:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#10213a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--text:#10213a;--muted:#5b6b83;--muted-strong:#314158;--border:#6e81a238;--panel:#ffffffe0;--surface-soft:#f4f7fcf5;--accent-soft:#1862ff1a;--accent-strong:#1862ff;--shadow:0 18px 50px #111e3e14;background:radial-gradient(circle at top,#1862ff17,#0000 36%),linear-gradient(#f6f8fc 0%,#eef3fb 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0}body,button,input{font:inherit}a{color:inherit}button{-webkit-tap-highlight-color:transparent}#root{min-height:100vh}.app-shell{max-width:1180px;margin:0 auto;padding:48px 24px 72px}.hero-card,.panel{border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow)}.hero-card{background:radial-gradient(circle at top left, #567aff2e, transparent 32%), radial-gradient(circle at right, #26d3ac1f, transparent 28%), var(--panel);border-radius:28px;grid-template-columns:1.4fr 1fr;gap:28px;margin-bottom:24px;padding:32px;display:grid}.eyebrow{background:var(--accent-soft);color:var(--accent-strong);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:.35rem .75rem;font-size:.82rem;font-weight:700;display:inline-flex}.hero-card h1{letter-spacing:-.04em;margin:16px 0 14px;font-size:clamp(2.1rem,4vw,3.7rem);line-height:1.02}.hero-copy{max-width:48rem;color:var(--muted);font-size:1.02rem}.hero-actions{flex-direction:column;justify-content:space-between;gap:20px;display:flex}.unit-toggle{background:var(--surface-soft);border-radius:18px;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:6px;display:inline-grid}.unit-toggle button,.ghost-button,.copy-button{cursor:pointer;font:inherit;border:none;transition:transform .16s,background .16s,color .16s,box-shadow .16s}.unit-toggle button{color:var(--muted);background:0 0;border-radius:14px;padding:12px 18px;font-weight:600}.unit-toggle button.active{background:var(--accent-strong);color:#fff;box-shadow:0 10px 28px #1862ff3d}.preset-row{flex-wrap:wrap;gap:10px;display:flex}.ghost-button,.copy-button{background:var(--surface-soft);color:var(--text);border-radius:14px;padding:11px 14px;font-weight:600}.preset-chip{min-width:188px;color:var(--text);background:linear-gradient(#567aff1f,#567aff0a);border:1px solid #567aff2e;border-radius:18px;flex-direction:column;align-items:flex-start;gap:6px;padding:14px 16px;display:flex;box-shadow:inset 0 1px #ffffff0a}.preset-chip strong{font-size:.98rem}.preset-chip span{color:var(--muted);text-align:left;font-size:.88rem;line-height:1.35}.ghost-button:hover,.preset-chip:hover,.copy-button:hover,.unit-toggle button:hover{transform:translateY(-1px)}.workspace-grid,.bottom-grid{gap:24px;display:grid}.workspace-grid{grid-template-columns:.96fr 1.04fr;margin-bottom:24px}.bottom-grid{grid-template-columns:1.2fr .8fr}.panel{border-radius:24px;padding:24px}.panel-header{margin-bottom:18px}.inline-header{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.panel-header h2{margin:0 0 6px;font-size:1.2rem}.panel-header p{color:var(--muted);margin:0}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.field-grid label{flex-direction:column;gap:8px;display:flex}.field-span-2{grid-column:span 2}label span{font-weight:600}input{box-sizing:border-box;border:1px solid var(--border);background:var(--surface-soft);width:100%;color:var(--text);font:inherit;border-radius:14px;padding:13px 14px}input:focus{border-color:var(--accent-strong);outline:2px solid #1862ff38}.metric-hint{background:var(--accent-soft);color:var(--muted-strong);border-radius:16px;margin-top:18px;padding:14px 16px;font-size:.95rem}.result-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.result-grid article{background:var(--surface-soft);border:1px solid var(--border);border-radius:18px;padding:18px}.result-grid span,.result-grid small{display:block}.result-grid span{color:var(--muted);margin-bottom:8px}.result-grid strong{margin-bottom:8px;font-size:1.45rem;line-height:1.1;display:block}.result-grid small{color:var(--muted)}.summary-panel pre{border:1px solid var(--border);color:#e2e8f0;white-space:pre-wrap;word-break:break-word;background:#0f172a;border-radius:18px;margin:0;padding:18px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;line-height:1.5}.notes-panel ul{color:var(--muted-strong);margin:0;padding-left:1.2rem}.notes-panel li+li{margin-top:10px}@media (width<=960px){.hero-card,.workspace-grid,.bottom-grid{grid-template-columns:1fr}.inline-header{flex-direction:column}}@media (width<=640px){.app-shell{padding:20px 14px 44px}.hero-card,.panel{border-radius:20px;padding:18px}.field-grid,.result-grid{grid-template-columns:1fr}.field-span-2{grid-column:span 1}}