/* ==========================================================================
   IDE — slice C shell
   --------------------------------------------------------------------------
   Three-region layout inside the existing topbar: sidebar on the left, the
   CodeMirror editor in the centre, and a thin status bar at the bottom.
   All colours come from the theme variables in base.css so the shell
   matches whatever theme the user has active.
   ========================================================================== */

.ide-main {
  padding: 0;
  background: var(--bg-primary);
}

.ide-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 1fr var(--ide-bottom-height, 0px) 22px;
  grid-template-areas:
    "sidebar editor"
    "sidebar bottom"
    "status  status";
  height: calc(100vh - var(--topbar-height, 48px));
  min-height: 0;
  color: var(--text-primary);
  background: var(--bg-primary);
  font-family: 'Courier Prime', 'Menlo', 'Consolas', monospace;
}

.ide-shell.ide-shell--bottom-open {
  --ide-bottom-height: var(--ide-bottom-height-open, 240px);
}

.ide-bottom {
  grid-area: bottom;
  display: none;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.ide-shell--bottom-open .ide-bottom {
  display: flex;
}

.ide-bottom__tabs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary, var(--bg-secondary));
  height: 28px;
  flex-shrink: 0;
}

.ide-bottom__tab {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.5rem;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  border-radius: 3px;
}

.ide-bottom__tab:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
}

.ide-bottom__tab--active {
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
}

.ide-bottom__resizer {
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 6px;
  cursor: ns-resize;
  z-index: 2;
}

.ide-bottom__body {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ide-bottom__close {
  margin-left: auto;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  padding: 0 0.5rem;
  height: 24px;
}

.ide-bottom__close:hover {
  color: var(--text-primary);
}

.ide-sidebar {
  grid-area: sidebar;
  border-right: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow: auto;
  min-width: 0;
}

.ide-editor {
  grid-area: editor;
  overflow: hidden;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  position: relative; /* anchor for .cochange-chip absolute positioning */
}

.ide-status {
  grid-area: status;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.75rem;
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  user-select: none;
}

.ide-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.ide-status__dot--ok {
  background: var(--success);
}

.ide-status__dot--offline {
  background: var(--error);
}

.ide-status__dot--reconnecting {
  background: var(--accent);
}

/* Empty state rendered while the screen is waiting for the bridge or a
   workspace selection. */
.ide-shell--loading {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-family: 'Courier Prime', 'Menlo', 'Consolas', monospace;
}

/* Sidebar empty states and workspace list. */
.ide-sidebar__empty {
  padding: 1rem;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.ide-workspace-list {
  list-style: none;
  padding: 0.5rem;
  margin: 0;
}

.ide-workspace-list__item {
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}

.ide-workspace-list__item:hover {
  background: var(--bg-elevated);
}

.ide-workspace-list__name {
  display: block;
  color: var(--text-primary);
  font-size: 13px;
}

.ide-workspace-list__path {
  display: block;
  color: var(--text-muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ide-workspace-list__empty {
  padding: 0.5rem;
  color: var(--text-secondary);
  font-size: 12px;
  list-style: none;
}

.ide-workspace-list__add,
.ide-workspace-form__save,
.ide-workspace-form__cancel {
  margin: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.ide-workspace-list__add:hover,
.ide-workspace-form__save:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.ide-workspace-form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

.ide-workspace-form__name,
.ide-workspace-form__path {
  padding: 0.4rem 0.5rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  font-family: inherit;
}

.ide-workspace-form__error,
.ide-workspace-list__error,
.ide-file-tree__error,
.ide-editor__error,
.ide-editor__binary {
  padding: 0.5rem;
  color: var(--error);
  font-size: 12px;
}

.ide-editor__binary {
  color: var(--text-secondary);
  font-style: italic;
}

/* File tree. */
.ide-file-tree {
  padding: 0.25rem 0;
  font-size: 12px;
}

.ide-file-tree__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ide-file-tree__row {
  padding: 2px 0.5rem;
  cursor: pointer;
  color: var(--text-primary);
  user-select: none;
}

.ide-file-tree__row:hover {
  background: var(--bg-elevated);
}

.ide-file-tree__entry--dir > .ide-file-tree__row {
  color: var(--text-secondary);
  font-weight: 500;
}

.ide-file-tree__children {
  list-style: none;
  padding: 0;
}

/* Tabs. */
.ide-tabs-host {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.ide-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
}

.ide-tabs__tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-right: 1px solid var(--border);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}

.ide-tabs__tab--active {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.ide-tabs__close {
  color: var(--text-muted);
}

.ide-tabs__close:hover {
  color: var(--error);
}

/* Editor host for CodeMirror. */
.ide-editor__host {
  flex: 1 1 auto;
  overflow: auto;
  min-height: 0;
}

