:root {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --link-color: #bb86fc;
  --accent-color: #03dac6;
  --header-bg: #1f1f1f;
  --footer-bg: #1f1f1f;
  --border-color: #333;
}

[data-theme="light"] {
  --bg-color: #ffffff;
  --text-color: #121212;
  --link-color: #007bff;
  --accent-color: #0056b3;
  --header-bg: #f8f9fa;
  --footer-bg: #f8f9fa;
  --border-color: #ddd;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.site-header {
  background-color: var(--header-bg);
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.site-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-color);
}

.site-nav {
  float: right;
}

.site-nav .page-link {
  margin-left: 15px;
  color: var(--text-color);
}

.site-footer {
  background-color: var(--footer-bg);
  padding: 20px 0;
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.9rem;
}

/* Posts */
.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.post-meta {
  color: #888;
  font-size: 0.9rem;
}

.post-excerpt {
  margin-top: 10px;
}

.read-more {
  display: inline-block;
  margin-top: 10px;
  font-weight: bold;
}

/* Archive */
.archive h2 {
  margin-top: 30px;
  border-bottom: 1px solid var(--border-color);
}

/* Toggle Button */
#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  margin-left: 15px;
}

@media (max-width: 600px) {
  .site-nav {
    float: none;
    margin-top: 10px;
    display: block;
  }

  .site-nav .page-link {
    margin-left: 0;
    margin-right: 15px;
  }
}