primary{border:0;background:#2266d6;color:white}#rc386 .reset{border:1px solid #dbe5ed;background:#fff;color:#64778d;margin-top:9px}#rc386 .note{font-size:12px;border-top:1px solid #e2ebf2;margin-top:23px;padding-top:20px;color:#64788c}#rc386 .note b{color:#314d67}#rc386 .note p{margin:7px 0}#rc386 .results{display:grid;gap:16px}#rc386 .result{border:1px solid #a9dfce;background:linear-gradient(115deg,#e4f8ef,#f0fcf7);padding:23px 26px;border-radius:12px}#rc386 .result .eyebrow{color:#257b69}#rc386 .result strong{font-size:58px;line-height:1.12;letter-spacing:-2px;color:#087d65}#rc386 .result p{margin:5px 0 17px;color:#4f8276;font-size:14px}#rc386 .result-bottom{display:grid;grid-template-columns:1.5fr 1fr;border-top:1px solid #bee7da;padding-top:15px;color:#47796d;font-size:12px}#rc386 .result-bottom b{display:block;font-size:25px;color:#126c59;margin-top:3px}#rc386 .section-head{display:flex;justify-content:space-between;gap:10px;align-items:start}#rc386 .pill{white-space:nowrap;border:1px solid #c5e8df;background:#f0faf6;color:#25806d;border-radius:20px;padding:4px 10px;font-size:11px}#rc386 .terms{display:flex;align-items:center;gap:7px;margin:16px 0 12px}#rc386 .term{flex:1;background:#f7faff;border:1px solid #d5e4ee;border-radius:8px;text-align:center;padding:9px 4px}#rc386 .term small{display:block;color:#71879b;font-size:11px}#rc386 .term b{font-size:22px;color:#244d77}#rc386 .term.end{background:#e8f8f1;border-color:#b6e4d2}#rc386 .term.end b{color:#13836c}#rc386 .arrow{font-size:10px;color:#628eaa;white-space:nowrap}#rc386 .ellipsis{color:#8195a8}#rc386 .key{font-size:11px;color:#317eac;white-space:nowrap}#rc386 .chart svg{display:block;width:100%;height:auto;margin-top:6px}#rc386 .chart-note{color:#78899a;font-size:11px;border-top:1px solid #edf1f5;padding-top:10px}#rc386 .watermark{text-align:right;margin-top:10px}#rc386 .watermark img{width:135px;height:auto;opacity:.7}#rc386 .actions{display:flex;gap:10px}#rc386 .actions button{background:#fff;border:1px solid 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.inputs{min-width:0}#rc386 h2,#rc386 h3,#rc386 .presets b,#rc386 .related>div,#rc386 .inputs label{color:#0d2056}#rc386 .panel{box-shadow:none;border-color:#cfe1f6}#rc386 .presets .selected{border-color:#0867ff;background:#fff;box-shadow:0 0 0 2px #0867ff08}#rc386 .presets button{position:relative;padding-left:15px;border-color:#cfe1f6}#rc386 .presets button:before{content:'';position:absolute;top:8px;left:8px;width:7px;height:7px;border:1px solid #c4d8ee;border-radius:50%}#rc386 .presets .selected:before{border:2px solid #0870ff;background:#6aa0ff}#rc386 .inputs{display:grid;grid-template-columns:1fr 138px;column-gap:12px;align-items:center}#rc386 .inputs>.eyebrow,#rc386 .inputs>h2,#rc386 .inputs>.hint,#rc386 .inputs>.formula,#rc386 .inputs>button,#rc386 .inputs>.note{grid-column:1/-1}#rc386 .inputs>label{margin:10px 0}#rc386 .inputs>input{height:37px;margin:6px 0;font-size:15px;text-align:right}#rc386 .inputs .hint{margin:0 0 7px}#rc386 .inputs .formula{margin:17px 0}#rc386 .inputs h2{margin-bottom:15px}#rc386 .layout{grid-template-columns:370px minmax(0,1fr);gap:16px}#rc386 .result strong{font-size:52px}#rc386 .result-bottom b{color:#0d2056}#rc386 .actions{margin:18px 0}#rc386 .actions button{flex:1;color:#0867ff;border-color:#6ca6ff;border-radius:5px;background:#fff}#rc386 .lower-standard{grid-template-columns:1fr 1fr}#rc386 .lower-standard .faq{margin:0}#rc386 .faq>div{border:1px solid #d5e4f5;padding:9px 10px;margin-top:8px;border-radius:5px;font-size:12px;font-weight:400;color:#152653}#rc386 .faq span{color:#152653}#rc386 .source{border:0;border-top:1px solid #d9e6f6;border-radius:0;background:#fff;padding:21px 0 0;margin:23px 0}#rc386 .source-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}#rc386 .source-grid>div{display:flex;gap:16px;align-items:center;border:1px solid #d1e2f6;border-radius:7px;padding:17px 14px}#rc386 .source-grid b{color:#087baa;font-size:18px}#rc386 .source-grid strong{font-size:11px;color:#0d2056;display:block}#rc386 .source-grid small{display:block;margin-top:5px;font-size:10px;color:#73879f}#rc386 .source .source-disclaimer{text-align:center;font-size:10px;color:#7a8fa9;margin:12px 0 23px}#rc386 .related>div{border-color:#d1e2f6}#rc386 .terms{min-width:0}#rc386 .results>.panel{min-width:0}#rc386 .inputs{min-width:0}#rc386 .gauss{margin-top:18px}#rc386 .chart svg{min-width:0}@media(max-width:1000px){#rc386 .layout{grid-template-columns:1fr}#rc386 .lower-standard{grid-template-columns:1fr}#rc386 .source-grid{grid-template-columns:1fr}#rc386 .inputs{grid-template-columns:1fr 138px}#rc386 .results>.panel{max-width:100%}#rc386 .terms{display:flex;max-width:100%;overflow-x:auto}#rc386 .term{flex:0 0 48px}#rc386 .arrow{flex:none}#rc386 .actions{flex-wrap:wrap}#rc386 .actions button{min-width:135px}#rc386 .gauss .section-head{flex-wrap:wrap}#rc386 .gauss-bottom{min-width:0}#rc386 .gauss-bottom .math{display:block}#rc386 .frac{vertical-align:middle;margin:0 5px}}#rc386 [hidden]{display:none!important}#rc386 .ar-night{display:none}#rc386 .result strong,#rc386 .result b,#rc386 .math,#rc386 .step b{overflow-wrap:anywhere}#rc386 button{cursor:pointer}#rc386 button:focus-visible,#rc386 summary:focus-visible,#rc386 a:focus-visible,#rc386 input:focus-visible{outline:3px solid #69a8ff;outline-offset:3px}#rc386 button:disabled{opacity:.5;cursor:not-allowed}#rc386 #arError{grid-column:1/-1;color:#8c4822;background:#fff5e7;border:1px solid #e3c48b;border-radius:6px;padding:10px;font-size:12px}#rc386 .result.invalid{background:#fff6e6;border-color:#e5c88e}#rc386 .result strong.long{font-size:30px}#rc386 .term-list{margin-top:15px;font-size:12px}#rc386 .term-list summary{cursor:pointer;color:#1a477b}#rc386 .table-scroll{max-height:300px;overflow:auto;margin-top:10px}#rc386 table{width:100%;border-collapse:collapse;font-size:12px}#rc386 th,#rc386 td{padding:8px;text-align:right;border-bottom:1px solid #dce8f2;overflow-wrap:anywhere}#rc386 th{background:#f3f8fd;position:sticky;top:0}#rc386 .faq details{border:1px solid #d5e4f5;padding:9px 10px;margin-top:8px;border-radius:5px;font-size:12px}#rc386 .faq summary{cursor:pointer;color:#142653}#rc386 .faq p{color:#647991;line-height:1.6}#rc386 .source-grid a{text-decoration:none}#rc386 .source-grid a>div{display:flex;align-items:center;gap:14px;border:1px solid #d1e2f6;border-radius:7px;padding:17px 14px;height:100%}#rc386 #arFallback{width:100%;min-height:180px}#rc386 #arPlot circle{cursor:pointer}#rc386 #arPlot circle:hover,#rc386 #arPlot circle:focus{r:7;outline:none;stroke:#103a65;stroke-width:2}#rc386 #arPlot{overflow:hidden}#rc386 .step>p{min-width:0}#rc386 .result-bottom>span{min-width:0}#rc386 .pairs{overflow-x:auto}#rc386 .pair{min-width:0}#rc386 .pair b{overflow-wrap:anywhere}#rc386 .gauss-bottom .math{flex-wrap:wrap}#rc386 #arHover{min-height:18px}#rc386 .source-grid a{min-width:0}#rc386 .source-grid span{min-width:0}html.st-master-dark #rc386{color:#c8d8e9}html.st-master-dark #rc386 h2,html.st-master-dark #rc386 h3,html.st-master-dark #rc386 label,html.st-master-dark #rc386 .presets b,html.st-master-dark #rc386 .source-grid strong{color:#e6efff}html.st-master-dark #rc386 .panel,html.st-master-dark #rc386 .presets button,html.st-master-dark #rc386 .source,html.st-master-dark #rc386 .reset,html.st-master-dark #rc386 .actions button{background:#102238;border-color:#304961;color:#d2e2f3}html.st-master-dark #rc386 input{background:#0c1c2f;color:#eef5ff;border-color:#48627e;color-scheme:dark}html.st-master-dark #rc386 .presets .selected{border-color:#67a0ff}html.st-master-dark #rc386 .term,html.st-master-dark #rc386 .pair,html.st-master-dark #rc386 .formula,html.st-master-dark #rc386 th{background:#152c43;border-color:#304c65;color:#d7e5f4}html.st-master-dark #rc386 .term b,html.st-master-dark #rc386 .pair b,html.st-master-dark #rc386 .math{color:#d8eaff}html.st-master-dark #rc386 .result,html.st-master-dark #rc386 .gauss-bottom,html.st-master-dark #rc386 .term.end,html.st-master-dark #rc386 .pill{background:#123b36;border-color:#276557}html.st-master-dark #rc386 .result strong,html.st-master-dark #rc386 .result b,html.st-master-dark #rc386 .math b,html.st-master-dark #rc386 .term.end b{color:#88ead1}html.st-master-dark #rc386 .result p,html.st-master-dark #rc386 .result .eyebrow,html.st-master-dark #rc386 .result-bottom,html.st-master-dark #rc386 .pill{color:#a1d7c9}html.st-master-dark #rc386 .result-bottom{border-color:#2c6458}html.st-master-dark #rc386 .hint,html.st-master-dark #rc386 .note,html.st-master-dark #rc386 .note b,html.st-master-dark #rc386 .eyebrow,html.st-master-dark #rc386 .subtitle,html.st-master-dark #rc386 .gauss>p,html.st-master-dark #rc386 .faq p{color:#a6b9cf}html.st-master-dark #rc386 .faq summary,html.st-master-dark #rc386 .term-list summary{color:#d9e8ff}html.st-master-dark #rc386 .faq details,html.st-master-dark #rc386 td,html.st-master-dark #rc386 .source-grid a>div{border-color:#304961}html.st-master-dark #rc386 .ar-day{display:none}html.st-master-dark #rc386 .ar-night{display:inline}html.st-master-dark #rc386 .gridline{stroke:#263e57}html.st-master-dark #rc386 #arPlot text{fill:#b2c9df}html.st-master-dark #rc386 .result.invalid{background:#422f1a;border-color:#98763c}html.st-master-dark #rc386 #arError{background:#422f1a;color:#ffd899;border-color:#98763c}html.st-master-dark #rc386{background:transparent}html.st-master-dark #rc386 .chart-note,html.st-master-dark #rc386 .note{border-color:#304961;color:#abc0d7}html.st-master-dark #rc386 .step>span{background:#193850;border-color:#385774;color:#acd7ff}#rc386 .result-bottom b{font-size:22px}#rc386 .result-bottom b,#rc386 .term b{overflow-wrap:anywhere}/* W384: restore the shared compact two-column calculator proportions. */
#rc386 .layout{grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:16px;align-items:start}#rc386 .results{gap:12px;align-content:start}#rc386 .results>.panel{padding:17px 18px}#rc386 .result{padding:16px 18px}#rc386 .result strong{font-size:42px;line-height:1.08;letter-spacing:-1px}#rc386 .result .eyebrow{margin-bottom:5px;font-size:10px}#rc386 .result>p{font-size:12px;margin:5px 0 11px}#rc386 .result-bottom{padding-top:10px}#rc386 .result-bottom b{font-size:20px;margin-top:2px}#rc386 .results h2{font-size:17px;margin-bottom:9px}#rc386 .terms{margin:12px 0 9px;gap:5px}#rc386 .term{padding:7px 3px}#rc386 .term b{font-size:19px}#rc386 .arrow{font-size:9px}#rc386 .term-list{margin-top:10px}#rc386 .chart svg{max-height:255px;margin-top:0}#rc386 .watermark{margin-top:6px}#rc386 .step>span{background:#e7f0ff;border:1px solid #c6dcff;color:#0867ff;font-weight:700}html.st-master-dark #rc386 .step>span{background:#193b69;border-color:#3c6cab;color:#91c0ff}
