/* Minimalist Black Terminal Theme */
:root {
  /* Monochrome palette */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #121212;
  --border-color: #1a1a1a;
  --border-active: #2a2a2a;

  /* Terminal green accent */
  --accent-green: #00ff41;
  --accent-green-dim: #00cc33;
  --accent-green-glow: rgba(0, 255, 65, 0.3);

  /* Text colors */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --text-green: var(--accent-green);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography */
  --font-primary: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Effects */
  --transition: 0.3s ease;
  --glow: 0 0 10px var(--accent-green-glow);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* Selection */
::selection {
  background: var(--accent-green);
  color: var(--bg-primary);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-green);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-green-dim);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header/Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-green);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

nav ul {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
  position: relative;
}

nav a::before {
  content: '$ ';
  color: var(--text-green);
  opacity: 0;
  transition: var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--text-green);
}

nav a:hover::before,
nav a.active::before {
  opacity: 1;
}

/* Mobile menu toggle - hidden on desktop */
.mobile-menu-toggle {
  display: none;
}


/* Main Content */
main {
  margin-top: 60px;
  min-height: 100vh;
}

section {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-color);
}

section:last-child {
  border-bottom: none;
}

/* Terminal Section */
.terminal-section {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) 0;
}

.terminal-container {
  width: 100%;
  max-width: 900px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.terminal-button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--border-active);
}

.terminal-button.close {
  background: #ff5f56;
  border-color: #e0443e;
}

.terminal-button.minimize {
  background: #ffbd2e;
  border-color: #dfa123;
}

.terminal-button.maximize {
  background: #27c93f;
  border-color: #1aab29;
}

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: var(--spacing-md);
  height: 500px;
  overflow-y: auto;
  font-family: var(--font-primary);
}

.terminal-output {
  margin-bottom: var(--spacing-md);
}

.terminal-line {
  margin-bottom: var(--spacing-xs);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.terminal-prompt {
  color: var(--text-green);
  user-select: none;
}

.terminal-input-line {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.terminal-input-wrapper {
  flex: 1;
  position: relative;
}

#terminal-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 14px;
  padding: 0;
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--text-green);
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

.intro-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.intro-text .name {
  color: var(--text-green);
  font-weight: 700;
}

.intro-text .role {
  color: var(--text-primary);
}

.command-suggestion {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

.command-suggestion code {
  color: var(--text-green);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-primary);
}

.response-text {
  color: var(--text-secondary);
  margin-left: var(--spacing-md);
  white-space: pre-wrap;
  line-height: 1.8;
}

.response-text strong {
  color: var(--text-primary);
}

.response-text a {
  color: var(--text-green);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-green);
}

.response-text a:hover {
  text-decoration: none;
  border-bottom: 1px solid var(--text-green);
}

.error-text {
  color: #ff6b6b;
  margin-left: var(--spacing-md);
}

/* Profile Section */
.profile-section {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.profile-image-container {
  width: 250px;
  height: 250px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.profile-image-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid var(--accent-green);
  opacity: 0;
  transition: var(--transition);
}

.profile-image-container:hover::before {
  opacity: 0.3;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition);
}

.profile-image:hover {
  filter: grayscale(0%);
}

.profile-info h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.profile-info h2 {
  font-size: 1.2rem;
  color: var(--text-green);
  margin-bottom: var(--spacing-md);
  font-weight: 400;
}

.profile-info p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
  word-break: break-word;
  overflow-wrap: break-word;
}

.contact-item i {
  color: var(--text-green);
  width: 16px;
  flex-shrink: 0;
}

.contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  word-break: break-word;
}

.contact-item a:hover {
  color: var(--text-green);
}

.contact-item span {
  word-break: break-word;
}

/* Section Headers */
.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  padding-left: var(--spacing-md);
}

.section-header h2::before {
  content: '//';
  position: absolute;
  left: 0;
  color: var(--text-green);
}

/* Content Blocks */
.content-block {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border-left: 2px solid var(--border-color);
  transition: var(--transition);
}

.content-block:hover {
  border-left-color: var(--accent-green);
  background: var(--bg-secondary);
}

.content-block h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.content-block h4 {
  color: var(--text-green);
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.content-block .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-sm);
}

.content-block p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.tag:hover {
  border-color: var(--accent-green);
  color: var(--text-green);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

/* Skills */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.skill-category h3 {
  color: var(--text-green);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-display);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.skill-item {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-left: var(--spacing-sm);
  position: relative;
  transition: var(--transition);
}

.skill-item::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--text-green);
}

.skill-item:hover {
  color: var(--text-primary);
  padding-left: var(--spacing-md);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--text-green);
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Loading */
.loading {
  color: var(--text-green);
}

