/*-----------------------------------*\
  #SURPRISE DESIGN - Neo-Tokyo Terminal
\*-----------------------------------*/

/**
 * Cyberpunk terminal-inspired portfolio design
 * ASCII art, matrix effects, and retro-futuristic aesthetics
 */

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

/*-----------------------------------*\
  #CUSTOM PROPERTY
\*-----------------------------------*/

:root {
  /* Cyberpunk color palette */
  --terminal-green: #00ff41;
  --neon-cyan: #00ffff;
  --electric-pink: #ff0080;
  --warning-orange: #ff8c00;
  --error-red: #ff0040;
  --info-blue: #0080ff;
  
  /* Terminal background */
  --bg-terminal: #0a0a0a;
  --bg-darker: #000000;
  --bg-line: rgba(0, 255, 65, 0.1);
  --bg-card: rgba(0, 255, 65, 0.05);
  --bg-glow: rgba(0, 255, 65, 0.2);
  
  /* Text colors */
  --text-primary: var(--terminal-green);
  --text-secondary: rgba(0, 255, 65, 0.8);
  --text-tertiary: rgba(0, 255, 65, 0.6);
  --text-accent: var(--neon-cyan);
  --text-error: var(--error-red);
  --text-warning: var(--warning-orange);
  
  /* Typography */
  --ff-mono: 'Share Tech Mono', 'Courier New', monospace;
  
  /* Font sizes */
  --fs-xs: 0.6rem;
  --fs-sm: 0.75rem;
  --fs-base: 0.875rem;
  --fs-lg: 1rem;
  --fs-xl: 1.125rem;
  --fs-2xl: 1.25rem;
  --fs-3xl: 1.5rem;
  --fs-4xl: 2rem;
  --fs-5xl: 3rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border */
  --border-terminal: 1px solid var(--terminal-green);
  --border-glow: 0 0 10px var(--terminal-green);
  --border-bright: 0 0 20px var(--terminal-green);
  
  /* Transitions */
  --transition-fast: 0.1s linear;
  --transition-base: 0.2s linear;
  --transition-slow: 0.3s linear;
  
  /* ASCII Art Variables */
  --ascii-border: '╔═══════════════════════════════════════════════════════════════════════════════╗';
  --ascii-divider: '╠═══════════════════════════════════════════════════════════════════════════════╣';
  --ascii-bottom: '╚═══════════════════════════════════════════════════════════════════════════════╝';
}

/*-----------------------------------*\
  #RESET & BASE
\*-----------------------------------*/

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

html {
  font-family: var(--ff-mono);
  font-size: 14px;
  line-height: 1.4;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-terminal);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  font-weight: 400;
}

/* Matrix rain effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(90deg, transparent 98%, var(--terminal-green) 100%),
    linear-gradient(180deg, transparent 98%, rgba(0, 255, 65, 0.03) 100%);
  background-size: 20px 20px, 100% 20px;
  opacity: 0.3;
  z-index: -2;
  animation: matrixScroll 20s linear infinite;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 255, 65, 0.1) 0%, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(0, 255, 255, 0.05) 0%, transparent 30%),
    radial-gradient(circle at 40% 80%, rgba(255, 0, 128, 0.05) 0%, transparent 30%);
  z-index: -1;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes matrixScroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(20px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.8; }
}

/* Scanline effect */
.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--terminal-green) 50%, 
    transparent 100%);
  z-index: 1000;
  animation: scanline 3s linear infinite;
  pointer-events: none;
}

@keyframes scanline {
  0% { top: -2px; }
  100% { top: 100vh; }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-mono);
  font-weight: 400;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.h1 { font-size: var(--fs-5xl); }
.h2 { font-size: var(--fs-4xl); }
.h3 { font-size: var(--fs-3xl); }
.h4 { font-size: var(--fs-2xl); }
.h5 { font-size: var(--fs-xl); }

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  filter: contrast(1.2) brightness(0.9);
}

/* Terminal cursor */
.cursor::after {
  content: '█';
  animation: blink 1s infinite;
  color: var(--text-accent);
}