.ide-editor__empty,
.ide-editor__error {
  padding: 1.5rem;
  color: var(--text-secondary);
  font-size: 13px;
}

.ide-editor__cm {
  height: 100%;
}

.ide-editor__cm .cm-editor {
  height: 100%;
  font-family: 'Courier Prime', 'Menlo', 'Consolas', monospace;
}

.ide-editor__cm .cm-scroller {
  font-family: inherit;
}

/* Status bar label/separator text. */
.ide-status__run-pill {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 11px;
  padding: 0 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  height: 16px;
  display: inline-flex;
  align-items: center;
}

.ide-status__run-pill:hover {
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
}

.ide-status__run-item:hover {
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
}

.ide-status__label,
.ide-status__file,
.ide-status__cursor,
.ide-status__save {
  font-size: 11px;
  color: var(--text-secondary);
}

.ide-status__file {
  color: var(--text-primary);
}

.ide-status__sep {
  color: var(--text-muted);
  opacity: 0.5;
}

/* LSP segment — same muted tone as other labels when idle, accent when
 * connected, amber during reconnect, muted when the server is gone. */
.ide-status__lsp {
  font-size: 11px;
  color: var(--text-secondary);
}
.ide-status__lsp--ok {
  color: var(--accent-color);
}
.ide-status__lsp--reconnecting {
  color: var(--warning-color, var(--text-secondary));
}
.ide-status__lsp--unavailable {
  color: var(--text-muted);
}

/* Tool-update pill — subtle button that looks like a label until the
 * user hovers, mirroring the rest of the status-bar aesthetic. */
.ide-status__update-pill {
  font-family: inherit;
  font-size: 11px;
  background: color-mix(in srgb, var(--accent-color) 16%, transparent);
  color: var(--accent-color);
  border: 1px solid color-mix(in srgb, var(--accent-color) 40%, transparent);
  border-radius: 999px;
  padding: 2px 10px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.ide-status__update-pill:hover {
  background: color-mix(in srgb, var(--accent-color) 28%, transparent);
  border-color: var(--accent-color);
}
.ide-status__update-pill:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* AI status pill in the bottom status bar. */
.ide-status__ai-pill {
  font-family: inherit;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--transition), border-color var(--transition);
}
.ide-status__ai-pill--ready {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 40%, transparent);
  background: color-mix(in srgb, var(--success) 10%, transparent);
}
.ide-status__ai-pill--streaming {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.ide-status__ai-pill--off {
  color: var(--text-muted);
  border-color: var(--border);
}
.ide-status__ai-pill--error {
  color: var(--error);
  border-color: color-mix(in srgb, var(--error) 40%, transparent);
  background: color-mix(in srgb, var(--error) 10%, transparent);
}
.ide-status__ai-pill:hover {
  border-color: var(--text-secondary);
  background: color-mix(in srgb, var(--text-secondary) 10%, transparent);
}

/* Install prompt modal. */
.ide-modal__backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--bg-base) 55%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.ide-modal {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  width: min(520px, 92vw);
  max-height: 82vh;
  overflow: auto;
  box-shadow: 0 24px 48px color-mix(in srgb, var(--bg-base) 70%, transparent);
}
.ide-modal__title {
  font-size: 16px;
  margin: 0 0 8px;
  font-weight: 600;
}
.ide-modal__body {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 16px;
}
.ide-modal__cmdrow {
  display: flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--bg-base) 60%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 16px;
}
.ide-modal__cmd {
  flex: 1;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  white-space: nowrap;
  overflow: auto;
}
.ide-modal__copy {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
}
.ide-modal__output {
  max-height: 200px;
  overflow: auto;
  background: color-mix(in srgb, var(--bg-base) 70%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  white-space: pre-wrap;
  margin: 0 0 16px;
}
.ide-modal__output--stderr {
  color: var(--text-secondary);
}
.ide-modal__done {
  font-size: 13px;
  color: var(--accent-color);
  margin: 4px 0 12px;
}
.ide-modal__failed {
  font-size: 13px;
  color: var(--warning-color, var(--text-secondary));
  margin: 4px 0 12px;
}
.ide-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.ide-modal__btn {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
}
.ide-modal__btn:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, var(--bg-surface));
}
.ide-modal__btn--primary {
  background: var(--accent-color);
  color: var(--on-accent, #fff);
  border-color: var(--accent-color);
}
.ide-modal__btn--primary:hover {
  background: color-mix(in srgb, var(--accent-color) 85%, #000);
}
.ide-modal__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Sidebar tabs — Phase 4. */
.ide-sidebar {
  display: flex;
  flex-direction: column;
}

