/* VS Code Dark+ inspired theme */
:root {
  --bg-activity: #181818;
  --bg-sidebar: #252526;
  --bg-editor: #1e1e1e;
  --bg-title: #323233;
  --bg-tab-active: #1e1e1e;
  --bg-tab-inactive: #2d2d2d;
  --bg-panel: #1e1e1e;
  --bg-status: #007acc;
  --bg-input: #3c3c3c;
  --bg-hover: #2a2d2e;
  --bg-selection: #264f78;
  --border: #3c3c3c;
  --text: #cccccc;
  --text-muted: #858585;
  --text-bright: #ffffff;
  --accent: #007acc;
  --accent-green: #4ec9b0;
  --accent-blue: #569cd6;
  --accent-orange: #ce9178;
  --accent-yellow: #dcdcaa;
  --accent-purple: #c586c0;
  --ai-accent: #007acc;
  --ai-accent-soft: #4fc1ff;
  --ai-user-bg: #2d2d30;
  --ai-agent-bg: #252526;
  --ai-border: #3c3c3c;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --activity-width: 48px;
  --title-height: 35px;
  --tab-height: 35px;
  --status-height: 22px;
  --sidebar-min: 180px;
  --ai-min: 280px;
  --panel-min: 120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text);
  background: var(--bg-editor);
  -webkit-font-smoothing: antialiased;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Title bar (macOS style) */
.title-bar {
  height: var(--title-height);
  background: var(--bg-title);
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  user-select: none;
}

.traffic-lights {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.traffic-lights span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.traffic-lights .close { background: #ff5f57; }
.traffic-lights .minimize { background: #febc2e; }
.traffic-lights .maximize { background: #28c840; }

.title-bar-center {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  min-width: 0;
}

.title-bar-center strong { color: var(--text); font-weight: 500; }

/* Layout controls (top-right, VS Code style) */
.layout-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}

.layout-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.layout-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.layout-btn.active {
  color: var(--text-bright);
}

.layout-btn:not(.active) {
  color: var(--text-muted);
  opacity: 0.55;
}

.layout-icon.codicon,
.activity-item .codicon {
  font-size: 22px;
  width: 22px;
  height: 22px;
  line-height: 22px;
  display: inline-block;
  text-align: center;
}

.activity-item .codicon {
  font-size: 24px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  pointer-events: none;
}

/* Layout visibility */
body.layout-off-activity .activity-bar {
  display: none !important;
}

body.layout-off-sidebar #sidebar,
body.layout-off-sidebar #split-main > .gutter-horizontal {
  display: none !important;
}

body.layout-off-ai #ai-panel,
body.layout-off-ai #split-center-ai > .gutter-horizontal {
  display: none !important;
}

body.layout-off-panel #bottom-panel,
body.layout-off-panel #split-editor-panel > .gutter-vertical {
  display: none !important;
}

body.layout-off-panel #split-editor-panel > div:first-child {
  flex: 1 !important;
  height: 100% !important;
}

/* Main workspace */
.workspace {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

/* Activity bar */
.activity-bar {
  width: var(--activity-width);
  background: var(--bg-activity);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  flex-shrink: 0;
  border-right: 1px solid #000;
}

.activity-item {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  position: relative;
  border: none;
  background: none;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}

.activity-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.activity-item:active {
  background: rgba(255, 255, 255, 0.08);
}

.activity-item.active {
  color: var(--text-bright);
}

.activity-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--text-bright);
}

.ai-header-icon.codicon {
  font-size: 16px;
  color: var(--ai-accent-soft);
}

@media (max-width: 600px) {
  .activity-item {
    width: 40px;
    height: 40px;
  }
  .activity-item svg {
    width: 20px;
    height: 20px;
  }
}

.activity-spacer { flex: 1; }

/* Split containers */
.split-horizontal, .split-vertical {
  display: flex;
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.split-vertical { flex-direction: column; }
.split-horizontal { flex-direction: row; }

.split-horizontal > .gutter,
.split-vertical > .gutter {
  background: transparent;
  flex-shrink: 0;
  z-index: 10;
}

.split-horizontal > .gutter:hover,
.split-vertical > .gutter:hover {
  background: var(--accent);
}

.split-horizontal > .gutter { cursor: col-resize; }
.split-vertical > .gutter { cursor: row-resize; }

/* Sidebar */
.sidebar {
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  min-width: var(--sidebar-min);
  overflow: hidden;
  position: relative;
}

.sidebar.collapsed {
  display: none;
}

.sidebar-view {
  display: none;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.sidebar-view.active {
  display: flex;
}

