/* General page styling */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f0f7;
    color: #333;
    margin: 0;
    padding: 20px;
}

/* Navigation bar */
.nav-links {
    background-color: #6b4c7a;
    padding: 15px;
    text-align: center;
    border-radius: 8px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    display: inline-block;
}

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

/* Headings */
h1 {
    color: #6b4c7a;
    text-align: center;
    margin-top: 30px;
}

h2 {
    color: #6b4c7a;
}

/* Paragraphs */
p {
    text-align: center;
    line-height: 1.6;
}

/* Forms */
form {
    max-width: 500px;
    margin: 20px auto;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-sizing: border-box;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

input,
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

textarea {
    height: 120px;
    resize: vertical;
}

/* Buttons */
button {
    background-color: #6b4c7a;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 15px;
}

button:hover {
    background-color: #513960;
}

/* Guestbook */
#guestbook-list {
    max-width: 600px;
    margin: 20px auto;
    padding: 0;
}

#guestbook-list li {
    list-style: none;
    background-color: white;
    margin-bottom: 10px;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #6b4c7a;
}

/* Logout button */
#logout-button {
    display: block;
    margin: 20px auto;
}

/* Space Picture of the Day */
#space-form {
    max-width: 500px;
    text-align: center;
}

#space-form input[type="date"] {
    display: block;
    width: 100%;
}

#space-form button {
    margin-top: 5px;
}

#status {
    max-width: 600px;
    margin: 20px auto;
    color: #513960;
    font-weight: bold;
}

/* NASA picture results */
#result {
    max-width: 900px;
    margin: 30px auto;
    padding: 25px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Respect the hidden attribute until a picture is loaded */
#result[hidden] {
    display: none;
}

#result h2 {
    text-align: center;
    margin-bottom: 10px;
}

#date-shown {
    color: #6b4c7a;
    font-weight: bold;
}

#picture {
    display: block;
    max-width: 100%;
    max-height: 650px;
    height: auto;
    margin: 20px auto;
    border-radius: 10px;
    object-fit: contain;
}

#description {
    text-align: left;
    line-height: 1.8;
    margin: 20px 0;
    overflow-wrap: anywhere;
}

#nasa-link {
    display: block;
    width: fit-content;
    max-width: 100%;
    margin: 20px auto 5px;
    padding: 12px 18px;
    background-color: #6b4c7a;
    color: white;
    text-decoration: none;
    text-align: center;
    border-radius: 5px;
    box-sizing: border-box;
}

#nasa-link:hover {
    background-color: #513960;
    text-decoration: underline;
}

/* Mobile-friendly layout */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .nav-links {
        padding: 12px 8px;
    }

    .nav-links a {
        margin: 6px 8px;
    }

    h1 {
        font-size: 25px;
    }

    form {
        padding: 15px;
    }

    #result {
        padding: 15px;
    }

    #picture {
        max-height: 450px;
    }
}