:root{--bg: #07111f;--bg-soft: #0d1728;--card: rgba(17, 24, 39, .78);--card-strong: #111827;--border: rgba(148, 163, 184, .18);--text: #f8fafc;--muted: #a8b3c7;--primary: #38bdf8;--success: #22c55e;--warning: #f59e0b;--danger: #fb7185;--radius: 22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Roboto,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(56,189,248,.16),transparent 34%),radial-gradient(circle at top right,rgba(34,197,94,.11),transparent 28%),linear-gradient(135deg,#07111f,#08111d 55%,#06131a)}button,a{font:inherit}