/* ==========================================================================
   File Browser
   ========================================================================== */

/* --- Session actions ---
   Compact icon+caption grid. Tile styles come from .palette-tile in
   sidebar.css so the same tiles render correctly in both the active
   grid here and the hidden-grid when edit-mode moves them. */
#session-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 0 8px 4px;
}

/* Badge becomes a small corner indicator in icon-only grid */
.sidebar-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(var(--overlay-rgb), 0.15);
  color: var(--text-dimmer);
  font-size: 9px;
  font-weight: 700;
  min-width: 14px;
  height: 14px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  line-height: 1;
  pointer-events: none;
}
.sidebar-badge.hidden { display: none; }

/* Sticky-notes badge stays clickable in the icon grid — it toggles the
   archive panel. The old inline "Open Archive" expand label doesn't fit
   a corner dot, so it's gone; the cursor and hover color still signal
   that the badge itself is interactive. */
#sticky-notes-sidebar-count {
  cursor: pointer;
  pointer-events: auto;
  transition: background 0.15s ease, color 0.15s ease;
}
#sticky-notes-sidebar-count:hover {
  background: var(--accent);
  color: #fff;
}

/* --- Panels --- */
.sidebar-panel { flex: 1; overflow-y: auto; min-height: 0; }
.sidebar-panel.hidden { display: none; }

/* --- File browser header --- */
#sessions-header-content.hidden,
#files-header-content.hidden {
  display: none;
}

#file-panel-refresh.spinning,
#file-viewer-refresh.spinning { animation: spin-once 0.5s ease; }
@keyframes spin-once { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* --- File browser panel background --- */
#sidebar-panel-files {
  background: var(--filebrowser-bg);
  border: 1px solid var(--filebrowser-border);
  border-radius: 8px;
  margin: 6px 6px 12px;
  display: flex;
  flex-direction: column;
  /* Own the scroll: inner file-tree scrolls, titlebar/search/hint stay
     anchored. Without this the whole panel (inherited overflow-y:auto
     from .sidebar-panel) scrolled past the search bar. */
  overflow: hidden;
}
#sidebar-panel-files.hidden { display: none; }
#sidebar-panel-files #file-tree {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* Keyboard hint footer — pinned below the tree, always visible. */
.fb-kb-hint {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 8px;
  border-top: 1px solid var(--border-subtle);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-dimmer);
}
.fb-kb-hint kbd {
  display: inline-block;
  padding: 1px 5px;
  margin: 0 1px;
  background: var(--bg-alt);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 10px;
  font-family: inherit;
  color: var(--text-muted);
}
.fb-kb-hint span {
  opacity: 0.9;
}

/* --- File browser titlebar --- */
.fb-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 6px;
  border-bottom: 1px solid var(--filebrowser-border);
  flex-shrink: 0;
  user-select: none;
}
.fb-titlebar-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  flex: 1;
  text-align: center;
  pointer-events: none;
}
.fb-titlebar button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-dimmer);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s, background 0.15s;
}
.fb-titlebar button .lucide { width: 13px; height: 13px; }
.fb-titlebar button:hover { color: var(--text); background: var(--sidebar-hover); }

/* --- File search bar (always visible) --- */
.fb-search-bar {
  display: flex;
  align-items: center;
  padding: 4px 6px 6px;
  position: relative;
  flex-shrink: 0;
}
.fb-search-icon {
  position: absolute;
  left: 14px;
  width: 13px;
  height: 13px;
  color: var(--text-dimmer);
  pointer-events: none;
}
#fb-search-input {
  width: 100%;
  height: 28px;
  padding: 0 8px 0 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s;
}
#fb-search-input:focus { border-color: var(--accent); }
#fb-search-input::placeholder { color: var(--text-dimmer); }

/* Search match highlight */
.file-tree-name mark {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
.fb-search-empty {
  padding: 16px 12px;
  font-size: 12px;
  color: var(--text-dimmer);
  text-align: center;
}

#file-tree {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

#sidebar-panel-files.fb-enter { animation: fb-in 0.2s ease-out both; }
#sidebar-panel-files.fb-exit  { animation: fb-out 0.15s ease-in both; }

@keyframes fb-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fb-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(6px); }
}

/* --- Drag-and-drop file path into input --- */
.file-tree-item[draggable="true"] { cursor: grab; }
.file-tree-item[draggable="true"]:active { cursor: grabbing; }

#input.drop-target {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: var(--accent-8);
}

.fb-drop-hint {
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 2px 8px rgba(var(--shadow-rgb), 0.25);
  transition: opacity 0.15s, transform 0.15s;
}
.fb-drop-hint.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- File tree --- */
#file-tree { padding: 4px 8px; }

.file-tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.file-tree-item:hover { background: var(--sidebar-hover); color: var(--text); }
.file-tree-item.active { background: var(--sidebar-active); color: var(--text); }
/* Keyboard focus ring (arrow-key navigation) — separate from .active
   so the currently-opened file stays visually marked even while the
   user is exploring elsewhere with the arrows. */
.file-tree-item.fb-kb-focus {
  background: var(--sidebar-hover);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--accent);
}
#file-tree:focus { outline: none; }
#file-tree:focus .file-tree-item.fb-kb-focus {
  background: var(--sidebar-active);
}
.file-tree-item .lucide { width: 14px; height: 14px; flex-shrink: 0; }

.file-tree-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.file-tree-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  line-height: 0;
}

.file-tree-icon svg {
  width: 16px;
  height: 16px;
}

.file-tree-chevron {
  display: inline-flex;
  color: var(--text-dimmer);
  transition: transform 0.15s;
  flex-shrink: 0;
}

.file-tree-chevron .lucide { width: 12px; height: 12px; }
.file-tree-item.expanded > .file-tree-chevron { transform: rotate(90deg); }

.file-tree-spacer { width: 12px; flex-shrink: 0; }

.file-tree-children.hidden { display: none; }

.file-tree-loading,
.file-tree-empty {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-dimmer);
  font-style: italic;
}

.file-tree-error {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--error);
}

/* --- Panel fullscreen --- */
@media (min-width: 1024px) {
  #main-column:has(.panel-fullscreen:not(.hidden)) > .title-bar-content { display: none; }
  #main-panels:has(.panel-fullscreen:not(.hidden)) > #app { display: none; }
}
@media (max-width: 1023px) {
  #file-viewer-fullscreen,
  #terminal-fullscreen { display: none; }
}

/* --- Project settings --- */
#project-settings {
  width: 100%;
  max-width: none;
  min-width: 0;
  display: flex;
  overflow: hidden;
  border-left: 1px solid var(--border-subtle);
}
#project-settings.hidden { display: none; }

.project-settings-layout {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  background: var(--sidebar-bg);
  position: relative;
}

.project-settings-layout::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 50%;
  background: var(--bg);
  z-index: 0;
  pointer-events: none;
}

.project-settings-layout > * {
  position: relative;
  z-index: 1;
}

.project-settings-nav {
  width: 232px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  justify-content: flex-end;
}

.project-settings-nav-inner {
  width: 200px;
  flex-shrink: 0;
  padding: 60px 6px 40px 0;
}

.project-settings-content {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 740px;
  background: var(--bg);
  overflow-y: auto;
  overflow-x: hidden;
}

.project-settings-content-inner {
  padding: 60px 40px 60px 40px;
}

.project-settings-close-col {
  position: absolute;
  top: 60px;
  right: 20px;
  z-index: 5;
}

/* Project settings sections */
.ps-section { display: none; }
.ps-section.active { display: block; }
.ps-section h2 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 20px; }

.ps-section-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: -8px 0 20px;
}

/* MCP Servers Modal */
#mcp-modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; }
#mcp-modal.hidden { display: none; }
.mcp-dialog {
  width: 480px;
  max-width: 94vw;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.mcp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.mcp-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.mcp-title .lucide { width: 18px; height: 18px; }
.mcp-content {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}
.mcp-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.5;
}
.mcp-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
}
.mcp-empty .lucide { width: 32px; height: 32px; margin-bottom: 12px; opacity: 0.4; }
.mcp-empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 6px;
}
.mcp-empty-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}
.mcp-ext-setup-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-hover, rgba(255,255,255,0.06));
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}
.mcp-ext-setup-btn:hover {
  background: var(--bg-active, rgba(255,255,255,0.1));
}
.mcp-ext-setup-btn .lucide {
  width: 14px;
  height: 14px;
}
.mcp-install-cmd-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  max-width: 100%;
}
.mcp-install-cmd {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg-deep, rgba(0,0,0,0.25));
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
  font-size: 12px;
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
  line-height: 1.4;
}
.mcp-install-copy-btn {
  flex-shrink: 0;
  padding: 6px 8px;
  background: var(--bg-hover, rgba(255,255,255,0.06));
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s;
}
.mcp-install-copy-btn:hover {
  background: var(--bg-active, rgba(255,255,255,0.1));
}
.mcp-install-copy-btn .lucide {
  width: 14px;
  height: 14px;
}
.mcp-steps {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mcp-step {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  transition: opacity 0.15s;
}
.mcp-step.disabled {
  opacity: 0.4;
  pointer-events: none;
}
.mcp-step-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  color: var(--text-muted);
}
.mcp-step-icon.done {
  color: var(--green, #2ecc71);
}
.mcp-step-icon .lucide {
  width: 20px;
  height: 20px;
}
.mcp-step-body {
  flex: 1;
  min-width: 0;
}
.mcp-step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.mcp-step-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}
.mcp-step.done .mcp-step-desc {
  color: var(--green, #2ecc71);
}
.mcp-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}
.mcp-server-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.mcp-server-row:last-child { border-bottom: none; }
.mcp-server-row:hover { background: var(--bg-dim); margin: 0 -20px; padding: 10px 20px; }
.mcp-server-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.mcp-server-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.mcp-server-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.mcp-server-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* Beta toggle row inside settings card */
.ps-beta-toggle-row,
.ss-beta-toggle-row {
  margin-top: 8px;
  padding: 0;
  cursor: pointer;
}

/* Profile: name row */
.ps-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ps-rename-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.ps-rename-form.hidden { display: none; }

.ps-rename-actions {
  display: flex;
  gap: 6px;
}

.ps-text-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.ps-text-input:focus { border-color: var(--accent); }

/* Profile: owner row */
.ps-owner-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ps-owner-locked-hint {
  font-size: 12px;
  color: var(--text-muted);
  width: 100%;
}
.ps-owner-locked-hint.hidden { display: none; }

.ps-transfer-form {
  margin-top: 8px;
}

.ps-select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  margin-bottom: 8px;
}

/* Profile: icon row */
.ps-icon-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ps-icon-preview {
  font-size: 32px;
  line-height: 1;
  min-width: 40px;
  text-align: center;
}

.ps-icon-preview:empty::after {
  content: "—";
  font-size: 14px;
  color: var(--text-dimmer);
}

/* Textarea */
.ps-textarea {
  width: 100%;
  min-height: 200px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  outline: none;
  resize: vertical;
  transition: border-color 0.15s;
}
.ps-textarea:focus { border-color: var(--accent); }
.ps-textarea-mono { font-family: "Roboto Mono", monospace; font-size: 12px; }

.ps-textarea-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.ps-save-status {
  font-size: 12px;
  color: var(--text-dimmer);
}

/* Environment notice */
.ps-env-notice {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(var(--overlay-rgb), 0.04);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}
.ps-env-notice.hidden { display: none; }
.ps-env-notice .lucide { width: 14px; height: 14px; flex-shrink: 0; margin-top: 2px; }

/* Environment key-value list */
.ps-env-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.ps-env-header .settings-btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.ps-env-header .settings-btn-sm .lucide { width: 14px; height: 14px; }

.ps-env-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ps-env-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ps-env-key {
  flex: 0 0 40%;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.ps-env-key:focus { border-color: var(--accent); }
.ps-env-key::placeholder { color: var(--text-dimmer); }

.ps-env-val {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.ps-env-val:focus { border-color: var(--accent); }
.ps-env-val::placeholder { color: var(--text-dimmer); }

.ps-env-del {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-dimmer);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.ps-env-del:hover { background: var(--error-12); color: var(--error); }
.ps-env-del .lucide { width: 16px; height: 16px; }

/* Environment tabs (Project / Shared) */
.ps-env-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.ps-env-tab {
  padding: 8px 16px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}

.ps-env-tab:hover {
  color: var(--text-secondary);
}

.ps-env-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.ps-env-tab-content {
  display: none;
}

.ps-env-tab-content.active {
  display: block;
}

@media (max-width: 1023px) {
  #project-settings {
    position: fixed;
    inset: 0;
    z-index: 300;
    border-left: none;
  }
}

@media (max-width: 768px) {
  .project-settings-layout {
    flex-direction: column;
    background: var(--sidebar-bg);
  }

  .project-settings-layout::after {
    display: none;
  }

  .project-settings-nav {
    width: 100%;
    flex-shrink: 0;
    justify-content: flex-start;
    overflow-y: visible;
    border-bottom: 1px solid var(--border-subtle);
  }

  .project-settings-nav-inner {
    width: 100%;
    padding: var(--safe-top) 0 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  /* Hide desktop nav items on mobile, show dropdown instead */
  .project-settings-nav .server-settings-nav-items {
    display: none;
  }

  .project-settings-nav .settings-nav-dropdown {
    display: block;
    width: calc(100% - 32px);
    margin: 0 16px 12px;
  }

  .project-settings-content {
    flex: 1 1 auto;
    max-width: none;
    background: var(--bg);
  }

  .project-settings-content-inner {
    padding: 24px 16px;
  }

  .project-settings-close-col {
    position: absolute;
    top: calc(var(--safe-top) + 8px);
    right: 12px;
    z-index: 10;
  }

  .project-settings-close-col .server-settings-close-btn {
    width: 36px;
    height: 36px;
    background: none;
    border: none;
  }

  .project-settings-close-col .server-settings-close-btn span {
    display: none;
  }
}

/* --- File viewer --- */

/* Wide screens: split panel beside #app */
@media (min-width: 1024px) {
  #file-viewer {
    width: 50%;
    max-width: 720px;
    min-width: 360px;
    border-left: 1px solid var(--border);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
    transition: max-width 0.2s ease, width 0.2s ease;
  }
  #file-viewer.hidden { display: none; }
  #file-viewer.file-viewer-wide {
    width: 70%;
    max-width: 1200px;
  }
  #file-viewer.panel-fullscreen {
    width: 100%;
    max-width: none;
    min-width: 0;
  }
}

/* Narrow screens: full overlay */
@media (max-width: 1023px) {
  #file-viewer {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 300;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  #file-viewer.hidden { display: none; }
}

.file-viewer-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  min-height: 44px;
}

.file-viewer-path {
  flex: 1;
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  direction: rtl;
  text-align: left;
}

.file-viewer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}

.file-viewer-btn:hover { background: var(--sidebar-hover); color: var(--text); }
.file-viewer-btn.active { background: var(--accent-bg); color: var(--accent); }
.file-viewer-btn.hidden { display: none; }
.file-viewer-btn .lucide { width: 16px; height: 16px; }

/* --- Markdown rendered view --- */
.file-viewer-markdown {
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.file-viewer-markdown h1,
.file-viewer-markdown h2,
.file-viewer-markdown h3,
.file-viewer-markdown h4 { color: var(--text); margin: 1.2em 0 0.5em; }
.file-viewer-markdown h1 { font-size: 1.6em; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.3em; }
.file-viewer-markdown h2 { font-size: 1.3em; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.3em; }
.file-viewer-markdown h3 { font-size: 1.1em; }

.file-viewer-markdown p { margin: 0.6em 0; }
.file-viewer-markdown a { color: var(--accent); text-decoration: none; }
.file-viewer-markdown a:hover { text-decoration: underline; }

.file-viewer-markdown ul,
.file-viewer-markdown ol { padding-left: 1.5em; margin: 0.5em 0; }
.file-viewer-markdown li { margin: 0.25em 0; }

.file-viewer-markdown code {
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.file-viewer-markdown pre {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  margin: 0.8em 0;
}

.file-viewer-markdown pre code {
  background: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.5;
}

.file-viewer-markdown blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin: 0.8em 0;
  color: var(--text-secondary);
}

.file-viewer-markdown table {
  border-collapse: collapse;
  margin: 0.8em 0;
  width: 100%;
}

.file-viewer-markdown th,
.file-viewer-markdown td {
  border: 1px solid var(--border);
  padding: 6px 12px;
  text-align: left;
  font-size: 13px;
}

.file-viewer-markdown th { background: var(--bg-alt); font-weight: 600; }

.file-viewer-markdown hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 1.5em 0;
}

.file-viewer-markdown img { max-width: 100%; border-radius: 8px; }

.file-viewer-body {
  flex: 1;
  overflow: auto;
  padding: 0;
}

.file-viewer-body pre {
  margin: 0;
  padding: 16px 20px;
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
}

.file-viewer-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  line-height: inherit;
}

/* Code with line numbers */
.file-viewer-code {
  display: flex;
  min-height: 0;
}

.file-viewer-code pre {
  margin: 0;
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre;
  word-break: normal;
  tab-size: 2;
}

.file-viewer-gutter {
  flex-shrink: 0;
  padding: 12px 10px 12px 14px;
  text-align: right;
  color: var(--text-dimmer);
  opacity: 0.5;
  user-select: none;
  -webkit-user-select: none;
  border-right: 1px solid var(--border-subtle);
  min-width: 44px;
  position: sticky;
  left: 0;
  background: var(--bg);
  z-index: 1;
}

.file-viewer-code-content {
  flex: 1;
  padding: 12px 14px;
  min-width: 0;
}

.file-viewer-code-content code {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  background: none;
  padding: 0;
  border-radius: 0;
}

.file-viewer-code-content .hljs {
  background: transparent;
  padding: 0;
}

.file-viewer-binary {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dimmer);
  font-size: 14px;
}

.file-viewer-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.file-viewer-image img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

/* --- Web Terminal --- */

/* Terminal header with tabs */
.terminal-header {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  min-height: 40px;
  background: var(--bg);
}

.terminal-tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 0;
  min-width: 0;
  padding-left: 4px;
}

.terminal-tabs::-webkit-scrollbar { display: none; }

.terminal-new-tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 6px;
  padding: 0;
  margin: 4px 2px;
  transition: background 0.15s, color 0.15s;
}
.terminal-new-tab-btn:hover { background: rgba(var(--overlay-rgb),0.08); color: var(--text); }
.terminal-new-tab-btn .lucide { width: 14px; height: 14px; }

.terminal-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px;
  font-size: 12px;
  font-family: "Pretendard", sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  flex-shrink: 0;
  user-select: none;
}

.terminal-tab:hover { color: var(--text-secondary); }
.terminal-tab.active { color: var(--text); border-color: var(--accent); }
.terminal-tab.exited { opacity: 0.5; }


.terminal-tab-more {
  display: none;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: none;
  background: transparent;
  color: var(--text-dimmer);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.terminal-tab:hover .terminal-tab-more,
.terminal-tab.active .terminal-tab-more { display: flex; }
.terminal-tab-more:hover { background: rgba(var(--overlay-rgb),0.1); color: var(--text); }

