/* Brutalist Utility Theme */
:root {
    /* Core Palette - Raw & Systemic */
    --bg-root: #ffffff;
    --bg-surface: #ffffff;
    --text-primary: #000000;
    --text-secondary: #444444;
    
    /* The "Default Web" Colors */
    --link-color: #0000ee;        /* Standard Blue */
    --link-visited: #551a8b;      /* Standard Purple */
    --link-active: #ff0000;       /* Standard Red */
    
    /* Borders */
    --border-thick: 2px solid #000;
    --border-thin: 1px solid #000;
    --border-hairline: 1px solid #ccc;

    /* Spacing - Tight & Functional */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    
    /* Typography - System Stack */
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "SF Mono", "Monaco", "Andale Mono", "Ubuntu Mono", monospace;
}

::selection {
    background-color: #ffff00; /* High-vis highlighter yellow */
    color: #000000;
}

/* Reset - Keep it raw */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-root);
    color: var(--text-primary);
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.4;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography */
h1, h2, h3 {
    font-weight: bold;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    border-bottom: var(--border-thick);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-md);
}

h2 {
    font-size: 1.5rem;
    margin-top: var(--space-md);
    background: #000;
    color: #fff;
    display: inline-block;
    padding: 0.2rem 0.5rem;
}

h3 {
    font-size: 1.2rem;
    margin-top: var(--space-md);
}

p {
    margin-bottom: var(--space-sm);
}

/* Links - The Old Web Way */
a {
    color: var(--link-color);
    text-decoration: underline;
    cursor: pointer;
}

a:visited {
    color: var(--link-visited);
}

a:hover {
    background-color: #ffff00; /* High-vis highlighter */
    text-decoration: none;
}

a:active {
    color: var(--link-active);
}

/* Navigation */
.nav-wrapper {
    margin-bottom: var(--space-md);
    border-bottom: var(--border-thin);
    padding-bottom: var(--space-xs);
}

.nav-link {
    background: none;
    border: var(--border-thin);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.25rem 0.75rem;
    margin-right: -1px; /* Collapse borders */
    cursor: pointer;
    color: #000;
}

.nav-link:hover {
    background: #eee;
}

.nav-link.active {
    background: #000;
    color: #fff;
}

/* Content Structures */
ul {
    list-style: square;
    padding-left: var(--space-md);
}

li {
    margin-bottom: 0.25rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Blog List - Table Style */
.post-list {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-sm);
}

.post-row {
    display: flex;
    border-bottom: var(--border-hairline);
    padding: var(--space-sm) 0;
    align-items: baseline;
}

.post-row:hover {
    background-color: #f9f9f9;
}

.post-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    width: 140px;
    flex-shrink: 0;
}

.post-title {
    font-weight: bold;
    margin-right: var(--space-sm);
}

.post-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Code & Pre */
code {
    font-family: var(--font-mono);
    background: #eee;
    padding: 0.1rem 0.3rem;
    font-size: 0.9em;
}

pre {
    background: #f4f4f4;
    border: var(--border-hairline);
    padding: var(--space-sm);
    overflow-x: auto;
    margin: var(--space-sm) 0;
}

/* Utility Boxes (Brutalist Style) */
.tool-box, .prompt-box, .insight, .contradiction, .highlight {
    border: var(--border-thin);
    padding: var(--space-sm);
    margin: var(--space-md) 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: #fff;
}

.tool-box strong, .prompt-box strong {
    background: #eee;
    padding: 0 4px;
    font-weight: bold;
}

.highlight {
    background: #ffffcc; /* Pale yellow note */
}

/* Image Expansion */
.img-expandable {
    cursor: zoom-in;
    border: var(--border-thin);
    max-width: 200px; /* Thumbnail size */
    transition: all 0.2s;
}

.img-expandable:hover {
    border: var(--border-thick);
}

/* Modal for Image */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.95);
    z-index: 1000;
    cursor: zoom-out;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-img {
    max-width: 90%;
    max-height: 90%;
    border: var(--border-thick);
    box-shadow: 10px 10px 0px #000; /* Brutalist shadow */
}

/* Press Items */
.press-entry {
    border: var(--border-thin);
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
    display: flex;
    gap: var(--space-md);
}

/* Charts */
.chart-container {
    border: var(--border-thin);
    padding: var(--space-sm);
    margin: var(--space-md) 0;
}

/* Footer */
footer {
    margin-top: var(--space-lg);
    border-top: var(--border-thick);
    padding-top: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.footer-links a {
    margin-right: var(--space-md);
}

/* Back Link */
.back-nav {
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}