:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;font-variant-numeric:tabular-nums;color:var(--text);background:var(--canvas);--ink:#173c56;--text:#263e4f;--muted:#5b6c78;--line:#dbe3e8;--blue:#1c5f83;--pale:#edf4f7;--gold:#f8c766;--white:#fff;--canvas:#f5f6f8;--radius:8px;--motion-fast:.15s;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body{background:var(--canvas);min-width:0;color:var(--text);margin:0}[hidden]{display:none!important}a{color:var(--blue);text-underline-offset:3px;transition:color var(--motion-fast) ease;text-decoration-thickness:1px}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}input,select,textarea{min-width:0;max-width:100%}:where(input:not([type=checkbox]):not([type=radio]),select,textarea){border:1px solid var(--line);background:var(--white);border-radius:6px;padding:10px 12px}:where(input:not([type=checkbox]):not([type=radio]),select){min-height:44px}button:disabled,input:disabled,select:disabled,textarea:disabled{cursor:not-allowed;opacity:.5}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:12px 16px;font-weight:600;position:fixed;top:-100px;left:16px}.skip-link:focus{top:12px}.wrap{width:calc(100% - 80px);max-width:1180px;margin-inline:auto}.site-header{border-bottom:1px solid var(--line);align-items:center;gap:24px;min-height:72px;display:flex}.brand{min-width:0;color:var(--ink);letter-spacing:-.9px;align-items:center;gap:10px;font-size:24px;font-weight:750;line-height:1.1;text-decoration:none;display:inline-flex}.brand>svg,.brand>img,.brand-mark{flex:none;width:34px;height:34px;display:block}.brand small{letter-spacing:.6px;color:var(--muted);margin-top:3px;font-size:10px;font-weight:500;line-height:1.2;display:block}.main-nav{align-items:center;gap:4px;margin-left:auto;display:flex}.main-nav a,.main-nav button{min-height:44px;color:var(--muted);white-space:nowrap;transition:color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;justify-content:center;align-items:center;padding:10px 14px;font-size:14px;line-height:1.4;text-decoration:none;display:inline-flex}.main-nav .site-home-link{border-left:1px solid var(--line);color:var(--blue);flex:none;margin-left:8px;padding-left:16px;font-weight:600}.main-nav .site-home-link span[aria-hidden=true]{margin-right:2px}.main-nav [aria-current=page]{border-bottom-color:var(--blue);color:var(--ink);font-weight:650}.preview-badge{color:#6b511e;white-space:nowrap;background:#fff3dc;border:1px solid #e4c68d;border-radius:4px;flex:none;padding:4px 9px;font-size:11px;font-weight:600;line-height:1.3}.primary-button,.secondary-button,.text-button,.icon-button{text-align:center;max-width:100%;min-height:44px;transition:color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;display:inline-flex}.primary-button{border-color:var(--ink);background:var(--ink);color:var(--white)}.secondary-button{border-color:var(--line);background:var(--white);color:var(--ink)}.text-button{min-height:40px;color:var(--blue);background:0 0;padding:8px 2px;font-size:13px;font-weight:500}.icon-button{width:44px;color:var(--muted);background:0 0;flex:none;padding:8px;font-size:23px;line-height:1}.primary-button svg,.secondary-button svg,.text-button svg,.icon-button svg{stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:18px;height:18px}.site-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:20px 32px;margin-top:32px;padding-block:24px;font-size:13px;line-height:1.5;display:flex}.site-footer p{margin:0}.footer-links{flex-wrap:wrap;align-items:center;gap:4px 20px;display:flex}.footer-links a,.footer-links .text-button{min-height:36px;color:var(--muted);align-items:center;padding-block:6px;font-size:13px;font-weight:400;display:inline-flex}@media (hover:hover){a:hover{color:var(--ink)}.main-nav a:hover,.main-nav button:hover:not(:disabled){background:var(--pale);color:var(--ink)}.primary-button:hover:not(:disabled){border-color:var(--blue);background:var(--blue);color:var(--white)}.secondary-button:hover:not(:disabled),.icon-button:hover:not(:disabled){border-color:var(--line);background:var(--pale);color:var(--ink)}.text-button:hover:not(:disabled){color:var(--ink);text-decoration:underline}}@media (max-width:900px){.wrap{width:calc(100% - 40px)}.site-header{gap:16px}.main-nav a,.main-nav button{padding-inline:12px}.site-footer{align-items:flex-start}}@media (max-width:680px){.wrap{width:calc(100% - 32px)}.site-header{flex-wrap:wrap;gap:8px 12px;min-height:0;padding-top:12px}.site-header .brand{order:1;font-size:23px}.site-header .preview-badge{order:2;margin-left:auto}.site-header .main-nav{order:3;gap:0;width:100%;margin:0}.main-nav a,.main-nav button{flex:1;min-width:0;padding:11px 8px;font-size:13px}.site-header .main-nav .site-home-link{flex:none;margin-left:2px;padding-inline:8px 4px;font-size:12px}.site-footer{flex-direction:column;gap:8px;padding-block:22px}.footer-links{gap:2px 16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{body{color:#111;background:#fff}.wrap{width:100%;max-width:none}.site-header,.site-footer,.skip-link{display:none}}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink)}h1{letter-spacing:-1px;margin-bottom:8px;font-size:clamp(28px,3vw,34px);font-weight:700;line-height:1.15}h2{letter-spacing:-.35px;margin-bottom:0;font-size:20px;line-height:1.3}h3{margin-bottom:0;font-size:16px;line-height:1.4}p{margin-bottom:12px}.muted{color:var(--muted)}.small{font-size:13px;line-height:1.5}.intro{justify-content:space-between;align-items:center;gap:24px;padding:28px 0 25px;display:flex}.intro p,.section-intro p{color:var(--muted);margin:0;font-size:15px;line-height:1.6}.catalogue-count{flex-shrink:0;align-items:center;gap:28px;display:flex}.catalogue-count>span{flex-direction:column;font-size:12px;display:flex}.catalogue-count strong{color:var(--ink);font-variant-numeric:tabular-nums;font-size:20px;font-weight:650;line-height:1.45}.workspace{background:var(--white);border:1px solid #cbd7df;border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);display:grid;box-shadow:0 3px 8px #173c5604}.input-panel,.output-panel{min-width:0;padding:24px 28px}.output-panel{border-left:1px solid var(--line);background:#f9fbfc;border-radius:0 12px 12px 0}.panel-heading{justify-content:space-between;align-items:center;gap:12px;min-height:36px;margin-bottom:16px;display:flex}.panel-heading h2{font-size:19px}.panel-heading .text-button{min-height:36px}.text-button svg,.primary-button svg,.secondary-button svg{stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:18px;height:18px}.mode-switch{border:1px solid var(--line);background:#f1f4f6;border-radius:7px;gap:3px;padding:3px;display:flex}.mode-switch button{min-height:38px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:5px;flex:1;padding:8px 10px;font-size:13px;font-weight:550}.mode-switch button[aria-pressed=true]{background:var(--white);color:var(--ink);border-color:#d2dce3;font-weight:650;box-shadow:0 1px 3px #173c560a}.mode-description{color:var(--muted);margin:10px 0 20px;font-size:13px;line-height:1.55}.input-head,.input-row{grid-template-columns:minmax(88px,.52fr) minmax(0,1fr) 32px;gap:10px;display:grid}.input-head{color:var(--muted);margin-bottom:8px;font-size:13px}.input-row{align-items:start;padding:0 0 12px}.input-row+.input-row{border-top:1px solid var(--line);padding-top:16px}.amount-field{width:100%;min-width:0;height:60px;color:var(--ink);background:var(--white);font-variant-numeric:tabular-nums;border:1px solid #b9c9d4;border-radius:7px;padding:12px;font-size:25px;font-weight:550;transition:border-color .14s,box-shadow .14s}.amount-field:focus{border-color:var(--blue)}.amount-field[aria-invalid=true]{background:#fff9f6;border-color:#b24730}.reference-choice{min-width:0}.reference-select{background:var(--white);text-align:left;border:1px solid #b9c9d4;border-radius:7px;justify-content:space-between;align-items:center;gap:8px;width:100%;min-height:60px;padding:10px 11px;display:flex}.reference-select>span{min-width:0}.reference-select strong{overflow-wrap:anywhere;font-size:14px;font-weight:600;line-height:1.35;display:block}.reference-select small{color:var(--muted);overflow-wrap:anywhere;margin-top:3px;font-size:12px;line-height:1.35;display:block}.reference-select>svg{width:16px;height:16px;stroke:var(--muted);stroke-width:1.6px;flex:none}.reference-details{min-height:32px;color:var(--muted);text-align:left;background:0 0;border:0;align-items:center;gap:5px;margin:3px 0 0;padding:3px 0;font-size:12px;display:inline-flex}.reference-details svg{stroke:currentColor;stroke-width:1.4px;flex:none;width:15px;height:15px}.remove-input{width:32px;min-width:32px;min-height:44px;margin-top:8px;font-size:23px}.remove-input:disabled{visibility:hidden}.field-error{color:#9b3825;grid-column:1/-1;margin:-2px 0 4px;font-size:13px;line-height:1.5}.add-button{background:var(--white);width:100%;min-height:44px;color:var(--blue);border:1px dashed #b8c9d3;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-size:14px;font-weight:550;display:flex}.add-button>span{font-size:21px;font-weight:400;line-height:1}#input-limit{margin:10px 0 0;font-size:12px}.results-shortcut{display:none}.output-choices{flex-wrap:wrap;gap:7px;margin-bottom:18px;display:flex}.output-chip{background:var(--white);border:1px solid #c7d5de;border-radius:6px;max-width:100%;display:flex}.output-chip button{background:0 0;border:0;min-height:36px;font-size:12px}.output-chip