/* =========================
   BEESON HUB SHARED SHELL
========================= */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: white;
  border-radius: 15px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  overflow: hidden;
}

header.hub-header {
  background: linear-gradient(90deg, #2c3e50, #4a6491);
  color: white;
  padding: 30px;
}

header.hub-header h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

header.hub-header p {
  font-size: 16px;
  opacity: 0.9;
}

.nav {
  padding: 20px 30px;
  background: #e9ecef;
  display: flex;
  gap: 15px;
  border-bottom: 1px solid #dee2e6;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  padding: 12px 24px;
  background: white;
  border-radius: 8px;
  color: #2c3e50;
  font-weight: 600;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.nav a:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

.nav a.active {
  background: #2c3e50;
  color: white;
}

.content {
  padding: 30px;
}

footer {
  padding: 18px 30px;
  background: #f8f9fa;
  border-top: 1px solid #dee2e6;
  text-align: center;
  color: #6c757d;
  font-size: 14px;
}