/* 80's Retro Terminal Theme - GREEN ON BLACK HACKER AESTHETIC */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

:root {
    /* Terminal Color Palette */
    --terminal-black: #000000;
    --terminal-dark-green: #001100;
    --terminal-green: #00ff00;
    --terminal-bright-green: #00ff41;
    --terminal-dim-green: #008800;
    --terminal-amber: #ffb000;
    --terminal-red: #ff0040;
    --terminal-cyan: #00ffff;
    --terminal-white: #ffffff;
    --terminal-gray: #333333;
    --terminal-border: #004400;
    
    /* Glow effects - minimal intensity */
    --terminal-glow: 0 0 1px var(--terminal-green);
    --terminal-text-glow: none;
    --terminal-strong-glow: 0 0 2px var(--terminal-bright-green);
}

/* Base Terminal Styling */
* {
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Mono', 'JetBrains Mono', 'Courier New', monospace;
    background: var(--terminal-black);
    color: var(--terminal-green);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    line-height: 1.4;
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
}

/* Retro CRT Scan Lines Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 0, 0.03) 2px,
        rgba(0, 255, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 1000;
    animation: scanlines 0.1s linear infinite;
}

/* Subtle CRT flicker */
@keyframes scanlines {
    0% { opacity: 1; }
    98% { opacity: 1; }
    99% { opacity: 0.98; }
    100% { opacity: 1; }
}

/* Terminal Screen Curvature Effect */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;
    z-index: 999;
}

/* Override all PaperMod defaults */
.dark body,
body.dark {
    background: var(--terminal-black) !important;
    color: var(--terminal-green) !important;
}

/* Terminal Header */
.header {
    background: var(--terminal-black);
    border: 2px solid var(--terminal-green);
    border-radius: 0;
    margin: 10px 10px 0 10px;
    box-shadow: none;
    position: sticky;
    top: 10px;
    z-index: 100;
    font-family: 'IBM Plex Mono', monospace;
}

/* Removed blinking system ready indicator */

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

.dark .header,
body.dark .header {
    background: var(--terminal-black) !important;
    border: 2px solid var(--terminal-green) !important;
    box-shadow: none !important;
}

.nav {
    max-width: none;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--terminal-black);
    min-height: 50px;
}

/* Terminal Logo */
.logo a {
    color: var(--terminal-bright-green) !important;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    font-family: 'IBM Plex Mono', monospace;
    text-shadow: none;
    display: flex;
    align-items: center;
    gap: 0;
    line-height: 1;
}

.logo .integral-logo::before {
    content: '[INTEGRAL]$ ';
    color: var(--terminal-green);
    font-weight: 400;
    display: inline-block;
}

.logo .integral-logo::after {
    content: ' █';
    color: var(--terminal-bright-green);
    margin-left: 5px;
}

/* Terminal Navigation */
#menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
    border: 1px solid var(--terminal-green);
    background: var(--terminal-black);
}

#menu::before {
    content: '[NAV] ';
    color: var(--terminal-dim-green);
    padding: 10px 12px;
    border-right: 1px solid var(--terminal-green);
    font-size: 12px;
    display: flex;
    align-items: center;
    line-height: 1;
}

#menu li a {
    color: var(--terminal-green) !important;
    text-decoration: none;
    padding: 10px 15px;
    border-right: 1px solid var(--terminal-green);
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    display: block;
    line-height: 1;
}

#menu li:last-child a {
    border-right: none;
}

#menu li a:hover {
    background: var(--terminal-green);
    color: var(--terminal-black) !important;
    text-shadow: none;
    box-shadow: inset var(--terminal-glow);
}

/* Main Terminal Window */
.main {
    background: var(--terminal-black);
    min-height: calc(100vh - 100px);
    padding: 0;
    margin: 0 10px;
    border: 2px solid var(--terminal-green);
    box-shadow: var(--terminal-glow);
    position: relative;
}

.main::before {
    content: 'INTEGRAL ENGINEERING TERMINAL v2.1.0 - STATUS: ONLINE';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    background: var(--terminal-green);
    color: var(--terminal-black);
    padding: 5px 15px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dark .main,
body.dark .main {
    background: var(--terminal-black) !important;
}

/* Terminal Hero Section */
.home-info {
    background: var(--terminal-black);
    border: 1px solid var(--terminal-green);
    margin: 40px 0 20px 0;
    padding: 30px;
    position: relative;
    font-family: 'IBM Plex Mono', monospace;
}

.home-info::before {
    content: '┌─[ MAIN TERMINAL ]─[ STATUS: ACTIVE ]─[ USER: ENGINEER ]────────────────────┐';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    background: var(--terminal-black);
    color: var(--terminal-green);
    padding: 5px;
    font-size: 12px;
    font-family: 'IBM Plex Mono', monospace;
    border-bottom: 1px solid var(--terminal-green);
}

