body{background:#0f172a;color:#fff;font-family:sans-serif}
.sidebar{width:200px;position:fixed;height:100%;background:#020617;padding:20px}
.content{margin-left:220px;padding:20px}
.card{background:#1e293b;padding:20px;border-radius:10px}
.login-box{width:300px;margin:100px auto;background:#1e293b;padding:20px}
input,button{display:block;width:100%;margin:10px 0;padding:10px}
button{background:#7c3aed;color:#fff;border:none}