:root{--color-bg: #0a1628;--color-surface: #111d32;--color-border: #1e2d45;--color-text: #ffffff;--color-text-secondary: #8892a4;--color-accent: #00b67a;--color-accent-hover: #00a06b;--color-error: #ef4444}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}a{color:var(--color-accent);text-decoration:none}button{cursor:pointer;border:none;font:inherit}