/* Flexofold navy with Refreshing Data slate. Local fonts; no remote assets. */
.electric-switch{display:flex;align-items:center;gap:12px;border:1px solid #cbd9e5;border-radius:7px;background:#f5f8fb;padding:14px 15px;cursor:pointer}.electric-switch>span{flex:1}.electric-switch strong,.electric-switch small{display:block}.electric-switch strong{font-size:12px;color:var(--navy)}.electric-switch small{font-size:9px;color:#526b83;margin-top:4px}.electric-switch input{position:absolute;opacity:0}.electric-switch i{position:relative;width:38px;height:20px;border-radius:12px;background:#a8b8c6}.electric-switch i:after{content:'';position:absolute;width:14px;height:14px;left:3px;top:3px;border-radius:50%;background:white}.electric-switch.is-on{border-color:#99b9d2;background:#eef5fa}.electric-switch.is-on i{background:#2b6d9c}.electric-switch.is-on i:after{transform:translateX(18px)}.electric-switch b{font-size:9px;letter-spacing:.8px;color:#526b83;min-width:22px}.electric-switch:focus-within{outline:2px solid #6b9ac5;outline-offset:3px}
:root{font-family:"Segoe UI",Arial,sans-serif;color:#213d54;background:#f3f5f7;font-size:14px;line-height:1.5;--navy:#002b50;--slate:#3d5878;--line:#dde4ea;--muted:#687c8e;--radius:12px;--sidebar-width:214px;--sidebar-offset:110px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #6b9ac5;outline-offset:3px}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:-80px;left:20px;z-index:20;padding:12px 20px;background:var(--navy);color:white}.skip-link:focus{top:10px}.topbar{height:82px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 32px;gap:60px;position:relative;z-index:2}.wordmark{display:flex;align-items:center}.wordmark img{display:block;object-fit:contain}.project-context{font-size:12px;color:#75869a;display:flex;align-items:center;gap:17px}.project-context>span:first-child{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--slate)}.context-divider{color:#b4c1ce}.local-status{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:11px;color:#52766e}.status-dot{display:inline-block;height:6px;width:6px;flex-shrink:0;border-radius:50%;background:#438776}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) 6px minmax(0,1fr)}.sidebar{position:sticky;top:0;align-self:start;height:calc(100vh - 82px);min-height:600px;padding:35px 20px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:#edf1f5}.nav-caption{font-size:9px;letter-spacing:1.5px;color:#708197;font-weight:650;margin:0 12px 14px}.nav-item{display:flex;align-items:center;gap:11px;padding:12px;font-size:12px;font-weight:600;border-radius:6px}.nav-item.selected{background:#dae5ef;color:var(--navy)}.nav-item svg{width:19px;height:19px}.nav-outline{margin-top:42px}.nav-outline a{display:flex;gap:13px;align-items:center;padding:12px;font-size:11px;color:#627990;border-left:1px solid #c9d5e0;margin-left:12px}.nav-outline a span{font:10px Consolas,monospace;color:#7b8fa6}.nav-outline a:hover{background:#e0e8f0;color:var(--navy)}.sidebar-bottom{margin-top:auto;padding:45px 10px 0;font-size:11px;color:#647b92}.engine-mark{display:flex;align-items:center;gap:8px;font-weight:600;color:#526e87}.sidebar-bottom p{font:10px Consolas,monospace;margin:6px 0 27px 14px}.creator{border-top:1px solid #d4dee8;padding-top:20px}.creator small{font-size:8px;letter-spacing:1.5px;color:#758ba2}.creator img{display:block;width:150px;max-width:100%;height:auto;margin-top:8px;mix-blend-mode:multiply}main{padding:42px clamp(24px,3.4vw,56px) 0;max-width:1510px;width:100%;margin:auto;min-width:0}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:34px}.eyebrow{font-size:9px;letter-spacing:2px;font-weight:700;color:#577697;margin:0 0 11px}h1{font-size:clamp(27px,2.5vw,37px);letter-spacing:-1.2px;line-height:1.2;font-weight:550;margin:0;color:var(--navy)}.page-description{font-size:13px;color:#6b7f94;margin:11px 0 0}.page-tag{align-self:flex-start;padding:7px 0 0;font-size:8px;letter-spacing:1.2px;color:#708499;white-space:nowrap}.page-tag span{display:inline-block;margin-left:8px;padding:3px 6px;border:1px solid #cbd7e1;border-radius:3px;font:10px Consolas,monospace}.workspace{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(350px,1fr);gap:28px;align-items:start}form{min-width:0}.input-panel{padding:25px 27px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;scroll-margin-top:24px}.section-heading{display:flex;gap:13px;align-items:center;margin-bottom:24px}.section-icon{display:grid;place-items:center;width:38px;height:38px;background:#f0f4f8;border:1px solid #e0e7ef;border-radius:8px;color:#4d7095}.section-icon svg{height:21px;width:21px}.section-step{font-size:8px;letter-spacing:1.5px;color:#71879c;font-weight:600;margin:0 0 4px}h2{font-size:17px;font-weight:600;letter-spacing:-.3px;color:#233f5a;margin:0;line-height:1.4}.fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:19px 20px}.field{display:block;font-size:12px;font-weight:550;color:#526b83;min-width:0}.input-shell{display:flex;align-items:center;border:1px solid #d3dee8;background:#fafcfd;border-radius:6px;min-height:45px;margin-top:7px;transition:border-color .15s,box-shadow .15s}.input-shell:focus-within{border-color:#688fb7;box-shadow:0 0 0 3px #e5edf6;background:#fff}.input-shell input{border:0;background:transparent;width:100%;min-width:0;padding:10px 12px;color:#183f63;font-size:15px;font-weight:500;font-variant-numeric:tabular-nums;outline:none}.input-shell:has(input:focus-visible){outline:2px solid #7f9dbd;outline-offset:2px}.input-shell input:focus-visible{outline:none}.input-unit{padding-right:12px;white-space:nowrap;font-size:10px;color:#7288a0;font-weight:400;user-select:none}input::placeholder{font-weight:400;color:#9cabbc}select{width:100%;display:block;border:1px solid #d3dee8;background-color:#fafcfd;border-radius:6px;min-height:45px;margin-top:7px;color:#355576;padding:10px 28px 10px 11px;font-size:12px;font-weight:500;cursor:pointer}select:hover{border-color:#9bb1c8}select:disabled{cursor:default;color:#8a9bae;background:#eff3f7}input:disabled{color:#8a9bae}.field-note{font-size:10px;line-height:1.7;color:#71869c;margin:16px 0 0}.optional{font-size:9px;color:#788fa4;float:right;font-weight:400}.under-label{display:block;font-size:9px;font-weight:400;color:#71849a;margin-top:5px}.method-banner{margin-top:18px;border:1px solid #d3e0ec;background:#f0f5fa;padding:15px 17px;border-radius:7px;display:flex;flex-direction:column;gap:5px}.method-indicator{display:flex;align-items:center;gap:7px}.method-indicator .status-dot{height:5px;width:5px;background:#5d8eb2}.method-indicator small{font-size:8px;letter-spacing:1.3px;color:#607e9d;font-weight:650}.method-banner strong{font-size:17px;font-weight:600;color:#254f76;letter-spacing:-.2px}.method-banner>span{font-size:11px;color:#6e87a0;line-height:1.6}fieldset{border:0;border-top:1px solid #e4eaf1;margin:23px 0 0;padding:17px 0 0;min-width:0}legend{font-size:10px;color:#627e99;letter-spacing:.3px;font-weight:600;padding:0 10px 0 0}.help-detail{margin:18px 0 0;color:#617e99;font-size:10px}.help-detail summary{display:flex;align-items:center;gap:6px;cursor:pointer;list-style:none;width:fit-content}.help-detail summary::-webkit-details-marker{display:none}.help-detail summary::after{content:'+';margin-left:8px;font-size:14px;color:#7894ac}.help-detail[open] summary::after{content:'−'}.help-detail svg{height:13px;width:13px}.help-detail p{background:#f5f8fb;border-radius:5px;padding:12px 14px;line-height:1.8;margin-bottom:0}.calculation-action{padding:3px 0 0}.primary{width:100%;height:52px;border:1px solid #002b50;border-radius:7px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 19px;font-size:13px;font-weight:600;box-shadow:0 3px 5px #002b5010;transition:background .15s,transform .15s}.primary:hover:not(:disabled){background:#15466e;transform:translateY(-1px)}.primary:active:not(:disabled){transform:translateY(0)}.primary:disabled{background:#becbd9;border-color:#becbd9;box-shadow:none;color:#f8fafc}.primary 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13px;overflow:hidden}.drawing-meta,.drawing-footer{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:7px;letter-spacing:1px;color:#94b2cc}.drawing-meta>span:last-child{font-size:6px;letter-spacing:.7px;color:#7999b7}.drawing-footer{font-size:8px;letter-spacing:.4px;color:#8daec9}.drawing-footer>span:first-child{color:#b1c9dd}#propeller-drawing{display:block;width:100%;height:auto;max-height:245px;margin:7px auto;color:#3c6485;stroke-width:1}.drawing-grid{opacity:.35}.construction{stroke:#466f92;stroke-width:.75}.dimension-label{fill:#a4bed4;stroke:none;font:10px Consolas,monospace}.blade{fill:url(#blade-fill);stroke:#c9dce9;stroke-width:.65;opacity:.92}.blade-crease{fill:none;stroke:#628aa9;stroke-width:.65}.hub{fill:#b4cadb;stroke:#e2ebf3;stroke-width:1}.hub-centre{fill:#183e60;stroke:#7c9bb5}.hub-cross{stroke:#4e7696;stroke-width:.5}.drawing-callout{stroke:#5f829f;stroke-width:.7}.drawing-callout text{stroke:none;fill:#90abc1;font:7px Consolas,monospace;letter-spacing:1px}.drawing-callout circle{fill:#789ab5}.empty-dimensions{display:flex;justify-content:center;align-items:center;padding:28px 20px 23px;border-bottom:1px solid #e9eff5;gap:48px;color:#b1c1d0}.empty-dimensions>span{font-weight:200;font-size:23px;color:#c3cfdd}.empty-dimensions small{font-size:8px;letter-spacing:1.4px;display:block;color:#7b91a9}.empty-dimensions strong{display:block;font-size:36px;font-weight:350;letter-spacing:0;margin-top:3px;line-height:1.3}.empty-dimensions em{font-size:12px;font-style:normal;margin-left:10px;color:#8ca1b7}.empty-message{display:flex;align-items:start;gap:12px;padding:24px 25px 15px}.empty-marker{display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;background:#edf3f9;color:#6b8dad;border-radius:50%;margin-top:2px}.empty-message h3{font-size:13px;font-weight:600;color:#436581;margin:0 0 6px}.empty-message 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strong{font-size:clamp(22px,2.2vw,33px);font-weight:450;letter-spacing:-1.1px;color:var(--navy)}.metric:nth-child(-n+2) em{font-size:12px}.technical-details{padding:20px 24px 0}.technical-details h3{font-size:11px;letter-spacing:.3px;font-weight:600;color:#476a87;margin:0 0 10px}dl{margin:0}dl div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;font-size:11px;border-bottom:1px solid #edf2f7}dt{color:#708ba2}dd{margin:0;color:#426783;font-variant-numeric:tabular-nums;text-align:right}#warnings{margin:20px 24px 0}#warnings:empty{display:none}.warning,#error{background:#fffaef;color:#926323;border:1px solid #ecd9b6;border-left:3px solid #bf9242;padding:12px 14px;font-size:11px;line-height:1.7;border-radius:5px;margin:8px 0}.warning:first-child{font-weight:600}#error{margin:0 0 14px;background:#fff4f0;color:#9e4d39;border-color:#eac8bc;border-left-color:#be7961}.result-actions{padding:22px 24px}.copy-button{width:100%;height:45px;border:1px solid #afc4d9;border-radius:6px;background:#f8fbfd;color:#2e608b;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:9px;position:relative}.copy-button svg{height:15px;width:15px}.copy-arrow{position:absolute;right:14px;font-size:14px;color:#7796b2}.copy-button:disabled{color:#9bafc0;background:#fafbfd;border-color:#e0e8f0}.copy-button:disabled .copy-arrow{color:#bac9d6}.copy-button:hover:not(:disabled){background:#eaf2f9;border-color:#6d95b8}#copy-status{font-size:10px;color:#507d6d;line-height:1.6;margin:8px 0 0}#copy-status:empty{display:none}#copy-fallback{width:100%;min-height:200px;margin-top:12px;padding:10px;font:11px Consolas,monospace;border:1px solid #c2d4e4;border-radius:4px;resize:vertical}.result-footnote{display:flex;align-items:start;gap:9px;padding:18px 12px 0;color:#7e98af}.result-footnote svg{width:13px;height:13px;margin-top:2px}.result-footnote p{font-size:10px;line-height:1.8;margin:0;color:#708aa1}.session-note{display:flex;gap:7px;align-items:center;padding:16px 12px 0;font-size:9px;color:#577e72;flex-wrap:wrap}.session-note .status-dot{height:4px;width:4px}.session-note>span:last-child{color:#7c95aa;margin-left:auto;font-size:8px}footer{display:flex;justify-content:space-between;border-top:1px solid #d7e2ed;margin-top:43px;padding:22px 0 25px;font-size:9px;color:#738ca5}footer>span:first-child{letter-spacing:.6px}.footer-divider{margin:0 10px;color:#9ab0c3}[hidden]{display:none!important}
@media(min-width:1600px){.workspace{gap:36px}.input-panel{padding:28px 32px}.fields{gap:22px 24px}main{padding-top:50px}}
@media(max-width:1200px){.app-shell{grid-template-columns:var(--sidebar-width) 6px minmax(0,1fr)}.sidebar{padding-left:12px;padding-right:12px}.topbar{gap:35px}.workspace{gap:20px;grid-template-columns:minmax(0,1fr) minmax(310px,.94fr)}main{padding:32px 24px 0}.input-panel{padding:22px}.fields{gap:16px 14px}.page-tag{display:none}.result-top{padding:20px}.result-top h2{font-size:15px}.result-state{font-size:6px}.metric:nth-child(-n+2) strong{font-size:25px}.session-note>span:last-child{width:100%;margin-left:11px}.field{font-size:11px}}
@media(max-width:1020px){.app-shell{grid-template-columns:1fr}.sidebar,.sidebar-resizer{display:none}.topbar{height:70px;padding:0 24px}.project-context{margin-left:auto}.local-status{margin-left:0}.workspace{grid-template-columns:minmax(0,1fr) minmax(330px,.95fr)}main{max-width:920px}.page-heading{margin-bottom:26px}}
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@media(max-width:380px){main{padding-left:14px;padding-right:14px}.topbar{padding:0 14px}.local-status{font-size:9px}.input-panel{padding:19px}.fields{gap:16px 12px}.field{font-size:10px}.input-unit{font-size:9px;padding-right:8px}.input-shell input{padding-left:9px;font-size:13px}select{font-size:11px;padding-left:8px}.optional{float:none;display:block;font-size:8px}.metric:nth-child(-n+2) strong{font-size:27px}.result-top{padding:20px}.result-top h2{font-size:16px}.session-note>span:last-child{width:100%;margin-left:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Large hit areas, readable labels and a calculation action in reach. */
.blade-choice{padding:0;margin:0;border:0;min-width:0}.blade-choice legend{font-size:12px;font-weight:550;color:#526b83;padding:0;letter-spacing:0;line-height:18px;margin-bottom:7px}.segmented{display:flex;gap:0;border:1px solid #d3dee8;border-radius:6px;min-height:45px;background:#fafcfd;overflow:hidden}.segmented label{flex:1;min-width:0;position:relative;cursor:pointer}.segmented input{position:absolute;opacity:0;width:1px;height:1px;left:50%;top:50%;margin:0}.segmented span{height:100%;min-height:43px;display:flex;align-items:center;justify-content:center;gap:4px;color:#677f98;font-size:14px;transition:background .15s,color .15s;border-right:1px solid #e1e8ef}.segmented label:last-child span{border-right:0}.segmented small{font-size:8px;font-weight:400}.segmented input:checked+span{background:#e2ecf6;color:#123f68;box-shadow:inset 0 -2px #4e78a2;font-weight:650}.segmented input:focus-visible+span{outline:2px solid #638db5;outline-offset:-3px}.segmented label:hover span{background:#edf3f9}.segmented input:checked+span:hover{background:#dde9f4}.calculation-action{position:sticky;bottom:0;z-index:1;background:linear-gradient(transparent,#f3f5f7 12px);padding:16px 0 8px;margin-top:-13px}.calculation-action>p{margin-bottom:0}#calculator{padding-bottom:8px}.input-panel:last-of-type{margin-bottom:18px}.field-note{color:#627a92}.under-label{color:#627a92}.metric small,dt{color:#607c95}.result-context{color:#607c95}.result-footnote p{color:#627d95}.empty-message p{color:#617d96}.optional{color:#667e96}.input-unit{color:#667f98}.page-description{color:#60758c}.segmented label:has(input:checked){z-index:1}@media(max-width:1200px){.blade-choice legend{font-size:11px}.segmented small{display:none}}@media(max-width:760px){.segmented small{display:inline}.calculation-action{bottom:0;padding-bottom:10px}.input-shell input{font-size:16px}.field,.blade-choice legend{font-size:12px}.field-note,.help-detail{font-size:11px}.under-label{font-size:10px}.drawing-meta{font-size:7px}.session-note{font-size:10px}.session-note>span:last-child{font-size:9px}.metric small,dl div{font-size:12px}.result-footnote p{font-size:11px}}
html{scroll-padding-top:24px;scroll-padding-bottom:125px}.field{scroll-margin-bottom:125px}.adjust-inputs{display:none;font-size:11px;color:#577b9c;text-align:center;margin-top:16px;padding:8px}.diagnostic-codes{margin-top:12px;font-size:10px;color:#7b6d54}.diagnostic-codes summary{cursor:pointer}.diagnostic-codes code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:8px;font:10px/1.8 Consolas,monospace;color:#866d43}@media(max-width:760px){.adjust-inputs{display:block}}
.sizing-precision{margin:13px 24px 0;font-size:10px;color:#627f99}.sizing-precision summary{cursor:pointer;width:fit-content}.sizing-precision p{font-size:10px;line-height:1.8;color:#758a9f;margin:12px 0 6px}.sizing-precision dl{padding:0 12px;background:#f6f9fc;border-radius:5px}.metric:nth-child(-n+2) strong{font-size:38px;letter-spacing:-1.4px}.metric:nth-child(-n+2) em{font-size:12px;letter-spacing:0}@media(max-width:1200px){.metric:nth-child(-n+2) strong{font-size:33px}}@media(max-width:380px){#common-results{column-gap:16px}.metric:nth-child(even){padding-left:0}.metric:nth-child(-n+2) strong{font-size:30px}.sizing-precision{font-size:11px}}
/* Contrast pass: secondary information remains readable at normal text sizes. */
:root{--muted:#526b83}
.project-context,.nav-caption,.nav-outline a,.nav-outline a span,.sidebar-bottom,.creator small,.eyebrow,.page-description,.page-tag,.section-step,.input-unit,.field-note,.under-label,.optional,.help-detail,.method-indicator small,.method-banner>span,legend,.result-context,.metric small,.metric em,.sizing-precision,.sizing-precision p,dt,.result-footnote p,.session-note>span:last-child,footer,.footer-divider,.context-divider,.copy-arrow{color:var(--muted)}
.segmented span{color:#526b83}.result-state{color:#526b83}.empty-message p{color:#526b83}.empty-dimensions small,.empty-dimensions em{color:#627b92}.empty-dimensions strong,.empty-dimensions>span{color:#768b9f}.session-note{color:#426c5e}.calculation-action>p{color:#526b83}.metric:nth-child(-n+2) small{color:#526b83}input::placeholder{color:#687e92}.result-state[data-state="changed"]{color:#596681}
footer{flex-wrap:wrap;gap:12px 20px}@media(max-width:760px){footer{font-size:9px}}
.input-shell:has([aria-invalid="true"]),select[aria-invalid="true"]{border-color:#bb765f;background:#fff9f6;box-shadow:0 0 0 2px #fae9e2}.inline-error{display:block;color:#a2543d;font-size:10px;line-height:1.7;margin-top:7px;font-weight:400}
/* Keep the quick action in the header, never over editable form controls. */
.topbar{position:sticky;top:0;gap:32px;z-index:5}.quick-calculate{height:36px;display:flex;align-items:center;gap:12px;border:1px solid var(--navy);background:var(--navy);color:#fff;border-radius:5px;padding:0 12px 0 14px;font-size:11px;font-weight:600;white-space:nowrap;box-shadow:0 4px 14px #002b5017}.quick-calculate kbd{padding:2px 5px;border:1px solid #ffffff4d;border-radius:3px;background:#ffffff14;color:#dce9f3;font:8px/1.2 Consolas,monospace}.quick-calculate svg{height:14px;width:14px}.quick-calculate:hover:not(:disabled){background:#174b76}.quick-calculate:disabled{background:#edf2f7;color:#8fa3b6;border-color:#dce5ee;box-shadow:none}.quick-calculate:disabled kbd{border-color:#cbd7e1;color:#95a8b9;background:transparent}.primary-shortcut{margin-left:auto;margin-right:10px;padding:3px 6px;border:1px solid #ffffff40;border-radius:3px;font:9px Consolas,monospace;color:#dbe8f2}.sidebar{top:82px}#results-panel{top:106px;scroll-margin-top:106px}.calculation-action{position:static;background:none;margin-top:0;padding:3px 0 8px}.input-panel{scroll-margin-top:106px}html{scroll-padding-top:106px;scroll-padding-bottom:24px}.field{scroll-margin-bottom:24px}@media(max-width:1200px){.project-context{gap:12px;font-size:10px}.topbar{gap:24px}.project-context>span:first-child{font-size:9px}}@media(max-width:1020px){#results-panel{top:94px}.local-status{display:none}.quick-calculate{margin-left:auto}.project-context{margin-left:0}html{scroll-padding-top:94px}}@media(max-width:760px){.topbar{gap:12px}.quick-calculate{height:35px;font-size:10px;gap:9px;padding:0 10px}.quick-calculate kbd{display:none}.wordmark img{width:155px}.input-panel,#results-panel{scroll-margin-top:94px}.calculation-action{padding:3px 0 8px}}@media(max-width:460px){.primary-shortcut{display:none}}
.input-panel,#results-panel{scroll-margin-top:0}
/* Calculation workspace: retain the established palette and quiet card hierarchy. */
.section-title{font-size:12px!important;font-weight:650;letter-spacing:1.2px;line-height:1.5}.section-heading{margin-bottom:20px}.optional-section{border-top:1px solid #e2eaf1;padding-top:15px;margin-top:18px;color:#526b83;font-size:11px}.optional-section>summary{cursor:pointer;display:flex;align-items:center;gap:10px;list-style:none}.optional-section>summary:before{content:'+';font-size:16px;color:#476b8b}.optional-section[open]>summary:before{content:'−'}.optional-section summary span{margin-left:auto;font-size:9px;color:#60758a}.optional-section .fields{margin-top:16px}.text-action{border:1px solid #c5d7e5;border-radius:5px;background:#f4f8fb;color:#355b7b;font-size:11px;margin-top:12px;padding:9px 12px}.input-shell:has(input[readonly]){background:#eef3f7}.input-shell input[readonly]{color:#526b83}.optimum-line{grid-column:1/-1;margin:0;padding:10px 0 14px;font-size:11px;color:#526b83;border-bottom:1px solid #e5edf4;font-variant-numeric:tabular-nums}.metric:nth-of-type(even){padding-left:22px}.metric:nth-of-type(odd){padding-left:0}.export-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:9px}.export-actions .copy-button{font-size:11px;padding:0 8px;gap:6px}.export-actions .copy-arrow{display:none}.export-actions small{font-size:8px;background:#edf2f7;padding:2px 4px;border-radius:3px}#database-note{font-size:9px;line-height:1.7;margin-top:11px}#export-status{font-size:11px;color:#355b7b;margin:8px 0 0}#export-status:empty{display:none}@media(max-width:380px){.export-actions{grid-template-columns:1fr}.metric:nth-of-type(even){padding-left:0}}
.new-calculation{width:100%;text-align:left;padding:12px;border:1px solid #c7d5e2;background:#f7fafd;border-radius:6px;color:var(--navy);font-size:12px;font-weight:600;margin-bottom:18px}
#calculation-tabs{overflow:auto;min-height:48px}.calculation-tab{display:flex;align-items:center;border-radius:6px;margin:4px 0;padding:3px;color:#526b83}.calculation-tab.is-active{background:#dbe6ef;color:var(--navy);box-shadow:inset 2px 0 var(--navy)}.tab-name{border:0;background:none;color:inherit;min-width:0;flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;padding:11px 8px}.tab-action{border:0;background:none;color:#526b83;padding:5px;font-size:15px;min-width:25px;min-height:34px}.tab-action:hover{background:#cbdce9;border-radius:4px}.session-help{font-size:10px;color:#526b83;padding:0 11px;line-height:1.8}.rename-current{background:none;border:0;color:#526b83;font-size:11px;white-space:nowrap}.page-heading h1{overflow-wrap:anywhere}.mobile-tabs{display:none}.full-field{grid-column:1/-1}
#propeller-drawing{height:116px;max-height:116px;margin:2px auto}.propeller-stage{padding:11px 18px}.drawing-footer{display:none}
#product-panel{padding:23px 24px;background:#f3f7fa;border-bottom:1px solid #dbe5ee}.product-eyebrow{font-size:8px;font-weight:700;letter-spacing:1.25px;color:#526b83;margin:0 0 9px}#product-panel h3{font-size:22px;line-height:1.3;letter-spacing:-.6px;color:var(--navy);margin:0 0 10px;font-weight:550}.product-explanation{font-size:11px;line-height:1.8;margin:0;color:#526b83}.product-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}.product-tags span{font-size:9px;border:1px solid #cedde8;border-radius:4px;padding:3px 7px;color:#436582;background:#fff}.product-tags span:first-child{background:#e0eaf2;font-weight:600}.product-range{font-size:10px;color:#526b83;line-height:1.7;margin:12px 0 0}.product-provenance{font-size:10px;color:#526b83;margin-top:14px}.product-provenance summary,.graph-table summary{cursor:pointer}.product-provenance p{line-height:1.8}.theory-heading{font-size:13px;color:#355775;font-weight:600;margin:17px 24px 0}.theory-heading span{display:block;font-size:9px;font-weight:400;color:#526b83;margin-top:4px}.metric:nth-child(-n+2) strong{font-size:29px;letter-spacing:-.7px}.metric:nth-child(-n+2){padding-bottom:15px}.metric strong{font-size:20px}.metric{padding-top:13px;padding-bottom:13px}
#power-graph-panel{margin:23px 24px 0;padding-top:19px;border-top:1px solid #dde7ef}#power-graph-panel h3,#blade-alternatives h3{font-size:12px;color:#355775;font-weight:600;margin:0 0 5px}.graph-scope{font-size:9px;color:#526b83;margin:0 0 15px}.graph-legend{display:flex;gap:18px;font-size:10px;color:#526b83}.graph-legend span::before{content:'';display:inline-block;width:17px;border-top:2px solid var(--navy);vertical-align:middle;margin-right:6px}.graph-legend .required-line::before{border-color:#739aa3}.power-chart{display:block;width:100%;height:auto;margin-top:12px;stroke:none;fill:none}.power-chart text{fill:#526b83;font:10px 'Segoe UI',sans-serif}.chart-grid{stroke:#e7edf2;stroke-width:1}.curve-engine{stroke:#002b50;stroke-width:2.5}.curve-required{stroke:#739aa3;stroke-width:2.5}.curve-tail{stroke-dasharray:5 5}.chart-cursor{stroke:#879eb3;stroke-dasharray:2 3;stroke-width:1}.graph-readout{font-size:10px;color:#355775;min-height:30px;margin:0}.graph-note,.power-graph-note{font-size:10px;color:#526b83;line-height:1.8}.power-graph-note{margin:20px 24px 0;padding:10px 12px;background:#f5f8fb;border-radius:5px}.graph-warning{font-size:10px;color:#946014}.graph-table{font-size:10px;color:#526b83;margin-top:12px}.graph-table>div{max-height:210px;overflow:auto;margin-top:10px}.graph-table table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.graph-table th,.graph-table td{padding:6px;text-align:right;border-bottom:1px solid #e3eaf0}.graph-table th{background:#f3f7fa;position:sticky;top:0}
#blade-alternatives{margin:22px 24px 0;padding-top:18px;border-top:1px solid #dde7ef}#blade-alternatives p{font-size:10px;line-height:1.8;color:#526b83}.alternative-card{display:block;width:100%;text-align:left;border:1px solid #ccdbe7;background:#f5f9fc;border-radius:6px;padding:12px;color:var(--navy);margin-top:10px}.alternative-card small{display:block;color:#526b83;margin-top:5px}
dialog{width:min(420px,calc(100vw - 32px));padding:26px;border:1px solid #c7d7e5;border-radius:12px;box-shadow:0 18px 70px #002b5030;color:var(--navy)}dialog::backdrop{background:#002b5040}dialog label{display:block;font-size:12px;margin-top:20px}dialog input{width:100%;padding:11px;border:1px solid #bacddd;border-radius:5px;margin-top:8px;color:var(--navy)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.dialog-actions button{padding:9px 14px;border:1px solid #bacee0;border-radius:5px;background:white;color:var(--navy);font-size:12px}.dialog-actions .dialog-save{background:var(--navy);color:white}.workspace-toast{position:fixed;bottom:20px;left:24px;z-index:20;max-width:calc(100vw - 48px);padding:13px 17px;border:1px solid #c7d7e5;border-radius:7px;background:#fff;box-shadow:0 4px 25px #002b5020;color:#355775;font-size:12px;overflow-wrap:anywhere}.workspace-toast button{border:0;background:none;color:var(--navy);text-decoration:underline;margin-left:15px}
@media(max-width:1020px){.mobile-tabs{display:flex;align-items:center;gap:8px;margin-bottom:25px;flex-wrap:wrap}.mobile-tabs label{font-size:10px;color:#526b83}.mobile-tabs select{flex:1;min-width:100px;width:auto;margin:0;min-height:38px}.mobile-tabs button{border:1px solid #c5d5e3;border-radius:5px;background:white;padding:8px 10px;color:var(--navy);font-size:11px}}
@media(max-width:760px){.page-heading{align-items:flex-start;gap:10px}.rename-current{display:none}#product-panel h3{font-size:22px}.power-chart{min-height:180px}.tab-action{min-width:36px}.mobile-tabs label{width:100%}}
.database-search{width:100%;text-align:left;border:1px solid #b9ccdb;border-radius:6px;background:#eef5fa;color:var(--navy);padding:10px 11px;margin:8px 0;font-size:11px;font-weight:650}.database-search:hover{background:#e1ecf4}.field textarea{box-sizing:border-box;width:100%;resize:vertical;min-height:88px;border:1px solid #c6d6e3;border-radius:5px;padding:11px;color:var(--navy);font:inherit;background:#fbfdff}.field-validation{margin-top:22px}.search-dialog{width:min(1050px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow:auto}.search-dialog form{margin:0}.search-title{display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid #dce6ed;padding-bottom:16px}.search-title h2{margin:4px 0 0;font-size:22px;font-weight:550}.search-title button{border:0;background:none;color:#526b83;font-size:23px;padding:0 5px}.search-scope-note{min-height:19px;margin:10px 0 0;padding:9px 11px;border-left:2px solid #8caec8;background:#f4f8fb;color:#5d758b;font-size:10px;line-height:1.55}.search-filters{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:12px;margin-top:18px}.search-filters label{margin:0;font-size:10px;color:#526b83}.search-filters input,.search-filters select{box-sizing:border-box;width:100%;height:39px;margin-top:6px;border:1px solid #bdcfdd;border-radius:5px;padding:0 9px;background:#fbfdff;color:var(--navy)}.search-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:16px}.search-actions button{padding:9px 15px;border:1px solid #bacee0;border-radius:5px;background:white;color:var(--navy)}.search-actions .dialog-save{background:var(--navy);color:white}.search-results{display:grid;gap:9px;margin-top:12px}.search-result{width:100%;display:grid;grid-template-columns:minmax(160px,1.3fr) minmax(150px,1fr) repeat(3,minmax(95px,.6fr));gap:12px;align-items:center;text-align:left;border:1px solid #d4e0e9;border-radius:7px;background:#f8fbfd;padding:13px;color:var(--navy)}.search-result:hover{border-color:#88abc5;background:#eef5fa}.search-result strong,.search-result span,.search-result small{display:block;overflow:hidden;text-overflow:ellipsis}.search-result small{font-size:8px;color:#60778c;margin-top:4px}.validation-badge{justify-self:start;border-radius:10px;background:#e6edf2;padding:4px 7px;font-size:8px!important}.validation-badge.validated{background:#dcefe5;color:#286443}.search-empty{padding:28px;text-align:center;color:#60778c;border:1px dashed #cbd9e4;border-radius:7px}.search-empty strong,.search-empty span{display:block}.search-empty strong{color:#365d7d;font-size:12px}.search-empty span{max-width:620px;margin:7px auto 0;font-size:10px;line-height:1.65}.search-empty button{margin-top:15px;padding:8px 13px;border:1px solid #8faec6;border-radius:5px;background:#eef5fa;color:var(--navy);font-size:10px;font-weight:650}@media(max-width:800px){.search-filters{grid-template-columns:repeat(2,1fr)}.search-result{grid-template-columns:1fr 1fr}.search-result>*:last-child{grid-column:1/-1}}@media(max-width:480px){.search-filters{grid-template-columns:1fr}.search-result{grid-template-columns:1fr}}
.reference-tabs{display:grid;grid-template-columns:repeat(2,1fr);margin-top:18px;border:1px solid #c8d8e4;border-radius:6px;overflow:hidden}.reference-tabs label{margin:0;border-right:1px solid #c8d8e4}.reference-tabs label:last-child{border-right:0}.reference-tabs input{position:absolute;opacity:0}.reference-tabs span{display:flex;min-height:42px;align-items:center;justify-content:center;padding:9px;text-align:center;font-size:10px;color:#526b83;background:#f7fafc;cursor:pointer}.reference-tabs input:checked+span{background:#e1ebf3;color:var(--navy);box-shadow:inset 0 -2px #2b6d9c;font-weight:650}.reference-result{border-left:3px solid #7d9eb5}.validation-badge.calculated-seed{background:#e3edf5;color:#355f80}@media(max-width:600px){.reference-tabs{grid-template-columns:1fr}.reference-tabs label{border-right:0;border-bottom:1px solid #c8d8e4}.reference-tabs label:last-child{border-bottom:0}}
.result-context{flex-wrap:wrap}.result-context #override-state{margin-left:auto;border:1px solid #9bb2c5;border-radius:4px;padding:3px 7px;font-size:8px;letter-spacing:.8px;color:#355775;background:#f1f6fa}.result-adjustment{margin:18px 24px 0;padding:16px;border:1px solid #d7e3ec;border-radius:7px;background:#f7fafc}.result-adjustment h3{font-size:12px;color:#355775;margin:0 0 4px}.result-adjustment p{font-size:9px;line-height:1.6;color:#526b83;margin:0}.adjustment-fields{display:grid;grid-template-columns:1fr 1fr auto;gap:9px;align-items:end;margin-top:13px}.adjustment-fields label{font-size:10px;color:#526b83}.adjustment-fields .input-shell{margin-top:6px}.adjustment-fields button{height:40px;border:1px solid var(--navy);border-radius:5px;background:var(--navy);color:#fff;padding:0 13px;font-size:10px;font-weight:600}.adjustment-fields input:disabled{background:#edf2f6;color:#6f8293}@media(max-width:480px){.adjustment-fields{grid-template-columns:1fr 1fr}.adjustment-fields button{grid-column:1/-1}.result-adjustment{margin-left:16px;margin-right:16px}}
.method-choice{margin-top:4px}.auto-switch{display:flex;align-items:center;gap:12px;border:1px solid #cbd9e5;border-radius:7px;background:#f5f8fb;padding:14px 15px;cursor:pointer}.auto-switch>span{flex:1}.auto-switch strong,.auto-switch small{display:block}.auto-switch strong{font-size:12px;color:var(--navy)}.auto-switch small{font-size:9px;color:#526b83;margin-top:4px}.auto-switch input{position:absolute;opacity:0;pointer-events:none}.auto-switch i{position:relative;width:38px;height:20px;border-radius:12px;background:#a8b8c6;transition:.15s}.auto-switch i:after{content:'';position:absolute;width:14px;height:14px;left:3px;top:3px;border-radius:50%;background:white;transition:.15s}.auto-switch.is-on{border-color:#99b9d2;background:#eef5fa}.auto-switch.is-on i{background:#2b6d9c}.auto-switch.is-on i:after{transform:translateX(18px)}.auto-switch b{font-size:9px;letter-spacing:.8px;color:#526b83;min-width:22px}.method-options{margin-top:17px}.method-segmented{grid-template-columns:repeat(2,1fr)}.method-segmented label{min-width:0}.method-segmented span{padding:12px 7px;font-size:10px;line-height:1.25;min-height:42px}.method-segmented input:checked+span{background:#e1ebf3;color:var(--navy);box-shadow:inset 0 -2px #2b6d9c;font-weight:650}.method-segmented input:disabled+span{opacity:.72;cursor:default}.saved-work{border-top:1px solid #d4e0e9;margin-top:18px;padding-top:16px}.saved-heading{display:flex;align-items:center;justify-content:space-between}.saved-heading .nav-caption{margin:0}.saved-heading button{border:0;background:none;color:#526b83;font-size:16px;padding:6px}.saved-calculation{display:block;width:100%;border:0;border-radius:5px;background:transparent;text-align:left;padding:9px 8px;color:var(--navy)}.saved-calculation:hover{background:#dfe9f1}.saved-calculation strong,.saved-calculation small{display:block;overflow:hidden;text-overflow:ellipsis}.saved-calculation strong{font-size:11px;white-space:nowrap}.saved-calculation small{font-size:8px;color:#60778c;margin-top:4px}.saved-work .session-help{padding:8px 0;margin:0}
.help-detail[open] summary::after{content:'\2212'}
.page-description{overflow-wrap:anywhere}.cruise-control{display:grid;grid-template-columns:auto minmax(118px,155px) auto;align-items:end;justify-content:end;gap:9px;margin:13px 24px 0;padding-top:13px;border-top:1px solid #e5edf4;color:#526b83;font-size:10px}.cruise-control>label{align-self:center}.cruise-control .input-shell{margin:0;min-height:38px}.cruise-control .input-shell input{font-size:13px;padding:7px 9px}.cruise-control button{height:38px;border:1px solid #afc4d9;border-radius:5px;background:#f8fbfd;color:#2e608b;padding:0 11px;font-size:10px;font-weight:600}.cruise-control button:hover{background:#eaf2f9;border-color:#6d95b8}@media(max-width:480px){.cruise-control{grid-template-columns:1fr auto;justify-content:stretch;margin-left:16px;margin-right:16px}.cruise-control>label{grid-column:1/-1}.cruise-control .input-shell{min-width:0}}

