body {
    margin: 0;
    font-family: system-ui, monospace;
    background: #02060c;
    color: #e0faff;
}

.blog-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    padding: 20px;
    border-right: 1px solid #00f2ff;
}

.sidebar h2 {
    margin-top: 0;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar li {
    margin-bottom: 15px;
}

.sidebar a {
    color: #00f2ff;
    text-decoration: none;
}

.sidebar a:hover {
    text-decoration: underline;
}

.back-link {
    display: block;
    margin-top: 30px;
    color: #00ff41;
}

.content {
    flex: 1;
    padding: 40px;
}

article {
    margin-bottom: 60px;
}

article h3 {
    margin-bottom: 5px;
}

.date {
    font-size: 0.85rem;
    color: #00ff41;
}

.post-container {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 20px;
}

article h1 {
    margin-bottom: 10px;
}

.date {
    color: #00ff41;
    font-size: 0.85rem;
    margin-bottom: 30px;
}

.category {
    margin-bottom: 30px;
}

.category h3 {
    margin-bottom: 10px;
    color: #00ff41;
    font-size: 1rem;
    text-transform: uppercase;
}

.meta {
    margin-bottom: 30px;
}

.tag {
    margin-left: 15px;
    padding: 2px 8px;
    border: 1px solid #00f2ff;
    font-size: 0.75rem;
}


.category h3 {
    cursor: pointer;
    color: #00ff41;
    user-select: none;
    margin-bottom: 5px;
}

.category ul {
    list-style: none;
    padding-left: 10px;
    display: none;
}

.category ul.open {
    display: block;
}

.category li {
    margin-bottom: 12px;
}

.category a {
    color: #00f2ff;
    text-decoration: none;
}

.category a:hover {
    text-decoration: underline;
}