.ide-sidebar__tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.ide-sidebar__tab {
  flex: 1;
  background: transparent;
  color: var(--text-secondary);
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 0.75rem;
  font-size: 11px;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.ide-sidebar__tab:hover {
  color: var(--text-primary);
}

.ide-sidebar__tab.is-active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-color);
}

.ide-sidebar__tab-icon {
  width: 16px;
  height: 16px;
  display: block;
  filter: var(--icon-filter, none);
  opacity: 0.55;
  transition: opacity var(--transition);
}

.ide-sidebar__tab:hover .ide-sidebar__tab-icon,
.ide-sidebar__tab.is-active .ide-sidebar__tab-icon {
  opacity: 1;
}

.ide-sidebar__tab-badge {
  display: inline-block;
  min-width: 16px;
  padding: 0 0.3rem;
  font-size: 10px;
  text-align: center;
  line-height: 14px;
  border-radius: 8px;
  background: var(--accent-color);
  color: var(--on-accent, #fff);
}

.ide-sidebar__bodies {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.ide-sidebar__body {
  min-height: 100%;
}

.ide-sidebar__body[hidden] {
  display: none;
}

/* Source-control panel. */
.ide-scm {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: 12px;
}

.ide-scm__section {
  border-bottom: 1px solid var(--border);
  padding: 0.25rem 0 0.5rem;
}

.ide-scm__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.75rem;
  color: var(--text-secondary);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ide-scm__row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
  color: var(--text-primary);
}

.ide-scm__row:hover {
  background: color-mix(in srgb, var(--accent-color) 8%, transparent);
}

.ide-scm__row.is-selected {
  background: color-mix(in srgb, var(--accent-color) 14%, transparent);
}

.ide-scm__row-mark {
  width: 16px;
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.ide-scm__row-mark--modified { color: var(--warning, #c98f2b); }
.ide-scm__row-mark--added { color: var(--success, #4a8f3f); }
.ide-scm__row-mark--deleted { color: var(--error, #a84040); }
.ide-scm__row-mark--untracked { color: var(--text-muted); }

.ide-scm__row-path {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ide-scm__composer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
}

.ide-scm__composer textarea {
  resize: vertical;
  min-height: 50px;
  padding: 0.4rem 0.5rem;
  font-family: inherit;
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.ide-scm__composer-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 11px;
  color: var(--text-secondary);
}

.ide-scm__composer-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.ide-scm__composer-btn {
  margin-left: auto;
  padding: 0.35rem 0.75rem;
  background: var(--accent-color);
  color: var(--on-accent, #fff);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
}

.ide-scm__composer-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ide-scm__composer-ai-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.ide-scm__ai-btn {
  flex: 1;
  padding: 0.3rem 0.5rem;
  background: var(--bg-elevated);
  color: var(--accent);
  border: 1px solid var(--accent-subtle, var(--border));
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.625rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  text-align: left;
  line-height: 1.3;
}

.ide-scm__ai-btn:hover {
  background: var(--accent-subtle, var(--bg-surface));
  color: var(--accent-hover, var(--accent));
}

.ide-scm__ai-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ide-scm__ai-btn--regen {
  flex: 0 0 auto;
}

.ide-commit-gen-spinner {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.625rem;
}

.ide-scm__empty {
  padding: 0.5rem 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

.ide-scm__branch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-top: 1px solid var(--border);
}

.ide-scm__branch-name {
  font-weight: 500;
  color: var(--text-primary);
}

.ide-scm__branch-counts {
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

.ide-scm__remote-btns {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
}

.ide-scm__remote-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  border-radius: 2px;
  font-size: 11px;
}

.ide-scm__remote-btn:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}

/* Diff view — editor-area replacement. */
.ide-diff {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: auto;
  font-family: 'Courier Prime', 'Menlo', 'Consolas', monospace;
  font-size: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.ide-diff__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  font-family: inherit;
  font-size: 12px;
}

.ide-diff__path {
  font-weight: 500;
}

.ide-diff__stats {
  color: var(--text-secondary);
  font-size: 11px;
}

.ide-diff__header-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  font-size: 11px;
  cursor: pointer;
}

.ide-diff__hunk {
  border-bottom: 1px solid var(--border);
}

.ide-diff__hunk-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  background: color-mix(in srgb, var(--accent-color) 6%, var(--bg-surface));
  color: var(--text-secondary);
  font-size: 11px;
}

.ide-diff__hunk-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  font-size: 10px;
  cursor: pointer;
}

.ide-diff__line {
  display: flex;
  white-space: pre;
  padding: 0 0.75rem;
}

.ide-diff__line--add { background: color-mix(in srgb, var(--success, #4a8f3f) 10%, transparent); }
.ide-diff__line--del { background: color-mix(in srgb, var(--error, #a84040) 10%, transparent); }