/* Account and trial administration shell. Identity remains explicitly local until Entra is connected. */
.saved-work{min-height:0}.saved-work #saved-calculations{max-height:180px;overflow:auto;scrollbar-width:thin}.sidebar-bottom{position:relative;padding-top:18px;flex-shrink:0}.account-area{position:relative;margin:0 -2px 18px;padding-bottom:17px;border-bottom:1px solid #d4dee8}.account-button{display:flex;align-items:center;width:100%;gap:10px;border:0;border-radius:8px;background:transparent;padding:8px;color:var(--navy);text-align:left}.account-button:hover,.account-button[aria-expanded="true"]{background:#dfe8f0}.account-avatar{display:grid;place-items:center;width:31px;height:31px;flex:0 0 31px;border-radius:50%;background:var(--navy);color:#fff;font-size:10px;font-weight:700;letter-spacing:.4px}.account-copy{min-width:0;flex:1}.account-copy strong,.account-copy small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-copy strong{font-size:11px;font-weight:650}.account-copy small{margin-top:2px;font-size:8px;color:#60778d}.account-chevron{font-size:12px;color:#6c8297;transition:transform .15s}.account-button[aria-expanded="true"] .account-chevron{transform:rotate(180deg)}.account-menu{position:absolute;left:0;right:0;bottom:64px;z-index:12;padding:6px;border:1px solid #c8d7e3;border-radius:9px;background:#fff;box-shadow:0 13px 36px #002b5024}.account-menu button{display:flex;align-items:center;gap:10px;width:100%;border:0;border-radius:6px;background:transparent;padding:10px;color:#355775;text-align:left;font-size:11px}.account-menu button:hover{background:#edf3f7;color:var(--navy)}.account-menu svg{width:16px;height:16px}.account-menu-divider{height:1px;background:#e1e8ee;margin:5px}.account-menu p{display:flex;align-items:center;gap:7px;margin:7px 9px 5px!important;font:8px/1.4 "Segoe UI",Arial,sans-serif!important;color:#6b8094}.account-menu p .status-dot{background:#a97945}.mobile-account{display:none;width:35px;height:35px;border:0;border-radius:50%;background:var(--navy);color:#fff;font-size:9px;font-weight:700}.account-dialog{width:min(540px,calc(100vw - 32px));padding:0;overflow:hidden}.admin-dialog{width:min(760px,calc(100vw - 32px));max-height:calc(100vh - 32px);padding:0;overflow:auto}.account-dialog-title{display:flex;align-items:flex-start;gap:14px;padding:24px 25px 20px;border-bottom:1px solid #dce5ec}.account-dialog-title .nav-caption{margin:0 0 5px}.account-dialog-title h2{font-size:21px}.account-dialog-title p:last-child{margin:5px 0 0;color:#60758a;font-size:10px}.account-dialog-title>button{margin-left:auto;border:0;background:transparent;color:#61798e;font-size:23px;line-height:1;padding:1px 5px}.account-dialog-icon{display:grid;place-items:center;width:38px;height:38px;border:1px solid #dbe5ed;border-radius:8px;background:#f1f5f8;color:#416a8d}.account-dialog-icon svg{width:19px;height:19px}.settings-grid{display:grid;gap:18px;padding:23px 25px}.settings-grid label{font-size:11px;font-weight:600;color:#526b83}.settings-grid select{margin-top:7px}.settings-grid small{display:block;margin-top:7px;color:#718599;font-size:9px;font-weight:400;line-height:1.6}.identity-preview{display:flex;align-items:center;gap:11px;margin:0 25px;padding:15px;border:1px solid #d7e2ea;border-radius:7px;background:#f7fafc}.identity-preview strong,.identity-preview small{display:block}.identity-preview strong{font-size:12px;color:var(--navy)}.identity-preview small{font-size:9px;color:#6b8094;margin-top:3px}.account-dialog .dialog-actions{padding:0 25px 24px}.admin-warning{display:flex;gap:18px;margin:22px 25px 0;padding:13px 15px;border-left:3px solid #b17b3f;border-radius:5px;background:#fff8eb;color:#765324}.admin-warning strong{white-space:nowrap;font-size:10px}.admin-warning span{font-size:10px;line-height:1.6}.admin-status-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:20px 25px 5px}.admin-status-grid article{min-height:104px;padding:15px;border:1px solid #d7e2ea;border-radius:7px;background:#f8fafc}.admin-status-grid small,.admin-status-grid strong,.admin-status-grid span{display:block}.admin-status-grid small{font-size:8px;letter-spacing:1.2px;color:#688198}.admin-status-grid strong{font-size:15px;color:var(--navy);margin-top:8px}.admin-status-grid span{font-size:9px;line-height:1.55;color:#657b90;margin-top:5px}.admin-section{margin:18px 25px 0;padding-top:18px;border-top:1px solid #e0e7ed}.admin-section h3{font-size:12px;color:#355775;margin:0 0 12px}.readiness-list{list-style:none;padding:0;margin:0}.readiness-list li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:10px;color:#536d83}.readiness-list li>span{display:grid;place-items:center;width:19px;height:19px;flex:0 0 19px;border-radius:50%;background:#edf1f5;color:#657d91;font-size:8px}.readiness-list li.ready>span{background:#dceee5;color:#286443}.role-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:9px 0;border-bottom:1px solid #edf1f4;font-size:10px}.role-row strong{color:#355775}.role-row span{color:#657c91}.admin-footer{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding:18px 25px;border-top:1px solid #dce5ec;background:#f7fafc}.admin-footer a{font-size:10px;color:#2d668f;text-decoration:underline}.admin-footer button{border:1px solid var(--navy);border-radius:5px;background:var(--navy);color:#fff;padding:8px 16px;font-size:11px}
@media(max-width:1020px){.mobile-account{display:grid;place-items:center;margin-left:auto}.quick-calculate{margin-left:0}}
@media(max-width:560px){.project-context{display:none}.topbar{padding:0 16px}.wordmark img{width:145px;height:auto}.admin-status-grid{grid-template-columns:1fr}.admin-warning{display:block}.admin-warning span{display:block;margin-top:5px}.role-row{grid-template-columns:1fr;gap:3px}.account-dialog-title,.settings-grid{padding-left:19px;padding-right:19px}.identity-preview{margin-left:19px;margin-right:19px}.account-dialog .dialog-actions{padding-left:19px;padding-right:19px}}

