*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family: 'Segoe UI', sans-serif;
}

body{
  background: linear-gradient(135deg,#4e73df,#1cc88a);
  display:flex;
  justify-content:center;
  align-items:center;
  height:100vh;
}

.container{
  width:95%;
  max-width:400px;
  background:#fff;
  padding:25px;
  border-radius:20px;
  box-shadow:0 10px 30px rgba(0,0,0,0.2);
}

h2{
  text-align:center;
  margin-bottom:20px;
  color:#333;
}

.input-group{
  margin-bottom:15px;
}

input{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid #ddd;
  font-size:14px;
}

input:focus{
  border-color:#4e73df;
  outline:none;
}

button{
  width:100%;
  padding:12px;
  border:none;
  border-radius:10px;
  background:#4e73df;
  color:#fff;
  font-size:16px;
  font-weight:bold;
  cursor:pointer;
  transition:0.3s;
}

button:hover{
  background:#2e59d9;
}

.switch{
  text-align:center;
  margin-top:15px;
  font-size:14px;
}

.switch a{
  color:#1cc88a;
  text-decoration:none;
  font-weight:bold;
}

.error{
  background:#f8d7da;
  padding:8px;
  border-radius:8px;
  color:#721c24;
  margin-bottom:10px;
  font-size:13px;
}

.success{
  background:#d4edda;
  padding:8px;
  border-radius:8px;
  color:#155724;
  margin-bottom:10px;
  font-size:13px;
}