:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #151922;
  --bg-card: #1a1f2e;
  --text-primary: #e4e6eb;
  --text-secondary: #8b92a7;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #2d3748;
  --success: #10b981;
  --warning: #f59e0b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header/Navigation */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent);
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Dashboard Grid */
.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.1);
}

.dashboard-card h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.dashboard-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0.5rem 0;
}

.dashboard-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.status-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-online {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-offline {
  background: var(--text-secondary);
}

/* Blog Section */
.blog-intro {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
}

.blog-intro h2 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.blog-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.blog-post {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s;
  display: block;
}

.blog-post:hover {
  border-color: var(--accent);
  transform: translateX(8px);
}

.blog-post h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.blog-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Article/Post Content */
article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem;
  margin: 2rem 0;
  max-width: 800px;
}

article h1 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 2.5rem;
}

article h2 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
  font-size: 1.8rem;
}

article h3 {
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
  font-size: 1.4rem;
}

article p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

article code {
  background: var(--bg-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
}

article pre {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

article pre code {
  background: none;
  padding: 0;
}

article ul, article ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

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

article a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .dashboard {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    gap: 1rem;
  }
  
  article {
    padding: 1.5rem;
  }
}

/* Loading animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-radius: 50%;
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}