/* Resizable navigation, export locale and privacy-focused administration. */
.sidebar-resizer{position:sticky;top:0;z-index:4;height:calc(100vh - 82px);cursor:col-resize;background:transparent}.sidebar-resizer:before{content:'';position:absolute;left:2px;top:0;bottom:0;width:1px;background:#d5dfe7;transition:background .15s,width .15s}.sidebar-resizer:hover:before,.sidebar-resizer:focus-visible:before,.resizing-sidebar .sidebar-resizer:before{left:1px;width:3px;background:#6c91b0}.resizing-sidebar{cursor:col-resize;user-select:none}
.export-language{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:13px;padding:11px 12px;border:1px solid #dce6ee;border-radius:7px;background:#f7fafc}.export-language>span{min-width:0}.export-language strong,.export-language small{display:block}.export-language strong{font-size:10px;color:#355775}.export-language small{font-size:8px;color:#71869a;margin-top:2px}.export-language .segmented{width:154px;min-height:34px;flex:0 0 154px}.export-language .segmented span{min-height:32px;font-size:10px}
.workspace-toast{top:94px;right:24px;bottom:auto;left:auto;display:flex;align-items:center;gap:8px}.workspace-toast #toast-dismiss{font-size:17px;line-height:1;text-decoration:none;margin-left:4px;color:#70859a}.workspace-toast #undo-close{margin-left:8px}
.admin-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:20px 25px 5px}.admin-metrics article{min-height:104px;padding:15px;border:1px solid #d7e2ea;border-radius:7px;background:#f8fafc}.admin-metrics small,.admin-metrics strong,.admin-metrics span{display:block}.admin-metrics>article>small{font-size:8px;letter-spacing:1.2px;color:#688198}.admin-metrics strong{font-size:15px;color:var(--navy);margin-top:8px}.admin-metrics span{font-size:9px;line-height:1.55;color:#657b90;margin-top:5px}.admin-metrics b{font-weight:650}.admin-section-heading{display:flex;align-items:start;justify-content:space-between;gap:15px}.admin-section-heading p,.admin-database-actions p{font-size:9px;color:#657b90;margin:4px 0 0;line-height:1.6}.privacy-badge,.user-role{border-radius:10px;background:#e5eef4;color:#416a89;padding:4px 8px;font-size:7px;letter-spacing:.7px;white-space:nowrap}.admin-user-table{border:1px solid #d7e2ea;border-radius:7px;overflow:hidden;margin-top:13px}.admin-user{display:grid;grid-template-columns:auto minmax(125px,1.5fr) minmax(90px,1fr) minmax(120px,1fr) auto;gap:12px;align-items:center;padding:13px;background:#f8fafc}.admin-user>span strong,.admin-user>span small{display:block}.admin-user>span strong{font-size:10px;color:#355775}.admin-user>span small{font-size:7px;letter-spacing:.6px;color:#718599;margin-bottom:3px}.admin-privacy-note{font-size:9px;color:#657b90;line-height:1.7;margin:11px 0 0}.admin-database-actions{display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-database-actions h3{margin-bottom:0}.admin-database-actions button{border:1px solid #afc4d9;border-radius:5px;background:#f8fbfd;color:#2e608b;padding:9px 13px;font-size:10px;font-weight:600}.admin-footer>span{font-size:9px;color:#657b90}
@media(max-width:1020px){.sidebar-resizer{display:none}}
@media(max-width:560px){.export-language{align-items:stretch;flex-direction:column}.export-language .segmented{width:100%;flex-basis:auto}.admin-metrics{grid-template-columns:1fr}.admin-user{grid-template-columns:auto 1fr}.admin-user>span:nth-child(n+3){grid-column:2}.user-role{justify-self:start}.admin-database-actions{align-items:stretch;flex-direction:column}.workspace-toast{top:78px;right:12px;left:12px;max-width:none}}

