body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #E679F2, #FFE8DE);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: white;
    padding: 40px;
    width: 350px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    text-align: center;
}

.login-box h2 {
    margin-bottom: 20px;
    font-size: 24px;
}

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-bottom: 2px solid #ccc;
    outline: none;
    font-size: 14px;
    background: transparent;
}

.login-box input[type="text"]:focus,
.login-box input[type="password"]:focus {
    border-bottom: 2px solid #2575fc;
}

.login-box a {
    display: block;
    text-align: right;
    font-size: 12px;
    margin-bottom: 20px;
    text-decoration: none;
    color: #2575fc;
}

.login-box button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 25px;
    background: #2575fc;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

.login-box button:hover {
    background: #6a11cb;
}

.signup-link {
    margin-top: 20px;
    font-size: 14px;
}

.signup-link a {
    color: #2575fc;
    text-decoration: none;
}

.messages {
    color: red;
    font-size: 13px;
    margin-bottom: 10px;
}