.ide-diff__line-marker {
  width: 16px;
  color: var(--text-muted);
}

.ide-diff__line-content {
  flex: 1;
  min-width: 0;
}

/* CM gutter annotations. */
.cm-gutter-scm {
  width: 3px;
  padding: 0;
}

.cm-gutter-scm-mark {
  width: 3px;
  height: 100%;
}

.cm-gutter-scm-mark--add { background: var(--success, #4a8f3f); }
.cm-gutter-scm-mark--mod { background: var(--warning, #c98f2b); }
.cm-gutter-scm-mark--del {
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid var(--error, #a84040);
}

/* Conflict overlay. */
.ide-conflict-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.3rem 0.5rem;
  background: color-mix(in srgb, var(--error, #a84040) 12%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--error, #a84040) 30%, transparent);
  border-radius: 2px;
  font-family: inherit;
  font-size: 11px;
  margin: 0.25rem 0;
}

.ide-conflict-bar button {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  border-radius: 2px;
}

.ide-conflict-bar button:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, var(--bg-surface));
}

/* Branch picker (dropdown). */
.ide-branch-picker {
  position: absolute;
  min-width: 240px;
  max-height: 320px;
  overflow: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: 0 6px 24px color-mix(in srgb, #000 25%, transparent);
  z-index: 40;
  font-size: 12px;
}

.ide-branch-picker__section {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}

.ide-branch-picker__section:last-child {
  border-bottom: 0;
}

.ide-branch-picker__heading {
  padding: 0.2rem 0.75rem;
  color: var(--text-secondary);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ide-branch-picker__row {
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  color: var(--text-primary);
}

.ide-branch-picker__row:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}

.ide-branch-picker__row.is-current {
  color: var(--accent-color);
  font-weight: 500;
}

.ide-branch-picker__new-input {
  width: calc(100% - 1.25rem);
  margin: 0.25rem 0.75rem;
  padding: 0.3rem 0.4rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 2px;
  font-family: inherit;
}

/* Status-bar branch pill. */
.ide-status__branch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.4rem;
  border-radius: 2px;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
}

.ide-status__branch:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  color: var(--text-primary);
}

.ide-status__launch-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.45rem;
  border: 0;
  background: transparent;
  border-radius: 2px;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
}

.ide-status__launch-pill:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  color: var(--text-primary);
}

.ide-status__launch-item:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}


/* ==========================================================================
   Phase 5 — DebugPane (Mockup B: unified narrative card)
   All colours derive from the existing theme tokens. No hex anchors.
   ========================================================================== */

.ide-debug-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  color: var(--text-primary);
}

.ide-debug-pane__body {
  flex: 1 1 auto;
  overflow: auto;
}

.ide-debug-pane__empty,
.ide-debug-pane__install,
.ide-debug-pane__running,
.ide-debug-pane__exited {
  padding: 1.25rem;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.ide-debug-pane__empty-title,
.ide-debug-pane__install-title,
.ide-debug-pane__running h4,
.ide-debug-pane__exited h4 {
  margin: 0 0 0.4rem;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.ide-debug-pane__install-cmd {
  margin: 0.6rem 0 0;
  padding: 0.5rem 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* --- Card ---------------------------------------------------------------- */

.ide-debug-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}

.ide-debug-card__header {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent-color) 4%, var(--bg-primary));
}

.ide-debug-card__icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  background: color-mix(in srgb, var(--accent-color) 14%, transparent);
  color: var(--accent-color);
  border: 1px solid color-mix(in srgb, var(--accent-color) 30%, transparent);
}

.ide-debug-card__icon[data-reason='error_branch'],
.ide-debug-card__icon[data-reason='panic'],
.ide-debug-card__icon[data-reason='nil_deref'] {
  background: color-mix(in srgb, var(--danger-color, #cc4444) 14%, transparent);
  color: var(--danger-color, #cc4444);
  border-color: color-mix(in srgb, var(--danger-color, #cc4444) 34%, transparent);
}

.ide-debug-card__titles {
  flex: 1 1 auto;
  min-width: 0;
}

.ide-debug-card__title {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.ide-debug-card__headline {
  margin-top: 0.25rem;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.35;
}

.ide-debug-card__section {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.ide-debug-card__section:last-child {
  border-bottom: 0;
}

.ide-debug-card__section h5 {
  margin: 0 0 0.55rem;
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.ide-debug-card__narrative {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-primary);
}

/* Inline chips embedded inside the narrative prose. */
.ide-var-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  padding: 1px 6px;
  margin: 0 1px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent-color) 3%, var(--bg-primary));
  border-radius: 2px;
  font-family: 'Courier Prime', monospace;
  font-size: 12px;
  vertical-align: baseline;
}

