* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #0d0d0d;
  color: #c9c9c9;
  font-family: 'Courier New', Courier, monospace;
  font-size: 15px;
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

a { color: #5af; text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  border-bottom: 1px solid #222;
  padding-bottom: 24px;
  margin-bottom: 48px;
}

header h1 { font-size: 1.4rem; color: #eee; }
header h1 span { color: #5af; }
header p { color: #555; margin-top: 6px; font-size: 0.85rem; }

nav { margin-top: 12px; }
nav a { margin-right: 20px; color: #666; font-size: 0.85rem; }
nav a:hover { color: #5af; }

/* index post list */
.post-list { list-style: none; }
.post-list li { margin-bottom: 32px; border-left: 2px solid #1e1e1e; padding-left: 16px; }
.post-list li:hover { border-left-color: #5af; }
.post-list .date { color: #444; font-size: 0.8rem; margin-bottom: 4px; }
.post-list .title { font-size: 1.05rem; color: #ddd; }
.post-list .excerpt { color: #666; font-size: 0.85rem; margin-top: 4px; }

/* post page */
.post-header { margin-bottom: 40px; }
.post-header h1 { font-size: 1.5rem; color: #eee; line-height: 1.3; }
.post-header .meta { color: #444; font-size: 0.8rem; margin-top: 10px; }
.post-header .tags span {
  background: #111;
  border: 1px solid #222;
  padding: 2px 8px;
  font-size: 0.75rem;
  color: #555;
  margin-right: 6px;
}

.post-body h2 {
  color: #eee;
  font-size: 1.05rem;
  margin: 36px 0 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid #1a1a1a;
}

.post-body p { margin-bottom: 16px; color: #b0b0b0; }

.post-body pre {
  background: #111;
  border: 1px solid #1e1e1e;
  border-left: 3px solid #5af;
  padding: 16px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #8dc;
}

.post-body code {
  background: #111;
  padding: 1px 5px;
  border-radius: 2px;
  color: #8dc;
  font-size: 0.88em;
}

.post-body pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.post-body .note {
  background: #111;
  border-left: 3px solid #fa4;
  padding: 12px 16px;
  margin: 20px 0;
  color: #888;
  font-size: 0.88rem;
}

.post-body ul, .post-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
  color: #b0b0b0;
}

.post-body li { margin-bottom: 6px; }

footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid #1a1a1a;
  color: #333;
  font-size: 0.78rem;
}

.crash { color: #f55; font-weight: bold; }
.ok    { color: #5a5; }