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

/* Glitch effect */
.glitch {
  position: relative;
  animation: glitch 2s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  color: var(--electric-pink);
  animation: glitch-1 0.5s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
  color: var(--neon-cyan);
  animation: glitch-2 0.5s infinite;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, -2px); }
  40% { transform: translate(-2px, 2px); }
  60% { transform: translate(2px, -2px); }
  80% { transform: translate(2px, 2px); }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(2px, 2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(-2px, 2px); }
  80% { transform: translate(-2px, -2px); }
}

/*-----------------------------------*\
  #LAYOUT
\*-----------------------------------*/

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: var(--space-8);
  min-height: 100vh;
  position: relative;
}

/* ASCII Art Terminal Frame */
.terminal-frame {
  border: var(--border-terminal);
  background: var(--bg-darker);
  margin: var(--space-4) 0;
  position: relative;
  box-shadow: var(--border-glow);
}

.terminal-frame::before {
  content: '╔═══════════════════════════════════════════╗';
  position: absolute;
  top: -12px;
  left: 0;
  color: var(--text-primary);
  font-size: var(--fs-xs);
  white-space: nowrap;
  background: var(--bg-terminal);
  padding: 0 var(--space-2);
}

.terminal-frame::after {
  content: '╚═══════════════════════════════════════════╝';
  position: absolute;
  bottom: -12px;
  left: 0;
  color: var(--text-primary);
  font-size: var(--fs-xs);
  white-space: nowrap;
  background: var(--bg-terminal);
  padding: 0 var(--space-2);
}

/*-----------------------------------*\
  #HEADER
\*-----------------------------------*/

.terminal-header {
  background: var(--bg-terminal);
  padding: var(--space-4);
  border-bottom: var(--border-terminal);
  position: relative;
}

.terminal-title {
  text-align: center;
  margin-bottom: var(--space-4);
}

.terminal-title::before {
  content: '> INITIALIZING PORTFOLIO SYSTEM... \A> LOADING USER DATA... \A> CONNECTION ESTABLISHED \A>';
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  white-space: pre;
  animation: typewriter 3s steps(60, end);
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

.system-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
}

.system-info div {
  padding: var(--space-2);
  border: 1px solid rgba(0, 255, 65, 0.3);
  background: var(--bg-card);
}

.system-info strong {
  color: var(--text-accent);
}

/*-----------------------------------*\
  #SIDEBAR
\*-----------------------------------*/

.sidebar {
  position: sticky;
  top: var(--space-6);
  height: fit-content;
  background: var(--bg-darker);
  border: var(--border-terminal);
  box-shadow: var(--border-glow);
}

.sidebar::before {
  content: '╔════ USER PROFILE ════╗';
  position: absolute;
  top: -8px;
  left: var(--space-4);
  background: var(--bg-terminal);
  color: var(--text-primary);
  font-size: var(--fs-xs);
  padding: 0 var(--space-2);
}

.sidebar-info {
  padding: var(--space-6);
  text-align: center;
  border-bottom: var(--border-terminal);
}

.ascii-avatar {
  display: none; /* Hide ASCII avatar in favor of real image */
}

@keyframes pixelPulse {
  0%, 100% { 
    color: var(--text-primary);
    text-shadow: 0 0 5px var(--terminal-green);
  }
  50% { 
    color: var(--text-accent);
    text-shadow: 0 0 10px var(--neon-cyan);
  }
}

.avatar-box {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-4);
  border: 2px solid var(--terminal-green);
  background: var(--bg-terminal);
  overflow: hidden;
  position: relative;
}

.avatar-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-content .name {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  text-shadow: 0 0 10px var(--terminal-green);
  animation: textGlow 3s ease-in-out infinite;
}

@keyframes textGlow {
  0%, 100% { text-shadow: 0 0 5px var(--terminal-green); }
  50% { text-shadow: 0 0 15px var(--terminal-green), 0 0 25px var(--terminal-green); }
}

.title-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

.info-content .title {
  font-size: var(--fs-sm);
  color: var(--text-accent);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--text-accent);
  background: rgba(0, 255, 255, 0.1);
  display: inline-block;
  animation: borderPulse 2s ease-in-out infinite;
  margin: 0;
  text-align: center;
  min-width: 180px;
}

