/* CSS Variables - Terminal/Hacker Theme */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: rgba(22, 27, 34, 0.9);
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --green-glow: rgba(63, 185, 80, 0.3);
    --border: #30363d;
    --terminal-green: #3fb950;
    --terminal-cyan: #79c0ff;
    --terminal-yellow: #d29922;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --max-width: 1100px;
    --content-width: 800px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

#ascii-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.site-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    padding: 1rem 1.5rem;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo { text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }

.logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--terminal-green);
}

.logo-text::before {
    content: '> ';
    color: var(--terminal-cyan);
}

.nav-links { display: flex; list-style: none; gap: 0.5rem; }

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border);
}

.nav-links a.active {
    color: var(--terminal-green);
    background: rgba(63, 185, 80, 0.1);
    border-color: var(--terminal-green);
}

.main-content {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    width: 100%;
}

.hero {
    text-align: center;
    padding: 4rem 0 3rem;
}

.hero-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-title::before {
    content: '# ';
    color: var(--terminal-green);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.hero-subtitle::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--terminal-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    border-left: 3px solid var(--terminal-cyan);
}

.section-title::before {
    content: '$';
    color: var(--terminal-green);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.25s ease;
    position: relative;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--terminal-green), var(--terminal-cyan));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.post-card:hover {
    border-color: var(--terminal-green);
    box-shadow: 0 0 20px var(--green-glow);
    transform: translateY(-2px);
}

.post-card:hover::before { opacity: 1; }

.post-link {
    display: block;
    padding: 1.25rem;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post-meta time { color: var(--terminal-cyan); }

.post-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
    border-radius: 3px;
    border: 1px solid rgba(88, 166, 255, 0.2);
    text-decoration: none;
    transition: all 0.2s ease;
}

.tag:hover {
    background: rgba(88, 166, 255, 0.2);
    border-color: var(--accent);
}

.post-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.post-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    font-size: 0.85rem;
    color: var(--terminal-green);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.read-more::before { content: '→ '; }

.posts-list { display: flex; flex-direction: column; gap: 1rem; }
.post-card-horizontal { max-width: var(--content-width); }

.page-header { padding: 2rem 0; }

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-title::before {
    content: '# ';
    color: var(--terminal-green);
}

.page-description { color: var(--text-secondary); font-size: 1rem; }

.single-post { max-width: var(--content-width); margin: 0 auto; }

.post-header {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.post-header .post-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0.75rem 0;
    line-height: 1.3;
}

.post-header .post-title::before {
    content: '# ';
    color: var(--terminal-green);
}

.post-header .post-meta { justify-content: flex-start; }
.post-header .post-tags { margin-top: 1rem; }

.post-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    font-size: 1rem;
    line-height: 1.8;
}

.post-content h2 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.post-content h2::before {
    content: '## ';
    color: var(--terminal-cyan);
}

.post-content h3 {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-primary);
}

.post-content h3::before {
    content: '### ';
    color: var(--terminal-yellow);
}

.post-content p { margin-bottom: 1.25rem; color: var(--text-secondary); }

.post-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent);
}

.post-content a:hover { border-bottom-style: solid; }

.post-content ul, .post-content ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.post-content li { margin-bottom: 0.5rem; }
.post-content li::marker { color: var(--terminal-green); }

.post-content blockquote {
    border-left: 3px solid var(--terminal-cyan);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: rgba(121, 192, 255, 0.05);
    border-radius: 0 6px 6px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.post-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    position: relative;
}

.post-content pre::before {
    content: 'code';
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--border);
    border-radius: 0 6px 0 6px;
}

.post-content code { font-family: var(--font-mono); font-size: 0.9em; }

.post-content p code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--terminal-cyan);
    border: 1px solid var(--border);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 1.5rem 0;
    border: 1px solid var(--border);
}

.post-footer { margin-top: 2rem; }

.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.nav-prev, .nav-next {
    flex: 1;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.nav-prev:hover, .nav-next:hover { border-color: var(--terminal-green); }
.nav-next { text-align: right; }

.nav-label {
    display: block;
    font-size: 0.8rem;
    color: var(--terminal-green);
    margin-bottom: 0.25rem;
}

.nav-title { color: var(--text-primary); font-size: 0.95rem; }

.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    color: var(--terminal-green);
    border: 1px solid var(--terminal-green);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn:hover {
    background: var(--terminal-green);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--green-glow);
}

.view-all { text-align: center; margin-top: 2rem; }

.site-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    margin-top: auto;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
}

.footer-content { max-width: var(--max-width); margin: 0 auto; }
.site-footer p { color: var(--text-muted); font-size: 0.85rem; }

.footer-tagline {
    font-size: 0.8rem !important;
    margin-top: 0.5rem;
}

.footer-tagline::before {
    content: '// ';
    color: var(--terminal-green);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a, .pagination span {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.pagination a:hover {
    border-color: var(--terminal-green);
    color: var(--terminal-green);
}

.pagination .active {
    background: var(--terminal-green);
    border-color: var(--terminal-green);
    color: var(--bg-primary);
}

@media (max-width: 768px) {
    .site-header { padding: 0.75rem 1rem; }
    .nav-container { flex-direction: column; gap: 0.75rem; }
    .nav-links { gap: 0.25rem; }
    .nav-links a { padding: 0.3rem 0.6rem; font-size: 0.85rem; }
    .main-content { padding: 1rem; }
    .hero { padding: 2rem 0; }
    .hero-content { padding: 1.5rem; }
    .posts-grid { grid-template-columns: 1fr; }
    .post-navigation { flex-direction: column; }
    .post-content, .post-header { padding: 1.25rem; }
}

::selection { background: var(--terminal-green); color: var(--bg-primary); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }