body{
  margin:40px auto;
  max-width:650px;
  line-height:1.6;
  font-size:18px;
  background-color: #fefefe;
  color:#333;
  padding:0 10px
}

h1,h2,h3{
  line-height:1.2
}

h4 {
  margin-top: 2em;
  margin-bottom: 0.5em;
  color: #555;
  font-weight: normal;
  font-size: 1em;
  letter-spacing: 0.05em;
}

.dark-mode {
  background-color: #1a1a1a;
  color: #e8e8e8;
}

.dark-mode h4 {
  color: #aaa;
}

.entry {
  margin-bottom: 2.5em;
  padding-bottom: 1.5em;
  border-bottom: 1px solid #e0e0e0;
}

.entry:last-of-type {
  border-bottom: none;
}

.dark-mode .entry {
  border-bottom-color: #404040;
}

hr {
  border: none;
  border-top: 2px solid #d0d0d0;
  margin: 3em 0;
}

.dark-mode hr {
  border-top-color: #505050;
}

body, h4, .entry {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

code {
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.95em;
  color: #333;
}

.dark-mode code {
  background: #2a2a2a;
  color: #e8e8e8;
}

td, th {
  border: 1px solid #ccc;
  padding: 8px;
}

th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background: #f8f8f8;
}

.dark-mode td,
.dark-mode th {
  border-color: #444;
}

.dark-mode th {
  background: #252525;
}

caption {
  font-size: 1.1em;
  margin-bottom: 0.5em;
  font-weight: 600;
  color: #555;
}

.dark-mode caption {
  color: #aaa;
}

#darkModeToggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10;
    background: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1.2em;
    transition: border-color 0.3s ease;
}

#darkModeToggle:hover {
    border-color: #888;
}

.dark-mode #darkModeToggle {
    border-color: #666;
}

.dark-mode #darkModeToggle:hover {
    border-color: #aaa;
}