/* Základní nastavení */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #121212;
    color: white;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.profile-card, .thread-box, .comment-box, .user-card {
    background-color: #1f1f1f;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.avatar-large, .avatar-small {
    border-radius: 50%;
    object-fit: cover;
}

.avatar-large {
    width: 100px;
    height: 100px;
}

.avatar-small {
    width: 32px;
    height: 32px;
}

a {
    color: #4ea8ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button, input[type="submit"] {
    background-color: #4ea8ff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover, input[type="submit"]:hover {
    background-color: #3a7bdd;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    background: #2a2a3b;
    color: white;
    border: none;
}

textarea {
    resize: vertical;
}

/* Responsivita */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .avatar-large {
        width: 80px;
        height: 80px;
    }

    .profile-card, .thread-box, .comment-box, .user-card {
        padding: 15px;
    }

    h2, h3 {
        font-size: 18px;
    }

    button, input[type="submit"] {
        width: 100%;
        box-sizing: border-box;
    }
}