@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:light;--bg:#f5f6f3;--surface:#fff;--ink:#202e31;--muted:#627175;--line:#dce2dd;--accent:#184f57;--accent-soft:#e8f1ed;--amber:#88521d;--amber-soft:#faf0df;--danger:#9f4337;--danger-soft:#f9ece8;--subtle:#eef1ed;--chart:#267065;--naive:#a67a48}
:root[data-theme=dark]{color-scheme:dark;--bg:#151d20;--surface:#1d292c;--ink:#e2eeea;--muted:#a5b6b5;--line:#354448;--accent:#a5d9cb;--accent-soft:#233f3d;--amber:#efd19b;--amber-soft:#40362b;--danger:#f4b0a0;--danger-soft:#422e2c;--subtle:#253236;--chart:#8bcbbb;--naive:#dab481}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 'Manrope',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}a{color:var(--accent);text-underline-offset:4px}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid var(--accent);outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:46px;letter-spacing:-2px;line-height:1.1;font-weight:800}h2{font-size:22px;letter-spacing:-.6px;line-height:1.3}h3{font-size:16px;font-weight:800;letter-spacing:-.35px}button{border-radius:5px}sub{font-size:.6em}main{max-width:1520px;margin:auto;padding:0 42px}.masthead{display:flex;justify-content:space-between;align-items:center;padding:22px 42px;border-bottom:1px solid var(--line);max-width:1600px;margin:auto}.brand{display:flex;align-items:center;gap:13px;font-size:11px;font-weight:800;letter-spacing:1.2px;text-decoration:none;color:var(--ink)}.brand svg{color:var(--accent)}.brand-sub{display:block;color:var(--muted);font-size:9px;letter-spacing:2.25px;font-weight:500}.header-right{display:flex;align-items:center;gap:22px}.version,.small-label,.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:1.1px}.version{color:var(--muted)}.icon-button{border:1px solid var(--line);background:transparent;color:var(--ink);min-height:44px;padding:0 15px;font-size:12px}.intro{display:flex;justify-content:space-between;gap:50px;padding:45px 0 36px;align-items:center}.eyebrow{color:var(--muted);margin-bottom:13px}.title-dot{color:var(--chart)}.lede{font-size:17px;line-height:1.6;color:var(--muted);margin-top:14px}.scope-note{max-width:385px;border-left:1px solid var(--line);padding-left:28px}.scope-note p{margin:9px 0 10px;font-size:13px;color:var(--muted)}.scope-note a{font-size:12px;font-weight:700}.mobile-break{display:none}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin-bottom:26px}.examples{display:flex;align-items:center;gap:12px}.examples label{font-size:12px;font-weight:700;margin:0}.examples select{width:230px;min-height:42px;font-size:12px}.runtime{font:11px 'IBM Plex Mono',monospace;color:var(--muted);display:flex;align-items:center;gap:8px;white-space:nowrap}.pulse{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--chart)}.workspace{display:grid;grid-template-columns:345px minmax(0,1fr);gap:28px;align-items:start}.input-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.panel-heading h2{font-size:18px}.small-label{color:var(--muted)}label{display:block;font-size:11px;font-weight:700;margin:15px 0 7px}label span{color:var(--muted);font-weight:500}.optional{font-size:10px;margin-left:3px}input,select,textarea{border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);width:100%;padding:10px 11px;min-height:44px;font-size:12px}input[type=number],textarea#doses{font-family:'IBM Plex Mono',monospace}input::placeholder,textarea::placeholder{color:var(--muted);opacity:.72}textarea{resize:vertical}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field-grid>div{min-width:0}.range-input:has([hidden]){grid-template-columns:1fr}.field-top{display:flex;justify-content:space-between;align-items:center;margin-top:17px}.field-top label{margin:0 0 7px}.checkbox{display:flex;align-items:center;gap:6px;font-size:10px;font-weight:500;min-height:28px}.checkbox input{width:14px;height:14px;min-height:0;accent-color:var(--accent);margin:0}.hint{font-size:10px;color:var(--muted);line-height:1.65;margin-top:6px}.tolerance-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px}.tolerance-row label{margin:0}.suffix-field{position:relative;width:87px}.suffix-field