body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #84fab0, #8fd3f4);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 350px;
}

.auth-container h2 {
    color: #333;
}

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

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

.input-group i {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #999;
}

button {
    width: 100%;
    padding: 10px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: 0.3s;
}

button:hover {
    background: #218838;
}

.alert {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px;
    border-radius: 5px;
    font-size: 16px;
    color: white;
    animation: fadeInOut 3s forwards;
}

.alert.success {
    background: #28a745;
}

.alert.error {
    background: #dc3545;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-20px); }
    10% { opacity: 1; transform: translateY(0); }
    90% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-20px); }
}