/* Dark Mode Theme for EECS 118 */

/* Prevent horizontal scroll */
html {
  overflow-x: hidden;
  width: 100%;
}

body {
  background-color: #1a1a1a;
  color: #e0e0e0;
  padding: 2rem;
  line-height: 1.6;
  max-width: 1180px;
  margin: 0 auto;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

/* Headings with green theme */
h1 {
  color: #ccffcc;
  border-bottom: 3px solid #99ff99;
  padding-bottom: 0.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

h2 {
  color: #b3ffb3;
  border-bottom: 2px solid #77dd77;
  padding-bottom: 0.4rem;
  margin-top: 1.8rem;
  margin-bottom: 0.9rem;
  font-weight: 600;
}

h3 {
  color: #99ff99;
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

h4,
h5,
h6 {
  color: #88ee88;
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
}

/* Strong/Bold text with coral/red */
strong,
b {
  color: #ff9977;
  font-weight: 600;
}

/* Emphasis */
em,
i {
  color: #aaddff;
  font-style: italic;
}

/* Links */
a {
  color: #66ccff;
  text-decoration: none;
  border-bottom: 1px solid #66ccff44;
  transition: all 0.2s ease;
}

a:hover {
  color: #88ddff;
  border-bottom-color: #88ddff;
}

/* Code blocks */
code {
  background-color: #2a2a2a;
  color: #ff9977;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
}

pre {
  background-color: #252525;
  border-left: 4px solid #ccffcc;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1rem 0;
}

pre code {
  background-color: transparent;
  color: #e0e0e0;
  padding: 0;
}

/* Lists */
ul,
ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

ul li,
ol li {
  margin: 0.0rem 0;
}

ul li::marker,
ol li::marker {
  color: #99ff99;
}

/* Nested lists */
ul ul,
ol ol,
ul ol,
ol ul {
  margin: 0.3rem 0;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid #ff9977;
  padding-left: 1rem;
  margin: 1rem 0;
  color: #c0c0c0;
  font-style: italic;
  background-color: #222222;
  padding: 1rem;
  border-radius: 4px;
}

/* Horizontal rules */
hr {
  border: none;
  border-top: 2px solid #444444;
  margin: 2rem 0;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  background-color: #222222;
  overflow-x: auto;
  display: block;
}

table th,
table td {
  border: 1px solid #444444;
  padding: 0.75rem;
  text-align: left;
}

table th {
  background-color: #2a2a2a;
  color: #ccffcc;
  font-weight: 600;
}

table tr:nth-child(even) {
  background-color: #252525;
}

table tr:hover {
  background-color: #2d2d2d;
}

/* Paragraphs */
p {
  margin: 1rem 0;
}

/* Special highlighting for "Bridge note" */
p strong:first-child {
  color: #ffaa66;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem 0;
}

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 10px;
  right: 10px;
  background-color: #2a2a2a;
  color: #e0e0e0;
  border: 2px solid #99ff99;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  z-index: 1000;
}

.theme-toggle:hover {
  background-color: #99ff99;
  color: #1a1a1a;
}

/* Make images clickable */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem 0;
  cursor: pointer;
  transition: opacity 0.2s;
}

img:hover {
  opacity: 0.9;
}

/* Responsive design for mobile */
@media (max-width: 768px) {
  html,
  body {
    overflow-x: hidden;
    max-width: 100vw;
  }
  
  body {
    padding: 1rem;
    font-size: 0.95rem;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.3rem;
  }
  
  h3 {
    font-size: 1.1rem;
  }
  
  .theme-toggle {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
  
  pre {
    padding: 0.75rem;
    font-size: 0.85rem;
  }
  
  table {
    font-size: 0.85rem;
  }
  
  table th,
  table td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
  
  h1 {
    font-size: 1.3rem;
  }
  
  h2 {
    font-size: 1.15rem;
  }
  
  .theme-toggle {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
  }
}