@import url('https://fonts.googleapis.com/css2?family=VT323&family=Space+Mono:wght@400;700&family=Montserrat:wght@400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-primary: #2D2D2D;
    --bg-secondary: #242424;
    --text-primary: #D3D3D3;
    --text-secondary: #a8aeb7;
    --accent-cyan: #58a6ff;
    --accent-cyan-hover: #79c0ff;
    --border-color: #30363d;
    --glow-subtle: 0 0 8px rgba(88, 166, 255, 0.3);
    
    /* Consistent Spacing Scale */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Scanline Effect - Subtle Terminal Aesthetic */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(88, 166, 255, 0.005) 0px,
        transparent 1px,
        transparent 2px,
        rgba(88, 166, 255, 0.005) 3px
    );
    pointer-events: none;
    z-index: 1000;
    animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ============================================ */
/* LAYOUT & STRUCTURE */
/* ============================================ */

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

/* ============================================ */
/* HEADER */
/* ============================================ */

header {
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg);
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    position: relative;
}

/* Corner Brackets - Cyberpunk Detail */
header::before,
header::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-cyan);
}

header::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

header::after {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

/* ============================================ */
/* TYPOGRAPHY */
/* ============================================ */

h1 {
    font-family: 'VT323', monospace;
    font-size: 3.5rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(88, 166, 255, 0.4);
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

h1 a {
    color: var(--accent-cyan);
    text-decoration: none;
}

h2 {
    font-family: 'VT323', monospace;
    font-size: 2.5rem;
    color: var(--text-primary);
    margin: var(--space-xl) 0 var(--space-lg) 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h2::before {
    content: '// ';
    color: var(--accent-cyan);
}

h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-lg) 0 var(--space-sm) 0;
}

/* ============================================ */
/* NAVIGATION */
/* ============================================ */

.tagline {
    font-family: 'VT323', monospace;
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.tagline::before {
    content: '> ';
    color: var(--accent-cyan);
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background: var(--accent-cyan);
    animation: blink 1s step-end infinite;
    margin-left: 5px;
}

nav {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 5px 10px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

nav a::before {
    content: '[ ';
    color: var(--border-color);
}

nav a::after {
    content: ' ]';
    color: var(--border-color);
}

nav a:hover,
nav a.active {
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    box-shadow: var(--glow-subtle);
}

/* ============================================ */
/* INTRO BOX */
/* ============================================ */

.intro-box {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent-cyan);
    padding: var(--space-md);
    margin-bottom: var(--space-2xl);
    font-size: 1.1rem;
    position: relative;
    color: var(--text-primary);
}

.intro-box::before {
    content: '🍚';
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    opacity: 0.2;
}

/* ============================================ */
/* TAG FILTERS */
/* ============================================ */

.tag-filter {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.tag-filter h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tag-filter h3::before {
    content: '';
}

.filter-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-tag {
    background: rgba(88, 166, 255, 0.08);
    color: var(--text-secondary);
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    border-radius: 3px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}

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

/* ============================================ */
/* POST GRID & CARDS */
/* ============================================ */

.post-grid {
    display: grid;
    gap: var(--space-md);
}

.post-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: var(--space-md);
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    position: relative;
}

.post-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-subtle);
    transform: translateX(5px);
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.post-date {
    color: var(--text-secondary);
    font-family: 'VT323', monospace;
    font-size: 1.1rem;
}

.post-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.tag {
    background: rgba(88, 166, 255, 0.08);
    color: var(--text-secondary);
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    border-radius: 3px;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
}

.tag:hover {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.post-title {
    font-size: 1.4rem;
    color: var(--accent-cyan);
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.post-snippet {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================ */
/* BLOG POST CONTENT */
/* ============================================ */

.content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.content p {
    margin-bottom: 28px;
}

.content a {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-cyan);
    transition: all 0.2s ease;
}

.content a:hover {
    color: var(--accent-cyan-hover);
    border-bottom-color: var(--accent-cyan-hover);
}

.content ul, 
.content ol {
    margin: var(--space-md) 0 var(--space-md) 30px;
}

.content li {
    margin-bottom: var(--space-sm);
}

.content h2 {
    margin-top: 50px;
    margin-bottom: var(--space-md);
}

.content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.content img {
    max-width: 100%;
    height: auto;
    margin: var(--space-lg) 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* Tables */
.content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.content table th {
    background: rgba(88, 166, 255, 0.1);
    color: var(--text-primary);
    font-weight: 600;
    text-align: left;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    font-family: 'Montserrat', sans-serif;
}

.content table td {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: top;
    line-height: 1.6;
}

.content table tr:hover {
    background: rgba(88, 166, 255, 0.05);
}

/* First column bold styling for category tables */
.content table td:first-child {
    font-weight: 600;
    color: var(--accent-cyan);
}

/* Code within tables */
.content table code {
    font-size: 0.85rem;
    background: var(--bg-primary);
}

