body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

.background-pattern {
    background-color: #0a9b4c;
    background-image: radial-gradient(#b2d8c2 1px, transparent 1px), 
                      radial-gradient(#b2d8c2 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background-color: white;
    padding: 30px 25px;
    border-radius: 10px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.title {
    font-size: 18px;
    font-weight: bold;
    margin: 0;
}

.subtitle {
    font-size: 14px;
    margin-bottom: 20px;
    color: #333;
}

label {
    display: block;
    text-align: left;
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 5px;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.btn-login {
    background-color: #0a9b4c;
    color: white;
    border: none;
    padding: 10px;
    width: 100%;
    margin-top: 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
}

.footer {
    margin-top: 25px;
    font-size: 12px;
    color: #666;
}

.alert {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}