html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f9f9f9, #dd5c5c);
    color: #2e4d3b;
    overflow-x: hidden;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 100vh; 
    box-sizing: border-box;
}


.login-container {
    box-shadow: 0 8px 30px rgba(46, 77, 59, 0.1);
    border-radius: 15px;
}


.animation-wrapper {
    background-color: #e6f2e8; 
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(46, 77, 59, 0.1);
    padding: 20px;
}


#captchaCode {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
    color: #030303;
    letter-spacing: 6px;
}


#refreshCaptcha:hover {
    background-color: #3b6b41;
    color: white;
}

.alert {
    margin-top: 1rem;
}

form input::placeholder {
    color: #a3cfbb;
    opacity: 1; 
    padding-left: 0.25rem;
}


.btn-success:hover {
    background-color: #2e4d3b;
    border-color: #2e4d3b;
}


@media (max-width: 576px) {
    .login-form form {
        max-width: 100% !important;
    }
}