input{padding-right:25px}.suffix-field>span{position:absolute;right:11px;top:10px;color:var(--muted);font-size:12px}.form-section{border-top:1px solid var(--line);margin-top:21px;padding-top:15px}summary{cursor:pointer;min-height:30px;font-size:12px;font-weight:800}summary span{font-weight:400;color:var(--muted);font-size:10px;float:right}select+textarea{margin-top:7px}.assumption-field{margin-top:15px;border-top:1px dashed var(--line);padding-top:3px}.assumption-field label{font-size:11px;line-height:1.5}.assumption-field textarea{margin-top:6px;min-height:44px;font-size:10px}.compare-enable{font-size:11px;margin-bottom:0}.primary{border:1px solid var(--accent);background:var(--accent);color:var(--surface);width:100%;min-height:48px;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:space-between;padding:12px 15px;margin-top:22px}.secondary{background:var(--surface);border:1px solid var(--line);color:var(--ink);min-height:42px;padding:9px 13px;font-size:11px;font-weight:700;white-space:nowrap}.secondary:hover,.icon-button:hover{background:var(--subtle)}.privacy-note{font-size:10px;text-align:center;color:var(--muted);margin:12px 0 0}.error-box{padding:13px;background:var(--danger-soft);border:1px solid var(--danger);color:var(--danger);font-size:12px;margin:16px 0;border-radius:4px}.error-box p{margin-bottom:10px}.output-panel{min-width:0}.empty-state{padding:57px 36px 30px;border:1px solid var(--line);background:var(--surface);border-radius:8px}.empty-symbol{font-family:'IBM Plex Mono',monospace;font-size:32px;letter-spacing:-1px;color:var(--accent);display:block;margin-bottom:42px}.empty-state 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Mono',monospace;white-space:normal}.warning{background:var(--amber-soft);color:var(--amber)}.decision{padding:21px 23px;border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:5px}.decision.warn{border-left-color:var(--amber);background:var(--amber-soft)}.decision.unsupported{border-left-color:var(--danger);background:var(--danger-soft)}.decision h3{font-size:20px;margin:10px 0 9px}.decision p{font-size:12px;line-height:1.7;max-width:720px}.decision .status-line{font:10px 'IBM Plex Mono',monospace;letter-spacing:.2px}.decision .secondary-assessment{font-weight:700;margin-bottom:6px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--surface);border-radius:5px;margin:17px 0 20px}.metric{padding:18px 15px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric label{margin:0;font-size:10px;font-weight:500;color:var(--muted)}.metric strong{display:block;font:21px/1.4 'IBM Plex Mono',monospace;margin-top:9px;letter-spacing:-1px}.metric .unit{font-size:11px;letter-spacing:0;color:var(--muted);margin-left:4px}.metric small{display:block;margin-top:6px;font-size:9px;color:var(--muted);line-height:1.5}.plot-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.plot-card{background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:18px 16px 12px;min-width:0}.plot-card h3{font-size:13px}.plot-card p{font-size:10px;color:var(--muted);margin-top:2px}.plot-card canvas{display:block;width:100%;height:220px;margin-top:8px}.chart-legend{display:flex;align-items:center;gap:7px;font-size:9px;color:var(--muted);flex-wrap:wrap}.legend-line{width:17px;height:2px;background:var(--chart);display:inline-block}.legend-line.dashed{height:0;border-top:2px dashed var(--naive);background:none;margin-left:8px}.legend-line.naive{background:var(--naive);margin-left:8px}.chart-caption{font-size:10px;line-height:1.7;color:var(--muted);margin:9px 0 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.status.bad{color:var(--danger)}.rec-footer{font-size:10px;color:var(--muted);margin-top:15px}.export-actions{display:flex;gap:7px}.table-card{padding:0}.table-card .section-heading{padding:20px 20px 0}.table-scroll{width:100%;overflow-x:auto}table{border-collapse:collapse;font:10px/1.65 'IBM Plex Mono',monospace;text-align:right;min-width:720px;width:100%}th,td{padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{font:10px/1.5 'Manrope',sans-serif;background:var(--subtle);text-align:right;font-weight:700}th