/* Compact calculation actions and session-local reordering. */
.calculation-tab{position:relative;cursor:grab}.calculation-tab:active{cursor:grabbing}.calculation-tab.is-dragging{opacity:.48}.calculation-tab.drop-before:before,.calculation-tab.drop-after:after{content:'';position:absolute;left:5px;right:5px;height:2px;border-radius:2px;background:#2b6d9c}.calculation-tab.drop-before:before{top:-2px}.calculation-tab.drop-after:after{bottom:-2px}.tab-more{font-size:18px;letter-spacing:1px;line-height:1}.tab-menu{position:absolute;right:4px;top:40px;z-index:14;width:126px;padding:5px;border:1px solid #c8d7e3;border-radius:7px;background:#fff;box-shadow:0 10px 30px #002b5028}.tab-menu button{display:block;width:100%;border:0;border-radius:4px;background:transparent;padding:8px 9px;color:#355775;text-align:left;font-size:10px}.tab-menu button:hover:not(:disabled),.tab-menu button:focus-visible{background:#edf3f7}.tab-menu button.danger{color:#9a4d42}.tab-menu button:disabled{color:#aab7c2}.tab-name{cursor:inherit}
#calculation-tabs:has(.tab-menu:not([hidden])){padding-bottom:150px}
#calculation-tabs:has(.tab-menu:not([hidden])){overflow:visible;padding-bottom:0}