.home-info::after {
    content: '└──────────────────────────────────────────────────────────────────────────┘';
    position: absolute;
    bottom: -1px;
    left: -1px;
    right: -1px;
    background: var(--terminal-black);
    color: var(--terminal-green);
    padding: 5px;
    font-size: 12px;
    font-family: 'IBM Plex Mono', monospace;
    border-top: 1px solid var(--terminal-green);
}

.home-info-content {
    max-width: none;
    margin: 20px 0;
}

.home-info h1 {
    color: var(--terminal-bright-green);
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 20px 0;
    font-family: 'IBM Plex Mono', monospace;
    text-shadow: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

.home-info h1::before {
    content: '> ';
    color: var(--terminal-green);
}

.home-info h1::after {
    content: ' █';
    color: var(--terminal-bright-green);
    animation: blink 1s infinite;
    margin-left: 10px;
}

.home-info p {
    font-size: 16px;
    color: var(--terminal-green);
    margin: 20px 0;
    line-height: 1.6;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
}

.home-info p::before {
    content: '$ ';
    color: var(--terminal-dim-green);
}

/* Terminal Buttons */
.integral-button {
    background: var(--terminal-black);
    color: var(--terminal-green) !important;
    border: 2px solid var(--terminal-green);
    padding: 12px 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
    display: inline-block;
    position: relative;
}

.integral-button::before {
    content: '[ ';
    color: var(--terminal-dim-green);
}

.integral-button::after {
    content: ' ]';
    color: var(--terminal-dim-green);
}

.integral-button:hover {
    background: var(--terminal-green);
    color: var(--terminal-black) !important;
    box-shadow: var(--terminal-glow);
    text-shadow: none;
}

.integral-button-secondary {
    background: transparent;
    color: var(--terminal-amber) !important;
    border: 2px solid var(--terminal-amber);
    padding: 12px 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
    display: inline-block;
}

.integral-button-secondary:hover {
    background: var(--terminal-amber);
    color: var(--terminal-black) !important;
    box-shadow: 0 0 10px var(--terminal-amber);
}

/* Terminal Posts Section */
.latest-posts {
    background: var(--terminal-black);
    border: 1px solid var(--terminal-green);
    margin: 20px 0;
    padding: 30px;
    position: relative;
}

.latest-posts::before {
    content: '┌─[ RECENT POSTS ]─[ SORT: DATE DESC ]─[ COUNT: 3 ]────────────────────────┐';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    background: var(--terminal-black);
    color: var(--terminal-green);
    padding: 5px;
    font-size: 12px;
    font-family: 'IBM Plex Mono', monospace;
    border-bottom: 1px solid var(--terminal-green);
}

.latest-posts::after {
    content: '└──────────────────────────────────────────────────────────────────────────┘';
    position: absolute;
    bottom: -1px;
    left: -1px;
    right: -1px;
    background: var(--terminal-black);
    color: var(--terminal-green);
    padding: 5px;
    font-size: 12px;
    font-family: 'IBM Plex Mono', monospace;
    border-top: 1px solid var(--terminal-green);
}

.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
}

/* Terminal Post Cards */
.post-card,
.post-entry {
    background: var(--terminal-black);
    border: 1px solid var(--terminal-green);
    padding: 20px;
    position: relative;
    margin: 10px 0;
    font-family: 'IBM Plex Mono', monospace;
}

.post-card::before,
.post-entry::before {
    content: '┌─[ POST ]─[ STATUS: PUBLISHED ]────────────────────────────────────────────┐';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    background: var(--terminal-black);
    color: var(--terminal-dim-green);
    padding: 3px 5px;
    font-size: 10px;
    font-family: 'IBM Plex Mono', monospace;
    border-bottom: 1px solid var(--terminal-green);
}

.post-card:hover,
.post-entry:hover {
    box-shadow: var(--terminal-glow);
    border-color: var(--terminal-bright-green);
}

.dark .post-entry,
body.dark .post-entry,
.dark .post-card,
body.dark .post-card {
    background: var(--terminal-black) !important;
    color: var(--terminal-green) !important;
    border: 1px solid var(--terminal-green) !important;
}

.post-header h3,
.entry-header h2 {
    margin: 15px 0 10px 0;
    color: var(--terminal-bright-green) !important;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    text-shadow: none;
}

.post-header h3::before,
.entry-header h2::before {
    content: '[POST] ';
    color: var(--terminal-dim-green);
    font-weight: 400;
    font-size: 10px;
}

.post-header h3 a,
.entry-header h2 a {
    color: var(--terminal-bright-green) !important;
    text-decoration: none;
    font-family: 'IBM Plex Mono', monospace;
}

.post-header h3 a:hover,
.entry-header h2 a:hover {
    color: var(--terminal-cyan) !important;
    text-shadow: 0 0 5px var(--terminal-cyan);
}

.post-meta,
.entry-footer {
    color: var(--terminal-dim-green) !important;
    font-size: 12px;
    margin: 10px 0;
    font-family: 'IBM Plex Mono', monospace;
}

