body {
  background-color: #f8f9fa;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

#auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  border-radius: 12px;
}

.letter-spacing {
  letter-spacing: 4px;
}

.wrapper {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

#sidebar {
  min-width: 260px;
  max-width: 260px;
  background: #1e293b;
  color: #fff;
  transition: all 0.3s ease-in-out;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

#sidebar.collapsed {
  margin-left: -260px;
}

#sidebar .sidebar-header {
  border-bottom: 1px solid #334155;
  flex-shrink: 0;
}

#sidebar ul.components {
  padding: 15px 0;
  flex-grow: 1;
  overflow-y: auto;
}

#sidebar ul.components::-webkit-scrollbar {
  width: 6px;
}

#sidebar ul.components::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

#sidebar ul li a {
  padding: 12px 20px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  color: #94a3b8;
  text-decoration: none;
  transition: 0.2s;
}

#sidebar ul li a:hover {
  color: #fff;
  background: #334155;
}

#sidebar ul li.active > a {
  color: #fff;
  background: #0d6efd;
  font-weight: 600;
}

.menu-icon-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 12px;
  font-size: 1.1rem;
}

#content {
  width: 100%;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  #sidebar {
    margin-left: -260px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
  }
  #sidebar.collapsed {
    margin-left: 0;
  }
}