/* Operational actions and a compact 1080p calculation workspace. */
body{padding-bottom:92px}.quick-calculate{position:fixed;left:calc(50% + var(--sidebar-offset));right:auto;bottom:22px;z-index:18;height:56px;min-width:238px;justify-content:center;gap:15px;border-radius:9px;box-shadow:0 12px 34px #002b5045;transform:translateX(-50%);font-size:12px}.quick-calculate:hover:not(:disabled){transform:translate(-50%,-2px)}.quick-calculate:active:not(:disabled){transform:translate(-50%,0)}
.save-calculation{display:flex;flex-direction:column;align-items:flex-start;width:100%;min-height:58px;margin-bottom:6px;padding:11px 15px;border:1px solid #174f75;border-radius:7px;background:#e6f0f6;color:var(--navy);text-align:left;transition:background .15s,border-color .15s,transform .15s}.save-calculation span{font-size:12px;font-weight:700}.save-calculation small{margin-top:2px;color:#56738b;font-size:8px;font-weight:500}.save-calculation:hover:not(:disabled){border-color:var(--navy);background:#d8e8f2;transform:translateY(-1px)}.save-calculation:disabled{border-color:#dce5ec;background:#f5f7f9;color:#9aabba}.save-calculation:disabled small{color:#a7b5c1}#database-note{margin:5px 0 13px}.result-actions .export-language{margin-top:0}.result-actions{padding-top:17px}
@media(min-width:1021px){.topbar{height:64px;padding-top:0;padding-bottom:0}.topbar .wordmark img{width:165px;height:auto}.sidebar{top:64px;height:calc(100vh - 64px);padding-top:24px}.sidebar-resizer{height:calc(100vh - 64px)}#results-panel{top:82px;scroll-margin-top:82px}.input-panel{scroll-margin-top:82px}html{scroll-padding-top:82px}.workspace-toast{top:76px}}
@media(min-width:1600px){main{max-width:1720px;padding:25px 28px 0}.page-heading{margin-bottom:20px}.page-heading h1{font-size:30px}.page-description{margin-top:6px}.workspace{grid-template-columns:minmax(0,1.28fr) minmax(470px,.72fr);gap:18px}#calculator{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px 16px;align-items:start;padding-bottom:0}#calculator>.input-panel{margin-bottom:0;padding:18px 20px 17px}#method-section,#calculator>.calculation-action{grid-column:1/-1}#method-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:16px}#method-section>.section-heading,#method-section>.help-detail,#method-section>.method-inputs,#method-section>.optional-section{grid-column:1/-1}#method-section>.method-choice{grid-column:1}#method-section>.method-banner{grid-column:2;margin-top:4px;align-self:start;min-height:86px}.method-inputs{display:grid;grid-template-columns:minmax(250px,.68fr) minmax(0,1.32fr);gap:16px;border-top:1px solid #e4eaf1;margin-top:14px;padding-top:12px}.method-inputs>fieldset{border-top:0;margin-top:0;padding-top:0}.method-inputs>fieldset>legend{margin-bottom:7px}.method-inputs #sizing .fields{grid-template-columns:1fr}.section-heading{margin-bottom:15px}.section-icon{width:33px;height:33px}.section-icon svg{width:18px;height:18px}.fields{gap:12px 14px}.input-shell,select{min-height:40px;margin-top:5px}.input-shell input{padding:8px 10px;font-size:14px}select{padding-top:8px;padding-bottom:8px}.under-label{margin-top:3px}.field-note{margin-top:10px;line-height:1.55}.optional-section{margin-top:13px;padding-top:11px}.optional-section .fields{margin-top:11px}.help-detail{margin-top:13px}fieldset{margin-top:16px;padding-top:12px}.method-options{margin-top:11px}.method-segmented span{min-height:37px;padding:8px 6px}.auto-switch{padding:10px 12px}.method-banner{padding:11px 13px}.calculation-action .primary{height:46px}.calculation-action>p{margin-top:6px}.result-top{padding:17px 20px 14px}.result-card .propeller-stage{padding-top:9px;padding-bottom:8px}#propeller-drawing{max-height:185px}.result-context{padding-top:12px}.metric{padding-top:13px;padding-bottom:12px}.metric:nth-child(-n+2){padding-top:13px;padding-bottom:16px}.result-adjustment{margin-top:13px;padding:12px}.adjustment-fields{margin-top:9px}.technical-details{padding-top:15px}.result-actions{padding:16px 20px}.result-footnote{padding-top:12px}.session-note{padding-top:10px}footer{margin-top:28px}}
@media(max-width:1020px){.quick-calculate{left:50%}}@media(max-width:760px){body{padding-bottom:80px}.quick-calculate{left:50%;right:auto;bottom:12px;min-width:190px;height:50px}.quick-calculate kbd{display:none}}

/* Result workflow: field observations sit immediately before the primary save action. */
.result-actions>.field-validation{margin:0 0 16px;padding:0 0 15px;border:0}
.result-actions>.field-validation .fields{gap:12px;margin-top:14px}
.result-actions>.field-validation textarea{min-height:72px}
.technical-details+.cruise-control{margin-top:14px;padding-top:14px}
@media(max-width:480px){.result-actions>.field-validation .fields{grid-template-columns:1fr}.result-actions>.field-validation .full-field{grid-column:auto}}

/* A single divider and a clearly interactive account control. */
.creator{border-top:0;padding-top:0}
.account-button{border:1px solid #c7d5e2;background:#f7fafc;padding:10px}
.account-button:hover,.account-button[aria-expanded="true"]{border-color:#91abc0;background:#dfe8f0;box-shadow:0 2px 8px #002b5012}
.account-chevron{font-size:14px;font-weight:700}

/* Blade count is a calculation choice, while drive type and ratio form one propulsion row. */
.setup-blades{max-width:430px;margin:0 0 18px}
@media(min-width:1600px){#method-section>.setup-blades{grid-column:1/-1;margin-bottom:12px}}

