/* === CSS Custom Properties === */
:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-tertiary: #0f3460;
  --bg-input: #0f3460;
  --accent: #e94560;
  --accent-hover: #c73e54;
  --text-primary: #eee;
  --text-secondary: #aaa;
  --text-muted: #666;
  --border: #0f3460;
  --border-active: #e94560;

  /* Panel sizes */
  --explorer-width: 250px;
  --chat-width: 380px;
  --header-height: 40px;
  --status-height: 24px;

}

/* === Reset === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  /* Op 15 / Fase 4 — `position: fixed` REMOVIDO. Em iOS 18+ causa viewport crop documentado
     (Apple forum thread 800154). `overflow: hidden` + `height: 100%` continuam impedindo
     scroll do body. visualViewport handler em terminal-panel.js ajusta altura quando
     teclado virtual abre (sem precisar mais alternar position:relative). */
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overscroll-behavior: none;
  display: flex;
  flex-direction: column;
}

#app-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* === Header === */
.app-header {
  height: var(--header-height);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 8px;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  margin-left: auto;
}

.header-center {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.app-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}
.app-version {
  font-size: 10px;
  color: #666;
  margin-left: 6px;
  font-weight: 400;
  cursor: pointer;
  transition: color 0.1s;
}
.app-version:hover {
  color: var(--accent);
}

/* Changelog Modal */
.changelog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.2s;
}
.changelog-overlay.visible {
  opacity: 1;
}
.changelog-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 600px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transform: translateY(10px);
  transition: transform 0.2s;
}
.changelog-overlay.visible .changelog-modal {
  transform: translateY(0);
}
.changelog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.changelog-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.changelog-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.1s;
}
.changelog-close:hover {
  color: var(--accent);
}
.changelog-body {
  overflow-y: auto;
  flex: 1;
}

.toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

.toggle-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.toggle-btn.active {
  color: var(--accent);
}

/* === Main Layout (CSS Grid) === */
.app-layout {
  flex: 1;
  display: grid;
  grid-template-columns: var(--explorer-width) 4px 1fr 4px var(--chat-width);
  overflow: hidden;
}

/* === Panels === */
.panel-explorer,
.panel-editor,
.panel-chat {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
  /* Card 1786507 — `min-height: 0` é OBRIGATÓRIO em filhos de grid/flex que são
   * eles próprios containers flex-column. Sem isso, o `min-height: auto` default
   * (CSS Flexbox spec §4.5) impede o painel de encolher abaixo do tamanho do
   * conteúdo. No `.panel-chat`, isso fazia o `.terminal-container` (flex:1)
   * calcular uma altura maior que a coluna real do grid quando o editor era
   * ocultado — empurrando a LINHA DE INPUT do xterm para baixo da área visível
   * ("o campo de digitação some"). Com o editor visível o layout coincidia por
   * acaso. `min-height:0` garante cálculo de altura correto em TODAS as combinações
   * (sidebar on/off × editor on/off). */
  min-height: 0;
}

/* Explicit grid column assignments */
.panel-explorer { grid-column: 1; }
#resize-explorer { grid-column: 2; }
.panel-editor { grid-column: 3; }
#resize-chat { grid-column: 4; }
.panel-chat { grid-column: 5; }

.panel-header {
  height: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  gap: 8px;
}

/* Explorer Section Headers (Card 7 / Op 14: stacked layout) */
.explorer-section-header {
  padding: 0 12px;
  flex-shrink: 0;
}
.explorer-section-title {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Source Control section (collapsible, below explorer) */
.source-control-section {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}
.source-control-header {
  padding: 4px 12px;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  background: var(--bg-secondary);
}
.source-control-header:hover {
  background: var(--bg-tertiary);
}
.sc-chevron {
  display: inline-block;
  width: 10px;
  font-size: 9px;
  color: var(--text-muted);
  text-align: center;
}
.sc-header-title {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  flex: 1;
}
.sc-badge {
  background: var(--accent);
  color: #fff;
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 8px;
  font-weight: 700;
  min-width: 16px;
  text-align: center;
}

/* Git decorators in tree */
.git-badge {
  font-size: 10px;
  font-weight: 700;
  margin-left: auto;
  flex-shrink: 0;
  padding: 0 4px;
}
.git-badge-modified { color: #dcdcaa; }
.git-badge-untracked { color: #73c991; }
.git-badge-staged { color: #4ec9b0; }
.git-badge-created { color: #73c991; }
.git-badge-deleted { color: var(--accent); }
.git-badge-conflicted { color: #ff4444; }

.tree-item.git-modified .tree-label { color: #dcdcaa; }
.tree-item.git-untracked .tree-label { color: #73c991; }
.tree-item.git-created .tree-label { color: #73c991; }
.tree-item.git-deleted .tree-label { color: var(--accent); text-decoration: line-through; }
.tree-item.git-conflicted .tree-label { color: #ff4444; }

