/* Toolbar Container */
#toolbar-container {
  background-color: var(--toolbar-bg-color);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.15), inset 0 -1px 0 rgba(255, 255, 255, 0.05), 0 1px 0 rgba(0, 0, 0, 0.15), 0 1px 1px rgba(0, 0, 0, 0.1);
  padding: 1px 8px;
}

#toolbar-viewer {
  display: flex;
  align-items: center;
  min-height: 32px;
  position: relative;
}

#toolbar-viewer-left {
  display: flex;
  align-items: center;
}

#toolbar-viewer-middle {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}

#toolbar-viewer-right {
  display: flex;
  align-items: center;
  margin-left: auto;
}

/* Toolbar Buttons */
.toolbar-button {
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--main-color);
  cursor: pointer;
  width: 28px;
  height: 28px;
  min-width: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.1s ease;
  box-sizing: border-box;
}

.toolbar-button:hover {
  background-color: var(--button-hover-color);
}

.toolbar-button:active {
  background-color: var(--button-hover-color);
}

.toolbar-button:hover svg {
  fill: var(--toolbar-icon-hover-bg-color);
  opacity: 1;
}

.toolbar-button.toggled {
  background-color: var(--toggled-btn-bg-color);
  color: var(--toggled-btn-color);
}

.toolbar-button svg {
  fill: var(--toolbar-icon-bg-color);
  opacity: var(--toolbar-icon-opacity);
  width: 16px;
  height: 16px;
  display: block;
  pointer-events: none;
}

.toolbar-button.toggled svg {
  fill: var(--toggled-btn-color);
  opacity: 1;
}

.toolbar-button span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.toolbar-button-spacer {
  width: 1px;
  height: 24px;
  background-color: var(--separator-color);
  margin: 0 6px;
}

.vertical-toolbar-separator {
  width: 1px;
  height: 24px;
  background-color: var(--separator-color);
  margin: 0 6px;
}

.horizontal-toolbar-separator {
  height: 1px;
  background-color: var(--separator-color);
  margin: 4px 0;
}

.split-toolbar-button {
  display: flex;
  align-items: center;
  margin: 0 3px;
}

.split-toolbar-button-separator {
  display: none;
}

/* Toolbar Fields */
.toolbar-field, #page-number {
  background-color: var(--field-bg-color);
  border-radius: 2px;
  color: var(--field-color);
  font-size: 12px;
  box-sizing: border-box;
}

#page-number {
  width: 56px;
  height: 24px;
  text-align: center;
  padding: 3px 2px;
  margin: 0 4px;
  border: none;
}

.toolbar-field:focus {
  outline: none;
  border-color: var(--progressBar-color);
}

.toolbar-label,
#num-pages {
  padding: 0 2px;
  color: var(--field-color);
  font-size: 12px;
  margin-bottom: 0;
  line-height: 24px;
}

/* Dropdowns */
.dropdown-toolbar-button,
#scale-select-container {
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
}

#scale-select {
  background-color: var(--dropdown-btn-bg-color);
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--field-color);
  padding: 0 22px 0 8px;
  height: 24px;
  font-size: 12px;
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="%23f0f0f0" d="M2 4l4 4 4-4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 4px center;
}

#scale-select:hover {
  background-color: var(--button-hover-color);
}

#scale-select option {
  background-color: var(--dropdown-btn-bg-color);
  color: var(--field-color);
}

/* Findbar */
.findbar {
  background-color: var(--toolbar-bg-color);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.15), inset 0 -1px 0 rgba(255, 255, 255, 0.05), 0 1px 0 rgba(0, 0, 0, 0.15);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.findbar.hidden {
  display: none;
}

#findbar-input-container {
  display: flex;
  align-items: center;
  gap: 4px;
}

#find-input {
  width: 200px;
}

#findbar-options-one-container,
#findbar-options-two-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

#findbar-options-one-container input[type="checkbox"],
#findbar-options-two-container input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

#findbar-options-one-container label,
#findbar-options-two-container label {
  cursor: pointer;
  user-select: none;
}

#findbar-message-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--field-color);
}

/* Secondary Toolbar */
.secondary-toolbar {
  background-color: var(--doorhanger-bg-color);
  border: 1px solid var(--doorhanger-border-color);
  border-radius: 4px;
  padding: 6px;
  position: absolute;
  top: 36px;
  inset-inline-end: 4px;
  z-index: 30000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.secondary-toolbar.hidden {
  display: none;
}

.door-hanger-right {
  inset-inline-end: 4px;
}

#secondary-toolbar-button-container {
  display: flex;
  flex-direction: column;
  min-width: 180px;
}

.secondary-toolbar-button {
  background-color: transparent;
  border: none;
  color: var(--main-color);
  cursor: pointer;
  padding: 8px 14px;
  text-align: start;
  border-radius: 2px;
  font-size: 12px;
  line-height: 14px;
  transition: background-color 0.1s ease;
  width: 100%;
  display: flex;
  align-items: center;
}

.secondary-toolbar-button:hover {
  background-color: var(--doorhanger-hover-color);
  color: var(--doorhanger-bg-color);
}

.secondary-toolbar-button.toggled {
  background-color: var(--toggled-btn-bg-color);
}

/* Responsive Toolbar */
.hidden-small-view {
  display: flex;
}

.hidden-medium-view {
  display: flex;
}

.visible-large-view {
  display: flex;
}

.visible-medium-view {
  display: none;
}

.visible-small-view {
  display: none;
}

@media (max-width: 900px) {
  .hidden-medium-view {
    display: none;
  }

  .visible-medium-view {
    display: flex;
  }
}

@media (max-width: 600px) {
  .hidden-small-view {
    display: none;
  }

  .visible-small-view {
    display: block;
  }

  button.visible-small-view {
    display: flex;
  }

  #toolbar-viewer-middle {
    display: none;
  }
}

/* Accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--progressBar-color);
  outline-offset: 2px;
}