@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&display=swap');

/* =========================================
   1. VARIABLES & THEME CONFIGURATION
   ========================================= */
:root {
    /* Colors */
    --primary-color: #818cf8;
    --secondary-color: #34d399;
    --tertiary-color: #9ca3af;
    --error-color: #f87171;
    --warning-color: #fbbf24;
    --info-color: #60a5fa;
    
    /* Backgrounds */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-accent: #374151;

    /* Typography */
    --font-display: 'Orbitron', monospace;
    --font-mono: 'Share Tech Mono', 'Courier New', monospace;
    --font-size-base: 1rem;
    --line-height-base: 1.6;

    /* Layout & Spacing */
    --container-width: 1200px; /* Increased from 800px for better grid support */
    --spacing-unit: 20px;
    --border-width: 2px;
    --border-radius: 4px; /* Slight rounding for modern feel */

    /* Effects */
    --glow-small: 5px;
    --glow-medium: 10px;
    --glow-large: 20px;
    --glow-xlarge: 30px;
    --glitch-intensity: 2px;

    /* Animation Timings */
    --anim-fast: 0.3s;
    --anim-normal: 0.6s;
    --anim-slow: 2s;
    --anim-slower: 4s;

    /* Z-Indices */
    --z-background: -2;
    --z-particles: -1;
    --z-content: 1;
    --z-header: 50;
    --z-modal: 100;
    --z-tooltip: 1000;
}

/* =========================================
   2. RESET & GLOBAL STYLES
   ========================================= */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-mono);
    line-height: var(--line-height-base);
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 80%, var(--bg-accent) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--secondary-color) 20%, transparent) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    color: var(--tertiary-color);
    text-shadow: 0 0 var(--glow-small) var(--tertiary-color);
    overflow-x: hidden;
    min-height: 100vh;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 var(--glow-medium) var(--primary-color);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    position: relative;
}

h1, h2 {
    border-left: 4px solid var(--primary-color);
    padding-left: 15px;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all var(--anim-fast) ease;
    position: relative;
}

a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 var(--glow-medium) var(--primary-color);
}

p {
    margin-bottom: 1em;
}

/* =========================================
   3. LAYOUT UTILITIES
   ========================================= */
.container {
    max-width: var(--container-width);
    padding: 0 var(--spacing-unit);
    position: relative;
    z-index: var(--z-content);
}

/* Grid System */
.grid-layout, 
.posts-grid, 
.collections-grid, 
.featured-grid,
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* =========================================
   4. HEADER & NAVIGATION
   ========================================= */
.site-header {
    background: linear-gradient(45deg, 
        color-mix(in srgb, var(--bg-secondary) 90%, transparent), 
        color-mix(in srgb, var(--bg-primary) 90%, transparent));
    border-bottom: var(--border-width) solid var(--primary-color);
    padding: 1rem 0;
    position: relative;
    top: 0;
    z-index: var(--z-header);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    animation: cyber-breathe var(--anim-slower) infinite;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.site-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin: 0;
    letter-spacing: 3px;
    animation: title-glow var(--anim-slow) infinite alternate;
}

.site-title a {
    color: var(--primary-color);
}

.site-tagline {
    color: var(--secondary-color);
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Navigation */
.site-nav {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.site-nav a {
    color: var(--tertiary-color);
    padding: 0.5rem 1rem;
    border: 1px solid var(--tertiary-color);
    background: rgba(0,0,0,0.2);
    font-family: var(--font-display);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a.active {
    background: var(--tertiary-color);
    color: var(--bg-primary);
    box-shadow: 0 0 var(--glow-medium) var(--tertiary-color);
    transform: scale(1.05);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    cursor: pointer;
    margin-top: 1rem;
}

/* =========================================
   5. COMPONENTS
   ========================================= */

/* Cards (Posts, Collections, Features) */
.card, .post-card, .collection-card, .featured-card, .holo-card {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: all var(--anim-fast) ease;
    position: relative;
    overflow: hidden;
}

.card:hover, .post-card:hover, .collection-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 var(--glow-large) color-mix(in srgb, var(--primary-color) 30%, transparent);
    border-color: var(--secondary-color);
}

.holo-card {
    background: linear-gradient(135deg, 
        rgba(129, 140, 248, 0.1), 
        rgba(52, 211, 153, 0.1));
    backdrop-filter: blur(5px);
    animation: electric-border var(--anim-slower) infinite;
}

/* Buttons */
.btn, button, input[type="submit"], .pagination-link {
    display: inline-block;
    background: var(--primary-color);
    color: var(--bg-primary);
    border: 2px solid var(--bg-secondary);
    padding: 3px;
    font-family: var(--font-display);
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--anim-fast) ease;
    text-align: center;
    border-radius: 10px;
}

