:root {
    --background-color: #11191f; 
    --text-color: #bbc6ce;       
    --h-color: #edf0f3;          
    --primary: #1e88e5;          
    --secondary-bg: #1f2d3d;     
    --border-color: #2b3b4d;    
}

body {
    background-color: var(--background-color) !important;
    color: var(--text-color) !important;
}

main.container {
    padding-top: 20px;
    padding-bottom: 40px;
    max-width: 800px;
}

header {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
    padding-bottom: 20px;
}

header h1 {
    color: var(--h-color);
    font-weight: 700;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    text-decoration: underline;
    color: #64b5f6; 
}

.back-link {
    font-size: 0.9em;
    margin-bottom: 15px;
    display: inline-block;
}

h2, h3, h4 {
    color: var(--h-color);
    margin-top: 35px;
    border-left: 4px solid var(--primary); 
    padding-left: 15px;
}

figure table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
    border: 1px solid var(--border-color);
}

th {
    background-color: var(--secondary-bg);
    color: #fff;
    border-bottom: 2px solid var(--border-color);
}

td {
    border-bottom: 1px solid var(--border-color);
}

details {
    background-color: var(--secondary-bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid #374b63;
}

summary {
    color: #ffca28;
    font-weight: bold;
    cursor: pointer;
}

summary:hover {
    color: #ffd54f;
}

pre[class*="language-"] {
    background: #0d1117 !important; 
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 15px;
    box-shadow: none; 
}


a[role="button"].outline {
    border-color: var(--primary);
    color: var(--primary);
}

a[role="button"].outline:hover {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 10px rgba(30, 136, 229, 0.5); 
}

footer {
    margin-top: 50px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
    color: #666;
}