:root {
  --primary: #4f46e5;
  --secondary: #ec4899;
  --bg: #f3f4f6;
  --card-bg: #ffffff;
  --text: #1f2937;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
}

.navbar {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-weight: 800;
  letter-spacing: -0.5px;
}

.card {
  border: none;
  border-radius: 16px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: var(--card-bg);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--primary);
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-weight: 600;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  background-color: var(--primary);
  opacity: 0.9;
}

.btn-success {
  background-color: #10b981;
  border: none;
  border-radius: 8px;
  font-weight: 600;
}

.stats-card {
  background: linear-gradient(135deg, #ffffff, #f9fafb);
  border-left: 4px solid var(--primary);
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  letter-spacing: -0.025em;
}

.badge {
  padding: 0.5em 0.75em;
  border-radius: 9999px;
  font-weight: 600;
}