:root {
    --primary-color: #007bff;
    --dark-bg: #333;
    --darker-bg: #222;
    --text-color: #fff;
    --alert-danger-bg: #f8d7da;
    --alert-danger-text: #721c24;
}

/* Reset default margin dan padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: Arial, sans-serif;
}

.login-container {
    background: var(--darker-bg);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-container h1 {
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--text-color);
}

input[type="text"],
input[type="password"] {
    display: block;
    width: 100%;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--dark-bg);
    color: var(--text-color);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: var(--text-color); /* Placeholder putih */
    opacity: 0.7; /* Sesuaikan kecerahan */
}

input:focus {
    border-color: #0056b3;
    outline: none;
}

button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-color);
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

/* Alert styling */
.alert {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.alert-danger {
    background-color: var(--alert-danger-bg);
    color: var(--alert-danger-text);
    border: 1px solid #f5c6cb;
}

/* Footer styling */
footer {
    background-color: var(--dark-bg);
    color: var(--text-color);
    padding: 1.5rem 0;
    text-align: center;
    width: 100%;
    margin-top: auto; /* Dorong ke bawah */
}

.footer-images {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 0.5rem;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
    }

    .login-container h1 {
        font-size: 1.25rem;
    }

    input, button {
        font-size: 0.875rem;
        padding: 0.5rem;
    }

    footer {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 0.75rem;
    }

    .login-container h1 {
        font-size: 18px;
    }

    .footer-img {
        width: 70px;
        height: 70px;
    }

    footer {
        font-size: 12px;
    }

    input {
        font-size: 12px;
        padding: 6px;
    }

    button {
        font-size: 12px;
        padding: 6px;
    }

    .footer-links {
        margin-bottom: 10px;
    }

    .footer-links a {
        margin: 0 10px;
    }
}