.terminal-tab-ctx {
  position: fixed;
  z-index: 9999;
  min-width: 120px;
  background: var(--bg-elevated, var(--bg));
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.terminal-tab-ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.terminal-tab-ctx-item:hover {
  background: rgba(var(--overlay-rgb),0.08);
  color: var(--text);
}

.terminal-tab-ctx-danger:hover {
  color: #e74c3c;
}

.terminal-tab-label { cursor: default; }

.terminal-tab-rename {
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--text);
  font-size: 12px;
  font-family: "Roboto Mono", monospace;
  padding: 1px 4px;
  outline: none;
  width: 100px;
}

.terminal-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  flex-shrink: 0;
  margin-left: auto;
}

/* Wide screens: split panel beside #app */
@media (min-width: 1024px) {
  #terminal-container {
    width: 50%;
    max-width: 720px;
    min-width: 360px;
    min-height: 0;
    border-left: 1px solid var(--border);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
  }
  #terminal-container.hidden { display: none; }
  #terminal-container.panel-fullscreen {
    width: 100%;
    max-width: none;
    min-width: 0;
  }
}

/* Narrow screens: full overlay */
@media (max-width: 1023px) {
  #terminal-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding-top: var(--safe-top);
    padding-bottom: var(--safe-bottom);
    background: var(--bg);
    z-index: 300;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  #terminal-container.hidden { display: none; }
}

#terminal-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.terminal-tab-body {
  position: absolute;
  inset: 0;
  padding: 4px 0 0 4px;
}

.terminal-tab-body .xterm {
  height: 100%;
  overflow: hidden;
}

/* --- Terminal key toolbar (mobile) --- */
.term-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: #252525;
  border-bottom: 1px solid #333;
  flex-shrink: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.term-key {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 40px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #333;
  color: #d4d4d4;
  font-family: "Roboto Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background 0.1s, border-color 0.1s;
}

.term-key:active {
  background: #555;
  border-color: #666;
}

.term-key-toggle.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.term-key-arrow {
  min-width: 34px;
  padding: 0 6px;
  font-size: 10px;
}

.term-key-spacer {
  flex: 1;
  min-width: 4px;
}

.terminal-hint {
  padding: 16px;
  font-size: 13px;
  color: var(--text-dimmer);
  font-style: italic;
}

/* --- Terminal context menu --- */
.term-ctx-menu {
  position: fixed;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 0;
  min-width: 160px;
  box-shadow: 0 4px 16px rgba(var(--shadow-rgb), 0.4);
  z-index: 500;
}

.term-ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.term-ctx-item .lucide { width: 14px; height: 14px; flex-shrink: 0; }
.term-ctx-item:hover { background: rgba(var(--overlay-rgb), 0.05); }

/* --- File Edit History --- */

.file-history-panel {
  padding: 16px 20px;
  height: 100%;
  overflow-y: auto;
}

.file-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.file-history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-history-entry {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}

.file-history-entry:hover { border-color: var(--accent); }
.file-history-entry.no-navigate { cursor: default; opacity: 0.7; }
.file-history-entry.no-navigate:hover { border-color: var(--border); }

.file-history-entry.selected {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.file-history-entry.selected::before {
  content: attr(data-select-num);
  position: absolute;
  top: -6px;
  left: -6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-history-entry.git-entry {
  border-left: 3px solid var(--text-dimmer);
}

.file-history-entry.git-entry.selected {
  border-left-color: var(--accent);
}

.file-history-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.file-history-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
}

.file-history-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--accent2-bg);
  color: var(--accent2);
  flex-shrink: 0;
}

.file-history-badge.badge-commit {
  background: rgba(var(--overlay-rgb),0.06);
  color: var(--text-muted);
}

