/* VSCode Dark Theme Colors */
:root {
  --vscode-bg: #1e1e1e;
  --vscode-sidebar: #252526;
  --vscode-activitybar: #333333;
  --vscode-tab-active: #1e1e1e;
  --vscode-tab-inactive: #2d2d2d;
  --vscode-titlebar: #3c3c3c;
  --vscode-border: #3c3c3c;
  --vscode-text: #d4d4d4;
  --vscode-text-muted: #808080;
  --vscode-accent: #007acc;
  --vscode-green: #4ec9b0;
  --vscode-yellow: #dcdcaa;
  --vscode-orange: #ce9178;
  --vscode-comment: #6a9955;
  --vscode-purple: #c586c0;
  --vscode-blue: #569cd6;
  --vscode-lightblue: #9cdcfe;
  --vscode-red: #f14c4c;
  --vscode-scrollbar: #424242;
  --vscode-selection: #264f78;
  --vscode-line-highlight: #2a2d2e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--vscode-bg);
  color: var(--vscode-text);
  line-height: 1.6;
  overflow-x: hidden;
}

code, .code-font {
  font-family: 'Fira Code', 'Consolas', 'Monaco', 'Menlo', monospace;
}

/* VSCode Window Frame */
.vscode-window {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Title Bar */
.titlebar {
  background: var(--vscode-titlebar);
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  border-bottom: 1px solid var(--vscode-border);
  user-select: none;
}

.titlebar-traffic-lights {
  display: flex;
  gap: 8px;
}

.traffic-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.traffic-light.red { background: #ff5f56; }
.traffic-light.yellow { background: #ffbd2e; }
.traffic-light.green { background: #27c93f; }

.titlebar-title {
  font-size: 13px;
  color: var(--vscode-text-muted);
}

.titlebar-actions {
  width: 70px;
}

/* Main Layout */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Activity Bar */
.activity-bar {
  width: 48px;
  background: var(--vscode-activitybar);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
  flex-shrink: 0;
}

.activity-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--vscode-text-muted);
  transition: color 0.2s;
  position: relative;
}

.activity-icon:hover,
.activity-icon.active {
  color: var(--vscode-text);
}

.activity-icon.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--vscode-text);
}

.activity-icon svg {
  width: 24px;
  height: 24px;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--vscode-sidebar);
  border-right: 1px solid var(--vscode-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--vscode-text-muted);
}

.file-tree {
  padding: 0 10px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
  transition: background 0.1s;
}

.file-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.file-item.active {
  background: var(--vscode-selection);
}

.file-item.folder {
  color: var(--vscode-yellow);
}

.file-item .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.file-item .icon.ts { color: var(--vscode-blue); }
.file-item .icon.json { color: var(--vscode-yellow); }
.file-item .icon.md { color: var(--vscode-lightblue); }

/* Editor Area */
.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Tab Bar */
.tab-bar {
  display: flex;
  background: var(--vscode-tab-inactive);
  border-bottom: 1px solid var(--vscode-border);
  overflow-x: auto;
}

.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 13px;
  cursor: pointer;
  border-right: 1px solid var(--vscode-border);
  background: var(--vscode-tab-inactive);
  color: var(--vscode-text-muted);
  transition: all 0.1s;
  white-space: nowrap;
}

.tab:hover {
  background: var(--vscode-line-highlight);
}

.tab.active {
  background: var(--vscode-tab-active);
  color: var(--vscode-text);
  border-bottom: 1px solid var(--vscode-tab-active);
  margin-bottom: -1px;
}

.tab-icon {
  width: 14px;
  height: 14px;
}

.tab-close {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.1s;
}

.tab:hover .tab-close {
  opacity: 0.5;
}

.tab-close:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1 !important;
}

/* Editor Content */
.editor-content {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

.editor-scroll {
  min-height: 100%;
}

/* Breadcrumb */
.breadcrumb {
  padding: 4px 20px;
  font-size: 12px;
  color: var(--vscode-text-muted);
  background: var(--vscode-bg);
  border-bottom: 1px solid var(--vscode-border);
}

.breadcrumb span {
  cursor: pointer;
}

.breadcrumb span:hover {
  color: var(--vscode-text);
}

/* Code Editor */
.code-editor {
  display: flex;
  font-family: 'Fira Code', monospace;
  font-size: 14px;
  line-height: 1.5;
}

.line-numbers {
  padding: 20px 10px;
  text-align: right;
  color: var(--vscode-text-muted);
  user-select: none;
  background: var(--vscode-bg);
  position: sticky;
  left: 0;
}

.line-number {
  padding-right: 20px;
}

.code-content {
  padding: 20px 0;
  flex: 1;
  white-space: pre;
  overflow-x: auto;
}

.code-line {
  padding: 0 20px;
  min-height: 21px;
}

.code-line:hover {
  background: var(--vscode-line-highlight);
}

/* Syntax Highlighting */
.keyword { color: var(--vscode-purple); }
.type { color: var(--vscode-green); }
.function { color: var(--vscode-yellow); }
.string { color: var(--vscode-orange); }
.comment { color: var(--vscode-comment); font-style: italic; }
.number { color: var(--vscode-lightblue); }
.variable { color: var(--vscode-lightblue); }
.operator { color: var(--vscode-text); }
.property { color: var(--vscode-lightblue); }
.const { color: var(--vscode-blue); }

/* Hero Section */
.hero-section {
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: calc(100vh - 150px);
  justify-content: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 122, 204, 0.15);
  border: 1px solid var(--vscode-accent);
  border-radius: 20px;
  font-size: 12px;
  color: var(--vscode-accent);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--vscode-text), var(--vscode-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--vscode-text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--vscode-accent);
  color: white;
}

