/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Base */
body {
  font-family: "Droid Serif", Georgia, serif;
  font-size: 17px;
  line-height: 1.7;
  color: #333;
  background: #fff;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: #268bd2; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  padding: 30px 0;
  border-bottom: 1px solid #eee;
  margin-bottom: 40px;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 24px;
  font-weight: bold;
  color: #333;
}

.site-title:hover { text-decoration: none; color: #268bd2; }

nav a {
  margin-left: 20px;
  color: #666;
  font-size: 15px;
}

nav a:hover { color: #268bd2; }

/* Main content */
main { padding-bottom: 60px; }

/* Post list (index) */
.post-list { list-style: none; }

.post-list li {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #f0f0f0;
}

.post-list li:last-child { border-bottom: none; }

.post-list .post-title {
  font-size: 22px;
  margin-bottom: 5px;
}

.post-list .post-title a { color: #333; }
.post-list .post-title a:hover { color: #268bd2; text-decoration: none; }

.post-list .post-date {
  color: #999;
  font-size: 14px;
}

.post-list .post-excerpt {
  margin-top: 8px;
  color: #666;
  font-size: 15px;
}

/* Single post */
.post h1 {
  font-size: 28px;
  margin-bottom: 5px;
}

.post .post-date {
  display: block;
  color: #999;
  font-size: 14px;
  margin-bottom: 30px;
}

.post h2 { font-size: 22px; margin: 30px 0 15px; }
.post h3 { font-size: 18px; margin: 25px 0 10px; }
.post p { margin-bottom: 15px; }
.post ul, .post ol { margin: 15px 0; padding-left: 30px; }

.post pre {
  background: #f5f5f5;
  padding: 15px;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 14px;
  margin: 15px 0;
}

.post code {
  font-family: "Courier New", monospace;
  font-size: 14px;
}

.post p code {
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
}

/* Page */
.page h1 { font-size: 28px; margin-bottom: 20px; }
.page p { margin-bottom: 15px; }

/* Footer */
.site-footer {
  border-top: 1px solid #eee;
  padding: 20px 0;
  color: #999;
  font-size: 14px;
  text-align: center;
}

.site-footer a { color: #999; }
.site-footer a:hover { color: #268bd2; }

/* Responsive */
@media (max-width: 600px) {
  body { font-size: 15px; }
  .site-header .container { flex-direction: column; gap: 10px; }
  nav a { margin-left: 15px; }
  nav a:first-child { margin-left: 0; }
  .post h1 { font-size: 24px; }
}