.post-meta::before,
.entry-footer::before {
    content: '[META] ';
    color: var(--terminal-gray);
}

.post-summary,
.entry-summary {
    color: var(--terminal-green) !important;
    line-height: 1.6;
    margin: 15px 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
}

.post-summary::before,
.entry-summary::before {
    content: '$ ls -1t posts/*.md | head -1 | xargs head -3\n';
    color: var(--terminal-dim-green);
    font-size: 12px;
    display: block;
    margin-bottom: 5px;
}

.read-more {
    color: var(--terminal-amber) !important;
    text-decoration: none;
    font-weight: 600;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.read-more::before {
    content: '[ ';
    color: var(--terminal-dim-green);
}

.read-more::after {
    content: ' ] >';
    color: var(--terminal-dim-green);
}

.read-more:hover {
    color: var(--terminal-cyan) !important;
    text-shadow: 0 0 5px var(--terminal-cyan);
}

/* Terminal Footer */
.footer {
    background: var(--terminal-black);
    border-top: 2px solid var(--terminal-green);
    margin: 20px 10px 10px 10px;
    padding: 20px;
    font-family: 'IBM Plex Mono', monospace;
    position: relative;
}

.footer::before {
    content: '> SYSTEM INFORMATION';
    position: absolute;
    top: -15px;
    left: 0;
    background: var(--terminal-black);
    color: var(--terminal-green);
    padding: 0 10px;
    font-size: 12px;
}

.dark .footer,
body.dark .footer {
    background: var(--terminal-black) !important;
    color: var(--terminal-green) !important;
    border-top: 2px solid var(--terminal-green) !important;
}

.footer p {
    color: var(--terminal-green);
    margin: 0;
    text-align: center;
    font-size: 12px;
}

.footer p::before {
    content: 'INTEGRAL ENGINEERING © 2024';
    color: var(--terminal-dim-green);
}

.footer p::after {
    content: ' | STATUS: OPERATIONAL █';
    color: var(--terminal-dim-green);
    animation: blink 2s infinite;
}

/* Single Page Layout */
.post-single {
    background: var(--terminal-black);
    border: 2px solid var(--terminal-green);
    margin: 20px;
    padding: 30px;
    font-family: 'IBM Plex Mono', monospace;
    box-shadow: var(--terminal-glow);
}

.post-header h1 {
    color: var(--terminal-bright-green);
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 700;
    text-shadow: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.post-header h1::before {
    content: '[MAIN] ';
    color: var(--terminal-dim-green);
    font-size: 14px;
}

.post-content {
    color: var(--terminal-green);
    line-height: 1.6;
}

.post-content h1,
.post-content h2,
.post-content h3 {
    color: var(--terminal-bright-green);
    font-family: 'IBM Plex Mono', monospace;
    text-shadow: none;
}

.post-content h2::before {
    content: '[H2] ';
    color: var(--terminal-dim-green);
    font-size: 12px;
}

.post-content h3::before {
    content: '[H3] ';
    color: var(--terminal-dim-green);
    font-size: 11px;
}

.post-content p {
    color: var(--terminal-green);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
}

/* Code Blocks */
.highlight,
.highlight pre {
    background: var(--terminal-dark-green) !important;
    border: 1px solid var(--terminal-green);
    color: var(--terminal-bright-green) !important;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
}

.highlight::before {
    content: '> EXECUTING CODE...';
    display: block;
    color: var(--terminal-amber);
    font-size: 11px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--terminal-green);
    padding-bottom: 5px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header {
        margin: 5px;
    }
    
    .nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    #menu {
        flex-direction: column;
        width: 100%;
    }
    
    #menu li a {
        border-right: none;
        border-bottom: 1px solid var(--terminal-green);
        text-align: center;
    }
    
    #menu li:last-child a {
        border-bottom: none;
    }
    
    .home-info h1 {
        font-size: 24px;
    }
    
    .main {
        margin: 0 5px;
    }
    
    .home-info,
    .latest-posts {
        margin: 10px 0;
        padding: 20px;
    }
    
    .footer {
        margin: 10px 5px 5px 5px;
        padding: 15px 10px;
    }
    
    .footer p {
        font-size: 10px;
        word-break: break-word;
        line-height: 1.4;
    }
    
    .footer p::before {
        content: 'INTEGRAL © 2024';
    }
}

/* Additional Geeky Effects */
@keyframes terminal-glow {
    0%, 100% { 
        text-shadow: var(--terminal-text-glow);
        box-shadow: var(--terminal-glow);
    }
    50% { 
        text-shadow: var(--terminal-strong-glow);
        box-shadow: var(--terminal-strong-glow);
    }
}

.terminal-pulse {
    animation: terminal-glow 3s ease-in-out infinite;
}

/* Selection styling */
::selection {
    background: var(--terminal-green);
    color: var(--terminal-black);
}