:root{--bg-color: #000000;--text-primary: #ffffff;--text-secondary: #888888;--accent-color: #333333;--border-color: #222222;--selection-border: #ffffff}body{background-color:var(--bg-color);color:var(--text-primary)}.flex-center{display:flex;align-items:center;justify-content:center}.full-screen{width:100vw;height:100vh}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}button:focus{outline:none}input,textarea{background:transparent;border:none;color:inherit;font-family:inherit;outline:none}