.ide-var-chip__name { color: var(--text-primary); }
.ide-var-chip__eq   { color: var(--text-secondary); margin: 0 2px; }
.ide-var-chip__val  { color: var(--accent-color); }

.ide-var-chip--changed {
  border-color: color-mix(in srgb, var(--accent-color) 35%, transparent);
}
.ide-var-chip--changed::before {
  content: 'Δ ';
  color: var(--accent-color);
  font-size: 10.5px;
}
.ide-var-chip--err .ide-var-chip__val {
  color: var(--danger-color, #cc4444);
}
.ide-var-chip--nil .ide-var-chip__val {
  color: var(--text-secondary);
  font-style: italic;
}

.ide-source-ref {
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  font-family: 'Courier Prime', monospace;
  font-size: 12.5px;
  color: var(--accent-color);
  cursor: pointer;
  text-decoration: none;
}
.ide-source-ref:hover { text-decoration: underline; }

/* Meta chips above the deltas — blame, env, hit count. */
.ide-debug-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ide-meta-chip {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-primary);
  font-family: 'Courier Prime', monospace;
  font-size: 10.5px;
  color: var(--text-secondary);
}

/* Delta strip. */
.ide-debug-card__delta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
}

.ide-delta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 3px 10px;
  border: 1px solid color-mix(in srgb, var(--accent-color) 25%, transparent);
  border-radius: 2px;
  background: color-mix(in srgb, var(--accent-color) 5%, var(--bg-primary));
}

.ide-delta-item--critical {
  border-color: color-mix(in srgb, var(--danger-color, #cc4444) 50%, transparent);
  background: color-mix(in srgb, var(--danger-color, #cc4444) 8%, var(--bg-primary));
}

.ide-delta-item__name   { color: var(--text-primary); }
.ide-delta-item__before { color: var(--text-secondary); text-decoration: line-through; }
.ide-delta-item__arrow  { color: var(--accent-color); }
.ide-delta-item__after  { color: var(--text-primary); }

.ide-delta-item--critical .ide-delta-item__after {
  color: var(--danger-color, #cc4444);
}

/* Action buttons. */
.ide-debug-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ide-action-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  border-radius: 14px;
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.ide-action-btn:hover {
  border-color: var(--accent-color);
}

.ide-action-btn__sub {
  color: var(--text-secondary);
  font-size: 10.5px;
}

.ide-action-btn__kbd {
  color: var(--text-secondary);
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  margin-left: 0.25rem;
}

/* All variables in scope (collapsible). */
.ide-debug-card__all-state,
.ide-debug-card__watches {
  padding: 0.6rem 1rem 0.85rem;
  border-top: 1px solid var(--border);
}

.ide-debug-card__all-state-summary,
.ide-debug-card__watches-summary {
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem 0;
  outline: none;
}

.ide-debug-card__all-state-body,
.ide-debug-card__watches-body {
  padding-top: 0.4rem;
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
}

.ide-debug-card__all-state-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 2px 0;
  align-items: baseline;
}

.ide-debug-card__all-state-name {
  color: var(--text-primary);
}

.ide-debug-card__all-state-eq {
  color: var(--text-secondary);
  margin: 0 0.25rem;
}

.ide-debug-card__all-state-val {
  color: var(--text-secondary);
  text-align: right;
  word-break: break-all;
  flex: 1 1 auto;
}

.ide-debug-card__all-state-empty,
.ide-debug-card__all-state-placeholder,
.ide-debug-card__all-state-error,
.ide-debug-card__watches-empty {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 11px;
  padding: 0.25rem 0;
}

.ide-debug-card__all-state-error {
  color: var(--danger-color, #cc4444);
}

.ide-debug-card__watches-add {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.ide-debug-card__watches-input {
  flex: 1 1 auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-primary);
  padding: 0.25rem 0.4rem;
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
}

.ide-debug-card__watches-input:focus {
  outline: 1px solid color-mix(in srgb, var(--accent-color) 50%, transparent);
  outline-offset: -1px;
}

.ide-debug-card__watches-submit {
  background: color-mix(in srgb, var(--accent-color) 12%, var(--bg-primary));
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-primary);
  padding: 0.25rem 0.6rem;
  font-size: 11px;
  cursor: pointer;
}

.ide-debug-card__watches-submit:hover {
  border-color: var(--accent-color);
}

.ide-debug-card__watches-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ide-debug-card__watches-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 0.35rem;
  align-items: baseline;
  padding: 2px 0;
}