.info-content .title:nth-child(2) {
  color: var(--electric-pink);
  border-color: var(--electric-pink);
  background: rgba(255, 0, 128, 0.1);
  animation-delay: 0.5s;
}

.info-content .title:nth-child(3) {
  color: var(--warning-orange);
  border-color: var(--warning-orange);
  background: rgba(255, 140, 0, 0.1);
  animation-delay: 1s;
}

@keyframes borderPulse {
  0%, 100% { box-shadow: 0 0 5px currentColor; }
  50% { box-shadow: 0 0 15px currentColor; }
}

.info_more-btn {
  display: none;
}

.sidebar-info_more {
  opacity: 1;
  visibility: visible;
  padding: 0 var(--space-6) var(--space-6);
}

/* Contact List */
.contacts-list {
  list-style: none;
}

.contact-item {
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  border-left: 3px solid var(--text-secondary);
  background: var(--bg-card);
  position: relative;
  transition: var(--transition-base);
}

.contact-item::before {
  content: '>';
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-accent);
  animation: blink 1.5s infinite;
}

.contact-item:hover {
  border-left-color: var(--text-primary);
  background: var(--bg-glow);
  box-shadow: inset 0 0 10px rgba(0, 255, 65, 0.2);
}

.contact-title {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--space-1);
  margin-left: var(--space-4);
}

.contact-link,
.contact-info time,
.contact-info address {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-style: normal;
  margin-left: var(--space-4);
  transition: var(--transition-base);
}

.contact-link:hover {
  color: var(--text-primary);
  text-shadow: 0 0 5px var(--terminal-green);
}

/* Social Links */
.social-list {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  list-style: none;
  padding: var(--space-4);
  border-top: var(--border-terminal);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: var(--border-terminal);
  background: var(--bg-card);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--terminal-green), transparent);
  transition: var(--transition-slow);
}

.social-link:hover {
  color: var(--text-primary);
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
}

.social-link:hover::before {
  left: 100%;
}

/*-----------------------------------*\
  #MAIN CONTENT
\*-----------------------------------*/

.main-content {
  min-height: 100vh;
}

/* Navigation */
.navbar {
  background: var(--bg-darker);
  border: var(--border-terminal);
  margin-bottom: var(--space-8);
  position: relative;
  box-shadow: var(--border-glow);
}

.navbar::before {
  content: '╔════ NAVIGATION MENU ════╗';
  position: absolute;
  top: -8px;
  left: var(--space-4);
  background: var(--bg-terminal);
  color: var(--text-primary);
  font-size: var(--fs-xs);
  padding: 0 var(--space-2);
}

.navbar-list {
  display: flex;
  list-style: none;
  padding: var(--space-2);
  gap: var(--space-2);
}

.navbar-link {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(0, 255, 65, 0.3);
  background: var(--bg-card);
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
}

.navbar-link::before {
  content: '> ';
  opacity: 0;
  transition: var(--transition-base);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--text-primary);
  border-color: var(--terminal-green);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
  background: var(--bg-glow);
}

.navbar-link:hover::before,
.navbar-link.active::before {
  opacity: 1;
}

/* Articles */
article {
  display: none;
  background: var(--bg-darker);
  border: var(--border-terminal);
  padding: var(--space-6);
  position: relative;
  box-shadow: var(--border-glow);
}

article.active {
  display: block;
  animation: terminalBoot 1s ease-out;
}

@keyframes terminalBoot {
  0% {
    opacity: 0;
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    opacity: 0.5;
    transform: scaleY(0.5);
  }
  100% {
    opacity: 1;
    transform: scaleY(1);
  }
}

.article-title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-6);
  color: var(--text-primary);
  position: relative;
  text-shadow: 0 0 10px var(--terminal-green);
}

.article-title::before {
  content: '╔═══ ';
  color: var(--text-secondary);
}

.article-title::after {
  content: ' ═══╗';
  color: var(--text-secondary);
}

/*-----------------------------------*\
  #ABOUT SECTION
\*-----------------------------------*/

.about-text {
  font-size: var(--fs-base);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  color: var(--text-secondary);
}

