:root{--background:#f5f7fa;--foreground:#162031;--card:#fff;--card-foreground:#162031;--popover:#fff;--popover-foreground:#162031;--primary:#174be5;--primary-foreground:#fff;--secondary:#e9eefb;--secondary-foreground:#162031;--muted:#edf1f6;--muted-foreground:#526176;--accent:#dce5ff;--accent-foreground:#174be5;--destructive:#b42318;--border:#d6deea;--input:#bbc7d8;--ring:#174be5;--radius:.6rem;--font-geist-sans:Arial, Helvetica, sans-serif;--font-geist-mono:monospace}*{box-sizing:border-box}body{background:var(--background);color:var(--foreground);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--primary)}button,input,select{font:inherit}:focus-visible{outline-offset:4px;outline:3px solid #174be5}.shell{max-width:1160px;margin:auto;padding:0 28px}.language-strip{background:var(--foreground);color:#fff}.language-strip-inner{justify-content:flex-end;align-items:center;gap:13px;min-height:36px;font-size:14px;display:flex}.language-strip-inner>span{color:#aeb9c9}.language-strip-inner strong{color:#fff}.language-strip-inner a{color:#a9c0ff;border-bottom:1px solid #0000;font-weight:700;text-decoration:none}.language-strip-inner a:hover{color:#fff;border-bottom-color:currentColor}header{border-bottom:1px solid var(--border);background:#fff}.header{justify-content:space-between;align-items:center;gap:32px;min-height:86px;display:flex}.brand{letter-spacing:-1px;font-size:24px;font-weight:800;text-decoration:none}.brand span{color:#174be5}nav{flex-wrap:wrap;gap:25px;font-size:14px;font-weight:600;display:flex}nav a{text-decoration:none}main{padding:42px 0 70px}.eyebrow{letter-spacing:1.5px;text-transform:uppercase;color:#53627a;margin:0 0 8px;font-family:monospace;font-size:13px}h1{letter-spacing:-1.8px;margin:0 0 14px;font-size:clamp(30px,4vw,44px);line-height:1.12}h2{letter-spacing:-.7px;font-size:26px;line-height:1.25}h3{font-size:18px}.intro{color:#53627a;max-width:670px;margin:0 0 28px}.workspace{border:1px solid var(--border);background:#fff;border-radius:12px;grid-template-columns:1.1fr 1fr;display:grid;overflow:hidden}.controls{padding:32px}.control-title{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.control-title h2{margin:0;font-size:20px}.number{color:#65748c;font-family:monospace;font-size:14px}.fields{grid-template-columns:1fr 1fr;gap:22px;display:grid}.field{font-size:14px;font-weight:600;display:block}.field input{width:100%;min-width:0;height:52px;color:var(--foreground);border:1px solid var(--input);font-variant-numeric:tabular-nums;background:#fff;border-radius:6px;margin-top:8px;padding:10px 14px;font-size:20px;display:block}.field select{width:100%;height:52px;color:var(--foreground);border:1px solid var(--input);background:#fff;border-radius:6px;margin:8px 0 22px;padding:10px 14px;display:block}.field select:hover{border-color:#8090a8}.field select:focus-visible{border-color:var(--primary)}.field input:hover{border-color:#8090a8}.field input:focus-visible{border-color:var(--primary)}.wide{grid-column:1/-1}.canvas-fields{margin-top:0}.size-presets{border:0;margin:0 0 22px;padding:0}.size-presets legend{margin-bottom:8px;font-size:14px;font-weight:600}.size-presets div{flex-wrap:wrap;gap:8px;display:flex}.size-presets button{color:var(--secondary-foreground);background:var(--secondary);border:1px solid var(--input);cursor:pointer;border-radius:999px;padding:7px 11px}.size-presets button:hover{color:var(--primary);border-color:var(--primary)}.ppi-presets{margin-top:18px;margin-bottom:0}.ppi-presets button[aria-pressed=true]{color:#fff;background:var(--primary);border-color:var(--primary)}.note{color:#647188;margin-top:18px;font-size:14px;display:block}.image-picker{margin-top:22px;font-size:14px;font-weight:600;display:block}.image-picker