:root{--text:#4b5563;--text-h:#111827;--bg:#f8fafc;--border:#dbe1ea;--card-bg:#fff;--panel-bg:#f8fafc;--code-bg:#eef2ff;--accent:#4338ca;--accent-bg:#4338ca1a;--shadow:#0f172a14 0 24px 50px -24px, #0f172a14 0 12px 24px -18px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/1.5 var(--sans);letter-spacing:.18px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-width:320px;min-height:100vh;margin:0}#root{min-height:100vh}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:0 0 16px;font-size:3rem}h2{letter-spacing:-.02em;margin:0 0 12px;font-size:1.25rem;line-height:1.2}p{margin:0}code{font-family:var(--mono);color:var(--text-h);background:var(--code-bg);border-radius:4px;padding:4px 8px;font-size:15px;line-height:135%;display:inline-flex}@media (width<=640px){:root{font-size:16px}h1{font-size:2.25rem}}.page-shell{box-sizing:border-box;justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.hero-card{border:1px solid var(--border);background:var(--card-bg);width:min(680px,100%);box-shadow:var(--shadow);text-align:center;box-sizing:border-box;border-radius:16px;padding:28px 24px}.eyebrow{background:var(--accent-bg);color:var(--accent);text-transform:uppercase;letter-spacing:.08em;border-radius:999px;margin-bottom:12px;padding:4px 10px;font-size:14px;font-weight:600;display:inline-block}.intro{max-width:56ch;margin:0 auto}.section{border-top:1px solid var(--border);text-align:left;margin-top:16px;padding-top:16px}.section:first-of-type{margin-top:16px}.section h3{color:var(--text);text-transform:uppercase;letter-spacing:.05em;margin:0 0 4px;font-size:13px;font-weight:600}.section p{margin:0;font-size:14px}.section p+p{margin-top:8px}.section code{justify-content:flex-start;width:auto}.status-ok{color:#15803d;font-weight:600}.status-error{color:#b91c1c;font-weight:600}@media (width<=640px){.hero-card{padding:20px 16px}.page-shell{padding:12px}}