.about-text p {
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: var(--space-4);
  transition: var(--transition-base);
}

.about-text p::before {
  content: '│ ';
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
}

.about-text p:hover {
  color: var(--text-primary);
  padding-left: var(--space-6);
}

.about-text p:hover::before {
  color: var(--text-accent);
  content: '├─ ';
}

/* Services */
.service {
  margin-bottom: var(--space-10);
}

.service-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-6);
  color: var(--text-primary);
  text-align: center;
  position: relative;
}

.service-title::before {
  content: '═══ ';
  color: var(--text-secondary);
}

.service-title::after {
  content: ' ═══';
  color: var(--text-secondary);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.service-item {
  padding: var(--space-6);
  border: var(--border-terminal);
  background: var(--bg-card);
  position: relative;
  transition: var(--transition-base);
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--terminal-green);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.service-item:hover {
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
}

.service-item:hover::before {
  transform: scaleX(1);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  margin-bottom: var(--space-4);
  border: var(--border-terminal);
  background: var(--bg-terminal);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.service-icon-box::before {
  content: '◆';
  font-size: var(--fs-2xl);
  color: var(--text-accent);
  animation: rotate 3s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.service-item-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  text-transform: uppercase;
}

.service-item-text {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--fs-sm);
}

/*-----------------------------------*\
  #RESUME SECTION
\*-----------------------------------*/

.timeline {
  margin-bottom: var(--space-10);
}

.timeline .title-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.timeline .icon-box {
  width: 40px;
  height: 40px;
  border: var(--border-terminal);
  background: var(--bg-terminal);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--border-glow);
  position: relative;
}

.timeline .icon-box::before {
  content: '⚡';
  color: var(--text-accent);
  animation: flash 2s ease-in-out infinite;
}

@keyframes flash {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.timeline-list {
  position: relative;
  padding-left: var(--space-8);
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--terminal-green) 0%,
    var(--text-secondary) 50%,
    var(--terminal-green) 100%
  );
  animation: dataFlow 3s ease-in-out infinite;
}

@keyframes dataFlow {
  0%, 100% { box-shadow: 0 0 5px var(--terminal-green); }
  50% { box-shadow: 0 0 15px var(--terminal-green); }
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border: var(--border-terminal);
  background: var(--bg-card);
  transition: var(--transition-base);
}

.timeline-item::before {
  content: '●';
  position: absolute;
  left: -23px;
  top: var(--space-4);
  color: var(--text-accent);
  background: var(--bg-terminal);
  padding: var(--space-1);
  animation: pulse 2s ease-in-out infinite;
}

.timeline-item:hover {
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
  transform: translateX(var(--space-2));
}

.timeline-item-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  text-transform: uppercase;
}

.timeline-item span {
  font-size: var(--fs-sm);
  color: var(--text-warning);
  font-weight: bold;
}

.timeline-text {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--fs-sm);
}

/* Skills */
.skill {
  margin-top: var(--space-10);
}

.skills-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-6);
  color: var(--text-primary);
  text-align: center;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

.skills-item {
  padding: var(--space-4);
  border: var(--border-terminal);
  background: var(--bg-card);
  transition: var(--transition-base);
  position: relative;
}

.skills-item:hover {
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
}

.skill .title-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.skill .title-wrapper h5 {
  color: var(--text-primary);
  text-transform: uppercase;
}

.skill .title-wrapper data {
  font-size: var(--fs-sm);
  color: var(--text-accent);
  font-family: var(--ff-mono);
}

.skill-progress-bg {
  height: 4px;
  background: rgba(0, 255, 65, 0.2);
  position: relative;
  overflow: hidden;
}

.skill-progress-fill {
  height: 100%;
  background: var(--terminal-green);
  transition: width 2s ease-out;
  position: relative;
  box-shadow: 0 0 10px var(--terminal-green);
}

.skill-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255,255,255,0.3), 
    transparent);
  animation: shimmerFlow 2s infinite;
}

@keyframes shimmerFlow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/*-----------------------------------*\
  #PORTFOLIO SECTION
\*-----------------------------------*/