.btn-primary:hover {
  background: #0098ff;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--vscode-text);
  border: 1px solid var(--vscode-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Interactive Demo */
.demo-container {
  width: 100%;
  max-width: 900px;
  background: var(--vscode-sidebar);
  border-radius: 8px;
  border: 1px solid var(--vscode-border);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.demo-titlebar {
  background: var(--vscode-titlebar);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--vscode-border);
}

.demo-dots {
  display: flex;
  gap: 6px;
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.demo-dot.red { background: #ff5f56; }
.demo-dot.yellow { background: #ffbd2e; }
.demo-dot.green { background: #27c93f; }

.demo-title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--vscode-text-muted);
}

.demo-tabs {
  display: flex;
  background: var(--vscode-tab-inactive);
  border-bottom: 1px solid var(--vscode-border);
}

.demo-tab {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--vscode-text-muted);
  background: var(--vscode-tab-inactive);
  border-right: 1px solid var(--vscode-border);
}

.demo-tab.active {
  background: var(--vscode-bg);
  color: var(--vscode-text);
  border-bottom: 1px solid var(--vscode-bg);
  margin-bottom: -1px;
}

.demo-editor {
  display: flex;
  background: var(--vscode-bg);
  min-height: 300px;
}

.demo-line-numbers {
  padding: 16px 12px;
  background: var(--vscode-bg);
  color: var(--vscode-text-muted);
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.6;
  text-align: right;
  user-select: none;
}

.demo-code-area {
  flex: 1;
  padding: 16px 20px;
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.6;
}

.demo-stats {
  display: flex;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--vscode-sidebar);
  border-top: 1px solid var(--vscode-border);
  font-size: 12px;
}

.demo-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--vscode-text-muted);
}

.demo-stat-value {
  color: var(--vscode-text);
  font-weight: 600;
}

.demo-stat-value.wpm { color: var(--vscode-green); }
.demo-stat-value.accuracy { color: var(--vscode-blue); }

/* Typing Demo Styles */
.typing-text {
  position: relative;
}

.typing-char {
  transition: color 0.1s;
}

.typing-char.untyped {
  color: var(--vscode-text-muted);
}

.typing-char.correct {
  color: var(--vscode-text);
}

.typing-char.incorrect {
  color: var(--vscode-red);
  background: rgba(241, 76, 76, 0.2);
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--vscode-accent);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: -1px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Section Styling */
.section {
  padding: 100px 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 122, 204, 0.15);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--vscode-accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--vscode-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--vscode-sidebar);
  border: 1px solid var(--vscode-border);
  border-radius: 8px;
  padding: 32px;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--vscode-accent);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 122, 204, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--vscode-accent);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-description {
  color: var(--vscode-text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.feature-pun {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--vscode-border);
  font-size: 13px;
  color: var(--vscode-comment);
  font-style: italic;
}

/* Puns Section */
.puns-section {
  background: var(--vscode-sidebar);
}

.puns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.pun-card {
  background: var(--vscode-bg);
  border: 1px solid var(--vscode-border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.pun-emoji {
  font-size: 32px;
  margin-bottom: 12px;
}

.pun-text {
  color: var(--vscode-text);
  font-size: 15px;
}

.pun-text span {
  color: var(--vscode-green);
  font-weight: 500;
}

/* Download Section */
.download-section {
  background: linear-gradient(135deg, var(--vscode-sidebar) 0%, var(--vscode-bg) 100%);
}

.download-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.download-options {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
}

.download-card {
  background: var(--vscode-bg);
  border: 1px solid var(--vscode-border);
  border-radius: 12px;
  padding: 32px 40px;
  min-width: 280px;
  transition: all 0.3s;
}

.download-card:hover {
  border-color: var(--vscode-accent);
  transform: translateY(-4px);
}

.download-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--vscode-accent);
}

.download-card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.download-card-subtitle {
  color: var(--vscode-text-muted);
  font-size: 14px;
  margin-bottom: 20px;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--vscode-border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--vscode-sidebar);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--vscode-text-muted);
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 24px 20px;
  color: var(--vscode-text-muted);
  line-height: 1.7;
}

.faq-answer-content code {
  background: var(--vscode-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--vscode-orange);
}

/* Footer */
.footer {
  background: var(--vscode-sidebar);
  border-top: 1px solid var(--vscode-border);
  padding: 60px 40px 30px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  color: var(--vscode-accent);
}

.footer-tagline {
  color: var(--vscode-text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--vscode-text);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--vscode-text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--vscode-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--vscode-text-muted);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--vscode-text-muted);
  transition: color 0.2s;
}

.footer-social a:hover {
  color: var(--vscode-text);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

/* Status Bar (Footer bar like VSCode) */
.status-bar {
  background: var(--vscode-accent);
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 12px;
  color: white;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 0 5px;
}

.status-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--vscode-scrollbar);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: #5a5a5a;
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .activity-bar {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .titlebar {
    display: none;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 60px 20px;
  }

  .section-title {
    font-size: 32px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .demo-container {
    border-radius: 0;
  }
}

/* Mini Map Effect */
.minimap {
  position: absolute;
  right: 0;
  top: 0;
  width: 80px;
  background: var(--vscode-bg);
  opacity: 0.7;
  padding: 10px;
  font-size: 2px;
  line-height: 1.3;
  color: var(--vscode-text-muted);
  overflow: hidden;
  height: 100%;
  display: none;
}

@media (min-width: 1200px) {
  .minimap {
    display: block;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Glow Effect */
.glow {
  box-shadow: 0 0 40px rgba(0, 122, 204, 0.3);
}