/* Interactive Web Dev Tutorial Styles */
:root {
  --base-font-size: 16px;
  --content-max-width: 900px;
  --primary-color: #4285f4;
  --secondary-color: #34a853;
  --accent-color: #ea4335;
  --warning-color: #fbbc05;
  --dark-bg: #1a1a1a;
  --light-text: #ffffff;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.2);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* Loading Animation */
.loading-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--light-text);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  width: 0%;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(66, 133, 244, 0.5);
}

/* Main Content */
.markdown-section {
  max-width: var(--content-max-width);
  padding: 30px;
  line-height: 1.6;
}

.markdown-section h1 {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2.5em;
  margin-bottom: 1em;
  position: relative;
}

.markdown-section h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.markdown-section h2 {
  color: var(--primary-color);
  border-left: 4px solid var(--primary-color);
  padding-left: 15px;
  margin: 2em 0 1em 0;
}

.markdown-section h3 {
  color: var(--secondary-color);
  position: relative;
}

/* Interactive Code Blocks */
.markdown-section pre {
  position: relative;
  background: var(--dark-bg) !important;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-medium);
  transition: var(--transition);
  overflow: hidden;
}

.markdown-section pre:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--shadow-medium);
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  z-index: 10;
}

.copy-btn:hover {
  background: var(--secondary-color);
  transform: scale(1.05);
}

/* Demo Containers */
.demo-container {
  margin: 20px 0;
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  background: white;
}

.demo-preview {
  padding: 20px;
  background: #f8f9fa;
  border-top: 1px solid #e9ecef;
  min-height: 100px;
}

/* Interactive Elements */
.tooltip {
  position: relative;
  cursor: help;
  color: var(--primary-color);
  font-weight: 600;
  border-bottom: 1px dotted var(--primary-color);
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-bg);
  color: var(--light-text);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Sidebar Styling */
.sidebar {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  border-right: 1px solid #e9ecef;
}

.sidebar-nav a {
  transition: var(--transition);
  border-radius: 4px;
  margin: 2px 0;
}

.sidebar-nav a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.app-nav a {
  font-weight: 600;
  transition: var(--transition);
  padding: 8px 16px;
  border-radius: 20px;
}

.app-nav a:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.05);
}

/* Alert Boxes */
.alert {
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: var(--border-radius);
  border-left: 4px solid;
  position: relative;
  animation: slideIn 0.5s ease;
}

.alert-info {
  background: #e3f2fd;
  border-color: var(--primary-color);
  color: #0d47a1;
}

.alert-success {
  background: #e8f5e8;
  border-color: var(--secondary-color);
  color: #2e7d32;
}

.alert-warning {
  background: #fff3e0;
  border-color: var(--warning-color);
  color: #f57c00;
}

.alert-danger {
  background: #ffebee;
  border-color: var(--accent-color);
  color: #c62828;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Interactive Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  margin: 8px 4px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  text-align: center;
  box-shadow: 0 2px 10px var(--shadow-light);
}

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

.btn-success {
  background: var(--secondary-color);
  color: white;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--shadow-medium);
}

/* Code Editor Simulation */
.code-editor {
  background: #1e1e1e;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin: 20px 0;
  box-shadow: 0 4px 20px var(--shadow-medium);
}

.editor-header {
  background: #2d2d30;
  padding: 10px 15px;
  color: #cccccc;
  font-size: 12px;
  display: flex;
  align-items: center;
}

.editor-dots {
  display: flex;
  gap: 6px;
  margin-right: 15px;
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

/* Responsive Design */
@media (max-width: 768px) {
  .markdown-section {
    padding: 20px 15px;
  }
  
  .markdown-section h1 {
    font-size: 2em;
  }
  
  .tooltip::after {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    transform: none;
    text-align: center;
  }
}

/* Tab Styles */
.docsify-tabs__tab {
  background: var(--primary-color);
  color: white;
  border-radius: 4px 4px 0 0;
  transition: var(--transition);
}

.docsify-tabs__tab--active {
  background: var(--secondary-color);
}

/* Search Box Enhancement */
.search input {
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  padding: 10px 15px;
  transition: var(--transition);
}

.search input:focus {
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
  outline: none;
}