:root{color:#112c61;font-synthesis:none;--navy:#102f6b;--blue:#064acb;--line:#d8e3f1;--muted:#607295;--green:#0a8f35;--green-soft:#69b85333;--green-edge:#4696347a;--red:#ed424c;background:#f2f7ff;font-family:Segoe UI,Inter,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;background:#f2f7ff;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #064acb2e}.topbar{z-index:20;border-bottom:1px solid var(--line);background:#fffffff7;grid-template-columns:minmax(230px,1fr) minmax(260px,1.2fr) 190px auto;align-items:center;gap:26px;min-height:76px;padding:10px 26px;display:grid;position:sticky;top:0}.topbar h1{color:var(--navy);letter-spacing:-.03em;margin:0;font-size:22px;line-height:1.15}.patient-field,.sex-field{border:0;min-width:0;margin:0;padding:0}.patient-field span,.sex-field legend{color:var(--navy);margin-bottom:3px;padding:0;font-size:11px;font-weight:750;display:block}.patient-field input{color:#142e60;background:0 0;border:0;border-bottom:1px solid #0000;width:100%;padding:5px 0 7px;font-size:18px;font-weight:600}.patient-field input::placeholder{color:#8a98b0}.patient-field input:hover,.patient-field input:focus{border-bottom-color:var(--blue);outline:0}.segmented-control{border:1px solid #9fb2d2;border-radius:6px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.segmented-control button{color:var(--navy);background:#fff;border:0;padding:8px 14px}.segmented-control button+button{border-left:1px solid #9fb2d2}.segmented-control .selected{color:#fff;background:var(--navy)}.top-actions{justify-content:flex-end;gap:10px;display:flex}.secondary-button,.danger-button,.primary-button{border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:9px 16px;font-weight:650;transition:all .15s;display:inline-flex}.secondary-button{color:#0645ad;background:#fff;border:1px solid #7c9ed6}.secondary-button:hover{background:#f4f8ff;border-color:#2865c6}.danger-button{color:#df2934;background:#fff;border:1px solid #ef4a52}.danger-button:hover{background:#fff5f5}.primary-button{color:#fff;background:var(--blue);border:1px solid var(--blue)}.primary-button:hover{background:#003da8;transform:translateY(-1px)}.workspace{grid-template-columns:220px minmax(0,1fr);display:grid}.step-rail{border-right:1px solid var(--line);background:#eef5ff;align-self:start;height:calc(100vh - 76px);padding:28px 18px 0 23px;position:sticky;top:76px}.step{color:#566c91;grid-template-columns:34px 1fr 18px;gap:11px;min-height:132px;text-decoration:none;display:grid;position:relative}.step:not(:last-child):after{content:"";background:#9eb5d9;width:1px;height:calc(100% - 20px);position:absolute;top:34px;left:16px}.step-number{z-index:1;color:#587097;background:#f8fbff;border:1px solid #a8bbda;border-radius:50%;place-items:center;width:34px;height:34px;display:grid;position:relative}.step strong{color:#18366c;margin-top:7px;font-size:14px;display:block}.step small{margin-top:6px;font-size:12px;line-height:1.5;display:block}.step:hover strong{color:var(--blue)}.step.complete .step-number{color:var(--blue);border-color:var(--blue);background:#e6f0ff}.step.complete:not(:last-child):after{background:#4f7fcb}.step.active .step-number{color:#fff;background:var(--blue);border-color:var(--blue)}.step.active strong{color:var(--blue)}.step.complete svg{color:var(--blue);margin-top:8px}.main-content{min-width:0;padding:14px 18px 30px}.chart-card,.results-card,.calculation-panel{border:1px solid var(--line);background:#fff;border-radius:9px;max-width:1420px;margin:0 auto 14px;box-shadow:0 2px 10px #1f48820b}.chart-card{padding:18px 20px 2px;scroll-margin-top:90px}.section-heading,.results-heading,.modal-heading{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.section-heading h2,.results-heading h2,.modal-heading h2{color:var(--navy);margin:2px 0 0;font-size:20px}.eyebrow{color:var(--blue);letter-spacing:.09em;text-transform:uppercase;margin:0;font-size:10px;font-weight:800}.formula-note,.results-heading>p{color:var(--muted);margin:4px 