.filter-list {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  list-style: none;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-select-box {
  display: none;
}

.filter-item button {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-4);
  border: var(--border-terminal);
  background: var(--bg-card);
  transition: var(--transition-base);
  text-transform: uppercase;
  position: relative;
}

.filter-item button::before {
  content: '[ ';
  opacity: 0;
  transition: var(--transition-base);
}

.filter-item button::after {
  content: ' ]';
  opacity: 0;
  transition: var(--transition-base);
}

.filter-item button:hover,
.filter-item button.active {
  color: var(--text-primary);
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
}

.filter-item button:hover::before,
.filter-item button:hover::after,
.filter-item button.active::before,
.filter-item button.active::after {
  opacity: 1;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.project-item {
  display: none;
  border: var(--border-terminal);
  background: var(--bg-card);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-item.active {
  display: block;
  animation: pixelIn 0.5s ease-out;
}

@keyframes pixelIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

.project-item:hover {
  box-shadow: var(--border-bright);
  background: var(--bg-glow);
}

.project-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-terminal);
  position: relative;
  border-bottom: var(--border-terminal);
}

.project-img::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(45deg, 
      transparent 49%, 
      rgba(0, 255, 65, 0.1) 50%, 
      transparent 51%),
    linear-gradient(-45deg, 
      transparent 49%, 
      rgba(0, 255, 65, 0.1) 50%, 
      transparent 51%);
  background-size: 10px 10px;
  opacity: 0;
  transition: var(--transition-base);
}

.project-item:hover .project-img::before {
  opacity: 1;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

.project-item:hover .project-img img {
  transform: scale(1.05);
  filter: contrast(1.3) brightness(1.1);
}

.project-item-icon-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 50px;
  height: 50px;
  border: var(--border-terminal);
  background: var(--bg-terminal);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-bounce);
}

.project-item:hover .project-item-icon-box {
  transform: translate(-50%, -50%) scale(1);
}

.project-item-icon-box::before {
  content: '▶';
  color: var(--text-accent);
  font-size: var(--fs-lg);
}

.project-title,
.project-category {
  padding: 0 var(--space-4);
}

.project-title {
  font-size: var(--fs-lg);
  margin: var(--space-4) 0 var(--space-2);
  color: var(--text-primary);
  text-transform: uppercase;
}

.project-category {
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}

/*-----------------------------------*\
  #RESPONSIVE
\*-----------------------------------*/

@media (max-width: 1024px) {
  main {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-4);
  }
  
  .sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  main {
    padding: var(--space-2);
  }
  
  .terminal-frame::before,
  .terminal-frame::after {
    font-size: var(--fs-xs);
    content: '╔═══════════════════╗';
  }
  
  .terminal-frame::after {
    content: '╚═══════════════════╝';
  }
  
  .sidebar::before {
    content: '╔═ PROFILE ═╗';
  }
  
  .navbar::before {
    content: '╔═ MENU ═╗';
  }
  
  .navbar-list {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .article-title {
    font-size: var(--fs-2xl);
  }
  
  .about-text {
    font-size: var(--fs-sm);
  }
  
  .service-list {
    grid-template-columns: 1fr;
  }
  
  .timeline-list {
    padding-left: var(--space-6);
  }
  
  .project-list {
    grid-template-columns: 1fr;
  }
  
  .filter-list {
    gap: var(--space-2);
  }
  
  .skills-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .h1 { font-size: var(--fs-3xl); }
  .h2 { font-size: var(--fs-2xl); }
  
  .ascii-avatar::before {
    font-size: var(--fs-xs);
  }
  
  .system-info {
    grid-template-columns: 1fr;
  }
}

/* Add scanline to body */
body {
  position: relative;
}

body > .scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--terminal-green) 50%, 
    transparent 100%);
  z-index: 1000;
  animation: scanline 3s linear infinite;
  pointer-events: none;
}

/*-----------------------------------*\
  #THEME SWITCHER
\*-----------------------------------*/

.theme-switcher-nav {
  position: relative;
  margin-left: auto;
}

.theme-switcher-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(0, 255, 65, 0.3);
  background: var(--bg-card);
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-switcher-btn::before {
  content: '⚙ ';
  opacity: 0;
  transition: var(--transition-base);
}