.search-box-wrap {
  padding: 8px 12px;
}

.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent);
}

.search-results {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 12px;
}

.search-empty {
  color: var(--text-muted);
  font-size: 12px;
  padding: 8px;
}

.search-hit {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: none;
  background: none;
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
  text-align: left;
  font-size: 12px;
}

.search-hit:hover {
  background: var(--bg-hover);
}

.search-hit small {
  color: var(--text-muted);
  margin-left: auto;
  font-size: 10px;
}

.scm-panel {
  padding: 8px 16px 16px;
  font-size: 12px;
}

.scm-branch {
  color: var(--accent-blue);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.scm-item {
  padding: 3px 0;
  color: var(--text);
  font-family: var(--font-mono);
}

.scm-hint {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 11px;
}

.sidebar-header {
  padding: 10px 20px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-actions {
  display: flex;
  gap: 4px;
}

.sidebar-actions button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 3px;
}

.sidebar-actions button:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.file-tree {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 12px;
  font-size: 13px;
}

.file-tree::-webkit-scrollbar { width: 10px; }
.file-tree::-webkit-scrollbar-thumb { background: #424242; }

.tree-item {
  display: flex;
  align-items: center;
  padding: 3px 8px 3px 0;
  cursor: pointer;
  white-space: nowrap;
  color: var(--text);
}

.tree-item:hover { background: var(--bg-hover); }
.tree-item.active { background: var(--bg-selection); color: var(--text-bright); }

.tree-indent { display: inline-block; flex-shrink: 0; }

.tree-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.tree-chevron.collapsed { transform: rotate(-90deg); }

.file-icon,
.tree-icon {
  width: 16px;
  height: 16px;
  margin-right: 6px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.file-icon-svg {
  display: block;
}

.tree-label { overflow: hidden; text-overflow: ellipsis; }

.tree-children.collapsed { display: none; }

#split-center-ai {
  display: flex;
  flex: 1;
  min-width: 0;
}

#split-editor-panel {
  flex: 1;
  min-height: 0;
}

/* Center column */
.center-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg-editor);
}

/* Tabs */
.tab-bar {
  height: var(--tab-height);
  background: var(--bg-tab-inactive);
  display: flex;
  align-items: flex-end;
  overflow-x: auto;
  flex-shrink: 0;
}

.tab-bar::-webkit-scrollbar { height: 3px; }

.tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: var(--tab-height);
  background: var(--bg-tab-inactive);
  border-right: 1px solid var(--border);
  cursor: pointer;
  color: var(--text-muted);
  min-width: 120px;
  max-width: 200px;
  user-select: none;
}

.tab:hover { background: #1f1f1f; color: var(--text); }
.tab.active {
  background: var(--bg-tab-active);
  color: var(--text-bright);
  border-top: 1px solid var(--accent);
}

.tab-icon { width: 16px; height: 16px; flex-shrink: 0; }
.tab-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  font-size: 13px;
}

.tab-close {
  width: 20px;
  height: 20px;
  border: none;
  background: none;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  font-size: 14px;
  line-height: 1;
}

.tab:hover .tab-close, .tab.active .tab-close { opacity: 1; }
.tab-close:hover { background: var(--bg-hover); color: var(--text-bright); }

/* Editor toolbar (markdown preview) */
.editor-toolbar {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  background: var(--bg-editor);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.editor-toolbar.visible {
  display: flex;
  justify-content: flex-end;
}

/* Markdown Preview / Source toggle (VS Code style) */
.md-view-tabs {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-tab-inactive);
}

.md-view-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-size: 11px;
  font-family: var(--font-ui);
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: background 0.12s, color 0.12s;
}

.md-view-tab:last-child {
  border-right: none;
}

.md-view-tab:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.md-view-tab.active {
  color: var(--text-bright);
  background: var(--bg-selection);
}

.md-view-tab svg {
  opacity: 0.85;
  flex-shrink: 0;
}

/* Breadcrumb */
.breadcrumb {
  padding: 4px 16px;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-editor);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.breadcrumb span { color: var(--accent-blue); }
.breadcrumb .sep { margin: 0 4px; opacity: 0.5; }

/* Editor area */
.editor-container {
  flex: 1;
  min-height: 0;
  position: relative;
}

#monaco-editor,
#markdown-preview {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

#monaco-editor.hidden,
#markdown-preview.hidden {
  display: none;
  pointer-events: none;
}

/* Markdown preview — VS Code style */
.markdown-preview {
  overflow-y: auto;
  padding: 24px 32px 48px;
  line-height: 1.6;
  font-size: 14px;
  color: var(--text);
}

