:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f1f5f9;--color-primary: #6366f1;--color-primary-hover: #818cf8}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;background:var(--color-bg);color:var(--color-text);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit}