:root {
    --window-bg: #1e1e1e;
  --titlebar-bg: #323233;
  --titlebar-border: #404040;
  
    --traffic-red: #ff5f57;
  --traffic-red-hover: #ff4136;
  --traffic-yellow: #ffbd2e;
  --traffic-yellow-hover: #ffb000;
  --traffic-green: #28c840;
  --traffic-green-hover: #1fb835;
  
    --terminal-bg: #1a1b26;
  --terminal-text: #c0caf5;
  --terminal-dim: #565f89;
  --terminal-selection: rgba(154, 165, 206, 0.15);
  
    --prompt-user: #7aa2f7;
  --prompt-at: #565f89;
  --prompt-host: #9ece6a;
  --prompt-path: #bb9af7;
  --prompt-dollar: #c0caf5;
  
  --accent-cyan: #7dcfff;
  --accent-green: #9ece6a;
  --accent-yellow: #e0af68;
  --accent-orange: #ff9e64;
  --accent-red: #f7768e;
  --accent-magenta: #bb9af7;
  --accent-blue: #7aa2f7;
  --copy-kicker: #f3d9a6;
  --copy-text: rgba(192, 202, 245, 0.76);
  
    --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  --font-size-base: 14px;
  --line-height: 1.6;
  
    --window-radius: 10px;
  --window-shadow: 
    0 22px 70px 4px rgba(0, 0, 0, 0.56),
    0 0 0 1px rgba(0, 0, 0, 0.3),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background:
    radial-gradient(circle at top left, rgba(125, 207, 255, 0.2), transparent 28%),
    radial-gradient(circle at 80% 18%, rgba(187, 154, 247, 0.18), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(158, 206, 106, 0.12), transparent 30%),
    linear-gradient(145deg, #07111f 0%, #0f1a2e 45%, #090d18 100%);
  min-height: 100vh;
  padding: var(--spacing-md);
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
  isolation: isolate;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 88%);
  opacity: 0.22;
  pointer-events: none;
  z-index: -3;
}

.background-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.background-layer-grid {
  background:
    radial-gradient(circle at 20% 20%, rgba(125, 207, 255, 0.12), transparent 18%),
    radial-gradient(circle at 82% 22%, rgba(255, 158, 100, 0.12), transparent 16%),
    radial-gradient(circle at 50% 78%, rgba(187, 154, 247, 0.1), transparent 24%);
  filter: blur(18px);
  opacity: 0.95;
  z-index: -2;
}

.background-layer-glow {
  inset: 10vh 12vw auto;
  height: 70vh;
  border-radius: 999px;
  background:
    radial-gradient(circle at center, rgba(13, 17, 31, 0) 0%, rgba(13, 17, 31, 0.22) 48%, rgba(13, 17, 31, 0.82) 100%);
  filter: blur(36px);
  opacity: 0.9;
  z-index: -1;
}

.site-shell {
  width: 100%;
  min-height: calc(100vh - (var(--spacing-md) * 2));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.desktop {
  width: 100%;
  max-width: 900px;
  animation: windowFadeIn 0.6s ease-out;
  position: relative;
}

@keyframes windowFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.macos-window {
  background: linear-gradient(180deg, rgba(30, 30, 30, 0.95), rgba(20, 21, 31, 0.94));
  border-radius: var(--window-radius);
  box-shadow: var(--window-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  min-height: 500px;
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.window-titlebar {
  background: var(--titlebar-bg);
  border-bottom: 1px solid var(--titlebar-border);
  padding: 0 var(--spacing-md);
  height: 38px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  user-select: none;
}

.traffic-lights {
  display: flex;
  gap: 8px;
  padding-right: var(--spacing-md);
}

.traffic-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  position: relative;
}

.traffic-light .traffic-icon {
  width: 8px;
  height: 8px;
  opacity: 0;
  transition: opacity 0.15s ease;
  color: rgba(0, 0, 0, 0.5);
}

.traffic-lights:hover .traffic-icon {
  opacity: 1;
}

.traffic-light.red {
  background: var(--traffic-red);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.traffic-light.red:hover {
  background: var(--traffic-red-hover);
}

.traffic-light.yellow {
  background: var(--traffic-yellow);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.traffic-light.yellow:hover {
  background: var(--traffic-yellow-hover);
}

.traffic-light.green {
  background: var(--traffic-green);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.traffic-light.green:hover {
  background: var(--traffic-green-hover);
}

.traffic-light:active {
  transform: scale(0.9);
}

.window-title {
  flex: 1;
  text-align: center;
  font-size: 13px;
  color: #a9aeb8;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.window-spacer {
  width: 52px;
}

.terminal {
  background:
    linear-gradient(180deg, rgba(17, 19, 31, 0.98), rgba(12, 14, 24, 0.98)),
    var(--terminal-bg);
  flex: 1;
  display: flex;
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  overflow: hidden;
}

.terminal-output {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  scroll-behavior: smooth;
}

.terminal-history {
  min-height: min-content;
}

.terminal-output::-webkit-scrollbar {
  width: 8px;
}

.terminal-output::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-output::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.terminal-output::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.terminal-input-line {
  display: flex;
  align-items: center;
  padding-top: var(--spacing-sm);
}

.prompt {
  white-space: nowrap;
  margin-right: var(--spacing-sm);
}

.prompt-user {
  color: var(--prompt-user);
  font-weight: 500;
}

.prompt-at {
  color: var(--prompt-at);
}

.prompt-host {
  color: var(--prompt-host);
  font-weight: 500;
}

.prompt-separator {
  color: var(--prompt-at);
}

.prompt-path {
  color: #ffffff;
  font-weight: 500;
}

.prompt-dollar {
  color: var(--prompt-dollar);
  margin-left: 2px;
}

.input-wrapper {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
  align-items: center;
}

.autocomplete-ghost {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  color: var(--terminal-dim);
  opacity: 0.7;
  pointer-events: none;
  white-space: pre;
}

.command-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--terminal-text);
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  width: 100%;
  caret-color: transparent;
  position: relative;
  z-index: 1;
}

.cursor {
  width: 8px;
  height: 18px;
  background: var(--terminal-text);
  display: inline-block;
  animation: blink 1s step-end infinite;
  position: absolute;
  left: 0;
  pointer-events: none;
  opacity: 0.8;
  z-index: 2;
}

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

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

.output-block:last-child {
  margin-bottom: var(--spacing-sm);
}

.output-command-line {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.output-command {
  color: var(--terminal-text);
}

.output-content {
  color: var(--terminal-text);
  padding-left: 2px;
}

.output-content p {
  margin-bottom: var(--spacing-sm);
}

.output-content p:last-child {
  margin-bottom: 0;
}

.welcome-block {
  margin-bottom: var(--spacing-lg);
}

.welcome-ascii {
  color: var(--accent-cyan);
  font-size: 11px;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  white-space: pre;
  overflow-x: auto;
}

.welcome-text {
  color: var(--terminal-dim);
  margin-bottom: var(--spacing-sm);
}

.welcome-text .highlight {
  color: var(--accent-green);
  font-weight: 500;
}

.welcome-hint {
  color: var(--terminal-dim);
}

.welcome-hint code {
  color: var(--accent-yellow);
  background: rgba(224, 175, 104, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
}

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

.help-item {
  display: flex;
  gap: var(--spacing-md);
}

.help-command {
  color: var(--accent-green);
  min-width: 120px;
  font-weight: 500;
}

.help-description {
  color: var(--terminal-dim);
}

.echo-panel {
  position: relative;
  margin-top: var(--spacing-sm);
  padding: 18px 20px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(158, 206, 106, 0.08), rgba(125, 207, 255, 0.08)),
    rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(158, 206, 106, 0.16);
  overflow: hidden;
}

.echo-panel::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-green), var(--accent-cyan));
}

.echo-panel-status {
  border-color: rgba(125, 207, 255, 0.18);
}

.echo-panel-success {
  border-color: rgba(158, 206, 106, 0.22);
}

.echo-panel-error {
  border-color: rgba(247, 118, 142, 0.24);
  background:
    linear-gradient(135deg, rgba(247, 118, 142, 0.08), rgba(125, 207, 255, 0.05)),
    rgba(255, 255, 255, 0.025);
}

.echo-kicker {
  color: var(--copy-kicker);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.echo-title {
  color: var(--terminal-text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.echo-step {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.echo-step-count {
  color: var(--accent-cyan);
  font-weight: 600;
}

.echo-step-label {
  color: var(--terminal-text);
  font-weight: 600;
  text-transform: lowercase;
}

.echo-badge {
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.echo-badge-required {
  color: var(--accent-yellow);
  background: rgba(224, 175, 104, 0.12);
  border: 1px solid rgba(224, 175, 104, 0.24);
}

.echo-badge-optional {
  color: var(--accent-cyan);
  background: rgba(125, 207, 255, 0.12);
  border: 1px solid rgba(125, 207, 255, 0.24);
}

.echo-copy {
  color: var(--copy-text);
  line-height: 1.8;
}

.echo-copy + .echo-copy {
  margin-top: 8px;
}

.echo-feedback {
  margin-bottom: 10px;
}

.echo-panel code {
  color: var(--accent-yellow);
  background: rgba(224, 175, 104, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
}

.skills-profile {
  position: relative;
  margin-bottom: var(--spacing-lg);
  padding: 18px 20px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(125, 207, 255, 0.1), rgba(187, 154, 247, 0.06)),
    rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(125, 207, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.skills-profile::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-magenta));
}

.skills-profile-kicker {
  color: var(--copy-kicker);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.skills-profile-title {
  color: var(--terminal-text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.skills-profile-summary {
  color: var(--copy-text);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.skills-profile-highlights {
  display: grid;
  gap: 10px;
}