button:first-child{text-align:left;overflow-wrap:anywhere;border-radius:5px 0 0 5px;min-width:0;padding:7px 9px}.output-chip button:last-child{width:32px;min-width:32px;color:var(--muted);border-radius:0 5px 5px 0;padding:3px;font-size:18px}.result-group+.result-group{border-top:2px solid #cad8e0;margin-top:24px;padding-top:20px}.result-group-heading{color:var(--muted);overflow-wrap:anywhere;margin:0;padding:0 0 9px;font-size:13px;font-weight:550;line-height:1.55}.result-row{border-top:1px solid #e1e8ed;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 20px;padding:14px 0;display:flex}.result-label{text-align:left;background:0 0;border:0;flex:140px;min-width:0;min-height:44px;padding:0}.result-label strong{font-size:14px;font-weight:600;line-height:1.4;display:block}.result-label small{color:var(--muted);margin-top:4px;font-size:12px;line-height:1.45;display:block}.result-value{max-width:100%;color:var(--ink);letter-spacing:-1px;text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;flex:0 auto;margin-left:auto;font-size:clamp(28px,2.7vw,36px);font-weight:650;line-height:1.15}.result-number{display:inline}.full-number-format{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;margin:0 0 14px;display:flex}.full-number-format[hidden]{display:none}.result-format-label{font-size:12px;font-weight:550;line-height:1.5}.result-format-options{border:1px solid var(--line);background:var(--white);border-radius:7px;flex-wrap:wrap;align-items:center;gap:4px;max-width:100%;padding:4px;display:flex}.result-format-options button{min-height:36px;color:var(--blue);font:inherit;cursor:pointer;white-space:normal;background:0 0;border:0;border-radius:5px;padding:7px 10px;font-size:12px;font-weight:550;line-height:1.4}.result-format-options button[aria-pressed=true]{background:var(--ink);color:var(--white)}.result-format-options button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.result-value.result-value-symbolic{letter-spacing:-.4px;overflow-wrap:anywhere;word-break:break-word;font-size:clamp(18px,2.2vw,29px);line-height:1.35}.full-number-format{margin:12px 0 10px}.full-number-trigger{width:max-content;max-width:100%;min-height:32px;color:var(--blue);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;margin:5px 0 0 auto;padding:4px 0;font-size:12px;font-weight:550;line-height:1.5;text-decoration:underline;display:block}.full-number-dialog{width:min(720px,100% - 24px)}.full-number-dialog .dialog-heading{margin-bottom:12px}.full-number-kind{color:var(--ink);margin:18px 0 8px;font-size:13px;font-weight:650}.full-number-value{overflow-wrap:anywhere;word-break:break-word;border:1px solid var(--line);max-height:min(36dvh,340px);color:var(--ink);font-variant-numeric:tabular-nums;white-space:pre-wrap;background:#f7fafb;border-radius:7px;margin:0 0 14px;padding:16px;font:500 14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}.full-number-dialog #full-number-note{line-height:1.7}.full-number-dialog #copy-full-number{min-height:42px;margin-top:6px}.result-value small{letter-spacing:0;max-width:250px;color:var(--muted);margin-top:4px;margin-left:auto;font-size:12px;font-weight:400;line-height:1.45;display:block}.approx-mark{color:#687f8e;vertical-align:.08em;margin-right:4px;font-size:.62em;font-weight:450}.result-actions{border-top:1px solid var(--line);flex-wrap:wrap;gap:10px;margin-top:8px;padding-top:18px;display:flex}.result-actions button{gap:8px}.result-note{color:var(--muted);margin:14px 0 0;font-size:12px;line-height:1.6}.result-error,.notice{color:#803d2b;background:#fff8f1;border:1px solid #e2bba9;border-radius:7px;padding:14px 16px;font-size:14px;line-height:1.6}.notice{margin-top:20px}.catalogue-notice{background:#fff8e9;border:1px solid #ddc58f;border-radius:7px;justify-content:space-between;align-items:center;gap:20px;margin-top:20px;padding:16px 18px;display:flex}.catalogue-notice p{margin:0;font-size:13px;line-height:1.6}.catalogue-notice button{flex:none}.examples{flex-wrap:wrap;align-items:center;gap:6px 20px;margin:18px 0 0;display:flex}.examples>span{color:var(--muted);font-size:13px}.examples button{min-height:40px;color:var(--blue);background:0 0;border:0;align-items:center;gap:8px;padding:5px 0;font-size:13px;display:flex}.examples button>span{color:var(--muted)}.conversion-guide{border:1px solid var(--line);background:var(--white);border-radius:12px;margin-top:24px;padding:20px 22px}.conversion-guide h2{margin-bottom:8px;font-size:18px}.conversion-guide p{max-width:82ch;color:var(--muted);margin:0 0 12px;font-size:14px;line-height:1.7}.conversion-guide p:last-child{margin-bottom:0}.conversion-table{border-collapse:collapse;text-align:left;width:100%;margin:12px 