.ide-debug-card__watches-expr {
  color: var(--text-primary);
}

.ide-debug-card__watches-eq {
  color: var(--text-secondary);
}

.ide-debug-card__watches-val {
  color: var(--text-secondary);
  text-align: right;
  word-break: break-all;
}

.ide-debug-card__watches-val--err {
  color: var(--danger-color, #cc4444);
}

.ide-debug-card__watches-val--empty {
  color: var(--text-muted, var(--text-secondary));
}

.ide-debug-card__watches-remove {
  background: transparent;
  border: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.25rem;
}

.ide-debug-card__watches-remove:hover {
  color: var(--danger-color, #cc4444);
}

/* Tiny editor context menu (Add watch). */
.ide-context-menu {
  background: var(--bg-secondary, var(--bg-primary));
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--bg-primary) 80%, transparent);
  min-width: 160px;
  padding: 0.2rem 0;
}

.ide-context-menu__item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
}

.ide-context-menu__item:hover {
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}

/* Breadcrumb call stack — sits above the editor when paused. */
.ide-debug-callstack-host {
  flex: 0 0 auto;
}

.ide-debug-callstack {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.75rem;
  background: color-mix(in srgb, var(--accent-color) 4%, var(--bg-primary));
  border-bottom: 1px solid var(--border);
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
}

.ide-debug-callstack[hidden] {
  display: none;
}

.ide-debug-callstack__frame {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  padding: 2px 8px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
}

.ide-debug-callstack__frame:hover {
  border-color: var(--accent-color);
}

.ide-debug-callstack__frame--current {
  background: color-mix(in srgb, var(--danger-color, #cc4444) 10%, transparent);
  border-color: color-mix(in srgb, var(--danger-color, #cc4444) 50%, transparent);
}

.ide-debug-callstack__frame--current::before {
  content: '\u25B6';
  color: var(--danger-color, #cc4444);
  margin-right: 0.25rem;
  font-size: 10px;
}

.ide-debug-callstack__name {
  color: var(--text-primary);
  font-weight: 500;
}

.ide-debug-callstack__where {
  color: var(--text-secondary);
  font-size: 10.5px;
}

.ide-debug-callstack__chev {
  color: var(--text-secondary);
  font-size: 10px;
}

/* Editor row tints — paused (red) and culprit (amber). */
.cm-debug-row {
  pointer-events: none;
}

.cm-debug-row--paused {
  background: color-mix(in srgb, var(--danger-color, #cc4444) 12%, transparent);
  box-shadow: inset 3px 0 0 var(--danger-color, #cc4444);
}

.cm-debug-row--culprit {
  background: color-mix(in srgb, var(--warning, #d4a574) 12%, transparent);
  box-shadow: inset 3px 0 0 var(--warning, #d4a574);
}

/* Breakpoint dots — clickable column at the editor's left edge. */
.cm-debug-bp-dot {
  background: var(--danger-color, #cc4444);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--bg-primary) 50%, transparent);
}

/* ==========================================================================
   Tier 2.5 — Editor polish extensions
   ========================================================================== */

/* Rainbow bracket colours (levels 1..8, cycling via JS assignment) */
.cm-rainbow-bracket-1 { color: var(--rainbow-1); }
.cm-rainbow-bracket-2 { color: var(--rainbow-2); }
.cm-rainbow-bracket-3 { color: var(--rainbow-3); }
.cm-rainbow-bracket-4 { color: var(--rainbow-4); }
.cm-rainbow-bracket-5 { color: var(--rainbow-5); }
.cm-rainbow-bracket-6 { color: var(--rainbow-6); }
.cm-rainbow-bracket-7 { color: var(--rainbow-7); }
.cm-rainbow-bracket-8 { color: var(--rainbow-8); }

/* Sticky scroll header — rendered above the editor while scrolled inside a
   function/class body. Click returns to the enclosing node start. */
.ide-sticky-scroll-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg-elevated) 95%, transparent);
  border-bottom: 1px solid var(--border);
  padding: 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}

.ide-sticky-scroll-header:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--bg-elevated) 100%, transparent);
}

/* TODO / FIXME / XXX / HACK in-comment highlights */
.cm-todo   { color: var(--todo-color);  font-weight: 600; }
.cm-fixme  { color: var(--fixme-color); font-weight: 700; }
.cm-xxx    { color: var(--xxx-color);   font-weight: 600; }
.cm-hack   { color: var(--hack-color);  font-weight: 600; }

/* URL spans inside comments */
.cm-url {
  color: var(--research);
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
}

/* ==========================================================================
   Tier 3 — Cmd+K inline-edit overlay
   ========================================================================== */

.ide-cmdk-overlay {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 280px;
  overflow: hidden;
}

.ide-cmdk-overlay__input-row {
  display: flex;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.ide-cmdk-overlay__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 0;
  min-width: 0;
}

