:root {
  --bg-primary: #09090b;
  --bg-secondary: #111113;
  --bg-surface: #16161a;
  --border-color: #1c1c1f;
  --text-primary: #d4d4d8;
  --text-secondary: #71717a;
  --text-muted: #52525b;
  --accent-teal: #0d9488;
  --accent-hover: #14b8a6;
  --highlight-blue: #3b82f6;
  --font-sans: 'Inter', 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1200px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-mono);
}

.btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 0;
}

/* Navbar */
.navbar {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  background: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.05em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link:hover {
  color: var(--accent-teal);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--bg-secondary);
  min-width: 200px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 1;
  margin-top: 0.5rem;
}

.dropdown-content a {
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  text-decoration: none;
  display: block;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color);
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background-color: var(--bg-surface);
  color: var(--accent-teal);
}

.dropdown:hover .dropdown-content { /* Or use JS for click */
  display: block;
}


/* Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  padding: 3rem 0;
  flex: 1;
}

.content-column {
  min-width: 0; /* Prevent overflow */
}

.sidebar-column {
  position: sticky;
  top: 6rem;
  height: fit-content;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-color: var(--text-muted);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-surface);
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}

.card-title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.card-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.card-summary {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Sidebar */
.sidebar-section {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  border-bottom: 1px solid #1c1c1f;
}
.stat-item:last-child { border-bottom: none; }

.stat-label { color: var(--text-secondary); }
.stat-value { color: var(--text-primary); font-family: var(--font-mono); }

/* Typography */
h1, h2, h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: auto;
  background: var(--bg-secondary);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Search */
.search-form {
  display: flex;
  gap: 0.5rem;
}

.search-input {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-teal);
}

/* Mobile */
@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-column {
    position: static;
  }
}