.open > .dropdown-menu {
  display: block;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

.app-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.item-list {
  flex: 1;
  overflow-y: auto;
}

.list-group-item {
  position: relative;
  padding: 0.65rem 1rem;
  transition: background-color 0.2s ease;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-sm i {
  font-size: 1rem;
}

.list-group-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.list-group-item.focused,
.list-group-item:focus {
  outline: 2px solid var(--bs-focus-color);
  outline-offset: -2px;
  background-color: rgba(255, 255, 255, 0.08);
}

.item-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 2rem;
}

.form-check-input {
  flex-shrink: 0;
  margin-top: 0;
  border-color: #8b949e;
  cursor: pointer;
}

.item-label {
  flex: 1;
  min-width: 0;
  cursor: pointer;
  word-break: break-word;
}

.item-label:hover {
  text-decoration: underline;
}

.item-label.checked {
  text-decoration: line-through;
  opacity: 0.7;
}

.item-meta {
  font-size: 0.85rem;
  color: var(--bs-secondary-color);
  margin-left: 0.35rem;
  white-space: nowrap;
}

.item-open-hint {
  color: var(--bs-secondary-color);
  margin-left: 0.25rem;
}

.item-progress {
  width: 100%;
  height: 0.25rem;
  background: var(--bs-secondary-bg);
  margin-top: 0.25rem;
  border-radius: 2px;
  overflow: hidden;
}

.item-progress-bar {
  height: 100%;
  background: var(--bs-success);
  transition: width 0.2s ease;
}

.item-actions {
  display: flex;
  gap: 0.15rem;
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.list-group-item:hover .item-actions,
.list-group-item:focus-within .item-actions {
  opacity: 1;
  pointer-events: auto;
}

.item-actions button {
  padding: 0.35rem 0.45rem;
  font-size: 0.95rem;
  line-height: 1;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  border-radius: 3px;
  transition: background-color 0.15s ease;
}

.item-actions button:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.item-actions button:focus {
  outline: 1px solid var(--bs-focus-color);
}

.item-edit-input {
  flex: 1;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.375rem;
  background: transparent;
  color: inherit;
}

.add-item-section {
  padding: 0.75rem 1rem 1rem;
  border-top: 1px solid var(--bs-border-color);
  display: flex;
  gap: 0.5rem;
  background: var(--bs-body-bg);
  align-items: center;
}

.add-item-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.375rem;
  background: transparent;
  color: inherit;
}

.add-item-input::placeholder {
  color: var(--bs-secondary-color);
}

.add-item-input:focus {
  outline: 1px solid var(--bs-focus-color);
  border-color: var(--bs-focus-color);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 50%;
}

.empty-state,
.loading-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--bs-secondary-color);
}

.loading-state .spinner-border {
  width: 2rem;
  height: 2rem;
}

.navbar-progress {
  width: 100%;
  height: 0.35rem;
  background: var(--bs-secondary-bg);
}

.navbar-progress-bar {
  height: 100%;
  width: 0;
  background: var(--bs-light);
  transition: width 0.2s ease;
}

.back-link {
  display: inline-flex;
  align-items: center;
  margin-right: 0.35rem;
}

.back-link.disabled {
  visibility: hidden;
  pointer-events: none;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 1rem;
  overflow-x: auto;
  white-space: nowrap;
  max-width: 100%;
}

.breadcrumb-item {
  color: var(--bs-secondary-color);
  cursor: pointer;
  transition: color 0.15s ease;
}

.breadcrumb-item:hover {
  color: var(--bs-body-color);
}

.breadcrumb-item.active {
  color: var(--bs-body-color);
  font-weight: 500;
  cursor: default;
}

@media (max-width: 576px) {
  .item-actions {
    display: none;
  }

  .navbar-brand {
    font-size: 0.85rem;
  }

  .breadcrumb-nav {
    font-size: 1rem;
  }

  .list-group-item {
    padding: 1rem;
  }

  .item-row {
    min-height: 2.5rem;
  }

  .form-check-input {
    width: 1.5rem;
    height: 1.5rem;
  }

  .add-item-input {
    padding: 0.75rem;
    font-size: 1rem;
  }

  .btn-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .btn-outline-danger {
    min-width: 3rem;
    white-space: nowrap;
  }

  .navbar-collapse .form-control {
    flex: 1;
    min-width: 0;
  }

  .navbar-collapse {
    width: 100%;
  }

  .navbar-collapse > div {
    width: 100%;
  }
}

@media (min-width: 992px) {
  .navbar-collapse .form-control {
    width: auto !important;
  }
}