:root{--app-bg: radial-gradient(circle at top left, #0f172a, #020617 55%)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--app-bg);color:#e5e7eb}app-root{min-height:100vh;display:flex;flex-direction:column}.main-layout{flex:1;display:flex;justify-content:center;align-items:stretch;padding:1rem 1.5rem}.main-shell{width:100%;max-width:1280px;background:#0f172aeb;border-radius:18px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 24px 60px #0009;overflow:hidden}@media (max-width: 768px){.main-layout{padding:.5rem}.main-shell{border-radius:.75rem}}