:root{color-scheme:dark;font-family:Segoe UI,SF Pro Text,-apple-system,BlinkMacSystemFont,sans-serif;background:#090d16;color:#f4f7ff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 500px at 10% -10%,rgba(80,120,255,.2),transparent 60%),radial-gradient(1000px 600px at 100% 0%,rgba(40,85,180,.18),transparent 50%),#090d16}#root{min-height:100vh}h1,h2,h3,h4,p{margin:0}.saas-shell{width:min(1200px,100% - 32px);margin:0 auto;min-height:100vh;padding:20px 0 32px}input,textarea,button{font-family:inherit;font-size:14px}input,textarea{padding:8px 12px;background:#1f2937;border:1px solid #374151;border-radius:6px;color:#f4f7ff;outline:none}input:focus,textarea:focus{border-color:#3b82f6}button{padding:8px 16px;background:#3b82f6;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:500}button:hover{background:#2563eb}button:disabled{opacity:.5;cursor:not-allowed}