.ide-cmdk-overlay__input::placeholder {
  color: var(--text-muted);
}

.ide-cmdk-overlay__input:disabled {
  opacity: 0.55;
}

.ide-cmdk-overlay__ghost {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 60%, var(--bg-surface));
}

.ide-cmdk-overlay__ghost-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.ide-cmdk-overlay__preview {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding: 0;
  max-height: 240px;
  overflow-y: auto;
  line-height: 1.5;
}

.ide-cmdk-overlay__error {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--error);
}

/* Spinner: simple rotation on a pseudo-element dot sequence */
.ide-cmdk-overlay__spinner {
  display: inline-block;
  margin-left: 0.4rem;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--accent);
  animation: ide-cmdk-spin-dots 1.2s steps(4, end) infinite;
}

.ide-cmdk-overlay__spinner::after {
  content: '\2026'; /* horizontal ellipsis */
}

@keyframes ide-cmdk-spin-dots {
  0%   { opacity: 1; }
  25%  { opacity: 0.6; }
  50%  { opacity: 0.3; }
  75%  { opacity: 0.6; }
  100% { opacity: 1; }
}

.ide-cmdk-overlay__actions {
  display: flex;
  gap: 0.4rem;
  padding: 0.35rem 0.5rem;
  background: var(--bg-surface);
}

.ide-cmdk-overlay__btn {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: background var(--transition), border-color var(--transition);
}

.ide-cmdk-overlay__btn--accept {
  background: color-mix(in srgb, var(--accent) 15%, var(--bg-elevated));
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--accent);
}

.ide-cmdk-overlay__btn--accept:hover {
  background: color-mix(in srgb, var(--accent) 25%, var(--bg-elevated));
}

.ide-cmdk-overlay__btn--reject:hover {
  background: color-mix(in srgb, var(--error) 15%, var(--bg-elevated));
  border-color: color-mix(in srgb, var(--error) 40%, transparent);
  color: var(--error);
}

/* ---------------------------------------------------------------------------
   Chat panel (Phase 7 Tier 4)
   --------------------------------------------------------------------------- */

.ide-chat-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--bg-surface);
}

.ide-chat-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--gap-sm);
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.ide-chat-panel__empty {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  padding: var(--gap-md);
  text-align: center;
  line-height: 1.5;
}

.ide-chat-panel__input-area {
  border-top: 1px solid var(--border);
  padding: var(--gap-sm);
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

.ide-chat-panel__toggle-row {
  display: flex;
  align-items: center;
  gap: var(--gap-xs);
}

.ide-chat-panel__toggle-label {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3em;
  user-select: none;
}

.ide-chat-panel__toggle-checkbox {
  accent-color: var(--accent);
  cursor: pointer;
}

.ide-chat-panel__input-row {
  display: flex;
  gap: var(--gap-xs);
  align-items: flex-end;
}

.ide-chat-panel__textarea {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.5;
  padding: 0.4rem 0.6rem;
  resize: none;
  min-height: 2.4rem;
  max-height: 200px;
  overflow-y: auto;
  transition: var(--transition);
}

.ide-chat-panel__textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.ide-chat-panel__textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ide-chat-panel__btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

/* Message bubbles */

.ide-chat-message {
  max-width: 100%;
  border-radius: var(--radius);
  padding: var(--gap-sm) var(--gap-md);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  line-height: 1.6;
  word-break: break-word;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.ide-chat-message--user {
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-elevated));
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--text-primary);
  align-self: flex-end;
}

.ide-chat-message--assistant {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-primary);
  align-self: flex-start;
}

.ide-chat-message.pending {
  border-style: dashed;
  opacity: 0.8;
}

.ide-chat-message__text {
  margin: 0;
  white-space: pre-wrap;
}

.ide-chat-message__text + .ide-chat-message__text {
  margin-top: 0.5em;
}

/* Spinner */

.ide-chat-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid var(--text-muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ide-chat-spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes ide-chat-spin {
  to { transform: rotate(360deg); }
}

/* Code blocks */

.ide-chat-code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: var(--gap-xs) 0;
}

.ide-chat-code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.5rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.ide-chat-code-block__lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

.ide-chat-code-block__btns {
  display: flex;
  gap: var(--gap-xs);
}

.ide-chat-code-block__btn {
  font-size: 0.72rem;
  padding: 0.15rem 0.4rem;
  height: auto;
  line-height: 1.4;
}

.ide-chat-code-block__pre {
  margin: 0;
  overflow-x: auto;
  background: var(--bg-primary);
  padding: var(--gap-sm);
}

.ide-chat-code-block__code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-primary);
  white-space: pre;
}