0;font-size:14px}.conversion-table caption{color:var(--ink);text-align:left;padding-bottom:7px;font-weight:600}.conversion-table th,.conversion-table td{border-bottom:1px solid var(--line);padding:9px 12px 9px 0}.conversion-table thead th{color:var(--muted);font-weight:550}.conversion-table tbody th{font-weight:550}.method-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:12px}.method-note summary{color:var(--ink);cursor:pointer;padding:17px 0;font-size:13px;font-weight:550;line-height:1.6}.method-note p{max-width:86ch;color:var(--muted);font-size:14px;line-height:1.8}.section-intro{padding:32px 0 24px}.section-intro h1{margin-bottom:10px}.search-field{background:var(--white);border:1px solid #bfcfd9;border-radius:7px;align-items:center;gap:11px;min-height:48px;padding:0 14px;transition:border-color .14s;display:flex}.search-field:focus-within{border-color:var(--blue);outline:2px solid var(--blue);outline-offset:2px}.search-field input:focus-visible{outline:none}.search-field svg{width:20px;height:20px;stroke:var(--muted);stroke-width:1.7px;flex:none}.search-field input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;border-radius:0;padding:12px 0;font-size:15px}.category-select{min-width:0;color:var(--muted);align-items:center;gap:10px;font-size:13px;display:flex}.category-select select{background:var(--white);width:100%;min-width:0;height:48px;color:var(--ink);cursor:pointer;border:1px solid #bfcfd9;border-radius:7px;padding:9px 30px 9px 12px;font-size:14px}.explore-toolbar{grid-template-columns:minmax(0,1fr) minmax(250px,340px);align-items:center;gap:20px;display:grid}.explore-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;padding:18px 0;display:flex}.category-filter{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.category-filter button{min-height:38px;color:var(--muted);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:6px;padding:8px 12px;font-size:13px}.category-filter button[aria-pressed=true]{background:var(--pale);color:var(--ink);border-color:#c6d8e2;font-weight:600}#explore-count{margin:0}.reference-grid{border-top:1px solid #c7d4de;margin-bottom:32px}.reference-card{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(120px,.4fr) 190px;align-items:center;gap:24px;min-width:0;padding:24px 0;display:grid}.reference-card h2{letter-spacing:-.2px;overflow-wrap:anywhere;margin-bottom:6px;font-size:18px;line-height:1.4}.category-label{color:var(--muted);margin:0 0 7px;font-size:12px;line-height:1.5}.reference-card .dimension{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.reference-size{color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:0;font-size:25px;font-weight:600;line-height:1.3}.reference-size>span:not(.measurement-kind){color:var(--muted);font-size:.7em;font-weight:400}.reference-size small{font-size:14px;font-weight:400}.measurement-kind{color:var(--muted);margin-top:7px;font-size:12px;font-weight:400;display:block}.card-actions{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:2px 14px;display:flex}.card-actions .secondary-button{justify-content:space-between;gap:12px;width:100%;min-height:40px;padding:8px 12px;font-size:13px}.card-actions .text-button{min-height:36px;padding-inline:0;font-size:13px}.reference-page-link{align-items:center;gap:5px;min-height:32px;font-size:12px;text-decoration:none;display:inline-flex}.search-empty{text-align:center;grid-column:1/-1;padding:40px 20px}.search-empty p{color:var(--muted);margin:10px 0 20px;font-size:14px}.empty-state{border:1px solid var(--line);background:var(--white);text-align:center;border-radius:8px;padding:38px 25px}.empty-state h2,.empty-state h3{margin-bottom:12px;font-size:20px}.empty-state p{max-width:490px;color:var(--muted);margin:0 auto;font-size:14px;line-height:1.75}#results .empty-state{border-style:dashed;padding:25px 15px}.community-toolbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px;display:flex}.community-toolbar p{margin:0;font-size:14px;font-weight:600}.community-policy{max-width:800px;margin-top:22px;font-size:13px;line-height:1.75}.community-card{border-bottom:1px solid var(--line);padding:24px 0}.community-meta{color:var(--muted);justify-content:space-between;gap:12px;font-size:13px;display:flex}.community-equation{overflow-wrap:anywhere;margin:12px 0;font-size:18px;font-weight:600;line-height:1.6}.community-card .text-button{margin-right:15px}.community-card .small{margin:5px 0 12px}.collection-teaser{margin-top:32px;padding-top:26px}.collection-intro{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 20px;margin-bottom:20px;display:flex}.collection-intro h2{font-size:19px}.collection-intro