0 0;font-size:12px}.chart-legend{color:#415779;flex-wrap:wrap;gap:12px 25px;margin:16px 0 2px 44px;font-size:12px;display:flex}.chart-legend span{align-items:center;gap:8px;display:inline-flex}.chart-legend i{width:25px;height:10px;display:inline-block;position:relative}.legend-band{background:var(--green-soft);border:1px solid var(--green-edge)}.legend-reference:before,.legend-optimum:before{content:"";height:2px;position:absolute;top:5px;left:0;right:0}.legend-reference:before{background:#2867e5}.legend-optimum:before{background:var(--green)}.legend-optimum:after{content:"";background:var(--green);border-radius:50%;width:9px;height:9px;position:absolute;top:1px;left:9px}.legend-result{border:2px solid var(--red);border-radius:50%;width:11px!important;height:11px!important}.chart-scroll{width:100%;overflow:auto hidden}.spoon-chart{width:100%;min-width:960px;height:auto;display:block}.grid-line{stroke:#d9e2ef;stroke-width:1px}.reference-line{stroke:#2867e5;stroke-width:1.7px}.optimal-band{fill:var(--green-soft)}.band-edge{fill:none;stroke:var(--green-edge);stroke-width:1.2px}.optimal-line{fill:none;stroke:var(--green);stroke-width:2.4px;stroke-linejoin:round}.optimal-marker{fill:var(--green);stroke:#fff;stroke-width:2px}.result-marker{fill:#fff;stroke:var(--red);stroke-width:2.5px}.axis-label,.axis-title,.analyte-label,.value-label{font-family:inherit}.axis-label{fill:#315084;font-size:12px}.axis-title{fill:#315084;font-size:13px;font-weight:700}.analyte-label{fill:#263e6c;font-size:10px;font-weight:650}.value-label{fill:#147a31;font-size:10px;font-weight:650}.clinical-value-label{fill:#234a8c;paint-order:stroke;stroke:#fff;stroke-width:2px;font-size:9px;font-weight:700}.results-card{padding:0 22px 20px;scroll-margin-top:90px}.results-heading{border-bottom:1px solid var(--line);padding:18px 0 14px}.optional-panel{background:#f7faff;border:1px solid #dbe6f5;border-radius:8px;max-width:760px;margin:18px auto 2px;padding:12px 16px 14px}.optional-panel legend{color:var(--navy);padding:0 6px;font-size:13px;font-weight:750}.optional-panel p{color:var(--muted);margin:0 0 10px;font-size:11px}.optional-panel>div{flex-wrap:wrap;gap:10px 22px;display:flex}.optional-toggle{color:#294574;align-items:center;gap:7px;font-size:12px;font-weight:650;display:inline-flex}.optional-toggle input{width:16px;height:16px;accent-color:var(--blue)}.groups-layout{max-width:760px;margin:0 auto}.parameter-group{padding:20px 0 9px}.parameter-group+.parameter-group{border-top:1px solid #cfdced}.parameter-group h3{color:var(--navy);margin:0 0 14px;font-size:17px}.parameter-head,.parameter-row{grid-template-columns:minmax(150px,1.45fr) .75fr .65fr .65fr .9fr;align-items:center;gap:10px;display:grid}.parameter-head{color:#536788;border-bottom:1px solid var(--line);padding:0 0 8px;font-size:10px;font-weight:750}.parameter-head span:nth-child(n+2){text-align:center}.parameter-row{color:#183667;border-bottom:1px solid #e8eef6;min-height:43px;font-size:12px;position:relative}.parameter-name{font-weight:650}.parameter-name small{color:#607493;margin-top:2px;font-size:9px;font-weight:550;display:block}.parameter-unit{color:#455d83;text-align:center}.parameter-row input{color:#183667;text-align:center;background:#fff;border:1px solid #cfd9e8;border-radius:5px;width:100%;min-width:0;height:29px;padding:4px 6px}.parameter-row input:hover{border-color:#8ea7ca}.parameter-row input:focus{border-color:var(--blue);outline:2px solid #064acb1a}.parameter-row input.out-of-range,.parameter-row.has-error input:nth-of-type(2){color:#e42e39;border-color:var(--red)}.row-error{color:#e42e39;text-align:right;grid-column:3/6;margin:-2px 0 6px;font-size:9px;font-weight:650}.form-actions{justify-content:center;gap:18px;max-width:760px;margin:0 auto;padding:16px 0 2px;display:flex}.form-actions .primary-button{min-width:280px}.calculation-panel{overflow:hidden}.calculation-panel>button{width:100%;color:var(--navy);background:#fff;border:0;justify-content:space-between;align-items:center;padding:14px 18px;font-weight:700;display:flex}.calculation-panel>button span{align-items:center;gap:8px;display:inline-flex}.calculation-content{color:#526584;gap:14px;padding:0 18px 16px;font-size:13px;line-height:1.55;display:grid}.calculation-content p{margin:0}.formula-legend{color:#334b72}.formula-table-wrap{overscroll-behavior-inline:contain;border:1px solid var(--line);-webkit-overflow-scrolling:touch;border-radius:8px;overflow-x:auto}.formula-table{border-collapse:collapse;color:#263f67;font-variant-numeric:tabular-nums;background:#fff;width:100%;min-width:720px}.formula-table caption{color:var(--navy);text-align:left;background:#f3f7fe;padding:11px 12px;font-weight:800}.formula-table th,.formula-table td{border-top:1px solid var(--line);text-align:left;vertical-align:top;padding:9px 12px}.formula-table thead th{color:#526b95;text-transform:uppercase;white-space:nowrap;background:#fbfdff;font-size:11px}.formula-table tbody th{color:var(--navy);white-space:nowrap;font-weight:700}.formula-table tbody tr:nth-child(2n){background:#f8fbff}.normalization-note{border-left:3px solid var(--blue);background:#f5f9ff;padding:10px 12px}.app-footer{color:#526b95;border-top:1px solid var(--line);background:#f8fbff;justify-content:space-between;align-items:center;gap:20px;padding:15px 28px;font-size:12px;display:flex}.app-footer span,.app-footer button{align-items:center;gap:8px;display:inline-flex}.app-footer button{color:var(--blue);background:0 0;border:0;font-weight:700}.toast{z-index:60;color:#fff;background:#173a75;border-radius:8px;padding:13px 17px;font-size:13px;position:fixed;bottom:24px;right:24px;box-shadow:0 10px 32px #1234693d}.modal-backdrop{z-index:50;background:#0a1c3e80;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.chart-modal{background:#fff;border-radius:12px;width:min(1500px,96vw);max-height:94vh;padding:22px 24px 10px;overflow:auto;box-shadow:0 24px 80px #081e4647}.modal-heading>button{color:#2f4c7d;border:1px solid var(--line);background:#f3f7fc;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}@media (width<=1050px){.topbar{grid-template-columns:1fr 1fr;gap:12px 24px}.top-actions{justify-content:flex-start}.workspace{grid-template-columns:185px minmax(0,1fr)}}@media (width<=720px){.topbar{grid-template-columns:1fr;padding:16px;position:static}.top-actions{grid-template-columns:1fr 1fr;display:grid}.workspace{display:block}.step-rail{z-index:15;border-right:0;border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);height:auto;padding:12px 14px;display:grid;position:sticky;top:0;overflow-x:auto}.step{grid-template-columns:30px 1fr;min-height:auto}.step:not(:last-child):after,.step small,.step svg{display:none}.step-number{width:30px;height:30px}.step strong{margin-top:6px;font-size:11px}.main-content{padding:10px}.section-heading,.results-heading{display:block}.formula-note,.results-heading>p{margin-top:8px}.chart-card,.results-card{padding-left:13px;padding-right:13px}.chart-legend{margin-left:0}.parameter-head,.parameter-row{grid-template-columns:minmax(95px,1.2fr) .65fr .55fr .55fr .78fr;gap:5px}.parameter-head{font-size:9px}.parameter-row{font-size:10px}.form-actions{display:grid}.form-actions .primary-button{min-width:0}.calculation-panel>button{text-align:left;padding:13px}.calculation-content{padding-left:12px;padding-right:12px}.formula-table{min-width:660px;font-size:12px}.app-footer{flex-direction:column;align-items:flex-start}}@media print{.topbar{position:static}.step-rail,.top-actions,.optional-panel,.form-actions,.calculation-panel,.app-footer{display:none!important}.workspace{display:block}.main-content{padding:0}.chart-card,.results-card{box-shadow:none;break-inside:avoid;border:0}body{background:#fff}}