.markdown-preview::-webkit-scrollbar {
  width: 10px;
}

.markdown-preview::-webkit-scrollbar-thumb {
  background: #424242;
}

.markdown-preview h1 {
  font-size: 2em;
  font-weight: 600;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3em;
  margin: 0 0 16px;
}

.markdown-preview h2 {
  font-size: 1.4em;
  font-weight: 600;
  color: var(--text-bright);
  margin: 24px 0 12px;
}

.markdown-preview h3 {
  font-size: 1.15em;
  margin: 16px 0 8px;
  color: var(--text-bright);
}

.markdown-preview blockquote {
  margin: 0 0 16px;
  padding: 8px 16px;
  border-left: 4px solid var(--accent);
  background: rgba(0, 122, 204, 0.08);
  color: var(--text-muted);
}

.markdown-preview blockquote p {
  margin: 0;
}

.markdown-preview p {
  margin: 0 0 12px;
}

.markdown-preview ul,
.markdown-preview ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.markdown-preview li {
  margin: 4px 0;
}

.markdown-preview strong {
  color: var(--text-bright);
  font-weight: 600;
}

.markdown-preview a {
  color: var(--accent-blue);
  text-decoration: none;
}

.markdown-preview a:hover {
  text-decoration: underline;
}

.markdown-preview code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(110, 118, 129, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

.markdown-preview pre {
  background: #2d2d2d;
  padding: 12px 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 12px 0 16px;
}

.markdown-preview pre code {
  background: none;
  padding: 0;
}

.markdown-preview table {
  border-collapse: collapse;
  margin: 16px 0;
  width: 100%;
}

.markdown-preview th,
.markdown-preview td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.markdown-preview th {
  background: var(--bg-sidebar);
  color: var(--text-bright);
}

.markdown-preview hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.markdown-preview em {
  color: var(--text-muted);
}

.markdown-preview.is-typing::after {
  content: '▋';
  display: inline;
  color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

.typing-cursor::after {
  content: '▋';
  animation: blink 1s step-end infinite;
  color: var(--accent);
  margin-left: 1px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* AI panel */
.ai-panel {
  background: var(--ai-agent-bg);
  display: flex;
  flex-direction: column;
  min-width: var(--ai-min);
  border-left: 1px solid var(--ai-border);
  transition: box-shadow 0.2s;
}

.ai-panel.focused {
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.35);
}

.ai-panel.compact-hidden {
  display: none;
}

.ai-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--ai-border);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-sidebar);
}

.ai-header-icon {
  color: var(--ai-accent-soft);
  display: flex;
}

.ai-header h2 {
  font-size: 13px;
  font-weight: 600;
  flex: 1;
  color: var(--text-bright);
}

.ai-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--ai-accent);
  color: #fff;
  font-weight: 600;
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-editor);
}

.ai-messages::-webkit-scrollbar {
  width: 8px;
}

.ai-messages::-webkit-scrollbar-thumb {
  background: #424242;
}

.ai-msg {
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ai-msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.ai-avatar {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.ai-avatar.user {
  background: var(--ai-user-bg);
  color: var(--text);
  border: 1px solid var(--ai-border);
}

.ai-avatar.agent {
  background: var(--ai-accent);
  color: #fff;
}

.ai-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.ai-msg.agent .ai-name {
  color: var(--ai-accent-soft);
}

.ai-bubble {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text);
  border-radius: 6px;
  border: 1px solid var(--ai-border);
}

.ai-msg.user .ai-bubble {
  background: var(--ai-user-bg);
  margin-left: 30px;
}

.ai-msg.agent .ai-bubble {
  background: var(--ai-agent-bg);
  border-left: 2px solid var(--ai-accent);
}

.ai-bubble code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-editor);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--accent-orange);
}

.ai-bubble pre {
  margin: 8px 0;
  padding: 8px;
  background: var(--bg-editor);
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: pre-wrap;
  border: 1px solid var(--ai-border);
}

.ai-bubble pre code {
  background: none;
  color: var(--text);
}

.ai-bubble strong {
  color: var(--accent-green);
}

.ai-bubble a {
  color: var(--accent-blue);
}

.ai-typing {
  display: inline-flex;
  gap: 4px;
  padding: 10px 12px;
  margin-left: 30px;
  background: var(--ai-agent-bg);
  border: 1px solid var(--ai-border);
  border-radius: 6px;
}