.ide-chat-message.cancelled {
  opacity: 0.6;
  font-style: italic;
  border-style: dashed;
}

/* ---------------------------------------------------------------------------
   Phase 8 Tier 4 — Plugins pane
   --------------------------------------------------------------------------- */

.ide-plugins-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  background: var(--bg-surface);
  font-family: var(--font-sans);
}

.ide-plugins-pane__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gap-sm) var(--gap-sm) var(--gap-xs);
  border-bottom: 1px solid var(--border);
  gap: var(--gap-xs);
}

.ide-plugins-pane__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.ide-plugins-pane__load-btn {
  font-size: 0.72rem;
  padding: 0.1rem 0.4rem;
  color: var(--accent);
  border: 1px solid var(--accent-subtle);
  transition: var(--transition);
}

.ide-plugins-pane__load-btn:hover {
  background: var(--accent-subtle);
}

.ide-plugins-pane__empty,
.ide-plugins-pane__loading,
.ide-plugins-pane__error {
  padding: var(--gap-md);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-style: italic;
}

.ide-plugins-pane__error {
  color: var(--error, #a84040);
  font-style: normal;
}

.ide-plugins-pane__list {
  list-style: none;
  margin: 0;
  padding: var(--gap-xs) 0;
}

.ide-plugins-row {
  padding: var(--gap-xs) var(--gap-sm);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
  transition: background var(--transition);
}

.ide-plugins-row:hover {
  background: var(--bg-elevated);
}

.ide-plugins-row__name-row {
  display: flex;
  align-items: baseline;
  gap: var(--gap-xs);
}

.ide-plugins-row__name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}

.ide-plugins-row__version {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.ide-plugins-row__caps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.ide-plugins-cap-badge {
  font-size: 0.66rem;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid var(--border);
  cursor: default;
  font-family: var(--font-sans);
}

.ide-plugins-row__toggle-row {
  display: flex;
  align-items: center;
}

.ide-plugins-row__toggle-label {
  display: flex;
  align-items: center;
  gap: var(--gap-xs);
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-secondary);
  user-select: none;
}

.ide-plugins-row__toggle-input {
  accent-color: var(--accent);
  cursor: pointer;
}

.ide-plugins-row__toggle-text {
  font-size: 0.75rem;
}

/* ---------------------------------------------------------------------------
   Phase 8 Tier 4 — Developer menu in status bar
   --------------------------------------------------------------------------- */

.ide-dev-menu {
  position: relative;
  display: inline-block;
}

.ide-dev-menu__trigger {
  font-size: 0.72rem;
  padding: 0 0.5rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-secondary);
  transition: var(--transition);
}

.ide-dev-menu__trigger:hover {
  color: var(--text-primary);
}

.ide-dev-menu__dropdown {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  overflow: hidden;
}

.ide-dev-menu__item {
  display: block;
  width: 100%;
  padding: var(--gap-xs) var(--gap-sm);
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--transition);
}

.ide-dev-menu__item:hover {
  background: var(--bg-surface);
  color: var(--accent);
}

/* ---------------------------------------------------------------------------
   Phase 8 Tier 4 — Load Unpacked dialog
   --------------------------------------------------------------------------- */

.ide-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ide-dialog {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--gap-lg);
  width: 460px;
  max-width: calc(100vw - 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
  font-family: var(--font-sans);
}

.ide-dialog__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.ide-dialog__desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.ide-dialog__field-group {
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

.ide-dialog__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ide-dialog__input {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap-xs) var(--gap-sm);
  color: var(--text-primary);
  font-size: 0.84rem;
  font-family: var(--font-mono);
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--transition);
}

.ide-dialog__input:focus {
  outline: none;
  border-color: var(--accent);
}

.ide-dialog__inline-error {
  font-size: 0.78rem;
  color: var(--error, #a84040);
  padding: var(--gap-xs) 0;
}

.ide-dialog__btn-row {
  display: flex;
  justify-content: flex-end;
  gap: var(--gap-sm);
  margin-top: var(--gap-xs);
}

.ide-load-unpacked-preview {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap-sm);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

.ide-load-unpacked-preview__heading {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.ide-load-unpacked-preview__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem var(--gap-sm);
  margin: 0;
}

.ide-load-unpacked-preview__grid dt {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.ide-load-unpacked-preview__grid dd {
  color: var(--text-primary);
  font-size: 0.75rem;
  margin: 0;
  font-family: var(--font-mono);
}

.ide-load-unpacked-preview__caps-section {
  margin-top: var(--gap-xs);
}

.ide-load-unpacked-preview__cap-heading {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.ide-load-unpacked-preview__cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ide-load-unpacked-preview__cap-list li {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.ide-load-unpacked-preview__no-caps {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}