/* docs/assets/css/main.css - Lab Hardware 2025 Documentation */
:root {
  --primary: #1a56db;
  --primary-light: #3b82f6;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--gray-50);
}

header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-lg);
}

header h1 { font-size: 1.5rem; font-weight: 700; }
header p { opacity: 0.9; font-size: 0.9rem; margin-top: 0.25rem; }

nav {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 2rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}

nav a:hover { background: var(--gray-100); color: var(--primary); }
nav a.active { color: var(--primary); background: #eff6ff; }

main { max-width: 1200px; margin: 2rem auto; padding: 0 2rem; }

.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gray-200);
}

.card h2 {
  font-size: 1.25rem;
  color: var(--gray-900);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary);
}

.card h3 {
  font-size: 1.1rem;
  color: var(--gray-900);
  margin: 1rem 0 0.5rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-blue { background: #cfe2ff; color: #084298; }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover { background: var(--gray-50); }

pre {
  background: var(--gray-900);
  color: #e5e7eb;
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}

code {
  background: var(--gray-100);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--primary);
}

pre code { background: none; color: inherit; padding: 0; }

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.meta-item { display: flex; align-items: center; gap: 0.25rem; }

footer {
  text-align: center;
  padding: 2rem;
  color: var(--gray-500);
  font-size: 0.85rem;
  border-top: 1px solid var(--gray-200);
  margin-top: 3rem;
}

@media (max-width: 768px) {
  header { padding: 1rem; }
  nav { padding: 0.5rem 1rem; gap: 0.75rem; }
  main { padding: 0 1rem; }
  .card-grid { grid-template-columns: 1fr; }
}