:root {
    --primary-color: #666;
    --bg-color: #222;
    --card-bg: #222;
    --text-color: #ddd;
    --text-muted: #bbb;
    --border-radius: 8px;
}

body { 
    font-family: sans-serif; 
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center; 
    padding: 2rem; 
    margin: 0;
}
.container { 
    width: 100%; 
    max-width: 600px;
    padding: 20px; border-radius: 8px; shadow: 0 2px 5px rgba(0,0,0,0.1); 
}
form { 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
    margin-bottom: 20px; 
}
input, textarea { 
    padding: 10px; 
    border: 1px solid #ddd; 
    border-radius: 4px; 
}
button { 
    padding: 10px; 
    background: #555; 
    color: white; 
    border: none;
    cursor: pointer; 
    border-radius: 4px; 
}
.comment-card { 
    border-bottom: 1px solid #eee; 
    padding: 10px 0; 
}
.comment-header { 
    font-size: 0.85rem; 
    color: #333; 
    margin-bottom: 5px; 
}
.comment-header strong { 
    color: #333; 
}