.ai-typing span {
  width: 6px;
  height: 6px;
  background: var(--ai-accent-soft);
  border-radius: 50%;
  animation: dotPulse 1.2s infinite;
}

.ai-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.ai-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotPulse {
  0%,
  80%,
  100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
}

.ai-input-area {
  padding: 12px;
  border-top: 1px solid var(--ai-border);
  background: var(--bg-sidebar);
}

.ai-input-wrap {
  background: var(--bg-editor);
  border: 1px solid var(--ai-border);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.ai-input-wrap:focus-within {
  border-color: var(--ai-accent);
}

.ai-input-wrap textarea {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 12px;
  resize: none;
  outline: none;
  min-height: 20px;
  max-height: 80px;
}

.ai-send {
  background: var(--ai-accent);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ai-send:hover {
  background: #1a8ad4;
}

/* Bottom panel */
.bottom-panel {
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  min-height: var(--panel-min);
}

.panel-tabs {
  display: flex;
  background: var(--bg-sidebar);
  height: 35px;
  align-items: center;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-tab {
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid transparent;
}

.panel-tab:hover { color: var(--text); }
.panel-tab.active {
  color: var(--text-bright);
  border-bottom-color: var(--accent);
}

.panel-tab .badge {
  margin-left: 6px;
  background: #4d4d4d;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 10px;
}

.panel-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.panel-pane { display: none; height: 100%; }
.panel-pane.active { display: block; }

/* Terminal */
.terminal-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-editor);
  font-family: var(--font-mono);
  font-size: 13px;
}

.terminal-output {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  line-height: 1.5;
}

.terminal-output::-webkit-scrollbar {
  width: 10px;
}

.terminal-output::-webkit-scrollbar-thumb {
  background: #424242;
}

.terminal-input-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 12px 8px;
  border-top: 1px solid var(--border);
  background: var(--bg-editor);
  position: relative;
}

.terminal-input-wrap {
  position: relative;
  flex: 1;
  min-width: 120px;
}

.terminal-input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  caret-color: var(--text-bright);
  position: relative;
  z-index: 1;
}

.term-ghost {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.45;
  pointer-events: none;
  white-space: pre;
  z-index: 0;
}

.term-suggestions {
  list-style: none;
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 100%;
  margin-bottom: 4px;
  max-height: 140px;
  overflow-y: auto;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 20;
}

.term-suggestions li {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
}

.term-suggestions li:hover,
.term-suggestions li.active {
  background: var(--bg-selection);
  color: var(--text-bright);
}

.term-suggestions li .suggest-desc {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: 8px;
}

.term-line {
  white-space: pre-wrap;
  word-break: break-all;
}

.term-prompt {
  color: var(--accent-green);
}

.term-prompt .path {
  color: var(--accent-blue);
}

.term-cmd {
  color: var(--text-bright);
}

.term-out {
  color: var(--text-muted);
}

.term-hint {
  color: var(--accent-blue);
  font-style: italic;
}

.term-err {
  color: #f48771;
}

/* Problems / Output panes */
.static-panel {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  height: 100%;
  overflow-y: auto;
}

.problem-item {
  display: flex;
  gap: 8px;
  padding: 4px 0;
  cursor: pointer;
}

.problem-item:hover { background: var(--bg-hover); }
.problem-icon.info { color: var(--accent-blue); }
.problem-icon.warn { color: #cca700; }

/* Status bar */
.status-bar {
  height: var(--status-height);
  background: var(--bg-status);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 12px;
  color: #fff;
  flex-shrink: 0;
  user-select: none;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-right { margin-left: auto; }

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: default;
  padding: 0 4px;
}

.status-item:hover { opacity: 0.9; }

/* Welcome overlay (brief) */
.welcome-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.5s, visibility 0.5s;
}

.welcome-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-card {
  text-align: center;
  max-width: 480px;
  padding: 40px;
}

.welcome-card h1 {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: 8px;
  color: var(--text-bright);
}

.welcome-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.welcome-card kbd {
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--border);
}

.welcome-progress {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  margin-top: 24px;
}

.welcome-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* Responsive */
@media (max-width: 900px) {
  .ai-panel.compact-hidden {
    display: none;
  }

  .ai-panel.focused {
    display: flex;
  }

  .sidebar.collapsed-on-agent {
    display: none;
  }

  #split-center-ai .gutter-horizontal:last-of-type {
    display: none;
  }
}

@media (max-width: 600px) {
  :root {
    --activity-width: 40px;
  }

  .title-bar-center {
    display: none;
  }

  .markdown-preview {
    padding: 16px;
  }

  .tab {
    min-width: 90px;
  }
}