:root{--bg-color: #121212;--text-color: #ffffff;--accent-color: #1db954;--accent-hover: #1ed760;--error-color: #e91429;--surface-color: #282828;--border-color: #404040;--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);min-height:100vh;display:flex;justify-content:center;overflow-x:hidden}#root{width:100%;max-width:600px;padding:1rem;display:flex;flex-direction:column;align-items:center}button{font-family:inherit;cursor:pointer;border:none;outline:none}input{font-family:inherit;outline:none}