.skills-profile-item {
  position: relative;
  color: var(--terminal-text);
  line-height: 1.7;
  padding-left: 18px;
}

.skills-profile-item::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

.skills-section {
  margin-bottom: var(--spacing-md);
}

.skills-title {
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.skills-title::before {
  content: '▸';
  color: var(--accent-magenta);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

.skill-tag {
  color: var(--terminal-text);
  background: rgba(122, 162, 247, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 13px;
  border: 1px solid rgba(122, 162, 247, 0.2);
  transition: all 0.2s ease;
}

.skill-tag:hover {
  background: rgba(122, 162, 247, 0.2);
  border-color: rgba(122, 162, 247, 0.4);
}

.skills-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: var(--spacing-sm);
  border-radius: 6px;
  transition: all 0.2s ease;
  cursor: default;
}

.skill-icon:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.skill-icon svg {
  width: 28px;
  height: 28px;
}

.skill-icon span {
  font-size: 10px;
  color: var(--terminal-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-label {
  color: var(--accent-magenta);
  min-width: 100px;
  font-weight: 500;
}

.contact-value {
  color: var(--terminal-text);
}

.contact-value a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-value a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

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

.project-item {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s ease;
}

.project-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.project-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.project-name {
  color: var(--accent-green);
  font-weight: 600;
  font-size: 15px;
}

.project-description {
  color: var(--terminal-dim);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--spacing-sm);
}

.project-tech-tag {
  font-size: 11px;
  color: var(--accent-yellow);
  background: rgba(224, 175, 104, 0.1);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid rgba(224, 175, 104, 0.2);
}

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.project-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}

.project-link:hover {
  color: var(--accent-blue);
}

.project-link::before {
  content: '→';
  color: var(--accent-magenta);
}

.projects-loading {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(125, 207, 255, 0.14);
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(125, 207, 255, 0.08), rgba(187, 154, 247, 0.06)),
    rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.projects-loading-bar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.projects-loading-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(125, 207, 255, 0.45);
  animation: projectsLoadingPulse 0.9s ease-in-out infinite;
}

.projects-loading-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.projects-loading-dot:nth-child(3) {
  animation-delay: 0.3s;
}

.projects-loading-text {
  color: var(--accent-cyan);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.error-message {
  color: var(--accent-red);
}

.page-copy {
  width: min(900px, 100%);
  padding: 0 var(--spacing-sm);
  text-align: center;
  animation: fadeIn 0.8s ease-out;
}

.page-copy-kicker {
  color: var(--copy-kicker);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-copy-text {
  max-width: 700px;
  margin: 0 auto;
  color: var(--copy-text);
  font-size: 13px;
  line-height: 1.8;
}

@media (max-width: 768px) {
  body {
    padding: var(--spacing-sm);
    padding-top: var(--spacing-lg);
  }

  body::before {
    background-size: 48px 48px;
    opacity: 0.16;
  }

  .site-shell {
    min-height: calc(100vh - (var(--spacing-sm) * 2));
    justify-content: flex-start;
    gap: var(--spacing-lg);
  }
  
  .macos-window {
    max-height: calc(100vh - 48px);
    min-height: 400px;
    border-radius: 8px;
  }
  
  .window-titlebar {
    height: 32px;
    padding: 0 var(--spacing-sm);
  }
  
  .traffic-light {
    width: 10px;
    height: 10px;
  }
  
  .traffic-lights {
    gap: 6px;
  }
  
  .window-title {
    font-size: 12px;
  }
  
  .terminal {
    font-size: 13px;
  }
  
  .terminal-output,
  .terminal-input-line {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  
  .welcome-ascii {
    font-size: 8px;
  }
  
  .help-item {
    flex-direction: column;
    gap: 2px;
  }
  
  .help-command {
    min-width: auto;
  }
  
  .contact-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  
  .contact-label {
    min-width: auto;
  }
  
  .skills-icons {
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .skills-profile {
    padding: 16px;
  }

  .echo-panel {
    padding: 16px;
  }

  .echo-title {
    font-size: 16px;
  }

  .skills-profile-title {
    font-size: 16px;
  }
  
  .skill-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .skill-icon span {
    font-size: 9px;
  }

  .page-copy {
    padding-bottom: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .prompt {
    font-size: 12px;
  }
  
  .welcome-ascii {
    display: none;
  }
  
  .project-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .page-copy-kicker {
    font-size: 11px;
    letter-spacing: 0.14em;
  }

  .page-copy-text {
    font-size: 12px;
    line-height: 1.7;
  }

  .skills-profile-summary,
  .skills-profile-item,
  .echo-copy {
    font-size: 13px;
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes projectsLoadingPulse {
  0%,
  80%,
  100% {
    opacity: 0.32;
    transform: translateY(0) scale(0.88);
  }
  40% {
    opacity: 1;
    transform: translateY(-1px) scale(1.08);
  }
}

.terminal:focus-within {
  outline: none;
}

.command-input:focus {
  outline: none;
}

::selection {
  background: var(--terminal-selection);
}