input{width:100%;color:var(--foreground);border:1px dashed var(--input);background:#f7f9fc;border-radius:6px;margin-top:8px;padding:11px;display:block}.image-picker input::file-selector-button{color:#fff;background:var(--primary);cursor:pointer;border:0;border-radius:4px;margin-right:12px;padding:8px 12px}.image-picker input:focus-visible{border-color:var(--primary);outline:2px solid color-mix(in srgb, var(--primary) 30%, transparent);outline-offset:2px}.note-error{color:#a32920}.result{color:#fff;background:#172745;flex-direction:column;justify-content:space-between;min-height:340px;padding:32px;display:flex}.result .eyebrow{color:#a9bee8}.result-number{letter-spacing:-1.5px;overflow-wrap:anywhere;margin:14px 0;font-size:clamp(32px,4vw,50px);font-weight:700;line-height:1.2}.result-unit{color:#bbcef3;font-size:16px}.result-rule{border-top:1px solid #485875;margin-top:24px;padding-top:18px}.result-rule p{color:#d2def3;margin:2px 0;font-size:14px}.result-comparison{border-top:1px solid #ffffff2e;margin-top:24px;padding-top:20px}.result-comparison>p{color:#a9bee8;letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}.result-comparison>div{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.result-comparison span{font-variant-numeric:tabular-nums;border:1px solid #ffffff24;border-radius:6px;gap:3px;padding:9px;font-size:13px;display:grid}.result-comparison strong{color:#a9bee8;font-size:11px}.grid{grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0 50px;display:grid}.tool-card{border:1px solid var(--border);background:#fff;border-radius:9px;padding:24px;text-decoration:none;display:block}.tool-card:hover{border-color:#174be5}.tool-card h3{margin:12px 0 6px}.tool-card p{color:#59687c;margin:0;font-size:14px}.tool-card .arrow{color:#174be5;font-size:24px}.article{max-width:760px}.article p,.article li{color:#46556b}.article h2{margin-top:36px}.article h3{margin-top:26px}.two-col{grid-template-columns:1.6fr 1fr;gap:65px;display:grid}.tip{background:#e9efff;border-left:3px solid #174be5;align-self:start;margin-top:30px;padding:26px}.tip h3{margin-top:0}footer{border-top:1px solid var(--border);color:#53627a;padding:28px 0;font-size:14px}.footer{flex-wrap:wrap;justify-content:space-between;gap:20px;display:flex}.footer div{gap:20px;display:flex}.error{color:#ffc6bf}.skip{position:absolute;left:-9999px}.skip:focus{z-index:9;background:#fff;padding:12px;top:10px;left:20px}.unit-group{gap:24px;margin-top:22px;display:flex!important}.unit-group label{align-items:center;gap:8px;font-size:14px;display:flex}.crumb{color:#53627a;margin-bottom:24px;font-size:14px}.article-meta{color:var(--muted);margin:-18px 0 34px;font-size:.88rem}.article-meta a{color:inherit;-webkit-text-decoration-color:var(--rule);text-decoration-color:var(--rule);text-underline-offset:3px}.ad-slot{border-top:1px solid var(--border);max-width:760px;min-height:120px;margin:44px 0 8px;padding-top:12px}.ad-slot>span{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;font-size:12px;display:block}table{border-collapse:collapse;width:100%;font-size:16px}td,th{text-align:left;border-bottom:1px solid var(--border);padding:12px}.table-wrap{overflow:auto}.guide-list{gap:18px;display:grid}.guide-list a{border-bottom:1px solid var(--border);padding:20px 0;text-decoration:none}.guide-list h2{margin:0 0 8px}@media (max-width:720px){.shell{padding:0 18px}.language-strip-inner{min-height:36px}.header{flex-direction:column;align-items:flex-start;gap:12px;padding-top:20px;padding-bottom:18px}nav{gap:18px}main{padding-top:28px}.workspace,.two-col{grid-template-columns:1fr;gap:0}.controls,.result{padding:24px}.grid{grid-template-columns:1fr}.result{min-height:270px}.fields{gap:16px}}