/* Custom CSS applied to all slides */
:root {
  --main-bg-color: #f5f5f5;
  --main-text-color: #333;
  --highlight-color: #4285f4;
  --accent-color: #ea4335;
  --secondary-color: #fbbc05;
  --tertiary-color: #34a853;
  --code-bg-color: #272822;
  --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  --font-family: 'Source Sans Pro', Helvetica, sans-serif;
}

body {
  background: var(--main-bg-color);
  color: var(--main-text-color);
  font-family: var(--font-family);
}

.reveal {
  font-family: var(--font-family);
  color: var(--main-text-color);
}

.reveal h1, 
.reveal h2, 
.reveal h3, 
.reveal h4 {
  font-family: var(--font-family);
  color: var(--highlight-color);
  margin-bottom: 0.5em;
}

.reveal h1 { font-size: 2em; }
.reveal h2 { font-size: 1.4em; }
.reveal h3 { font-size: 1em; }
.reveal h4 { font-size: 0.8em; }

.reveal p {
  margin-bottom: 1em;
  line-height: 1.5;
  font-size: 0.6em;
}

.reveal ul, 
.reveal ol {
  display: inline-block;
  text-align: left;
  margin: 0 0 0 1em;
  font-size: 0.6em;
}

.reveal li {
  margin: 0.5em 0;
  font-size: 1em; /* Keep relative size to parent ul/ol */
}

.reveal code {
  background-color: #f0f0f0;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: monospace;
  font-size: 0.6em;
}

/* Button styles */
.reveal button {
  background-color: var(--highlight-color);
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.reveal button:hover {
  background-color: #3b77db;
}

.reveal button:active {
  background-color: #2c5bb9;
}

/* Canvas styling */
.canvas-container {
  width: 80%;
  height: 400px;
  margin: 20px auto;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: #fff;
  box-shadow: var(--card-shadow);
}

/* Card styling for content */
.card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin: 20px auto;
  max-width: 80%;
  box-shadow: var(--card-shadow);
}

/* Module-specific styles */

/* For slide2 - Interactive elements */
.color-demo {
  padding: 20px;
  border-radius: 8px;
  margin: 15px auto;
  max-width: 80%;
  text-align: center;
  transition: color 0.5s ease;
}

/* For slide3 - Progressive reveal */
.fragment.highlight-current-blue {
  opacity: 1;
  visibility: inherit;
}

.fragment.highlight-current-blue.current-fragment {
  color: var(--highlight-color);
  font-weight: bold;
}

.bonus-content {
  background-color: rgba(66, 133, 244, 0.1);
  border-left: 4px solid var(--highlight-color);
  padding: 10px 20px;
  margin-top: 30px;
  border-radius: 0 4px 4px 0;
}

/* For slide4 - Chart styling */
.chart-container {
  width: 80%;
  height: 350px;
  margin: 0 auto;
  position: relative;
}

/* For slide5 - Three.js content */
#canvas-container {
  width: 80%;
  height: 350px;
  margin: 20px auto;
  position: relative;
  background-color: #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.controls-container {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 10px 0;
}

/* For slide6 - Flowchart */
.flowchart-container {
  width: 80%;
  height: 400px;
  margin: 20px auto;
  position: relative;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  padding: 20px;
}

.flowchart-node {
  position: absolute;
  background-color: white;
  border: 2px solid var(--highlight-color);
  border-radius: 8px;
  padding: 10px 15px;
  min-width: 100px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  z-index: 10;
  transition: transform 0.2s, box-shadow 0.2s;
}

.flowchart-node:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.flowchart-connection {
  position: absolute;
  z-index: 5;
}

.flowchart-arrow {
  fill: none;
  stroke: var(--highlight-color);
  stroke-width: 2;
  marker-end: url(#arrowhead);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .canvas-container, 
  .chart-container,
  #canvas-container,
  .flowchart-container {
    width: 95%;
    height: 300px;
  }
  
  .card {
    max-width: 95%;
    padding: 15px;
  }
}