p{color:var(--muted);margin:0;font-size:13px}.collection-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:32px;display:grid}.collection-links a{color:var(--ink);border-top:1px solid #c7d5de;flex-direction:column;gap:7px;padding:15px 28px 12px 0;text-decoration:none;display:flex;position:relative}.collection-links a>span:first-child{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.collection-links strong{font-size:15px;font-weight:600}.collection-links small{color:var(--muted);font-size:13px;line-height:1.6}.external-arrow{color:var(--blue);font-size:20px;position:absolute;top:15px;right:2px}.ruler-track{background:repeating-linear-gradient(90deg,#7c98a8 0 1px,#0000 1px 10%) bottom/100% 8px no-repeat;border-bottom:1px solid #8da7b6;height:34px;margin:15px 0 7px;position:relative}.ruler-fill{background:var(--gold);border-radius:2px;height:12px;position:absolute;top:5px;left:0}.scale-note{color:var(--muted);margin:0;font-size:12px;line-height:1.6}.view{animation:.15s ease-out view-in}@keyframes view-in{0%{opacity:.5}to{opacity:1}}dialog{overscroll-behavior:contain;background:var(--white);width:min(680px,100% - 40px);max-height:calc(100dvh - 48px);color:var(--ink);border:1px solid #cbd7df;border-radius:12px;padding:26px;overflow:auto;box-shadow:0 24px 80px #102f4533}dialog[open]{animation:.18s cubic-bezier(.2,.7,.3,1) dialog-in}dialog::backdrop{background:#132f4666;animation:.16s ease-out backdrop-in}@keyframes dialog-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes backdrop-in{0%{opacity:0}to{opacity:1}}.dialog-heading{justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px;display:flex}.dialog-heading h2{font-size:22px;line-height:1.35}.dialog-heading .icon-button{flex:none}.picker-dialog{width:min(820px,100% - 40px);height:min(760px,100dvh - 48px);max-height:min(760px,100dvh - 48px);padding:0;overflow:hidden}.picker-dialog[open]{flex-direction:column;display:flex}.picker-header{border-bottom:1px solid var(--line);flex:none;padding:20px 24px 12px}.picker-header .dialog-heading{margin-bottom:16px}.picker-filters{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;margin-top:14px;display:flex}.picker-filters .category-select{flex:0 280px}.picker-filters select{height:40px;font-size:13px}#picker-count{margin:12px 0 0;font-size:12px}.picker-results{overscroll-behavior:contain;scrollbar-gutter:stable;flex:auto;min-height:0;padding:20px 24px 24px;overflow-y:auto}.picker-group+.picker-group{margin-top:24px}.picker-group h3{align-items:baseline;gap:10px;margin:0 0 10px;font-size:13px;font-weight:650;line-height:1.5;display:flex}.picker-group h3 span{color:var(--muted);font-size:12px;font-weight:400}.picker-group-options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.picker-option{border:1px solid var(--line);background:var(--white);text-align:left;border-radius:7px;align-items:center;gap:11px;min-width:0;min-height:75px;padding:12px;display:flex}.picker-option.is-selected{background:#f0f7fa;border-color:#5990ae}.picker-option-text{flex:auto;min-width:0}.picker-option strong{overflow-wrap:anywhere;font-size:14px;font-weight:600;line-height:1.4;display:block}.picker-option small{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.4;display:block}.reference-unit-symbol{white-space:nowrap;width:34px;height:36px;color:var(--blue);flex:0 0 34px;place-items:center;font-size:15px;font-weight:650;display:grid;overflow:hidden}.reference-unit-symbol svg{stroke:currentColor;stroke-width:1.4px;stroke-linecap:round;stroke-linejoin:round;width:23px;height:23px}.selection-check{color:var(--blue);margin-left:auto;font-size:17px}.reference-dialog p,.publish-dialog p,.actions-dialog>p{color:var(--text);font-size:14px;line-height:1.8}.reference-definition{border-left:3px solid var(--gold);margin:18px 0;padding:1px 0 1px 16px}.reference-facts{grid-template-columns:120px minmax(0,1fr);gap:12px 20px;margin:24px 0;font-size:14px;line-height:1.6;display:grid}.reference-facts dt{color:var(--muted)}.reference-facts dd{overflow-wrap:anywhere;margin:0}.source-link{margin-bottom:5px;font-size:14px;display:block}.source-note{line-height:1.7;color:var(--muted)!important;font-size:12px!important}.reference-dialog .reference-page-link{margin-top:8px;font-size:14px}.actions-dialog{max-width:490px}.share-dialog{width:min(640px,100% - 40px);max-width:640px;padding:0;overflow:hidden}.share-dialog[open]{flex-direction:column;display:flex}.share-heading{border-bottom:1px solid var(--line);flex:none;margin:0;padding:22px 26px 18px}.share-heading .category-label{margin-bottom:6px;font-size:11px}.share-content{overscroll-behavior:contain;scrollbar-gutter:stable;min-height:0;padding:22px 26px 