.outlook-window {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  background-color: var(--win-bg);
  user-select: none;
  font-size: 11px;
}

.outlook-menubar {
  border-bottom: none;
  box-shadow: none;
}

.outlook-toolbar .explorer-tool-btn {
  min-width: 56px;
}

.outlook-folder-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 8px;
  margin: 0 2px 2px;
  background-color: #808080;
  color: #ffffff;
  font-size: 14px;
  font-weight: bold;
  flex-shrink: 0;
}

.outlook-folder-bar-icon {
  width: 16px;
  height: 16px;
  line-height: 0;
}

.outlook-folder-bar-icon svg,
.outlook-folder-icon svg,
.outlook-msg-icon svg {
  width: 16px;
  height: 16px;
}

.outlook-main-view {
  flex: 1;
  min-height: 0;
  display: flex;
  gap: 3px;
  margin: 0 2px 2px;
}

.outlook-folders-pane {
  width: 170px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.outlook-pane-title {
  height: 20px;
  padding: 3px 6px;
}

.outlook-folder-tree,
.outlook-messages-list,
.outlook-preview-pane {
  background-color: #ffffff;
  box-shadow:
    inset 1px 1px 0 var(--win-border-dark),
    inset -1px -1px 0 var(--win-border-light),
    inset 2px 2px 0 var(--win-border-darkest),
    inset -2px -2px 0 var(--win-border-midlight);
}

.outlook-folder-tree {
  flex: 1;
  overflow: auto;
  padding: 3px 2px;
}

.outlook-folder-item {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 18px;
  white-space: nowrap;
  cursor: default;
}

.outlook-folder-item.level1 {
  padding-left: 16px;
}

.outlook-folder-item.level2 {
  padding-left: 32px;
}

.outlook-folder-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  line-height: 0;
}

.outlook-folder-name {
  padding: 1px 2px;
}

.outlook-folder-item.selected .outlook-folder-name {
  background-color: var(--win-highlight);
  color: var(--win-highlight-text);
}

.outlook-unread {
  color: #0000ff;
}

.outlook-folder-item.selected .outlook-unread {
  color: #ffffff;
}

.outlook-right-split {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.outlook-messages-list {
  height: 44%;
  overflow: auto;
  padding: 2px;
}

.outlook-list-head,
.outlook-msg {
  display: grid;
  grid-template-columns: 22px 30% 1fr 110px;
  align-items: center;
}

.outlook-list-head {
  position: sticky;
  top: -2px;
  margin: -2px -2px 1px;
}

.outlook-list-head span {
  height: 18px;
  padding: 2px 5px;
  background-color: var(--win-bg);
  box-shadow:
    inset 1px 1px 0 var(--win-border-light),
    inset -1px -1px 0 var(--win-border-darkest),
    inset -2px -2px 0 var(--win-border-dark);
}

.outlook-msg {
  height: 18px;
  cursor: default;
  white-space: nowrap;
}

.outlook-msg > span {
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 5px;
}

.outlook-msg-icon {
  padding: 0 0 0 3px !important;
  line-height: 0;
}

.outlook-msg.unread {
  font-weight: bold;
}

.outlook-msg.selected {
  background-color: var(--win-highlight);
  color: var(--win-highlight-text);
}

.outlook-empty {
  padding: 16px;
  text-align: center;
  color: #000000;
}

.outlook-preview-pane {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 2px;
}

.outlook-preview-headers {
  padding: 4px 8px;
  background-color: var(--win-bg);
  line-height: 15px;
  border-bottom: 1px solid var(--win-border-dark);
}

.outlook-preview-headers:empty {
  display: none;
}

.outlook-preview-body {
  flex: 1;
  overflow: auto;
  padding: 8px 10px;
  font-family: Arial, sans-serif;
  font-size: 12px;
  line-height: 1.4;
  color: #000000;
  white-space: pre-wrap;
  user-select: text;
}

.outlook-status-online {
  width: 90px;
}

.outlook-window:focus {
  outline: none;
}

.outlook-link {
  color: #0000ff;
  text-decoration: underline;
  cursor: pointer;
}

.outlook-preview-headers .outlook-link {
  color: #000080;
}

.outlook-compose,
.outlook-book {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  background-color: var(--win-bg);
  font-size: 11px;
}

.outlook-compose-fields {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 4px 6px 6px;
  flex-shrink: 0;
}

.outlook-compose-row {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 22px;
}

.outlook-compose-label,
.outlook-compose-to-btn {
  width: 52px;
  flex-shrink: 0;
}

.outlook-compose-to-btn {
  min-width: 52px;
  height: 21px;
  padding: 0;
}

.outlook-compose-row input {
  flex: 1;
  min-width: 0;
}

.outlook-compose-from {
  flex: 1;
  color: #404040;
}

.outlook-compose-body {
  flex: 1;
  min-height: 0;
  margin: 0 2px 2px;
  padding: 4px 6px;
  resize: none;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.35;
  color: #000000;
  background-color: #ffffff;
  user-select: text;
}

.outlook-book-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  margin: 0 4px;
  padding: 2px;
  background-color: #ffffff;
  box-shadow:
    inset 1px 1px 0 var(--win-border-dark),
    inset -1px -1px 0 var(--win-border-light),
    inset 2px 2px 0 var(--win-border-darkest),
    inset -2px -2px 0 var(--win-border-midlight);
}

.outlook-book-head,
.outlook-book-row {
  display: grid;
  grid-template-columns: 50% 1fr;
  align-items: center;
}

.outlook-book-head {
  position: sticky;
  top: -2px;
  margin: -2px -2px 1px;
}

.outlook-book-head span {
  height: 18px;
  padding: 2px 5px;
  background-color: var(--win-bg);
  box-shadow:
    inset 1px 1px 0 var(--win-border-light),
    inset -1px -1px 0 var(--win-border-darkest),
    inset -2px -2px 0 var(--win-border-dark);
}

.outlook-book-row {
  height: 18px;
  cursor: default;
  white-space: nowrap;
}

.outlook-book-row > span {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 5px;
}

.outlook-book-row.selected {
  background-color: var(--win-highlight);
  color: var(--win-highlight-text);
}

.outlook-book-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  line-height: 0;
}

.outlook-book-icon svg {
  width: 16px;
  height: 16px;
}

.outlook-book-add {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 4px 4px;
  flex-shrink: 0;
}

.outlook-book-add input {
  flex: 1;
  min-width: 0;
}

.outlook-book-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 2px 4px 6px;
  flex-shrink: 0;
}

.outlook-book-buttons .win-btn {
  min-width: 75px;
}