/* Contextual graph help and grouped yacht configurations. */
.graph-heading{display:flex;align-items:center;gap:9px;position:relative}
.graph-heading h3{margin-bottom:0!important}.graph-help{margin-left:auto}
.graph-help summary{display:grid;place-items:center;list-style:none;width:24px;height:24px;border:1px solid #b4c9da;border-radius:50%;color:#355775;background:#f5f9fc;cursor:pointer;font-weight:650}
.graph-help summary::-webkit-details-marker{display:none}
.graph-help[open] .graph-note{position:absolute;z-index:3;left:0;right:0;top:28px;margin:0;padding:14px;border:1px solid #c8d8e5;border-radius:8px;background:#fff;box-shadow:0 8px 24px #002b5020}
.yacht-group{border:1px solid #cbdbe7;border-radius:9px;overflow:hidden;background:#fff}
.yacht-group>header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 15px;background:#edf4f9}
.yacht-group h3{margin:0;font-size:14px;color:var(--navy)}.yacht-group>header small{color:#526b83;font-size:10px}
.yacht-configurations{display:grid;gap:1px;background:#dce6ef}
.yacht-configurations .search-result{border:0;border-radius:0;margin:0;background:#fff;grid-template-columns:minmax(135px,1.1fr) minmax(135px,1fr) minmax(100px,.8fr) minmax(105px,.8fr) minmax(110px,.9fr)}
.yacht-configurations .search-result:hover{background:#f3f8fc}
.configuration-performance{white-space:normal;line-height:1.5;margin-top:7px!important}
.save-variant{display:block;border:1px solid #bdcfdd;background:#fff;color:#355775;border-radius:5px;padding:8px 12px;font-size:10px;margin:8px 0}.save-variant:disabled{opacity:.5;cursor:default}
@media(max-width:800px){.yacht-configurations .search-result{grid-template-columns:1fr 1fr}.yacht-configurations .search-result>:last-child{grid-column:1/-1}}
@media(max-width:480px){.yacht-configurations .search-result{grid-template-columns:1fr}.yacht-group>header{align-items:start;flex-direction:column;gap:3px}}
.builder-group{display:grid;gap:10px;margin:8px 0 16px}.builder-group>h2{font-size:17px;padding:8px 2px;color:var(--navy)}
.yacht-configurations .performance-badge{font-size:10px!important;font-weight:700;white-space:normal;padding:7px 9px;border:1px solid #d4e2ec;line-height:1.4}
.performance-badge.validated{color:#205c40;background:#dcefe3;border-color:#94c3a6}
.performance-badge.concerns{color:#8a441d;background:#fff0dd;border-color:#deb88f}
.configuration-performance{font-size:10px!important}
#advanced-search{margin:12px 0}.search-result:has(.performance-badge.validated){box-shadow:inset 3px 0 #43865c}.search-result:has(.performance-badge.concerns){box-shadow:inset 3px 0 #bd7a36}
.favorite-star{flex-shrink:0;border:0;background:transparent;color:#637d93;font-size:23px;line-height:1;padding:4px 7px;border-radius:5px;cursor:pointer}.favorite-star:hover{background:#e1edf5}.favorite-star[aria-pressed="true"]{color:#976918}.builder-group>h2{display:flex;align-items:center;gap:12px}.yacht-group>header>small{margin-left:auto}
.graph-warning{padding:10px 12px;background:#fff4de;border:1px solid #dfbd7e;border-left:3px solid #b87a21;border-radius:5px;font-weight:650;line-height:1.6}
/* Collapsed builder navigation with compact model/configuration rows. */
details.builder-group{display:block;margin:0 0 8px;border:1px solid #d2dfe9;border-radius:8px;background:#fff;overflow:hidden}
.builder-group>summary{display:flex;align-items:center;gap:10px;cursor:pointer;list-style:none;padding:9px 12px;background:#edf3f8;color:var(--navy);font-size:14px;font-weight:650}
.builder-group>summary::-webkit-details-marker{display:none}.builder-group>summary:before{content:'›';font-size:20px;line-height:1}.builder-group[open]>summary:before{transform:rotate(90deg)}
.builder-group>summary .favorite-star{margin-left:auto;font-size:21px}.hull-group{padding:0 12px 10px}.hull-group>h3{font-size:11px;color:#526b83;margin:12px 0 7px;font-weight:650}.hull-group .yacht-group{margin-bottom:7px}
.hull-group .yacht-group>header{padding:5px 10px;gap:8px}.hull-group .yacht-group h3{font-size:12px}
.hull-group .search-result{padding:8px 10px;gap:10px;font-size:11px}.hull-group .configuration-power{font-size:15px;color:var(--navy);font-weight:700;line-height:1.3}
.hull-group .performance-badge{padding:4px 6px;font-size:9px!important}.hull-group .configuration-performance{margin-top:4px!important;font-size:9px!important}
/* Configuration rows: engine, narrow power, drive, propeller, field evidence. */
.hull-group .search-result{grid-template-columns:minmax(130px,1fr) 100px minmax(170px,1.25fr) minmax(125px,.9fr) minmax(145px,1fr);padding:8px 12px;gap:12px}
.hull-group .configuration-engine strong,.hull-group .configuration-drive{font-size:13px;line-height:1.4;white-space:normal;overflow-wrap:anywhere}
.hull-group .configuration-engine small:empty{display:none}
.hull-group .configuration-prop{font-size:16px;line-height:1.3;font-weight:650;color:var(--navy)}
.hull-group .configuration-prop small{font-size:11px;font-weight:400;margin-top:3px}
.hull-group .configuration-drive small{font-size:9px;line-height:1.4;white-space:normal}
.hull-group .search-result:has(.performance-badge.validated){box-shadow:inset 6px 0 #43865c}
.hull-group .search-result:has(.performance-badge.concerns){box-shadow:inset 6px 0 #b65448}
.hull-group .performance-badge.concerns{color:#8d352d;background:#fcece8;border-color:#d7a198}
@media(max-width:800px){.hull-group .search-result{grid-template-columns:minmax(0,1fr) minmax(85px,.65fr)}.hull-group .search-result>:last-child{grid-column:1/-1}}
@media(max-width:480px){.hull-group .search-result{gap:9px}.hull-group .configuration-drive{font-size:12px}.hull-group .configuration-prop{font-size:15px}}
/* Blade count is part of the primary propeller specification. */
.hull-group .configuration-prop small{font-size:14px;font-weight:600;line-height:1.35;color:var(--navy);margin-top:3px}
/* Blade count leads the propeller specification, dimensions follow below. */
.hull-group .configuration-prop small{font-size:16px;font-weight:700;margin:0 0 3px;line-height:1.3}
.hull-group .configuration-prop{font-size:14px;font-weight:500}
/* Keep blade count and dimensions together on one line. */
.hull-group .configuration-prop small{display:inline;font-size:16px;font-weight:700;margin:0;line-height:1.3}
.hull-group .configuration-prop small::after{content:' · ';font-weight:400}
.hull-group .configuration-prop{white-space:nowrap}
@media(min-width:801px){.hull-group .search-result{grid-template-columns:minmax(115px,1fr) 90px minmax(150px,1.1fr) minmax(180px,1.1fr) minmax(140px,1fr)}}
/* Database and draft workflow: keep the compact FoF visual language. */
.save-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:stretch;margin-top:12px}
.save-actions .save-calculation,.save-actions .save-variant{margin:0;width:100%;min-height:62px;white-space:normal}
.save-actions .save-variant{border:1px solid #8cabc3;background:#edf4f9;color:#002b50;border-radius:7px;padding:12px;font-weight:600}
.storage-status{font-size:12px;color:#356449;margin:9px 0}.storage-status[data-dirty=true]{color:#8a632b}
.example-note{margin-top:5px;font-size:11px}.workflow-dialog{width:min(650px,92vw);max-height:85vh;overflow:auto;padding:26px;border:1px solid #cfdeeb;border-radius:12px;color:#002b50}
.workflow-dialog::backdrop{background:#002b5055}.workflow-dialog>label{display:block;margin:12px 0}.workflow-dialog input:not([type=checkbox]),.workflow-dialog textarea{width:100%;padding:10px;border:1px solid #becfe0;border-radius:5px;margin-top:5px}.workflow-dialog .field-note{white-space:pre-line}
.workflow-dialog button,.database-toolbar button,.preview-actions button,.bin-row button,#name-cleanup button{padding:9px 13px;border:1px solid #bdd0e1;border-radius:5px;color:#002b50;background:#f5f9fc;cursor:pointer}
.database-toolbar{display:flex;gap:8px;align-items:center;margin:14px 0}.database-toolbar input{flex:1;min-width:100px;padding:10px;border:1px solid #bdd0e1;border-radius:5px}.database-toolbar select{max-width:170px}.database-preview{background:#edf4f9;border:1px solid #cbddeb;padding:12px;border-radius:7px;margin:10px 0}.database-preview>span{display:block;font-size:12px;margin:6px 0}.preview-actions{display:flex;gap:8px;flex-wrap:wrap}
.search-result.is-selected{outline:2px solid #4786b1;outline-offset:-2px;background:#edf5fb}.search-result>input[type=checkbox]{width:18px;height:18px;position:absolute;left:7px;top:50%;transform:translateY(-50%)}.search-result:has(>input){position:relative;padding-left:34px}.yacht-group header>input{width:18px;height:18px;flex:none;margin-right:8px}.builder-count{margin-left:auto;font-size:11px;font-weight:400;color:#56718a}.builder-group>summary{gap:12px}
.sidebar-workflow{display:block;width:100%;text-align:left;padding:9px 12px;color:inherit;border:0;background:none;cursor:pointer;font-size:12px}.bin-row{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid #e1e9f0}.shortcut-settings{margin:16px 0;padding:14px;background:#f2f6fa;border-radius:8px}.shortcut-settings p{display:flex;gap:16px;margin:7px 0;font-size:12px}.shortcut-settings kbd{min-width:155px;font-family:inherit;font-weight:600}.pdf-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:12px 0}.pdf-fields label{display:flex;gap:8px;align-items:center;font-size:12px}.pdf-fields input{width:16px;height:16px}
.blade-alternatives{border-top:1px solid #dbe5ee;padding:12px 0;margin-top:10px}.blade-alternatives summary{cursor:pointer;font-size:12px}.blade-alternative-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.blade-alternative-grid button{white-space:pre-line;border:1px solid #c8d9e7;border-radius:6px;background:#f6f9fc;color:#002b50;padding:10px 5px;line-height:1.7;cursor:pointer}.blade-alternative-grid button.is-active{background:#dfedf7;border-color:#4b87b2;font-weight:600}.blade-alternative-grid small{grid-column:1/-1;font-size:10px;color:#526b83}
#error{padding:12px;margin:12px 0;border:1px solid #cf8d82;border-radius:6px;background:#fff2ef;color:#853b30}#name-cleanup{padding:14px}
@media(max-width:600px){.database-toolbar{flex-wrap:wrap}.database-toolbar input{flex-basis:100%}.pdf-fields{grid-template-columns:1fr}.builder-count{font-size:10px}.save-actions{gap:6px}}
.builder-group>summary .favorite-star{order:3;margin-left:6px}.builder-group>summary .builder-count{order:2;margin-left:auto}.builder-group>summary>span{order:1}