16px;overflow-y:auto}.share-selection{color:var(--ink);gap:7px;font-size:13px;font-weight:550;display:grid}.share-selection select{background:var(--white);width:100%;min-width:0;height:46px;color:var(--ink);font:inherit;text-overflow:ellipsis;border:1px solid #b9c9d4;border-radius:6px;padding:10px 12px;font-weight:400}.share-fact-preview{border:1px solid #cbd8e0;border-top:4px solid var(--gold);overflow-wrap:anywhere;background:#f7fafb;border-radius:8px;margin-top:20px;padding:22px 24px}.share-fact-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 12px;margin-bottom:25px;font-size:11px;display:flex}.share-wordmark{color:var(--ink);letter-spacing:-.3px;font-size:15px;font-weight:700}.share-wordmark>span{color:#8296a2;margin-left:7px;font-weight:400}.share-fact-preview h3{color:var(--blue);margin-bottom:9px;font-size:14px;font-weight:600}.share-fact-equation{color:var(--ink);letter-spacing:-.5px;font-variant-numeric:tabular-nums;margin-bottom:16px;font-size:clamp(22px,3vw,30px);font-weight:650;line-height:1.32}.share-fact-basis{color:var(--muted);white-space:pre-line;margin-bottom:18px;font-size:12px;line-height:1.65}.share-fact-basis:empty{display:none}.share-fact-preview>a{color:var(--blue);text-underline-offset:3px;font-size:13px;line-height:1.7;display:inline-block}.share-help{color:var(--muted);margin:12px 0;font-size:12px;line-height:1.65}.share-primary-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.share-primary-actions button{flex:auto;min-height:46px}#share-fact-status:empty{display:none}.share-disclosure{border-top:1px solid var(--line);margin-top:18px;padding:14px 0}.share-disclosure+.share-disclosure{margin-top:0}.share-disclosure summary{color:var(--ink);cursor:pointer;font-size:14px;font-weight:550;line-height:1.6}.share-disclosure[open] summary{margin-bottom:14px}.share-disclosure textarea{width:100%;min-width:0;color:var(--text);font:inherit;overflow-wrap:anywhere;resize:vertical;background:#f9fbfc;border:1px solid #c5d3dc;border-radius:6px;padding:13px;font-size:13px;line-height:1.6;display:block}.share-fact-context{color:var(--muted);overflow-wrap:anywhere;margin-top:15px;font-size:12px;line-height:1.7}.share-fact-context h4{color:var(--ink);margin:16px 0 6px;font-size:13px}.share-fact-context a{text-underline-offset:3px;margin-bottom:8px;display:block}.share-secondary-actions{flex-wrap:wrap;gap:4px 18px;margin-top:8px;display:flex}.share-secondary-actions button{font-size:13px}.share-community{border-top:1px solid var(--line);padding-top:8px}.share-community #open-publish{text-align:left;border:0;margin:0;font-size:13px}.share-community .share-help{margin-top:0}.suggestion-process{border-left:3px solid var(--gold);background:#f7fafb;padding:13px 15px}.suggestion-process strong{color:var(--ink);font-size:12px;line-height:1.7;display:block}.suggestion-process span{margin-top:5px;font-size:12px;line-height:1.6;display:block}.action-list{gap:8px;display:grid}.action-list button{border:1px solid var(--line);background:var(--white);text-align:left;border-radius:6px;min-height:48px;padding:13px 15px;font-size:14px}#open-publish{color:var(--blue);border-top:1px solid #b7cbd7;margin-top:8px}.publish-preview{overflow-wrap:anywhere;background:var(--pale);white-space:pre-line;border-radius:7px;max-height:35dvh;margin:18px 0;padding:16px;font-size:14px;line-height:1.8;overflow-y:auto}.consent{align-items:start;gap:10px;margin:18px 0;font-size:14px;line-height:1.7;display:flex}.consent input{width:19px;height:19px;accent-color:var(--ink);flex:none;margin-top:3px}#turnstile-container{max-width:100%;overflow:hidden}#publish-status{margin-top:12px;font-size:13px}.toast{z-index:30;background:var(--ink);width:max-content;max-width:calc(100% - 32px);color:var(--white);text-align:center;border-radius:8px;padding:13px 18px;font-size:14px;animation:.15s ease-out toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #173c5622}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,5px)}to{opacity:1;transform:translate(-50%)}}.print-output{display:none}.explore-intro{justify-content:space-between;align-items:center;gap:20px;display:flex}.explore-intro>button{flex:none}.browse-more,.picker-footer{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 20px;display:flex}.browse-more{margin:-12px 0 32px}.picker-footer{border-top:1px solid var(--line);background:#f9fbfc;flex:none;padding:10px 20px}.picker-footer button{font-size:13px}.suggestion-dialog{width:min(720px,100% - 40px);max-height:min(880px,100dvh - 40px);padding:0;overflow:hidden}.suggestion-dialog[open]{flex-direction:column;display:flex}.suggestion-dialog>.dialog-heading{border-bottom:1px solid var(--line);flex:none;margin:0;padding:22px 26px 