@media(max-width:1000px){#rc386 .layout{grid-template-columns:1fr}#rc386 .chart svg{max-height:none}#rc386 .term{flex:0 0 48px}}
@media(max-width:430px){#rc386 .result strong.long{font-size:28px}#rc386 .result-bottom b{font-size:18px}}/* W385: shared ST page architecture — paired outer panels and centered summary. */
#rc386{color:#172f67;font-size:14px}#rc386 .layout{grid-template-columns:minmax(0,.97fr) minmax(0,1.03fr);gap:10px;align-items:stretch}#rc386 .panel{border:1px solid #ccddf4;border-radius:7px;padding:14px;box-shadow:0 0 2px #bccfe633}#rc386 h2{font-size:18px;line-height:1.3;margin:0 0 13px;color:#10285e;font-weight:750}#rc386 .subtitle{color:#244878;font-size:14px;margin:15px 0 12px}#rc386 .presets{gap:9px;margin-bottom:12px}#rc386 .presets button{border-radius:7px;color:#172f67}#rc386 .presets .selected{background:#e8f5ff;border-color:#0867ff}#rc386 .inputs{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-self:stretch;align-content:start;column-gap:12px}#rc386 .inputs>h2{margin-bottom:14px}#rc386 .inputs label{font-size:13px;line-height:1.5;color:#172f67}#rc386 .inputs input{height:36px;text-align:left;font-size:14px;color:#254b80;border-color:#c6d9f1;border-radius:5px;margin:6px 0}#rc386 .inputs .hint{font-size:11px;color:#5d7da3}#rc386 .inputs>.formula{margin:14px 0 12px;font-size:20px;padding:16px;text-align:center;border-color:#d4e3f5;background:#eef7ff;color:#153d74}#rc386 .sequencebox{grid-column:1/-1;padding:12px 0;border-top:1px solid #d3e2f4;margin-top:3px}#rc386 .sequencebox .section-head h2{font-size:15px;margin-bottom:6px}#rc386 .terms{gap:4px;margin:12px 0 9px}#rc386 .term{padding:8px 3px;min-width:0}#rc386 .term b{font-size:19px}#rc386 .term-list{font-size:11px;margin-top:10px}#rc386 .form-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 0}#rc386 .form-actions button{margin:0;height:40px;border-radius:5px;font-size:13px}#rc386 .form-actions .primary{background:#0867ff}#rc386 .form-actions .reset{border-color:#548cff;color:#0867ff}#rc386 .note{margin-top:15px;padding:11px 12px;border:1px solid #cfe1f6;background:#eaf6ff;border-radius:5px;font-size:11px;color:#244a7a}#rc386 .note b{color:#183b73}#rc386 .resultpanel{padding:14px;gap:10px;align-content:start;min-width:0}#rc386 .result-heading{display:flex;justify-content:space-between;align-items:start;gap:8px}#rc386 .result-heading h2{margin:0;font-size:18px}#rc386 .summary-tag{font-size:9px;color:#0867ff;background:#edf6ff;border:1px solid #d4e6fa;border-radius:4px;padding:4px 6px;white-space:nowrap}#rc386 .result{padding:19px 15px 16px;border-radius:6px;text-align:center;background:linear-gradient(110deg,#e0f9ef,#fbfffd);border:1px solid #afe6d2}#rc386 .result .eyebrow{font-size:11px;letter-spacing:0;font-weight:500;color:#276e60;margin-bottom:7px}#rc386 .result strong{font-size:46px;font-weight:800;letter-spacing:-1px;color:#075d4c}#rc386 .result>p{font-size:12px;margin:8px 0 0;color:#286f61}#rc386 .result-bottom{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0;border:0}#rc386 .result-bottom>span{border:1px solid #cddff5;border-radius:5px;padding:10px 5px;text-align:center;font-size:10px;color:#1a386c;background:#fff;display:flex;flex-direction:column;justify-content:center}#rc386 .result-bottom b{color:#10285e;font-size:21px;line-height:1.3;margin-top:5px}#rc386 .results>.chart{padding:12px;border-radius:6px;margin:0}#rc386 .results .chart h2{font-size:17px;margin-bottom:5px}#rc386 .chart svg{max-height:245px}#rc386 .chart-note{font-size:10px;color:#6684a5;border-color:#dbe7f4}#rc386 #arHover{font-size:10px}#rc386 .gauss{margin:11px 0 0;padding:14px}#rc386 .gauss h2{font-size:18px}#rc386 .gauss .eyebrow{display:none}#rc386 .gauss>p{font-size:12px;color:#56759d}#rc386 .pairs{margin:14px 0;gap:9px}#rc386 .pair{padding:10px;border-radius:5px}#rc386 .pair b{font-size:21px}#rc386 .gauss-bottom{padding:13px;border-radius:5px}#rc386 .math{font-size:21px;color:#173d70}#rc386 .actions{margin:10px 0;gap:8px}#rc386 .actions button{height:36px;padding:6px 10px;font-size:12px;border-color:#518bff;border-radius:5px;color:#0867ff}#rc386 #arStatus:empty{display:none}#rc386 .lower-standard{gap:10px}#rc386 .lower-standard>.panel{padding:14px}#rc386 .lower-standard .formula{padding:14px;font-size:18px;background:#eaf6ff;border-color:#cbdff6;border-radius:5px}#rc386 .step{gap:10px;margin-top:13px}#rc386 .step>span{width:24px;height:24px;background:#0867ff;color:#fff;border:0;font-size:11px;font-weight:700}#rc386 .step p{font-size:12px;color:#244878}#rc386 .faq details{padding:9px 10px;border-radius:4px;border-color:#cbdff5;margin-top:7px}#rc386 .faq summary{font-size:12px;color:#173869}#rc386 .source{margin:11px 0 0;padding:14px;border-radius:7px;background:#fff}#rc386 .source h2{font-size:18px}#rc386 .source-grid{gap:9px}#rc386 .source-grid a>div{padding:11px 12px;border-radius:5px;border-color:#ccdef5;gap:12px}#rc386 .source-grid b{font-size:17px}#rc386 .source-grid span{border-left:1px solid #cddff4;padding-left:12px}#rc386 .source .source-disclaimer{font-size:10px;margin:10px 0 0}html.st-master-dark #rc386 .result{background:linear-gradient(110deg,#123d36,#102d2d);border-color:#2b6458}html.st-master-dark #rc386 .result strong{color:#8ce9d0}html.st-master-dark #rc386 .result-bottom>span{background:#13283e;color:#b6cce5;border-color:#36516c}html.st-master-dark #rc386 .result-bottom b{color:#e4efff}html.st-master-dark #rc386 .inputs label,html.st-master-dark #rc386 .step p{color:#cedff2}html.st-master-dark #rc386 .note{background:#142e48;border-color:#365677}html.st-master-dark #rc386 .step>span{background:#287aef;color:#fff;border:0}html.st-master-dark #rc386 .summary-tag{background:#193550;color:#a8d1ff;border-color:#365574}html.st-master-dark #rc386 .source-grid span{border-color:#36516c}html.st-master-dark #rc386 .sequencebox{border-color:#36516c}
@media(max-width:1000px){#rc386 .layout{grid-template-columns:1fr}#rc386 .term{flex:1 0 45px}#rc386 .chart svg{max-height:none}#rc386 .result-heading{flex-wrap:wrap}}
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#rc386 #rcPlot .triangle{fill:#e4f6f0!important;stroke:none!important}html.st-master-dark #rc386 #rcPlot .triangle{fill:#183e3d!important}#rc386 #rcPlot .curve,#rc386 #rcPlot .tangent{fill:none!important}#rc386 #rcSlider{direction:rtl}#rc386 #rcPlot text{font-family:Arial,sans-serif;font-weight:400;letter-spacing:0}