/* Terminal-inspired theme variables */
:root {
  --deep-black: #080808;
  --neon-green: #00FF66;
  --gold: #FFDD44;
  --bright-cyan: #00A3E0;
  --bright-red: #D72638;
  --light-text: #EEEEEE;
}

/* Terminal-inspired theme */
body {
  background-color: var(--deep-black);
  color: var(--light-text);
  font-family: 'JetBrains Mono', monospace;
}

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

::-webkit-scrollbar-track {
  background: rgba(20, 20, 20, 0.8);
}

::-webkit-scrollbar-thumb {
  background: var(--bright-cyan);
  border-radius: 5px;
}

/* Terminal-style text */
.terminal-text {
  color: var(--neon-green);
  font-family: 'JetBrains Mono', monospace;
}

/* Glassmorphism panels */
.glass-panel {
  background: rgba(20, 20, 20, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Tab interface styling */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-btn {
  background: transparent;
  color: var(--light-text);
  padding: 0.75rem 1.5rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
  cursor: pointer;
}

.tab-btn.active {
  border-color: var(--neon-green);
  color: var(--neon-green);
}

/* Simulated terminal window */
.terminal-window {
  background-color: rgba(0, 0, 0, 0.8);
  border-radius: 0.5rem;
  padding: 1rem;
  box-shadow: 0 0 15px rgba(0, 200, 100, 0.15);
  position: relative;
}

.terminal-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 6px;
}

.close-btn { background-color: #ff5f56; }
.minimize-btn { background-color: #ffbd2e; }
.maximize-btn { background-color: #27c93f; }

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

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

/* Navigation styles */
nav a {
  color: var(--light-text);
  transition: color 0.2s;
}

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

/* Keyboard key styling */
.kbd-key {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
  color: var(--light-text);
  display: inline-block;
  font-size: 0.85em;
  font-weight: 600;
  line-height: 1;
  padding: 3px 6px;
  margin: 0 2px;
}

/* Command highlight */
.command {
  color: var(--bright-cyan);
  font-weight: 600;
}

/* Code blocks */
.code-block {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0;
  overflow-x: auto;
  border-left: 3px solid var(--bright-cyan);
}

/* Keyboard interaction styles */
.key {
  transition: all 0.2s ease;
}

.key:hover {
  background-color: var(--bright-cyan);
  color: var(--deep-black);
  transform: translateY(-2px);
}

.highlight-key {
  border: 1px solid var(--neon-green);
}

/* Light mode styles */
.light-mode {
  background-color: #f0f0f0;
  color: #222;
}

.light-mode .glass-panel {
  background: rgba(240, 240, 240, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.light-mode .terminal-text {
  color: #008844;
}

.light-mode nav a {
  color: #333;
}

.light-mode nav a:hover,
.light-mode nav a.active {
  color: var(--bright-cyan);
}

.light-mode .terminal-window {
  background-color: #333;
  color: white;
}

.light-mode .code-block {
  background-color: #eee;
  color: #333;
  border-left: 3px solid var(--bright-cyan);
}

.light-mode .kbd-key {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.2);
  color: #333;
}

.light-mode .command {
  color: #0077aa;
}

/* Responsive styles */
@media (max-width: 768px) {
  .tab-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .code-block {
    padding: 0.75rem;
    font-size: 0.9rem;
  }

  .kbd-key {
    padding: 2px 4px;
    font-size: 0.8em;
  }
}

/* Vim cursor and highlighting */
.vim-cursor {
  background-color: var(--neon-green);
  color: var(--deep-black);
  display: inline-block;
  position: relative;
}

/* Improved tooltip styles */
#key-tooltip {
  position: absolute;
  z-index: 100;
  pointer-events: none;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--light-text);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--bright-cyan);
  box-shadow: 0 2px 12px rgba(0, 255, 102, 0.4);
  max-width: 200px;
  white-space: nowrap;
  transition: opacity 0.15s ease;
  opacity: 0.95;
}

/* Animation for typing effect */
@keyframes typing {
  from { width: 0 }
  to { width: 100% }
}

/* CSS classes for interactive elements */
.interactive-demo {
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.interactive-demo:hover {
  transform: scale(1.01);
  box-shadow: 0 0 20px rgba(0, 255, 102, 0.2);
}

/* Key hover effects */
.key {
  transition: all 0.2s ease;
  position: relative;
  cursor: pointer;
}

.key:hover {
  background-color: var(--bright-cyan);
  color: var(--deep-black);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 255, 102, 0.3);
}

.highlight-key {
  border: 1px solid var(--neon-green);
}

/* Focus styles for accessibility */
a:focus, button:focus, [tabindex="0"]:focus {
  outline: 2px solid var(--bright-cyan);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  body {
    background-color: white;
    color: black;
  }

  .terminal-window, .glass-panel {
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .kbd-key {
    border: 1px solid #ccc;
    background: #f0f0f0;
    color: black;
  }

  header, footer, nav, .interactive-demo {
    display: none;
  }
}