.btn:hover, button:hover, input[type="submit"]:hover, .pagination-link:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 0 var(--glow-large) var(--secondary-color);
    transform: translateY(-2px);
    color: var(--bg-primary);
    text-shadow: none;
}

/* Forms */
input, textarea, select {
    background: rgba(17, 24, 39, 0.8);
    border: 2px solid var(--primary-color);
    color: var(--tertiary-color);
    padding: 10px;
    width: 100%;
    font-family: var(--font-mono);
    margin-bottom: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 var(--glow-medium) var(--secondary-color);
}

/* Messages / Alerts */
.message {
    padding: 1rem;
    margin: 1rem 0;
    border: 2px solid currentColor;
    background: rgba(0,0,0,0.2);
    position: relative;
}

.message-error { color: var(--error-color); }
.message-success { color: var(--secondary-color); } /* Using secondary as success */
.message-warning { color: var(--warning-color); }
.message-info { color: var(--info-color); }

/* Terminal Window */
.terminal-window {
    background: var(--bg-primary);
    border: 2px solid var(--tertiary-color);
    margin: 2rem 0;
    box-shadow: 0 0 var(--glow-large) rgba(156, 163, 175, 0.2);
}

.terminal-header {
    background: linear-gradient(90deg, var(--tertiary-color), var(--primary-color));
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}

.terminal-content {
    padding: 1rem;
    font-family: var(--font-mono);
    white-space: pre-wrap;
}

/* Table of Contents */
.toc {
    background: rgba(156, 163, 175, 0.1);
    border: 1px solid var(--tertiary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    position: relative;
}

.toc::before {
    content: '// TABLE OF CONTENTS';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-primary);
    padding: 0 10px;
    font-size: 0.8em;
}

/* =========================================
   6. IMAGES & GALLERY
   ========================================= */
img {
    max-width: 100%;
    height: auto;
    border: var(--border-width) solid var(--primary-color);
    border-radius: var(--border-radius);
    filter: saturate(1.2) contrast(1.1);
    transition: all var(--anim-fast) ease;
}

img:hover {
    filter: saturate(1.4) brightness(1.1);
    box-shadow: 0 0 var(--glow-large) var(--primary-color);
    border-color: var(--secondary-color);
}

/* Gallery Grid */
.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--anim-fast);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Lightbox */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: rgba(0,0,0,0.95);
    display: none;
    align-items: center;
    justify-content: center;
}

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

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    position: relative;
}

.lightbox-image {
    max-height: 80vh;
    box-shadow: 0 0 50px var(--primary-color);
}

/* =========================================
   7. PAGE SPECIFIC STYLES
   ========================================= */

/* Post Layout */
.post-header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 2rem;
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.post-meta {
    color: var(--tertiary-color);
    font-size: 0.9rem;
}

.post-tags {
    margin-top: 2rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-accent);
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--primary-color);
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Post Navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    gap: 1rem;
}

.post-navigation a {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--primary-color);
    text-align: center;
}

/* Footer */
.site-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 3px solid var(--secondary-color);
    text-align: center;
    background: linear-gradient(to top, rgba(52, 211, 153, 0.1), transparent);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--tertiary-color);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--anim-fast);
    z-index: var(--z-tooltip);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   8. ANIMATIONS
   ========================================= */
@keyframes title-glow {
    from { text-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color); }
    to { text-shadow: 0 0 5px var(--primary-color), 0 0 10px var(--primary-color); }
}

@keyframes cyber-breathe {
    0%, 100% { border-color: var(--primary-color); }
    50% { border-color: var(--secondary-color); }
}

@keyframes electric-border {
    0%, 100% { box-shadow: 0 0 5px var(--primary-color); border-color: var(--primary-color); }
    50% { box-shadow: 0 0 15px var(--secondary-color); border-color: var(--secondary-color); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes matrix-rain {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

/* Particle Field */
.particle-field {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-particles);
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--secondary-color);
    animation: matrix-rain 10s linear infinite;
}

/* =========================================
   9. MEDIA QUERIES
   ========================================= */
@media (max-width: 768px) {
    :root {
        --container-width: 100%;
        --spacing-unit: 15px;
    }

    .site-title { font-size: 1.8rem; }
    
    .nav-toggle { display: block; }
    
    .site-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--bg-secondary);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 1rem;
        border-bottom: 2px solid var(--primary-color);
    }

    .site-nav.active { display: flex; }
    
    .site-nav a { width: 100%; text-align: center; }

    .grid-layout, .posts-grid, .gallery-grid {
        grid-template-columns: 1fr;
    }

    .post-navigation { flex-direction: column; }
    
    .lightbox-content { width: 100%; }
}

@media print {
    body { background: white; color: black; text-shadow: none; }
    .site-header, .site-footer, .nav-toggle, .particle-field { display: none; }
    a { color: black; text-decoration: underline; }
    .card, .terminal-window { border: 1px solid #ccc; box-shadow: none; }
}