.loading::after {
  content: '';
  animation: dots 1.5s infinite;
}

@keyframes dots {

  0%,
  20% {
    content: '.';
  }

  40% {
    content: '..';
  }

  60%,
  100% {
    content: '...';
  }
}

/* Responsive */
@media (max-width: 768px) {
  body {
    font-size: 13px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Header Mobile */
  header {
    padding: var(--spacing-sm) 0;
  }

  .header-content {
    gap: var(--spacing-sm);
  }

  .logo {
    font-size: 0.9rem;
  }

  /* Hide navigation by default on mobile */
  nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  nav.nav-open {
    max-height: 300px;
    padding: var(--spacing-sm) 0;
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 0 var(--spacing-md);
  }

  nav li {
    width: 100%;
  }

  nav a {
    display: block;
    padding: var(--spacing-xs);
    font-size: 0.85rem;
    border-left: 2px solid var(--border-color);
    padding-left: var(--spacing-sm);
  }

  nav a:hover,
  nav a.active {
    border-left-color: var(--accent-green);
    background: var(--bg-secondary);
  }

  nav a::before {
    opacity: 1;
  }

  /* Mobile menu toggle */
  .mobile-menu-toggle {
    display: block;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-green);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    border-radius: 3px;
    transition: var(--transition);
  }

  .mobile-menu-toggle:hover {
    border-color: var(--accent-green);
    background: var(--bg-secondary);
  }

  /* Main */
  main {
    margin-top: 60px;
  }

  section {
    padding: var(--spacing-md) 0;
  }

  /* Terminal */
  .terminal-section {
    min-height: auto;
    padding: var(--spacing-xs) 0;
  }

  .terminal-container {
    border-radius: 4px;
  }

  .terminal-header {
    padding: var(--spacing-xs);
  }

  .terminal-button {
    width: 10px;
    height: 10px;
  }

  .terminal-title {
    font-size: 0.7rem;
  }

  .terminal-body {
    padding: var(--spacing-sm);
    height: 400px;
    font-size: 0.85rem;
  }

  .terminal-line {
    font-size: 0.85rem;
  }

  .intro-text {
    font-size: 0.85rem;
  }

  .command-suggestion {
    font-size: 0.75rem;
  }

  .command-suggestion code {
    padding: 1px 4px;
  }

  #terminal-input {
    font-size: 13px;
  }

  .response-text {
    margin-left: var(--spacing-sm);
    font-size: 0.85rem;
    line-height: 1.6;
  }

  /* Profile */
  .profile-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .profile-image-container {
    width: 150px;
    height: 150px;
    margin: 0 auto;
  }

  .profile-info {
    text-align: center;
  }

  .profile-info h1 {
    font-size: 1.5rem;
  }

  .profile-info h2 {
    font-size: 1rem;
  }

  .profile-info p {
    font-size: 0.9rem;
    text-align: left;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .contact-item {
    font-size: 0.85rem;
    padding: var(--spacing-xs) 0;
  }

  /* Section Headers */
  .section-header h2 {
    font-size: 1.3rem;
    padding-left: var(--spacing-sm);
  }

  /* Content Blocks */
  .content-block {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
  }

  .content-block h3 {
    font-size: 1rem;
  }

  .content-block h4 {
    font-size: 0.9rem;
  }

  .content-block .meta {
    font-size: 0.75rem;
  }

  .content-block p {
    font-size: 0.85rem;
    line-height: 1.6;
  }

  /* Tags */
  .tags {
    gap: 0.25rem;
  }

  .tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .skills-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* Skills */
  .skill-category h3 {
    font-size: 0.9rem;
  }

  .skill-item {
    font-size: 0.85rem;
  }

  /* Footer */
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer-links a {
    font-size: 0.85rem;
  }

  .footer-text {
    font-size: 0.75rem;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  body {
    font-size: 12px;
  }

  .logo {
    font-size: 0.85rem;
  }

  nav a {
    font-size: 0.8rem;
  }

  main {
    margin-top: 60px;
  }

  .terminal-body {
    height: 350px;
    font-size: 0.8rem;
  }

  .intro-text {
    font-size: 0.8rem;
  }

  .command-suggestion {
    font-size: 0.7rem;
  }

  #terminal-input {
    font-size: 12px;
  }

  .profile-info h1 {
    font-size: 1.3rem;
  }

  .profile-info h2 {
    font-size: 0.9rem;
  }

  .section-header h2 {
    font-size: 1.1rem;
  }

  .content-block h3 {
    font-size: 0.95rem;
  }

  .content-block h4 {
    font-size: 0.85rem;
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

/* Fade in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}