body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #e9f0ff, #f7f7f7);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: #fff;
    padding: 30px;
    width: 350px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
}

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

.input-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
    box-sizing: border-box;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 12px;
    background: #1e88e5;
    color: #fff;
    text-align: center;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    background: #1565c0;
}

.alert {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.error {
    background: #ffe0e0;
    color: #b00020;
}

.info {
    background: #eef5ff;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.show-pass {
    margin-bottom: 15px;
    font-size: 14px;
}