:root{color-scheme:dark;--bg: #0b1020;--bg-elev: #131a33;--bg-elev-2: #1a2347;--border: #243056;--text: #e2e8f0;--text-dim: #94a3b8;--accent: #22d3ee;--accent-hover: #06b6d4;--danger: #f87171;--success: #34d399}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,PingFang SC,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{background:radial-gradient(1200px 600px at 50% -10%,rgba(34,211,238,.08),transparent 60%),var(--bg)}button{font-family:inherit}img{display:block;max-width:100%}