.theme-switcher-btn:hover,
.theme-switcher-btn.active {
  color: var(--text-primary);
  border-color: var(--terminal-green);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
  background: var(--bg-glow);
}

.theme-switcher-btn:hover::before,
.theme-switcher-btn.active::before {
  opacity: 1;
}

.theme-icon {
  font-size: var(--fs-lg);
  color: var(--text-accent);
}

.theme-text {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dropdown-icon {
  font-size: var(--fs-base);
  transition: transform var(--transition-base);
}

.theme-switcher-btn.active .dropdown-icon {
  transform: rotate(180deg);
}

.theme-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 220px;
  background: var(--bg-terminal);
  border: var(--border-terminal);
  border-radius: 6px;
  box-shadow: 
    var(--border-glow),
    0 10px 30px rgba(0, 0, 0, 0.8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1000;
}

.theme-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-option::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--neon-cyan);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.theme-option:hover::before,
.theme-option.active::before {
  transform: scaleX(1);
}

.theme-option:hover {
  background: var(--bg-glow);
  color: var(--text-primary);
  padding-left: var(--space-5);
}

.theme-option.active {
  background: var(--bg-glow);
  color: var(--text-primary);
  padding-left: var(--space-5);
}

.theme-option:first-child {
  border-radius: 6px 6px 0 0;
}

.theme-option:last-child {
  border-radius: 0 0 6px 6px;
}

.theme-preview {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.neo-tokyo-preview {
  background: linear-gradient(135deg, 
    var(--bg-terminal) 0%, 
    rgba(0, 255, 65, 0.2) 50%, 
    var(--terminal-green) 100%);
}

.minimalist-preview {
  background: linear-gradient(135deg, 
    #f8fafc 0%, 
    #e2e8f0 50%, 
    #64748b 100%);
}

.original-preview {
  background: linear-gradient(135deg, 
    #1e293b 0%, 
    #3b82f6 50%, 
    #60a5fa 100%);
}

.theme-option span {
  flex: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.checkmark {
  font-size: var(--fs-base);
  color: var(--neon-cyan);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.theme-option.active .checkmark {
  opacity: 1;
}

/* Matrix background effect for dropdown */
.theme-dropdown::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      rgba(0, 255, 65, 0.03) 1px,
      transparent 2px
    );
  pointer-events: none;
  z-index: -1;
}

/* Responsive design */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .theme-switcher {
    align-self: flex-end;
  }
  
  .theme-dropdown {
    right: 0;
    left: auto;
  }
}

@media (max-width: 580px) {
  .theme-text {
    display: none;
  }
  
  .theme-dropdown {
    min-width: 180px;
  }
  
  .theme-option span {
    font-size: var(--fs-xs);
  }
}

/* Theme Prompt Animation */
.theme-prompt {
  position: absolute;
  top: 60px;
  right: -10px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  pointer-events: none;
  z-index: 999;
}

.theme-prompt.show {
  opacity: 1;
  visibility: visible;
  animation: promptPulse 2s ease-in-out infinite;
}

.theme-prompt-arrow {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 12px solid var(--terminal-green);
  transform: rotate(-45deg);
  filter: drop-shadow(0 0 4px var(--terminal-green));
  animation: arrowBounce 1.5s ease-in-out infinite;
}

.theme-prompt-text {
  background: var(--bg-terminal);
  border: var(--border-terminal);
  border-radius: 6px;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  box-shadow: var(--border-glow);
  position: relative;
}

.theme-prompt-text::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      rgba(0, 255, 65, 0.05) 1px,
      transparent 2px
    );
  pointer-events: none;
  border-radius: 6px;
}

@keyframes promptPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes arrowBounce {
  0%, 100% { transform: rotate(-45deg) translateY(0); }
  50% { transform: rotate(-45deg) translateY(-3px); }
}

/* Hide prompt on mobile */
@media (max-width: 768px) {
  .theme-prompt {
    display: none;
  }
}