/* The unified changes tab: lens switcher + Git lens + session lens + the
   shared preview pane. Semantic --dsw-alias tokens only (skin contract).
   The git lens styles moved here from sidebar.module.css when the git panel
   became a lens of this tab; the generic placeholder/empty/error trio stays
   duplicated in both modules (the diff tab still owns its copy). */

.root { display: flex; flex-direction: column; min-height: 0; height: 100%; background: var(--dsw-alias-bg-base); color: var(--dsw-alias-label-primary); font-size: 12px; }

/* ── Lens switcher ─────────────────────────────────────────────────────── */

.lensBar { flex: none; display: flex; align-items: center; padding: 8px 8px 4px 12px; }
.lensSwitch { display: inline-flex; gap: 2px; padding: 2px; border: 1px solid var(--dsw-alias-border-l2); border-radius: 8px; }
.lensButton { border: 0; border-radius: 6px; padding: 2px 10px; background: transparent; color: var(--dsw-alias-label-secondary); font: var(--dsw-font-xxxs-strong-11); cursor: pointer; }
.lensButton:hover { color: var(--dsw-alias-label-primary); }
.lensButton[data-active='true'] { background: var(--dsw-alias-interactive-bg-active); color: var(--dsw-alias-label-primary); }

/* ── Git lens (the former git panel) ───────────────────────────────────── */

.git {
  flex: 1;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  /* Tab pages never scroll horizontally: content wraps or truncates to the
     panel width instead of panning sideways. */
  overflow-x: hidden;
}

.gitHeader {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 8px 0 12px;
}

.gitWorktreeRow {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 0 12px;
}

.gitWorktreeLabel {
  flex: none;
  color: var(--dsw-alias-label-tertiary);
  font: var(--dsw-font-xxxs-11);
}

.gitBranchSelect {
  flex: 1;
  min-width: 0;
  height: 26px;
  padding: 0 6px;
  border: 1px solid var(--dsw-alias-border-l2);
  border-radius: 6px;
  background: var(--dsw-alias-bg-base);
  color: var(--dsw-alias-label-primary);
  font: var(--dsw-font-xxs-12);
}

.gitSection {
  border-top: 1px solid var(--dsw-alias-border-l1);
}

.gitSectionHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px 4px;
  font: var(--dsw-font-xxxs-strong-11);
  color: var(--dsw-alias-label-tertiary);
  text-transform: uppercase;
}

.gitLink {
  border: none;
  background: transparent;
  font: var(--dsw-font-xxxs-11);
  color: var(--dsw-alias-brand-primary);
  cursor: pointer;
  padding: 0;
}

.gitLink:hover:not(:disabled) {
  text-decoration: underline;
}

.gitLink:disabled {
  opacity: 0.4;
  cursor: default;
}

.gitRow {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  margin: 0 6px;
  padding: 0 8px;
  border-radius: 8px;
  animation: dsh-row-in 150ms var(--ds-ease-in-out);
}

.gitRow:hover {
  background: var(--dsw-alias-interactive-bg-hover);
}

.gitRow[data-selected='true'] {
  background: var(--dsw-alias-interactive-bg-active);
}

.gitRowMain {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border: none;
  background: transparent;
  padding: 3px 0;
  cursor: pointer;
  text-align: left;
}

.gitBadge {
  flex: none;
  width: 20px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font: var(--dsw-font-xxxs-strong-11);
  background: var(--dsw-alias-interactive-bg-hover);
  color: var(--dsw-alias-label-secondary);
}

/* Status-letter tint: A added / D deleted / M·R modified / C·U conflicts;
   untracked '?' reads as a not-yet-added file, so it shares the added tint. */
.gitBadge[data-letter='A'], .gitBadge[data-letter='?'] { color: var(--dsw-alias-state-success-primary); }
.gitBadge[data-letter='D'] { color: var(--dsw-alias-state-error-primary); }
.gitBadge[data-letter='M'], .gitBadge[data-letter='R'] { color: var(--dsw-alias-state-business-primary); }
.gitBadge[data-letter='C'], .gitBadge[data-letter='U'] { color: var(--dsw-alias-state-warn-primary); }

.gitName {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: var(--dsw-font-s-14);
  color: var(--dsw-alias-label-primary);
}

.gitEmpty {
  padding: 4px 12px 8px;
  font: var(--dsw-font-xxs-12);
  color: var(--dsw-alias-label-tertiary);
}

.gitPlaceholder {
  padding: 16px;
  font: var(--dsw-font-xxs-12);
  color: var(--dsw-alias-label-tertiary);
  text-align: center;
}

.gitError {
  padding: 8px 12px;
  font: var(--dsw-font-xxs-12);
  color: var(--dsw-alias-state-error-primary);
  white-space: pre-wrap;
}

.gitConfirmDesc {
  margin: 0;
  font: var(--dsw-font-s-14);
  color: var(--dsw-alias-label-primary);
  white-space: pre-wrap;
}

.gitCommit {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--dsw-alias-border-l1);
  align-items: center;
}

