:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #3b82f6;
  --text: #f8fafc;
}
body {
  font-family: 'Inter', sans-serif;
  background-color: var(--primary);
  color: var(--text);
}
.sidebar {
  background-color: var(--secondary);
  transition: all 0.3s;
}
.main-content {
  transition: all 0.3s;
}
.card {
  background-color: var(--secondary);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.btn-primary {
  background-color: var(--accent);
  color: white;
  transition: all 0.3s;
}
.btn-primary:hover {
  background-color: #2563eb;
}
.search-item {
  border-left: 3px solid var(--accent);
}
.login-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 2rem;
  background-color: var(--secondary);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.plans-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.plan-card {
  background-color: var(--secondary);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: all 0.3s;
}
.plan-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}
.plan-popular {
  border: 2px solid var(--accent);
}