/* Compact navigation and installation/database detail workflow. */
.sidebar{padding-top:22px;padding-bottom:16px}.nav-caption{margin-bottom:8px}.new-calculation{margin-bottom:6px}.calculation-tab{min-height:37px}.tab-name{padding-top:8px;padding-bottom:8px}.session-help{margin-top:6px}.saved-work{margin-top:10px;padding-top:10px}.saved-work #saved-calculations{max-height:132px}.saved-calculation{padding:6px}.database-search{margin:5px 0;padding:8px 10px}.sidebar-bottom{padding-top:8px}.sidebar-workflow{display:flex;align-items:center;gap:9px;margin:0 -2px 6px;padding:8px 9px;border:0;border-radius:7px;background:transparent;color:#355775;font-size:11px}.sidebar-workflow:hover{background:#dfe8f0}.sidebar-workflow svg{width:17px;height:17px}.account-area{margin-bottom:9px;padding-bottom:9px}.account-button{padding:6px}.creator{padding-top:11px}.creator img{width:124px;margin-top:5px}
#saved-more{color:#52728e;font-size:8px;line-height:1.45}
.auth-admin form{align-items:end}.auth-admin form>button{min-height:40px}
.knowledge-dialog{width:min(820px,calc(100vw - 32px));max-height:85vh;padding:25px;border:1px solid #c5d5e3;border-radius:12px;color:var(--navy);overflow:auto}.knowledge-heading{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:1.5px}.knowledge-heading button{border:0;background:none;font-size:25px;color:var(--navy)}.knowledge-dialog h2{margin:15px 0 8px;font-size:23px}.knowledge-dialog>p{color:#53718c;margin-bottom:18px}.knowledge-dialog input{width:100%;margin-bottom:16px}.knowledge-topics details{padding:15px 0;border-top:1px solid #dbe6ee}.knowledge-topics summary{cursor:pointer;font-weight:600}.knowledge-topics p{font-size:13px;line-height:1.75;margin:12px 0 0;color:#42617b}.login-page{display:grid;place-items:center;min-height:100vh;background:#f2f5f8}.login-card{width:min(440px,calc(100vw - 32px));padding:35px;border:1px solid #d0dde7;background:white;border-radius:14px;color:var(--navy)}.login-card .nav-caption{margin:24px 0 10px}.login-card h1{font-size:27px;margin-bottom:12px}.login-card p{font-size:12px;line-height:1.6;margin:12px 0}.login-card label{display:block;font-size:12px;margin:14px 0}.login-card input{display:block;width:100%;margin-top:5px}.login-card button[type=submit]{width:100%;padding:12px;background:var(--navy);color:white;border:0;border-radius:6px;margin-top:10px}.login-link{border:0;background:transparent;color:#326c9b;padding:8px 0}.environment-tag{padding:4px 8px;border-radius:4px;background:#fff0cc;color:#7c5614;font-size:10px;letter-spacing:1px}.auth-admin{width:min(1000px,calc(100vw - 32px));max-height:88vh;overflow:auto;padding:24px;border:1px solid #cfdeea;border-radius:12px;color:var(--navy)}.auth-admin header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.auth-admin header button{border:0;background:none;font-size:25px}.auth-admin .auth-user{padding:14px 0;border-top:1px solid #dbe5ec}.auth-user-title{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.auth-user-title small{color:#58728a}.auth-user-meta{font-size:11px;color:#526d84;margin:8px 0;line-height:1.6}.auth-user-actions{display:flex;gap:6px;flex-wrap:wrap}.auth-user-actions button,.auth-admin form button,.auth-link-box button{border:1px solid #bdd0e0;border-radius:5px;background:#f4f8fb;color:var(--navy);padding:7px 10px;font-size:11px}.auth-admin form{display:grid;grid-template-columns:1fr 1.4fr 100px auto;gap:10px;padding:16px 0}.auth-admin form label{font-size:11px}.auth-admin form input,.auth-admin form select{display:block;width:100%;margin-top:4px}.auth-admin table{width:100%;text-align:left;font-size:11px;border-collapse:collapse;margin:10px 0}.auth-admin td,.auth-admin th{padding:7px;border-bottom:1px solid #e0e8ee}.auth-link-box{padding:15px;margin:10px 0;background:#eff6fb;border:1px solid #bdd4e5;border-radius:6px}.auth-link-box input{width:100%;margin:8px 0}.auth-admin #auth-admin-message{font-size:12px;color:#8a4f1e}.auth-admin-stats{display:flex;gap:22px;padding:15px 0;font-size:12px;flex-wrap:wrap}@media(max-width:650px){.auth-admin form{grid-template-columns:1fr}.auth-admin table{display:block;overflow-x:auto}}
.database-browser{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,330px);gap:12px;align-items:start}.database-preview{position:sticky;top:0;max-height:600px;overflow:auto;background:#f6f9fc;border:1px solid #cbddeb;padding:16px;border-radius:8px;margin-top:12px}.database-preview h3{font-size:15px;margin:0 0 7px}.database-preview>p{font-size:10px;line-height:1.65;color:#60778c}.database-preview .preview-prop{margin:12px 0 8px;font-size:17px;font-weight:650;color:var(--navy)}.preview-assessment{display:inline-block;margin:0 0 10px;padding:4px 8px;border-radius:12px;background:#e7edf2;color:#5e7386;font-size:9px}.preview-assessment[data-assessment="meets"]{background:#dcefe5;color:#286443}.preview-assessment[data-assessment="below"]{background:#f6ded9;color:#873e34}.preview-section{padding:10px 0;border-top:1px solid #dce6ee}.preview-section h4{margin:0 0 5px;font-size:10px;color:#355775}.preview-section dl div{padding:5px 0;font-size:9px}.preview-notes{white-space:pre-wrap;margin:8px 0 0;padding:8px;background:#fff;border-radius:5px;font-size:9px;line-height:1.55;color:#526b83}.preview-provenance{margin-top:10px;font-size:9px;color:#60778c}.preview-provenance summary{cursor:pointer}.preview-provenance p{line-height:1.55}.preview-error{color:#8b463a}.details-jump{display:none}.preview-actions{position:sticky;bottom:-16px;margin:12px -16px -16px;padding:12px 16px;background:#f6f9fc;border-top:1px solid #dce6ee}.preview-actions button{font-size:9px;padding:7px 9px}.engine-reference-card{border:1px solid #cbdbe7;border-radius:8px;background:#fff;overflow:hidden}.engine-reference-card>header{display:flex;justify-content:space-between;gap:20px;padding:14px 16px;background:#edf4f9}.engine-reference-card h3{font-size:14px;margin:0;color:var(--navy)}.engine-reference-card header small{display:block;margin-top:3px;font-size:9px;color:#667f94}.engine-reference-card header>div:last-child{text-align:right}.engine-reference-card header strong{display:block;font-size:12px;color:#294f6f;font-variant-numeric:tabular-nums}.engine-drive-list{display:grid}.engine-drive-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(140px,.6fr);gap:14px;border:0;border-top:1px solid #e2eaf0;background:white;padding:10px 16px;text-align:left;color:#355775}.engine-drive-row:hover,.engine-drive-row.is-selected{background:#edf5fb}.engine-drive-row strong{font-size:11px}.engine-drive-row span{text-align:right;font-size:10px;font-variant-numeric:tabular-nums}.search-dialog:has(input[name="search_scope"][value="drives"]:checked) .database-browser{grid-template-columns:1fr}.search-dialog:has(input[name="search_scope"][value="drives"]:checked) .database-preview{display:none}
@media(max-width:900px){.database-browser{grid-template-columns:1fr}.database-preview{position:static;max-height:none}.details-jump{display:block}.database-preview:focus{outline:3px solid #6b9ac5;outline-offset:2px}}
.reference-tabs input{width:1px;height:1px;padding:0;margin:0}
.search-dialog{height:min(900px,90vh)}.yacht-group header .delete-model{font-size:10px;padding:4px 8px;border:1px solid #cfb5b0;border-radius:4px;color:#853b30;background:white}

/* Installation actions, editable engine/drive references and compact desktop workflow. */
.field-label-row{display:flex;align-items:center;gap:7px}.field-help-button{display:inline-grid;place-items:center;width:17px;height:17px;padding:0;border:1px solid #9eb5c9;border-radius:50%;background:#f5f9fc;color:#426986;font-size:10px;font-weight:700;line-height:1}.field-help-button[aria-expanded="true"]{background:#dceaf4;border-color:#6e94b4}.field-help-text{line-height:1.5;padding:7px 9px;border-left:2px solid #89a9c2;background:#f4f8fb}
.database-browser{display:block}.search-result{position:relative;padding-right:40px}.row-more{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:27px;height:27px;padding:0;border:0;border-radius:5px;background:transparent;color:#4c6b84;font-size:18px;line-height:1}.row-more:hover{background:#dae8f2}.search-result.is-selected{background:#eaf3f9!important;box-shadow:inset 3px 0 #397aa7}
dialog.database-preview{position:fixed;inset:0;width:min(780px,calc(100vw - 32px));max-height:min(820px,calc(100vh - 32px));margin:auto;overflow:auto;padding:0;background:#f6f9fc;border:1px solid #b9cfdf;border-radius:12px;box-shadow:0 24px 90px #002b5050}.database-preview::backdrop{background:#002b5060}.preview-heading{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 22px;background:#fff;border-bottom:1px solid #d8e4ed}.database-preview .preview-heading h3{margin:0;font-size:17px}.preview-close{display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:6px;background:transparent;color:#45637a;font-size:23px}.preview-close:hover{background:#edf3f7}.database-preview>div:not(.preview-actions){padding:6px 22px 16px}.database-preview .preview-prop{margin:12px 0 8px;font-size:18px}.preview-actions{position:sticky;bottom:0;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px;margin:0;padding:13px 22px;background:#fff;border-top:1px solid #d7e3ec}.preview-actions button{font-size:10px}.preview-actions .primary-action{background:var(--navy);border-color:var(--navy);color:#fff}.preview-actions .danger-action{border-color:#d5b5af;color:#8b4035;background:#fff8f6}.preview-actions .danger-action:hover{background:#f8e7e3}
.engine-manufacturer-group{border:1px solid #c7d8e5;border-radius:9px;background:#fff;overflow:hidden}.engine-manufacturer-group>summary{display:flex;align-items:center;gap:12px;padding:13px 16px;background:#eaf2f7;color:var(--navy);font-size:13px;font-weight:700;cursor:pointer}.engine-manufacturer-group>summary::marker{color:#547b99}.engine-brand-count{margin-left:auto;color:#678097;font-size:9px;font-weight:500}.engine-manufacturer-group .engine-reference-card{border:0;border-top:1px solid #dce6ee;border-radius:0}.engine-reference-card>header>div:last-child{display:grid;grid-template-columns:auto auto;align-items:center;column-gap:12px;row-gap:4px}.engine-reference-card .master-edit{grid-column:1/-1;justify-self:end}.master-edit{border:1px solid #b9cedd;border-radius:4px;background:#f8fbfd;color:#325c7d;padding:4px 8px;font-size:9px}.master-edit:hover{background:#e8f1f7}.engine-drive-row{grid-template-columns:minmax(0,1fr) minmax(140px,.6fr) auto;align-items:center}.engine-drive-row .master-edit{justify-self:end}.master-edit-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;margin-top:16px}.master-edit-fields label{margin:0}.master-edit-fields select{min-height:42px}.master-edit-fields label:last-child:nth-child(odd){grid-column:1/-1}
@media(max-width:650px){.master-edit-fields{grid-template-columns:1fr}.master-edit-fields label:last-child:nth-child(odd){grid-column:auto}.engine-reference-card>header{align-items:start;flex-direction:column}.engine-reference-card>header>div:last-child{text-align:left}.engine-reference-card .master-edit{justify-self:start}.engine-drive-row{grid-template-columns:1fr auto}.engine-drive-row span{grid-column:1}.engine-drive-row .master-edit{grid-column:2;grid-row:1/3}}
@media(min-width:1021px) and (max-height:1100px){main{padding-top:22px}.page-heading{margin-bottom:18px}.page-description{margin-top:5px}.input-panel{padding:16px 18px 15px;margin-bottom:11px}.section-heading{gap:10px;margin-bottom:12px}.section-icon{width:31px;height:31px}.section-icon svg{width:17px;height:17px}.section-title{font-size:15px}.fields{gap:10px 13px}.input-shell,select{min-height:38px;margin-top:4px}.input-shell input{padding:7px 10px;font-size:14px}select{padding-top:7px;padding-bottom:7px}.under-label{margin-top:3px}.field-note{margin-top:8px;line-height:1.45}.help-detail{margin-top:9px}.help-detail p{padding:9px 11px;line-height:1.55}.method-choice{gap:10px}.auto-switch{padding:8px 10px}.method-options{margin-top:8px}.method-segmented span{min-height:35px;padding:7px 5px}.method-banner{margin-top:10px;padding:9px 11px}.method-banner strong{font-size:15px}.method-inputs{margin-top:10px;padding-top:9px;gap:11px}fieldset{margin-top:11px;padding-top:9px}.optional-section{margin-top:9px;padding-top:8px}.optional-section .fields{margin-top:8px}}