.file-history-code-subtitle {
  font-family: "Roboto Mono", monospace;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  padding: 2px 6px;
  background: rgba(var(--overlay-rgb), 0.04);
  border-radius: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-history-meta {
  font-size: 11px;
  color: var(--text-dimmer);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Inline diff preview */
.file-history-diff {
  max-height: 200px;
  overflow: auto;
  border-radius: 6px;
  background: var(--code-bg);
  margin-top: 8px;
}

.file-history-write-badge {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* Action buttons row */
.file-history-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.file-history-action-btn {
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.file-history-action-btn:hover {
  background: var(--sidebar-hover);
  color: var(--text);
  border-color: var(--text-dimmer);
}

.file-history-nav-btn {
  color: var(--accent);
  border-color: transparent;
}

.file-history-nav-btn:hover {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}

/* Compare bar */
.file-history-compare-bar-slots {
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 8px;
  background: rgba(var(--overlay-rgb), 0.04);
  border: 1px solid var(--border);
}

.compare-bar-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compare-bar-label svg {
  width: 13px;
  height: 13px;
  opacity: 0.7;
}

.compare-slots-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-history-compare-slot {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  border: 1.5px dashed rgba(var(--overlay-rgb), 0.15);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(var(--overlay-rgb), 0.02);
  transition: border-color 0.15s, background 0.15s;
}

.file-history-compare-slot.filled {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--text-secondary);
}

.compare-slot-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  background: rgba(var(--overlay-rgb), 0.1);
  color: var(--text-muted);
}

.file-history-compare-slot.filled .compare-slot-num {
  background: var(--accent);
  color: #fff;
}

.compare-slot-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: "Roboto Mono", monospace;
  font-size: 11px;
}

.compare-slot-placeholder {
  font-style: italic;
  opacity: 0.6;
}

.compare-slot-clear {
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--text-dimmer);
  font-size: 14px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
}
.compare-slot-clear:hover { color: var(--text); }

.compare-slot-arrow {
  flex-shrink: 0;
  color: var(--text-dimmer);
  opacity: 0.5;
}

.compare-slot-arrow svg {
  width: 14px;
  height: 14px;
}

/* Compare button */
.file-history-compare-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.file-history-compare-btn svg {
  width: 13px;
  height: 13px;
}

.file-history-compare-btn:hover { opacity: 0.85; }

/* Compare view */
.file-history-compare-bar {
  margin-bottom: 12px;
}

.file-history-compare-back {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}

.file-history-compare-back:hover { background: var(--sidebar-hover); color: var(--text); }

/* View file bar (back + toggle) */
.file-history-view-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.file-history-view-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.file-history-toggle-btn {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.file-history-toggle-btn + .file-history-toggle-btn {
  border-left: 1px solid var(--border);
}

.file-history-toggle-btn:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.file-history-toggle-btn.active {
  background: var(--accent-bg);
  color: var(--accent);
}

/* Full-size diff container (View diff mode) */
.file-history-diff-full {
  flex: 1;
  overflow: auto;
  background: var(--code-bg);
  border-top: 1px solid var(--border-subtle);
}

/* Split view */
.file-history-compare-view {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.file-history-compare-view .file-history-compare-bar {
  padding: 10px 16px;
  flex-shrink: 0;
}

.file-history-compare-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.file-history-split {
  display: flex;
  flex: 1;
  min-height: 0;
  border-top: 1px solid var(--border-subtle);
}

.file-history-split-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.file-history-split-pane + .file-history-split-pane {
  border-left: 1px solid var(--border-subtle);
}

.file-history-split-label {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}

.file-history-split-code {
  flex: 1;
  overflow: auto;
  background: var(--code-bg);
}

.file-history-split-code pre {
  margin: 0;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.5;
  tab-size: 2;
}

.file-history-split-code code {
  font-family: "Roboto Mono", monospace;
}

/* --- Message blink animation --- */
@keyframes message-blink {
  0%, 100% { background: transparent; }
  50% { background: var(--accent-bg); }
}

.message-blink {
  animation: message-blink 0.5s ease 3;
  border-radius: 12px;
}