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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1020;
  color: #f5f5f5;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
}

/* Header */
.site-header {
  background: rgba(10, 10, 20, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  z-index: 10;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.logo a {
  font-weight: 700;
  font-size: 1.2rem;
  color: #ffffff;
  text-decoration: none;
}

.nav a {
  margin-left: 16px;
  text-decoration: none;
  color: #c4c4c4;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: #ffffff;
}

/* Main */
.main-content {
  padding: 24px 0 40px;
}

/* Hero */
.hero {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.hero-subtitle {
  color: #c4c4c4;
  font-size: 0.98rem;
}

/* Posts list */
.posts-section h2,
.info-section h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.post-card {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.post-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
}

.post-title:hover {
  text-decoration: underline;
}

.post-meta {
  font-size: 0.8rem;
  color: #9a9a9a;
  margin: 4px 0 6px;
}

.post-excerpt {
  font-size: 0.9rem;
  color: #d0d0d0;
}

/* Info sections */
.info-section {
  margin-top: 24px;
  font-size: 0.95rem;
  color: #d6d6d6;
}

.info-section p a {
  color: #7dd3fc;
  text-decoration: none;
}

.info-section p a:hover {
  text-decoration: underline;
}

/* Full post */
.post-full h1 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.post-full .post-meta {
  margin-bottom: 16px;
}

.post-body p {
  margin-bottom: 12px;
}

/* Code block */
pre {
  background: #111827;
  padding: 10px 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.9rem;
  margin: 10px 0 14px;
}

/* Back link */
.back-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.9rem;
  color: #7dd3fc;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
  font-size: 0.8rem;
  color: #9a9a9a;
  margin-top: 20px;
}

/* Responsive */
@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    margin-top: 8px;
  }

  .nav a {
    margin-left: 0;
    margin-right: 12px;
  }
}