/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
  background: #f5f5f5;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #1a56db;
  color: white;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.menu-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* Sidebar — hidden on mobile, shown on desktop */
.sidebar {
  display: none;
  background: white;
  border-right: 1px solid #e5e5e5;
  padding: 1rem 0;
}

.sidebar.open {
  display: block;
  position: fixed;
  top: 3.25rem;
  left: 0;
  bottom: 0;
  width: 240px;
  z-index: 100;
}

.nav-link {
  display: block;
  padding: 0.5rem 1.25rem;
  color: #374151;
  text-decoration: none;
}

.nav-link:hover {
  background: #f3f4f6;
}

/* Main content */
.main {
  padding: 1rem;
}

.page-header {
  margin-bottom: 1rem;
}

.page-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.text-muted {
  color: #6b7280;
}

/* Desktop layout */
@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .sidebar {
    display: block;
    position: fixed;
    top: 3.25rem;
    left: 0;
    bottom: 0;
    width: 240px;
  }

  .main {
    margin-left: 240px;
    padding: 1.5rem 2rem;
  }
}