18px}.suggestion-dialog form{flex-direction:column;min-height:0;display:flex}.suggestion-content{overscroll-behavior:contain;scrollbar-gutter:stable;flex:auto;min-height:0;padding:22px 26px;overflow-y:auto}.suggestion-content>div>p{color:var(--muted);font-size:14px;line-height:1.7}.suggestion-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-top:24px;display:grid}.suggestion-grid label{min-width:0;color:var(--ink);flex-direction:column;gap:7px;font-size:13px;font-weight:550;line-height:1.5;display:flex}.suggestion-grid input,.suggestion-grid select,.suggestion-grid textarea{background:var(--white);width:100%;min-width:0;min-height:46px;color:var(--ink);font:inherit;border:1px solid #bfcfd9;border-radius:6px;padding:11px 12px;font-size:15px;font-weight:400}.suggestion-grid textarea{resize:vertical;min-height:106px}.suggestion-grid small{color:var(--muted);font-size:12px;font-weight:400;line-height:1.6}.suggestion-grid .form-wide{grid-column:1/-1}.suggestion-range{grid-template-columns:1fr 1fr;gap:12px 18px;display:grid}.suggestion-range>p{grid-column:1/-1;margin:0}.suggestion-footer{border-top:1px solid var(--line);background:#f9fbfc;flex-wrap:wrap;flex:none;justify-content:flex-end;gap:12px;padding:16px 26px;display:flex}#suggestion-back{margin-right:auto}#suggestion-summary{overflow-wrap:anywhere;background:#f9fbfc;border:1px solid #c7d5de;border-radius:7px;margin:18px 0;padding:16px;font-size:14px;line-height:1.75}#suggestion-summary p:last-child{margin:0}#suggestion-turnstile{max-width:100%;overflow:hidden}#suggestion-status{color:var(--ink);margin:14px 0 0;font-size:13px;line-height:1.7}#suggestion-status:empty{margin:0}#suggestion-receipt{overflow-wrap:anywhere}@media (hover:hover) and (pointer:fine){.reference-select:hover,.picker-option:hover:not(:disabled){background:#f5f9fb;border-color:#7b9db1}.reference-details:hover,.result-label:hover strong,.reference-page-link:hover{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.add-button:hover:not(:disabled),.output-chip button:hover:not(:disabled),.action-list button:hover{background:var(--pale)}.category-filter button:hover{background:#eaf0f4}.examples button:hover,.collection-links a:hover strong{text-underline-offset:4px;text-decoration:underline}}@media (max-width:980px){.input-panel,.output-panel{padding:22px}.input-head,.input-row{grid-template-columns:minmax(76px,.48fr) minmax(0,1fr) 28px;gap:8px}.remove-input{width:28px;min-width:28px}.reference-select{padding-inline:9px}.result-label{flex-basis:115px}.result-row{gap:10px 14px}.reference-card{grid-template-columns:minmax(0,1fr) minmax(100px,.4fr) 175px;gap:18px}}@media (min-width:681px) and (max-width:820px){.workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.input-panel,.output-panel{padding:18px}.input-head,.input-row{grid-template-columns:78px minmax(0,1fr)}.remove-input{grid-area:2/1;justify-self:end;margin-top:-32px}.reference-choice{grid-column:2}.amount-field{padding-inline:9px;font-size:23px}.reference-select strong{font-size:13px}.result-value{font-size:28px}.mode-switch button{padding-inline:6px;font-size:12px}}@media (max-width:680px){.conversion-guide{margin-top:16px;padding:16px}.conversion-guide h2{font-size:16px}.conversion-guide p,.conversion-table{font-size:13px}h1{letter-spacing:-.8px;font-size:28px}.intro{align-items:start;gap:14px;padding:23px 0 20px}.intro p{font-size:13px}.catalogue-count{display:none}.workspace{border-radius:10px;grid-template-columns:1fr}.input-panel,.output-panel{padding:18px}.output-panel{border-left:0;border-top:1px solid var(--line);border-radius:0 0 10px 10px}.panel-heading{margin-bottom:12px}.mode-description{margin:9px 0 17px;font-size:12px}.input-head,.input-row{grid-template-columns:minmax(76px,.43fr) minmax(0,1fr) 28px;gap:8px}.input-head{font-size:12px}.input-row{padding-bottom:8px}.amount-field{height:60px;padding:10px;font-size:24px}.reference-select{min-height:60px;padding-inline:10px}.reference-select strong{font-size:14px}.reference-select small,.reference-details,#input-limit{font-size:12px}.results-shortcut{background:var(--pale);text-align:left;border:1px solid #b8cfdd;border-radius:6px;justify-content:space-between;align-items:center;gap:15px;width:100%;min-height:50px;margin-top:18px;padding:12px;font-size:12px;display:flex}.results-shortcut>span:first-child{overflow-wrap:anywhere;max-width:62%;font-weight:600}.results-shortcut>span:last-child{color:var(--blue);flex:none}.output-choices{gap:6px;margin-bottom:16px}.output-chip button{min-height:38px}.result-row{padding:13px 0}.result-label{flex-basis:120px}.result-value{font-size:31px}.result-value small{max-width:190px}.result-actions{padding-top:16px}.result-actions