.gitCommitInput {
  flex: 1;
  min-width: 0;
}

.gitCommitButton {
  flex: none;
  height: 26px;
  padding: 0 12px;
  border: none;
  border-radius: 6px;
  background: var(--dsw-alias-button-primary-fill);
  color: var(--dsw-alias-label-primary-inverted);
  font: var(--dsw-font-xxs-strong-12);
  cursor: pointer;
}

.gitCommitButton:hover:not(:disabled) {
  background: var(--dsw-alias-button-primary-hover);
}

.gitCommitButton:disabled {
  opacity: 0.45;
  cursor: default;
}

/* A history row: line 1 = hash + subject, line 2 = ref badges + author/date
   (badges live on the second line so they never crowd the subject). */
.gitLogRow {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 8px;
}

.gitLogRow:hover {
  background: var(--dsw-alias-interactive-bg-hover);
}

.gitLogRow[data-selected='true'] {
  background: var(--dsw-alias-interactive-bg-active);
}

.gitLogLine1 {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.gitLogHash {
  flex: none;
  font: var(--dsw-font-markdown-code-block-small);
  color: var(--dsw-alias-label-tertiary);
}

.gitLogLine2 {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-wrap: wrap;
}

.gitLogRef {
  flex: none;
  padding: 0 5px;
  border: 1px solid var(--dsw-alias-border-l2);
  border-radius: 999px;
  font: var(--dsw-font-xxxs-strong-11);
  color: var(--dsw-alias-brand-primary);
  white-space: nowrap;
}

.gitLogSubject {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: var(--dsw-font-s-14);
  color: var(--dsw-alias-label-primary);
}

.gitLogMeta {
  font: var(--dsw-font-xxxs-11);
  color: var(--dsw-alias-label-tertiary);
}

.gitLogMore {
  display: block;
  width: calc(100% - 24px);
  margin: 4px 12px 8px;
  padding: 6px 0;
  border: 1px solid var(--dsw-alias-border-l2);
  border-radius: 6px;
  background: transparent;
  font: var(--dsw-font-xxs-12);
  color: var(--dsw-alias-label-secondary);
  cursor: pointer;
}

.gitLogMore:hover:not(:disabled) {
  background: var(--dsw-alias-interactive-bg-hover);
  color: var(--dsw-alias-label-primary);
}

.gitLogMore:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ── Session lens (this round's files) ─────────────────────────────────── */

.session { flex: 1; min-height: 0; display: flex; flex-direction: column; }

.filterRow { flex: none; display: flex; gap: 4px; padding: 2px 8px 6px 12px; flex-wrap: wrap; }
.filterChip { border: 1px solid var(--dsw-alias-border-l2); border-radius: 999px; padding: 1px 8px; background: transparent; color: var(--dsw-alias-label-secondary); font: var(--dsw-font-xxxs-11); cursor: pointer; }
.filterChip:hover { color: var(--dsw-alias-label-primary); background: var(--dsw-alias-interactive-bg-hover); }
.filterChip[data-active='true'] { background: var(--dsw-alias-interactive-bg-active); color: var(--dsw-alias-label-primary); border-color: transparent; }

.sessionList { flex: 1; min-height: 0; overflow-y: auto; padding: 0 6px 10px; }
.empty { color: var(--dsw-alias-label-tertiary); padding: 24px 8px; text-align: center; }
.loadError { margin: 4px 8px; padding: 6px 10px; border-left: 3px solid var(--dsw-alias-state-warn-primary); border-radius: 0 6px 6px 0; color: var(--dsw-alias-label-secondary); font-size: 11px; }

.fileGroup { margin-bottom: 6px; }
/* The group label sits between op blocks: extra head padding separates it from
   the previous file's rows, the first group starts flush. */
.filePath { display: block; color: var(--dsw-alias-label-tertiary); font-family: var(--ds-font-family-code, monospace); font-size: 11px; padding: 6px 4px 2px; word-break: break-all; }
.fileGroup:first-child .filePath { padding-top: 2px; }
.opRow { display: flex; align-items: center; gap: 6px; width: 100%; border: 0; border-radius: 6px; background: transparent; color: var(--dsw-alias-label-primary); font: inherit; font-size: 11px; padding: 3px 5px; cursor: pointer; text-align: left; }
.opRow:hover { background: var(--dsw-alias-interactive-bg-hover); }
.opRow[data-selected='true'] { background: var(--dsw-alias-interactive-bg-active); }
/* A failed op carries a quiet error inset bar (the flag chip names it). */
.opRow[data-op-error='true'] { box-shadow: inset 2px 0 0 var(--dsw-alias-state-error-primary); }
.opKind { border-radius: 4px; font-size: 10px; line-height: 16px; padding: 0 5px; background: var(--dsw-alias-interactive-bg-hover); color: var(--dsw-alias-label-secondary); flex: none; }
.opKind[data-kind='write'] { color: var(--dsw-alias-state-success-primary); }
.opKind[data-kind='edit'] { color: var(--dsw-alias-state-business-primary); }
/* Size + relative time ride as one right-aligned cluster so the kind chips
   form a scannable left rail and the meta column stays flush right. */
.opMeta { margin-left: auto; display: inline-flex; align-items: baseline; gap: 8px; flex: none; min-width: 0; }
.opTime { color: var(--dsw-alias-label-tertiary); font-size: 10px; flex: none; }
.opFlag { color: var(--dsw-alias-state-business-primary); font-size: 10px; flex: none; }
.opFlagError { color: var(--dsw-alias-state-error-primary); font-size: 10px; flex: none; }
.opSize { color: var(--dsw-alias-label-tertiary); font-size: 10px; flex: none; font-family: var(--ds-font-family-code, monospace); }

