body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #05060c;
  color: #e5e5e5;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  border-bottom: 1px solid rgba(127,255,159,0.25);
  background: #05060c;
}

.logo-zone {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-weight: 600;
  letter-spacing: 1px;
  color: #7fff9f;
}

.access-level {
  font-size: 0.85rem;
  color: #9fb3ff;
}

.main-nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #ccc;
  font-size: 0.95rem;
}

.main-nav a.active {
  color: #7fff9f;
  border-bottom: 1px solid #7fff9f;
}

/* Main */
.blog-main {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

.blog-article h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.blog-meta {
  font-size: 0.9rem;
  color: #9fb3ff;
  margin-bottom: 20px;
}

.blog-article p {
  line-height: 1.6;
  margin-bottom: 15px;
}

/* Bouton retour */
.btn-secondary {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 16px;
  border: 1px solid #7fff9f;
  color: #7fff9f;
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: #7fff9f;
  color: #05060c;
}