button{flex:1;padding-inline:12px}.result-note{font-size:12px}.examples{gap:0 18px;margin-top:16px}.examples>span{flex-basis:100%;margin-bottom:4px;font-size:12px}.examples button{font-size:12px}.method-note{margin-top:10px}.method-note summary,.method-note p{font-size:13px}.catalogue-notice{padding:15px;display:block}.catalogue-notice button{max-width:100%;margin-top:12px}.section-intro{padding:24px 0 21px}.section-intro p{font-size:14px}.explore-intro{flex-direction:column;align-items:flex-start;gap:14px}.explore-toolbar{grid-template-columns:1fr;gap:12px}.explore-toolbar .category-select{grid-template-columns:63px minmax(0,1fr);display:grid}.explore-controls{gap:12px;padding:16px 0}.category-filter button{padding-inline:10px;font-size:12px}#explore-count{flex-basis:100%;font-size:12px}.reference-card{grid-template-columns:minmax(0,1fr) 88px;align-items:start;gap:16px;padding:21px 0}.reference-card h2{font-size:16px}.reference-size{text-align:right;padding-top:23px;font-size:22px}.measurement-kind{font-size:11px}.card-actions{grid-column:1/-1;gap:5px 14px}.card-actions .secondary-button{width:auto}.card-actions .reference-page-link{font-size:12px}.collection-teaser{margin-top:24px;padding-top:20px}.collection-intro{margin-bottom:16px}.collection-intro p{font-size:13px}.collection-links{grid-template-columns:1fr;gap:0;margin-bottom:20px}.collection-links a{grid-template-columns:25px minmax(0,1fr);column-gap:12px;padding:16px 28px 16px 0;display:grid}.collection-links a>span:first-child{grid-row:1/3;padding-top:2px}.collection-links small{grid-column:2}.external-arrow{top:24px}dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:20px}.dialog-heading h2{font-size:20px}.share-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);padding:0}.share-heading{padding:16px}.share-heading .category-label{font-size:10px}.share-content{padding:18px 16px 12px}.share-selection select,.share-disclosure textarea{font-size:16px}.share-fact-preview{padding:18px}.share-fact-meta{margin-bottom:20px}.share-fact-equation{font-size:23px}.share-primary-actions button{font-size:13px}.picker-dialog{width:calc(100% - 20px);height:calc(100dvh - 20px);max-height:calc(100dvh - 20px);padding:0}.picker-header{padding:16px 16px 12px}.picker-header .dialog-heading{gap:8px;margin-bottom:12px}.picker-filters{gap:10px;margin-top:12px}.picker-filters .category-select{flex-basis:100%}.picker-filters select{height:42px}.picker-results{padding:16px}.picker-group-options{grid-template-columns:1fr}.picker-option{min-height:72px;padding:11px}.picker-footer{gap:4px 12px;padding:8px 12px}.suggestion-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);padding:0}.suggestion-dialog>.dialog-heading{padding:16px}.suggestion-content{padding:18px 16px}.suggestion-grid{grid-template-columns:minmax(0,1fr);gap:16px;margin-top:20px}.suggestion-grid input,.suggestion-grid select,.suggestion-grid textarea{font-size:16px}.suggestion-footer{padding:12px 16px}.reference-facts{grid-template-columns:100px minmax(0,1fr);gap:12px;font-size:13px}.empty-state{padding:30px 20px}.community-equation{font-size:16px}.community-meta{font-size:12px}.toast{font-size:13px;bottom:16px}}@media (max-width:360px){.input-panel,.output-panel{padding:16px 12px}.input-head,.input-row{grid-template-columns:72px minmax(0,1fr) 26px;gap:7px}.reference-select{padding-inline:8px}.reference-select small{font-size:11px}.result-value{font-size:28px}.result-actions{gap:8px}.result-actions button{gap:5px;font-size:12px}.category-filter button{padding-inline:8px}}@media (max-height:560px){.picker-header{padding:12px 16px 8px}.picker-header .dialog-heading{margin-bottom:8px}.picker-filters{margin-top:8px}.picker-filters .category-filter{display:none}.picker-filters .category-select{flex-basis:100%}.picker-results{padding-block:12px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}dialog::backdrop{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{body{color:#111;background:#fff}.site-header,main,.site-footer,dialog,.toast,.skip-link,.collection-teaser{display:none!important}.print-output{max-width:180mm;margin:15mm auto;font-family:system-ui,sans-serif;display:block}.print-output h1{color:#111;font-size:24px}.print-output h2{color:#111;margin:18px 0 8px;font-size:17px}.print-output p,.print-output li{overflow-wrap:anywhere;font-size:11px;line-height:1.6}.print-output table{border-collapse:collapse;width:100%;font-size:11px}.print-output th,.print-output td{text-align:left;overflow-wrap:anywhere;border:1px solid #aaa;padding:6px}.print-output a{color:#111}.print-citation{overflow-wrap:anywhere;font-size:10px}.print-citation a{text-decoration:none}}
