:root{--bg:#0b0e14;--surface:#141925;--border:#232a3a;--text:#e7ecf5;--text-dim:#9aa6bd;--accent:#5b8cff;--warn:#f4b740;--font:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(1200px 600px at 50% -10%, #5b8cff24, transparent 60%), var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}.shell{flex-direction:column;justify-content:center;align-items:center;gap:28px;min-height:100%;padding:32px;display:flex}.card{background:linear-gradient(180deg, #ffffff08, transparent), var(--surface);border:1px solid var(--border);text-align:center;border-radius:18px;width:100%;max-width:440px;padding:40px 36px;box-shadow:inset 0 1px #ffffff0a,0 24px 60px -24px #000000b3}.glyph{color:var(--accent);margin-bottom:18px;font-size:44px;line-height:1}[data-tone=warn] .glyph{color:var(--warn)}[data-tone=muted] .glyph{color:var(--text-dim)}h1{letter-spacing:-.01em;margin:0 0 12px;font-size:22px;font-weight:700}p{color:var(--text-dim);margin:0 0 28px;font-size:15px;line-height:1.6}.brand{letter-spacing:-.02em;opacity:.85;align-items:center;gap:2px;font-size:15px;font-weight:800;display:inline-flex}.brand-mark{background:var(--accent);color:#0b0e14;border-radius:6px;padding:2px 6px}.brand-text{color:var(--text)}footer{font-family:var(--mono);color:var(--text-dim);opacity:.7;letter-spacing:.02em;font-size:12px}