/* GENERAL LAYOUT */
body {
    background-color: #202020;
    color: #f0f0f0;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* HEADER */
header {
    background-color: #111;
    padding: 1rem;
    text-align: center;
}

header h1 {
    color: rgb(222, 78, 78);
    margin-bottom: 0.5rem;
}

/* NAVIGATION */
#nav-container {
    background-color: #000;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 999;
}

#nav-container a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

#nav-container a:hover {
    color: rgb(222, 78, 78);
}

/* MAIN CONTENT AREA */
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: #2b2b2b;
    border-radius: 8px;
}

/* TOPICS LIST */
ul {
    list-style: none;
    padding: 0;
}

ul li {
    background: #333;
    margin-bottom: 0.5rem;
    padding: 0.8rem;
    border-radius: 5px;
    transition: background 0.3s ease;
}

ul li:hover {
    background: #3d3d3d;
}

ul li a {
    color: rgb(222, 78, 78);
    text-decoration: none;
    font-weight: bold;
}

ul li span {
    display: block;
    color: #aaa;
    margin-top: 0.3rem;
    font-size: 0.9rem;
}

/* FORMS */
form textarea, form input, form button {
    width: 100%;
    margin-bottom: 1rem;
    padding: 0.7rem;
    border-radius: 5px;
    border: none;
    background: #3c3c3c;
    color: #f0f0f0;
}

form input::placeholder, form textarea::placeholder {
    color: #aaa;
}

form button {
    background-color: rgb(222, 78, 78);
    font-weight: bold;
    cursor: pointer;
}

form button:hover {
    background-color: #b73838;
}

/* HEADINGS */
h2, h3, h4 {
    color: rgb(222, 78, 78);
    margin-bottom: 1rem;
}

/* REPLIES (inside view_topic.php) */
.reply {
    background: #333;
    padding: 0.8rem;
    border-radius: 5px;
    margin-bottom: 0.7rem;
}

.reply strong {
    color: rgb(222, 78, 78);
}

hr {
    border: 1px solid #444;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    #nav-container {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }

    main {
        padding: 1rem;
        margin: 1rem;
    }

    ul li {
        padding: 0.6rem;
    }
}