/* Dense account-manager workspace: reduce margins and padding, keep controls legible. */
@media(min-width:761px){main{padding:16px 18px 0;max-width:1450px}.page-heading{margin-bottom:10px}.page-heading h1{font-size:27px;line-height:1.12}.page-description{font-size:11px;margin-top:3px}.workspace{gap:13px;grid-template-columns:minmax(0,1fr) minmax(350px,.92fr)}.input-panel{padding:12px 14px 11px;margin-bottom:8px;border-radius:10px}.section-heading{gap:9px;margin-bottom:9px}.section-icon{width:30px;height:30px;border-radius:7px}.section-icon svg{width:16px;height:16px}.section-title{font-size:14px}.fields{column-gap:10px;row-gap:7px}.field{font-size:11px}.input-shell,select{min-height:35px;margin-top:3px}.input-shell input{padding:5px 9px;font-size:13px}select{padding:6px 26px 6px 9px;font-size:11px}.input-unit{padding-right:9px;font-size:9px}.optional{font-size:8px}.under-label{font-size:8px;line-height:1.35;margin-top:2px}.field-note{font-size:9px;line-height:1.4;margin-top:6px}.optional-section{margin-top:7px;padding-top:7px}.optional-section summary{font-size:9px}.optional-section .fields{margin-top:7px}.help-detail{font-size:9px;margin-top:7px}.help-detail p{padding:8px 10px;line-height:1.45}.help-detail summary::after{font-size:12px}.segmented{min-height:35px}.segmented span{min-height:33px;font-size:12px}.blade-choice legend{font-size:11px;margin-bottom:4px}.method-choice{gap:8px}.auto-switch{padding:7px 9px}.auto-switch strong{font-size:11px}.auto-switch small{font-size:8px}.method-options{margin-top:7px}.method-segmented span{min-height:32px;padding:5px 4px;font-size:9px}.method-banner{margin-top:7px;padding:8px 10px;gap:3px}.method-banner strong{font-size:14px}.method-banner>span{font-size:9px;line-height:1.4}.method-inputs{margin-top:8px;padding-top:7px;gap:9px}fieldset{margin-top:9px;padding-top:7px}legend{font-size:9px}.text-action{margin-top:5px}.input-panel:last-of-type{margin-bottom:8px}}
@media(min-width:1600px){main{max-width:1580px;padding:16px 20px 0}.page-heading{margin-bottom:10px}.workspace{grid-template-columns:minmax(0,1.13fr) minmax(450px,.87fr);gap:14px}#calculator{gap:9px 11px}#calculator>.input-panel{padding:12px 14px 11px}#method-section{column-gap:10px}.section-heading{margin-bottom:9px}.fields{gap:7px 10px}.input-shell,select{min-height:35px;margin-top:3px}.method-inputs{gap:10px;margin-top:8px;padding-top:7px}}
.page-heading>.rename-current{padding-top:0}.example-note{font-size:9px;margin:2px 0 7px}.field-help-button{width:15px;height:15px;font-size:9px}.field-help-text{padding:5px 7px;margin-top:3px}.order-deviation textarea{min-height:62px}

/* Match the Calculations hierarchy and keep drive rows dense and readable. */
.engine-manufacturer-group{margin:0 0 8px;border-color:#d2dfe9;border-radius:8px}.engine-manufacturer-group>summary{list-style:none;padding:9px 12px;background:#edf3f8;font-size:14px;font-weight:650;gap:10px}.engine-manufacturer-group>summary::-webkit-details-marker{display:none}.engine-manufacturer-group>summary:before{content:'›';font-size:20px;line-height:1}.engine-manufacturer-group[open]>summary:before{transform:rotate(90deg)}.engine-brand-count{font-size:10px;font-weight:400}.engine-reference-card>header{padding:7px 12px;background:#f5f8fb;align-items:center}.engine-reference-card h3{font-size:14px}.engine-reference-card header small{font-size:10px;margin-top:1px}.engine-reference-card header strong{display:inline;font-size:12px;margin-left:10px}.engine-reference-card>header>div:last-child{display:flex;align-items:center;gap:8px}.engine-reference-card .master-edit{grid-column:auto;justify-self:auto}.engine-drive-row{grid-template-columns:100px minmax(120px,.8fr) minmax(180px,1fr) auto;gap:10px;padding:6px 12px;min-height:36px}.engine-drive-row .drive-kind{font-size:12px;font-weight:650;color:#526f87;text-align:left}.engine-drive-row strong{font-size:14px;color:var(--navy)}.engine-drive-row .drive-ratios{font-size:12px;text-align:left;color:#486985}.master-edit{font-size:10px;padding:4px 9px}.engine-drive-row .master-edit{justify-self:end}.master-edit-fields{gap:9px 12px}
@media(max-width:800px){.engine-drive-row{grid-template-columns:85px minmax(100px,1fr) auto}.engine-drive-row .drive-ratios{grid-column:1/3}.engine-drive-row .master-edit{grid-column:3;grid-row:1/3}.engine-reference-card>header>div:last-child{flex-wrap:wrap}}

.blade-alternative-grid button.has-area-guidance{border-bottom:3px solid #78a18f;background:#f3f8f5}.blade-alternative-grid button.has-area-guidance.is-active{background:#dfeee8;border-color:#4c8a70}.blade-alternative-grid small{line-height:1.5}.database-search{display:flex;align-items:center;gap:7px;min-height:39px;margin:7px 0;padding:9px 11px;font-size:12px;font-weight:700}.database-search:before{content:'⌕';font-size:20px;line-height:.8;font-weight:700}

/* 1920×1080 working layout: use width to remove rows instead of shrinking text. */
@media(min-width:1600px){
  main{max-width:1660px;padding:13px 17px 0}
  .workspace{grid-template-columns:minmax(0,1.35fr) minmax(450px,.65fr);gap:12px}
  #calculator{grid-template-columns:minmax(330px,.72fr) minmax(0,1.28fr);gap:7px 9px}
  #calculator>.input-panel{padding:9px 11px 8px}
  .section-heading{gap:7px;margin-bottom:6px}.section-icon{width:26px;height:26px}.section-icon svg{width:14px;height:14px}.section-title{font-size:12px!important}
  .fields{column-gap:8px;row-gap:4px}.input-shell,select{min-height:32px;margin-top:2px}.input-shell input{padding:4px 8px;font-size:13px}select{padding:4px 24px 4px 8px}
  .optional-section{margin-top:5px;padding-top:5px}.help-detail{margin-top:5px}.under-label{margin-top:1px}.field-note{margin-top:4px}.segmented{min-height:32px}.segmented span{min-height:30px}
  #vessel-section{display:grid;grid-template-columns:1fr 1fr;column-gap:8px;align-content:start}
  #vessel-section>.section-heading,#vessel-section>.fields,#vessel-section>#engine-arrangement-note{grid-column:1/-1}
  #vessel-section>.optional-section{grid-column:1}#vessel-section>.help-detail{grid-column:2;align-self:start;padding-top:5px;border-top:1px solid #e2eaf1}
  #engine-section>.fields{grid-template-columns:repeat(3,minmax(0,1fr))}
  #method-section{grid-template-columns:minmax(150px,.55fr) minmax(390px,1.55fr) minmax(190px,.8fr);column-gap:8px;row-gap:5px}
  #method-section>.section-heading{grid-column:1/-1}
  #method-section>.setup-blades{grid-column:1;grid-row:2;margin:0;padding:0;border:0}
  #method-section>.method-choice{grid-column:2;grid-row:2;display:grid;grid-template-columns:minmax(165px,.85fr) minmax(230px,1.15fr);gap:7px;margin:0;align-items:start}
  #method-section>.method-choice .method-options{margin:0}
  #method-section>.method-banner{grid-column:3;grid-row:2;margin:0;min-height:0;padding:7px 8px}
  #method-section>.method-help{grid-column:1/-1;grid-row:3;margin-top:2px}
  #method-section>.method-inputs{grid-column:1/-1;grid-row:4;grid-template-columns:minmax(190px,.45fr) minmax(0,1.55fr);gap:8px;margin-top:1px;padding-top:5px}
  #method-section>.method-inputs>fieldset{margin:0;padding:0}
  #little-fields>.fields{grid-template-columns:repeat(4,minmax(0,1fr))}
  #little-fields>.fields>.full-field{grid-column:span 2}
  .auto-switch{padding:6px 8px}.auto-switch small{margin-top:2px}.method-segmented span{min-height:32px;padding:4px 3px}
}
/* Blade comparison belongs to results; selection and model preference are distinct. */
.blade-comparison{padding:12px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f8fbfd}
.blade-comparison legend{font-size:12px;margin-bottom:7px}
.blade-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
.blade-result-grid label{position:relative;cursor:pointer;min-width:0}
.blade-result-grid input{position:absolute;opacity:0;width:1px;height:1px}
.blade-label{display:block;height:100%;border:1px solid #c7d8e5;border-radius:6px;padding:9px 7px;background:#fff;color:#355775}
.blade-label>strong{font-size:14px;display:block;line-height:1.4}
.blade-label>strong>small{font:inherit}
.blade-result-grid input:checked+.blade-label{border-color:#24638e;box-shadow:inset 0 0 0 1px #24638e;background:#e9f2f8}
.blade-result-grid input:checked+.blade-label>strong:after{content:' ✓';color:#24638e}
.blade-result-grid input:focus-visible+.blade-label{outline:3px solid #6b9ac5;outline-offset:2px}
.blade-candidate-data>span,.blade-candidate-data>small,.blade-candidate-data>em{display:block;margin-top:4px;line-height:1.45;overflow-wrap:anywhere}
.blade-candidate-data .blade-size{font-size:12px;font-weight:600}
.blade-candidate-data>small{font-size:10px;font-variant-numeric:tabular-nums}
.blade-candidate-data .blade-preference{font-size:10px;font-style:normal;color:#286043;font-weight:650}
.blade-result-grid .is-recommended .blade-label{border-bottom:3px solid #4c8a70}
.blade-result-grid .is-unusable .blade-label{border-bottom:3px solid #bd785e}
.blade-candidate-data .blade-issue{color:#854c32;font-size:9px}
#blade-comparison-status{font-size:11px;line-height:1.5;margin-top:8px}
.blade-comparison-help{font-size:10px;margin-top:6px}
@media(min-width:1600px){#method-section>.method-choice{grid-column:1/3;grid-template-columns:minmax(185px,.75fr) minmax(250px,1.25fr)}.blade-comparison{padding:10px 16px}}
@media(max-width:480px){.blade-comparison{padding:12px}.blade-result-grid{gap:5px}.blade-label{padding:7px 5px}.blade-candidate-data>small{font-size:9px}}

/* Feedback: same restrained dialog and sidebar language. */
#feedback-dialog{max-width:600px}#feedback-dialog form label{display:block;margin:16px 0 6px}#feedback-dialog select,#feedback-dialog textarea{display:block;width:100%;margin-top:6px}#feedback-dialog button[type=submit]{background:var(--navy);color:white;border:0;border-radius:6px;padding:10px 18px}.feedback-admin{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}.feedback-admin summary{cursor:pointer;font-weight:600}.feedback-admin article{padding:14px 0;border-bottom:1px solid var(--line)}.feedback-admin button{display:block;margin-top:10px}.login-card .creator{margin-top:24px;text-align:center}.login-card .creator img{display:block;margin:4px auto 0;object-fit:contain}

/* Let database shortcuts use the available sidebar height. */
.saved-work{display:flex;flex-direction:column;flex:1 1 180px;min-height:100px}.saved-work #saved-calculations{flex:1 1 auto;min-height:0;max-height:none;overflow-y:auto}.saved-work>.saved-heading,.saved-work>.database-search,.saved-work>.session-help{flex-shrink:0}#calculation-tabs{flex:0 1 auto;max-height:25vh}.sidebar-bottom{margin-top:10px}
@media(max-height:850px) and (min-width:761px){#open-session-help{display:none}}

.login-card input,.login-language select{border:1px solid #bfd0de;border-radius:5px;padding:9px 10px;background:#fafcfe;color:var(--navy);min-height:40px}.login-card .login-language{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0}.login-language select{min-height:34px;padding:5px 8px}.under-label[role=status]{font-size:10px;line-height:1.45}
/* Keep longer translated field labels readable on narrow phones. */
@media(max-width:480px){#calculator .fields{grid-template-columns:minmax(0,1fr)}#calculator .fields .field{grid-column:1/-1}}