/* ── Shared preview pane ───────────────────────────────────────────────── */

.redactBanner { flex: none; font: var(--dsw-font-xxxs-strong-11); padding: 2px 8px; border-radius: 7px; color: var(--dsw-alias-state-warn-primary); background: var(--dsw-alias-interactive-bg-hover); white-space: nowrap; }
.mdToggle { flex: none; border: 1px solid var(--dsw-alias-border-l1); border-radius: 7px; background: transparent; color: var(--dsw-alias-label-secondary); font: var(--dsw-font-xxxs-strong-11); padding: 2px 8px; cursor: pointer; }
.mdToggle:hover { background: var(--dsw-alias-interactive-bg-hover); color: var(--dsw-alias-label-primary); }
.mdToggle[data-on='true'] { border-color: var(--dsw-alias-state-business-primary); color: var(--dsw-alias-state-business-primary); }
.mdBody { padding: 12px 16px 20px; font: var(--dsw-font-xs-regular-13); line-height: 1.6; min-height: 0; overflow-y: auto; }
.htmlPane { flex: 1; min-height: 0; display: flex; }
.htmlFrame { flex: 1; width: 100%; border: none; background: var(--dsw-alias-bg-base); }

.diffPane { border-top: 1px solid var(--dsw-alias-border-l1); display: flex; flex-direction: column; flex: none; min-height: 0; }
.dragHandle { flex: none; height: 8px; cursor: ns-resize; position: relative; background: var(--dsw-alias-bg-base); }
.dragHandle::after { content: ''; position: absolute; left: calc(50% - 18px); top: 3px; width: 36px; height: 2px; border-radius: 1px; background: var(--dsw-alias-border-l2); }
.dragHandle:hover::after, .dragHandle:focus-visible::after { background: var(--dsw-alias-state-business-primary); }
.diffHead { display: flex; align-items: center; gap: 6px; padding: 3px 8px 3px 10px; border-bottom: 1px solid var(--dsw-alias-border-l1); }
.diffKind { flex: none; border-radius: 4px; font-size: 10px; line-height: 16px; padding: 0 5px; background: var(--dsw-alias-interactive-bg-hover); color: var(--dsw-alias-label-secondary); }
.diffKind[data-kind='git'] { color: var(--dsw-alias-brand-primary); }
.diffKind[data-kind='write'] { color: var(--dsw-alias-state-success-primary); }
.diffKind[data-kind='edit'] { color: var(--dsw-alias-state-business-primary); }
/* The path keeps its tail (the file name is the identity; directories are
   context): an RTL paragraph renders an ASCII path in reading order while
   clipping its HEAD under the ellipsis. */
.diffPath { flex: 1; direction: rtl; font-family: var(--ds-font-family-code, monospace); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--dsw-alias-label-primary); min-width: 0; }
.diffStats { flex: none; display: inline-flex; gap: 5px; font-size: 10px; font-family: var(--ds-font-family-code, monospace); }

.iconButton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--dsw-alias-label-secondary);
  cursor: pointer;
  flex: none;
}
.iconButton:hover:not(:disabled) { background: var(--dsw-alias-interactive-bg-hover); color: var(--dsw-alias-label-primary); }
.iconButton:disabled { opacity: 0.4; cursor: default; }

.paneBody { flex: 1; min-height: 0; overflow-y: auto; }
.readError { color: var(--dsw-alias-state-error-primary); border-left: 3px solid var(--dsw-alias-state-error-primary); border-radius: 0 6px 6px 0; margin: 6px 8px; padding: 6px 10px; white-space: pre-wrap; word-break: break-word; }
.priorUnknown { color: var(--dsw-alias-label-tertiary); font-size: 10px; padding: 3px 10px; }

/* ── Shared bits ───────────────────────────────────────────────────────── */

/* Mount fade for rows (the app's session-row reveal). */
@keyframes dsh-row-in {
  from { opacity: 0; }
}

/* Keyboard focus rings match the shared sidebar convention. */
.gitLink:focus-visible, .gitRowMain:focus-visible, .gitLogRow:focus-visible,
.gitCommitButton:focus-visible, .gitLogMore:focus-visible, .gitBranchSelect:focus-visible,
.lensButton:focus-visible, .filterChip:focus-visible, .iconButton:focus-visible,
.dragHandle:focus-visible {
  outline: 2px solid var(--dsw-alias-interactive-bg-hover-accent);
  outline-offset: -1px;
}

@media (prefers-reduced-motion: reduce) {
  .gitRow { animation: none; }
}