/* --- Base Theme Variables --- */
:root {
    --bg-color: #141416;          /* Deep dark background */
    --card-bg: #1f1f22;           /* Slightly lighter card background */
    --text-primary: #e5e5e5;      /* Off-white for less eye strain */
    --text-secondary: #9a9a9f;    /* Muted gray for captions and subtext */
    --accent: #5d9cec;            /* Technical blue for links */
    --accent-hover: #82b1ff;
    --border-color: #2d2d31;      /* Subtle borders for structure */
    --code-bg: #0d0d0e;           /* Pitch dark for code snippets */
}

/* --- Global Styles --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 840px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* --- Typography --- */
h1, h2, h3 {
    color: #ffffff;
    font-weight: 600;
    margin-top: 2em;
    margin-bottom: 0.5em;
}

h1 { 
    font-size: 2.5rem; 
    margin-top: 0; 
}

h2 { 
    font-size: 1.75rem; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 8px; 
}

h3 { 
    font-size: 1.2rem; 
    color: var(--accent); 
    margin-top: 2.5em;
}

p {
    margin-bottom: 1.5em;
    font-size: 1.05rem;
}

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

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* --- Header --- */
header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 48px;
}

header p {
    color: var(--text-secondary);
    margin: 4px 0;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: block;
    margin: 24px 0;
}

figure {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 32px 0;
    padding: 0;
    overflow: hidden; /* Keeps the rounded corners intact */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

figure img {
    margin: 0; 
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0; /* Rounds only the top corners */
    width: 100%;
    background-color: var(--code-bg);
}

figcaption {
    padding: 16px 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

figcaption strong {
    color: var(--text-primary);
}

code {
    background-color: var(--code-bg);
    color: #5a92c3;
    padding: 3px 6px;
    border-radius: 4px;
    font-family: "Fira Code", "Consolas", monospace;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}