:root {
    /* MODE DARK (GUNMETAL) */
    --bg-gunmetal: #1a1a1a; 
    --line-black: #000; 
    --accent-green: #4ade80;
    --text-silver: #888; 
    --text-white: #fff; 
    --text-dim: #555;
    --line-highlight: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
    /* MODE BACA (CREAM/SEPIA) */
    --bg-gunmetal: #f4f1ea; 
    --line-black: #e0ddd5; 
    --accent-green: #16a34a;
    --text-silver: #5f5d56; 
    --text-white: #2c2c2c; 
    --text-dim: #a19f97; 
    --line-highlight: rgba(0, 0, 0, 0.03);
}

/* MODIFIKASI: Matikan dekorasi link global */
* { margin: 0; padding: 0; box-sizing: border-box; text-decoration: none !important; }

body { 
    background-color: var(--bg-gunmetal); 
    color: var(--text-silver); 
    font-family: 'IBM Plex Mono', monospace;
    min-height: 100vh; 
    overflow-y: auto; 
    padding: 80px 10%; 
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.7;
}

/* RESPONSIVE MOBILE */
@media (max-width: 768px) {
    body { padding: 65px 6%; }
    h1, .section-text a h1 { font-size: 1.55rem; }
    .section-text { padding: 28px 0; }
    header { margin-bottom: 45px; }
}

header { 
    display: flex; justify-content: space-between; align-items: center; 
    border-bottom: 1px solid var(--line-black); 
    padding-bottom: 30px; margin-bottom: 60px; 
    box-shadow: 0 1px 0 var(--line-highlight); 
}

.brand { 
    font-size: 0.7rem; 
    letter-spacing: 0.5em; 
    color: var(--text-white); 
    font-weight: 600; 
    text-transform: uppercase; 
}

.brand:hover { opacity: 0.8; }

/* JUDUL */
h1, .section-text a h1 { 
    color: var(--text-white); 
    font-size: 1.8rem; 
    font-weight: 400; 
    margin-bottom: 30px; 
    line-height: 1.25;
}

.section-text { 
    padding: 35px 0; 
    border-bottom: 1px solid var(--line-black); 
    box-shadow: 0 1px 0 var(--line-highlight); 
    margin-bottom: 20px;
}

/* ==================== MARKDOWN STYLES (yang sebelumnya missing) ==================== */
.markdown-body {
    color: var(--text-silver);
    font-size: 0.95rem;
    line-height: 1.78;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, 
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    color: var(--text-white);
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    font-weight: 400;
}

.markdown-body h2 { font-size: 1.42rem; }
.markdown-body h3 { font-size: 1.18rem; }

.markdown-body p { margin-bottom: 1.5rem; }

.markdown-body a {
    color: var(--accent-green);
    border-bottom: 1px dotted var(--accent-green);
}

.markdown-body a:hover {
    color: var(--text-white);
    border-bottom: 1px solid var(--accent-green);
}

.markdown-body ul, .markdown-body ol {
    margin-bottom: 1.8rem;
    padding-left: 1.8rem;
}

.markdown-body li { margin-bottom: 0.6rem; }

.markdown-body blockquote {
    border-left: 4px solid var(--accent-green);
    padding-left: 24px;
    margin: 32px 0;
    color: var(--text-dim);
    font-style: italic;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--line-black);
    border-radius: 3px;
    margin: 28px 0;
    display: block;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
}

.markdown-body th, .markdown-body td {
    border: 1px solid var(--line-black);
    padding: 11px 14px;
    text-align: left;
}

.markdown-body th { background: var(--line-highlight); }

/* Code blocks */
.code-container { position: relative; margin: 30px 0; border: 1px solid var(--line-black); }

pre[class*="language-"] { 
    background: #141414 !important; 
    margin: 0 !important; 
    padding: 25px; 
    font-size: 0.85rem; 
    white-space: pre !important; 
    overflow-x: auto; 
    display: block; 
}

[data-theme="light"] pre[class*="language-"] {
    background: #2c2c2c !important;
}

.copy-btn {
    position: absolute; top: 10px; right: 10px; z-index: 10;
    background: rgba(40, 40, 40, 0.8); color: var(--accent-green);
    border: 1px solid #444; padding: 4px 8px; font-size: 10px;
    cursor: pointer; font-family: 'IBM Plex Mono', monospace; text-transform: uppercase;
    backdrop-filter: blur(4px);
}

.copy-btn:hover { background: var(--accent-green); color: #000; }

footer { 
    margin-top: 120px; padding: 40px 0; 
    border-top: 1px solid var(--line-black); 
    box-shadow: inset 0 1px 0 var(--line-highlight);
    font-size: 0.6rem; letter-spacing: 0.4em; color: var(--text-silver); text-align: center; text-transform: uppercase; 
}

::-webkit-scrollbar { width: 3px; height: 4px; }
::-webkit-scrollbar-thumb { background: #333; }