.xp-mail {
  height: 100%;
  min-height: 360px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: linear-gradient(180deg, var(--surface-panel-top), var(--surface-panel-bottom));
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 0 0 1px var(--surface-contrast);
}

.xp-mail-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 2px;
  padding: 3px 6px;
  border-bottom: 1px solid var(--border-accent);
  background: linear-gradient(180deg, var(--surface-soft), var(--surface-highlight));
}

/* Icon toolbar (mail-render.js MAIL_TOOLBAR): Outlook Express layout, a
   24px icon above the label, flat until hovered. Vista overrides this to
   Windows Mail's small-icon-beside-label row. */
.xp-mail-tool {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 56px;
  padding: 3px 6px 2px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 11px;
  line-height: 1.2;
  cursor: pointer;
}

.xp-mail-tool-icon {
  display: block;
  width: 26px;
  height: 26px;
}

.xp-mail-tool-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.18));
}

.xp-mail-tool-label {
  white-space: nowrap;
}

.xp-mail-tool:hover:not(:disabled),
.xp-mail-tool:focus-visible {
  border-color: var(--border-muted);
  background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.35));
  box-shadow: inset 0 1px 0 #fff, 0 1px 1px rgba(0, 0, 0, 0.08);
  outline: none;
}

.xp-mail-tool:active:not(:disabled) {
  background: rgba(0, 0, 0, 0.06);
  box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.18);
}

.xp-mail-tool:disabled {
  cursor: default;
  opacity: 0.5;
}

.xp-mail-tool:disabled .xp-mail-tool-icon svg {
  filter: grayscale(1);
}

.xp-mail-tool-sep {
  width: 1px;
  margin: 4px 3px;
  background: var(--divider);
  box-shadow: 1px 0 0 rgba(255, 255, 255, 0.6);
}

.xp-mail-folder-name {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.xp-mail-folder-icon {
  display: inline-block;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
}

.xp-mail-folder-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.xp-mail-body {
  display: grid;
  grid-template-columns: 210px minmax(260px, 1fr) minmax(280px, 1.3fr);
  min-height: 0;
}

.xp-mail-sidebar,
.xp-mail-list,
.xp-mail-preview {
  min-height: 0;
  overflow: auto;
}

.xp-mail-sidebar {
  border-right: 1px solid var(--divider);
  background: var(--surface-window-soft);
  padding: 8px;
}

.xp-mail-folder-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 7px 8px;
  margin: 0 0 4px;
  border: 1px solid var(--accent-soft);
  background: linear-gradient(180deg, var(--surface-soft), var(--surface-window));
  color: var(--text-accent);
  text-align: left;
  cursor: pointer;
}

.xp-mail-folder-btn.active {
  border-color: var(--border-hot);
  background: linear-gradient(180deg, var(--surface-highlight), var(--accent-fill));
  font-weight: 700;
}

.xp-mail-folder-count {
  color: var(--text-muted);
  font-size: 12px;
}

.xp-mail-list {
  border-right: 1px solid var(--divider);
  background: var(--surface-window);
}

.xp-mail-list-head {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 8px 10px;
  border-bottom: 1px solid var(--accent-soft);
  background: linear-gradient(180deg, var(--surface-soft), var(--surface-window));
  color: var(--text-accent);
  font-weight: 700;
}

.xp-mail-rows {
  padding: 6px;
}

.xp-mail-row {
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 1.4fr auto;
  gap: 8px;
  align-items: center;
  text-align: left;
  padding: 7px 8px;
  margin: 0 0 4px;
  border: 1px solid transparent;
  background: var(--surface-window);
  color: var(--text-primary);
  cursor: pointer;
}

.xp-mail-row:hover {
  background: var(--surface-soft-hover);
  border-color: var(--accent-soft);
}

.xp-mail-row.selected {
  border-color: var(--border-hot);
  background: linear-gradient(180deg, var(--surface-highlight), var(--surface-soft));
}

.xp-mail-row-from,
.xp-mail-row-subject,
.xp-mail-row-date {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
}

.xp-mail-row-date {
  color: var(--text-muted);
}

.xp-mail-preview {
  background: var(--surface-window-alt);
  padding: 10px;
}

.xp-mail-message h3 {
  margin: 0 0 8px;
  color: var(--text-accent);
}

.xp-mail-message-head {
  padding: 8px;
  border: 1px solid var(--accent-soft);
  background: var(--surface-soft);
  margin-bottom: 8px;
  font-size: 12px;
}

.xp-mail-message-body {
  border: 1px solid var(--accent-soft);
  background: var(--color-white);
  padding: 10px;
  min-height: 150px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-primary);
}

.xp-mail-attachments {
  margin-top: 10px;
  border: 1px solid var(--accent-soft);
  background: var(--surface-soft);
  padding: 8px;
}

.xp-mail-attachments h4 {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-accent);
}

.xp-mail-att-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-top: 1px dashed var(--accent-soft);
  font-size: 12px;
}

.xp-mail-att-row:first-of-type {
  border-top: 0;
}

.xp-mail-attachment-link {
  justify-self: start;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--link-primary);
  text-decoration: underline;
  cursor: pointer;
}

.xp-mail-attachment-link:hover,
.xp-mail-attachment-link:focus {
  color: var(--link-hover);
}

.xp-mail-attachment-clip {
  font-size: 13px;
  line-height: 1;
  opacity: 0.9;
}

.xp-mail-attachment-save {
  margin-left: auto;
  font-size: 11px;
  padding: 1px 6px;
  cursor: pointer;
}

.xp-mail-attachment-size {
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
}

.xp-mail-compose {
  display: grid;
  gap: 8px;
}

.xp-mail-compose-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  align-items: center;
}

.xp-mail-compose-row label {
  font-size: 12px;
  color: var(--text-accent);
}

.xp-mail-compose-row input,
.xp-mail-compose-row textarea {
  border: 1px solid var(--accent-soft);
  background: var(--color-white);
  color: var(--text-primary);
  padding: 6px;
  font: inherit;
}

.xp-mail-compose-row-body {
  align-items: start;
}

.xp-mail-compose-row textarea {
  min-height: 170px;
  resize: vertical;
}

.xp-mail-compose-attachments {
  border: 1px solid var(--accent-soft);
  background: var(--surface-soft);
  padding: 8px;
}

.xp-mail-compose-att-head {
  color: var(--text-accent);
  font-size: 12px;
  margin-bottom: 6px;
}

.xp-mail-compose-att-list {
  max-height: 110px;
  overflow: auto;
  font-size: 12px;
  margin-bottom: 8px;
}

.xp-mail-compose-att-hint {
  color: var(--text-muted);
  font-size: 11px;
  font-style: italic;
}

.xp-mail-empty {
  color: var(--text-muted);
  font-size: 12px;
  padding: 10px;
}

.xp-mail-preview-empty {
  border: 1px dashed var(--accent-soft);
  background: var(--surface-soft);
}

@media (max-width: 1100px) {
  .xp-mail-body {
    grid-template-columns: 180px 1fr;
    grid-template-rows: 1fr 1fr;
  }

  .xp-mail-preview {
    grid-column: 1 / span 2;
    border-top: 1px solid var(--divider);
  }
}