/* Table column width control */
.content table th:nth-child(1),
.content table td:nth-child(1) {
    width: 18%;
}

.content table th:nth-child(2),
.content table td:nth-child(2) {
    width: 40%;
}

.content table th:nth-child(3),
.content table td:nth-child(3) {
    width: 42%;
}

/* Better spacing for bullet lists in tables */
.content table td {
    white-space: pre-line;
}

/* Mobile responsiveness for tables */
@media (max-width: 768px) {
    .content table {
        font-size: 0.85rem;
    }
    
    .content table th,
    .content table td {
        padding: 10px 12px;
    }
}

/* ============================================ */
/* CODE BLOCKS */
/* ============================================ */

pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-cyan);
    padding: var(--space-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
}

code {
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
}

p code, 
li code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--accent-cyan);
}

/* ============================================ */
/* COPY BUTTON FOR CODE BLOCKS */
/* ============================================ */

.copy-button {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 0;
    background: rgba(29, 29, 29, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.copy-button::before {
    content: '';
    display: block;
    width: 14px;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'%3E%3C/path%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

pre:hover .copy-button {
    opacity: 0.7;
}

.copy-button:hover {
    opacity: 1 !important;
    border-color: var(--accent-cyan);
    background: rgba(88, 166, 255, 0.15);
}

.copy-button:hover::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2358a6ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'%3E%3C/path%3E%3C/svg%3E");
}

.copy-button:active {
    transform: scale(0.95);
}

.copy-button.copied {
    border-color: var(--accent-cyan);
    background: rgba(88, 166, 255, 0.2);
}

.copy-button.copied::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2358a6ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
}

/* ============================================ */
/* ABOUT PAGE */
/* ============================================ */

.about-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: var(--space-md);
}

.about-content p strong {
    display: block;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.about-content ul {
    margin-bottom: var(--space-lg);
}

.about-content hr {
    margin: var(--space-xl) 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--accent-cyan);
    text-decoration: none;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.social-link:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-subtle);
    transform: translateX(5px);
}

/* ============================================ */
/* FOOTER */
/* ============================================ */

footer {
    margin-top: 80px;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer::before {
    content: '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━';
    display: block;
    color: var(--border-color);
    opacity: 0.5;
    margin-bottom: var(--space-md);
    font-family: 'VT323', monospace;
}

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

footer a:hover {
    color: var(--accent-cyan);
}

/* ============================================ */
/* COMPACT POSTS LIST (ALTERNATE LAYOUT) */
/* ============================================ */

.tag-filter-compact {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.filter-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-tags-compact {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-tag-compact {
    background: transparent;
    color: var(--text-secondary);
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    border-radius: 3px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.filter-tag-compact:hover,
.filter-tag-compact.active {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.posts-list-compact {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.post-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 0;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    transition: all 0.2s ease;
}

.post-row:last-child {
    border-bottom: none;
}

.post-row:hover {
    background: rgba(88, 166, 255, 0.03);
    padding-left: 10px;
    padding-right: 10px;
    margin-left: -10px;
    margin-right: -10px;
}

.post-row-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    min-width: 95px;
    flex-shrink: 0;
}

.post-row-arrow {
    color: var(--accent-cyan);
    font-size: 1rem;
    flex-shrink: 0;
}

.post-row-title {
    color: var(--text-primary);
    font-size: 1rem;
    flex: 1;
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-row:hover .post-row-title {
    color: var(--accent-cyan);
}

.post-row-tags {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.post-row-tag {
    background: rgba(88, 166, 255, 0.08);
    color: var(--text-secondary);
    padding: 2px 8px;
    border: 1px solid var(--border-color);
    font-size: 0.7rem;
    border-radius: 3px;
    white-space: nowrap;
}

/* ============================================ */
/* READING PROGRESS BAR */
/* ============================================ */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 10px;
    height: 50%;
    background: linear-gradient(
        to bottom,
        var(--accent-cyan),
        var(--accent-cyan-hover)
    );
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.6),
                0 0 20px rgba(88, 166, 255, 0.3);
    z-index: 9999;
    transition: height 0.1s ease-out;
}

/* ============================================ */
/* MOBILE RESPONSIVE */
/* ============================================ */

@media (max-width: 768px) {
    .container {
        padding: var(--space-xl) var(--space-md);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    nav {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    pre {
        padding: var(--space-sm);
        font-size: 0.85rem;
    }

    .social-links {
        flex-direction: column;
    }

    .tag-filter-compact {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .post-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
        padding: var(--space-sm) 0;
    }
    
    .post-row-date {
        min-width: auto;
    }
    
    .post-row-arrow {
        display: none;
    }
    
    .post-row-tags {
        justify-content: flex-start;
    }
    
    .post-row:hover {
        padding-left: 0;
        padding-right: 0;
        margin-left: 0;
        margin-right: 0;
    }

    .copy-button {
        width: 26px;
        height: 26px;
        opacity: 0.5;
    }
    
    .copy-button::before {
        width: 12px;
        height: 12px;
    }
}