html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background-color: #2c3e50;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  display: block;
  padding: 1rem 1.25rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-nav {
  padding: 1rem 0;
  flex: 1 1 auto;
}

.sidebar-heading {
  padding: 1rem 1.25rem 0.5rem;
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

.sidebar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 1.25rem;
  display: block;
  text-decoration: none;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.main-content {
  margin-left: 240px;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0.75rem 1.5rem;
  text-align: right;
}

.topbar .navbar-text {
  color: #343a40;
}

@media (max-width: 767.98px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
  }

  .main-content {
    margin-left: 0;
  }
}