span{color:var(--muted);font-size:9px;font-weight:500}th:first-child,td:first-child{text-align:left;padding-left:20px}td:last-child{text-align:left;font-family:'Manrope',sans-serif;white-space:normal;min-width:98px}.table-note{font-size:10px;color:var(--muted);padding:14px 20px}.record-grid{margin-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.record-item{padding:12px;background:var(--subtle);font-size:11px;border-radius:4px}.record-item strong{display:block;font-size:10px;margin-bottom:5px}.record-item p{color:var(--muted);font-size:10px;overflow-wrap:anywhere}.record-item .badge{margin:0 0 6px}.warnings{font-size:10px;color:var(--muted);padding-left:17px;line-height:1.8;margin-bottom:0}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.comparison-grid div{padding:15px;background:var(--subtle);font-size:12px}.comparison-grid strong{display:block;font-size:10px;color:var(--muted);margin-bottom:7px}.comparison-status{font-size:11px;margin-top:15px}.method{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.5fr;gap:100px;margin-top:55px;padding:45px 0 50px}.method h2{font-size:28px;line-height:1.3}.method p:not(.eyebrow):not(.formula){font-size:12px;color:var(--muted);margin:15px 0 20px;max-width:600px}.method-detail h3{font-size:12px}.formula{font:19px/1.7 'IBM Plex Mono',monospace;margin:12px 0}.method-links{display:flex;flex-wrap:wrap;gap:10px 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@media(min-width:1550px){h1{font-size:50px}}
@media(max-width:1200px){main{padding:0 25px}.masthead{padding:18px 25px}.workspace{grid-template-columns:300px minmax(0,1fr);gap:20px}.input-panel{padding:18px}.toolbar{flex-wrap:wrap}.metric strong{font-size:17px}.metric{padding:15px 11px}.result-card{padding:18px}.table-card{padding:0}.rec-option{padding:12px}.rec-option>strong{font-size:17px}.method{gap:45px}.scope-note{max-width:310px}.plot-card{padding:14px 10px}.empty-state{padding:40px 25px}.empty-steps{gap:15px}}
@media(max-width:950px){.workspace{grid-template-columns:280px minmax(0,1fr);gap:16px}.plot-grid{grid-template-columns:1fr}.rec-options{grid-template-columns:1fr}.metrics{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--line);padding:12px 16px}.metric strong{font-size:21px;margin:3px 0}.metric small{margin:0}.scope-note{display:none}.empty-steps{grid-template-columns:1fr;margin:28px 0;gap:18px}.empty-steps span{display:inline-block;margin-right:10px;margin-bottom:4px}.empty-steps strong{display:inline}.empty-steps p{margin-top:1px}.record-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-wrap:wrap}.version{display:none}}
@media(max-width:700px){main{padding:0 18px}.masthead{padding:14px 18px}.brand{font-size:9px;gap:9px;letter-spacing:.9px}.brand-sub{font-size:8px;letter-spacing:1.5px}.brand svg{width:28px}.icon-button{font-size:10px;padding:0 10px}.intro{padding:30px 0 25px}h1{font-size:37px;letter-spacing:-1.7px}.eyebrow{font-size:9px}.lede{font-size:14px;margin-top:13px}.mobile-break{display:block}.toolbar{padding:16px 0;gap:13px}.examples{flex-wrap:wrap;gap:9px;width:100%}.examples label{width:100%;font-size:11px}.examples select{flex:1;min-width:0;width:190px}.runtime{font-size:9px}.workspace{display:flex;flex-direction:column;gap:22px}.input-panel,.output-panel{width:100%}.input-panel{padding:21px}.empty-state{padding:32px 24px}.empty-symbol{font-size:28px;margin-bottom:26px}.empty-state h2{font-size:23px}.empty-state>p:not(.eyebrow){font-size:12px}.empty-steps{grid-template-columns:1fr}.results-heading h2{font-size:16px}.decision{padding:18px}.decision h3{font-size:18px}.metrics{grid-template-columns:1fr}.metric strong{font-size:23px}.plot-grid{grid-template-columns:1fr}.plot-card{padding:18px}.plot-card canvas{height:240px}.rec-options{grid-template-columns:1fr}.record-grid{grid-template-columns:1fr}.method{grid-template-columns:1fr;gap:30px;margin-top:35px;padding:32px 0}.method h2{font-size:25px}.formula{font-size:16px}.method p:not(.eyebrow):not(.formula){font-size:11px}.method-links{flex-direction:column}footer{padding:22px 18px;flex-direction:column;gap:10px;font-size:9px}.results-heading{flex-wrap:wrap}.comparison-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}