/* Source Control Panel (Card 7 / Op 14: stacked below explorer) */
.source-control-content {
  height: 200px;
  min-height: 80px;
  max-height: 60vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.sc-commit-bar {
  display: flex;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.sc-commit-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  padding: 4px 8px;
  font-size: 12px;
}
.sc-commit-input:focus {
  border-color: var(--accent);
  outline: none;
}
.sc-commit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.1s;
}
.sc-commit-btn:hover {
  background: var(--accent-hover);
}
.sc-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.sc-section-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sc-section-count {
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 1px 5px;
  border-radius: 8px;
}
.sc-file-list {
  overflow-y: auto;
}
.sc-file-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  cursor: pointer;
  transition: background 0.1s;
  font-size: 12px;
  min-width: 0;
}
.sc-file-item:hover {
  background: rgba(255,255,255,0.05);
}
.sc-file-item.selected {
  background: rgba(233, 69, 96, 0.2);
}
.sc-file-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.sc-file-info {
  flex: 1;
  min-width: 0; /* critical: allows flex item to shrink below content */
  display: flex;
  align-items: baseline;
  gap: 6px;
  overflow: hidden;
}
.sc-file-name {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  max-width: 60%;
}
.sc-file-path {
  color: var(--text-muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
}
.sc-file-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.sc-status-badge {
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  min-width: 14px;
  text-align: center;
}
.sc-status-badge.modified { color: #dcdcaa; }
.sc-status-badge.untracked { color: #73c991; }
.sc-status-badge.staged { color: #4ec9b0; }
.sc-status-badge.created { color: #73c991; }
.sc-status-badge.deleted { color: var(--accent); }
.sc-status-badge.conflicted { color: #ff4444; }
.sc-action-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 20px;
  height: 20px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.1s, color 0.1s;
}
.sc-action-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.sc-discard-btn {
  border-color: transparent;
  font-size: 15px;
}
.sc-commit-btn.has-ahead {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.sc-empty {
  padding: 12px;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}

/* Explorer */
.panel-explorer {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.explorer-content {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.explorer-placeholder,
.editor-placeholder,
.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 13px;
  gap: 12px;
}

/* File Explorer Tree */
.explorer-selector {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 4px;
}

.explorer-selector .project-selector {
  flex: 1;
  min-width: 0;
}

.project-selector {
  width: 100%;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

.project-selector:focus {
  border-color: var(--accent);
}

.file-tree {
  padding: 4px 0;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  transition: background 0.1s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.tree-item.selected {
  background: rgba(233, 69, 96, 0.15);
  color: var(--accent);
}

.tree-item--dir {
  color: var(--text-secondary);
  font-weight: 500;
}

.tree-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

/* Chevron for folder open/closed disclosure (Card 5 / Op 14) */
.tree-chevron {
  display: inline-block;
  width: 10px;
  font-size: 9px;
  color: var(--text-muted);
  margin-right: 2px;
  flex-shrink: 0;
  text-align: center;
  line-height: 16px;
}
.tree-item:hover .tree-chevron {
  color: var(--text-secondary);
}

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

.tree-children {
  /* Indentation handled by paddingLeft in JS */
}

.explorer-error {
  padding: 12px;
  color: #f44336;
  font-size: 12px;
  text-align: center;
}

/* Editor */
.panel-editor {
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
}

.editor-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#editor-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

#editor-tabs::-webkit-scrollbar {
  display: none;
}

.editor-tab-bar {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.editor-tab-bar::-webkit-scrollbar {
  display: none;
}

.editor-tabs-placeholder {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.editor-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 32px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  border-right: 1px solid var(--border);
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
  flex-shrink: 0;
}

.editor-tab:hover {
  background: rgba(255, 255, 255, 0.05);
}

.editor-tab.active {
  color: var(--text-primary);
  background: var(--bg-primary);
}

.tab-label {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-close {
  font-size: 16px;
  line-height: 1;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.1s;
}

.tab-close:hover {
  opacity: 1;
  color: var(--accent);
}

/* Pin button */
.tab-pin {
  display: flex;
  align-items: center;
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.1s;
  color: var(--text-muted);
}
.editor-tab:hover .tab-pin,
.editor-tab.pinned .tab-pin {
  opacity: 0.6;
}
.tab-pin:hover {
  opacity: 1 !important;
  color: var(--text-primary);
}
.editor-tab.pinned .tab-pin {
  opacity: 1;
  color: var(--accent);
}

/* Preview tab: italic label */
.editor-tab.preview .tab-label {
  font-style: italic;
  opacity: 0.8;
}

/* Image preview */
.image-preview {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  background: var(--bg-primary);
  overflow: auto;
  padding: 16px;
}
.image-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Markdown preview */
.markdown-preview-wrapper,
.markdown-edit-wrapper {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  height: 100%;
}
.markdown-edit-host {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.markdown-edit-host .cm-editor {
  flex: 1;
  height: 100%;
}
.markdown-toolbar {
  display: flex;
  justify-content: flex-end;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.md-toggle-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.md-toggle-btn:hover {
  background: var(--accent);
  color: #fff;
}
.markdown-preview {
  flex: 1;
  overflow-y: auto;
  padding: 20px 28px;
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 14px;
}
.markdown-preview h1 { font-size: 1.8em; margin: 0.5em 0 0.3em; border-bottom: 1px solid var(--border); padding-bottom: 0.2em; }
.markdown-preview h2 { font-size: 1.4em; margin: 0.5em 0 0.3em; border-bottom: 1px solid var(--border); padding-bottom: 0.2em; }
.markdown-preview h3 { font-size: 1.2em; margin: 0.5em 0 0.2em; }
.markdown-preview h4, .markdown-preview h5, .markdown-preview h6 { font-size: 1em; margin: 0.4em 0 0.2em; }
.markdown-preview p { margin: 0.4em 0; }
.markdown-preview a { color: var(--accent); text-decoration: none; }
.markdown-preview a:hover { text-decoration: underline; }
.markdown-preview code {
  background: var(--bg-tertiary);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}
.markdown-preview pre {
  background: var(--bg-tertiary);
  padding: 12px 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.5em 0;
}
.markdown-preview pre code {
  background: none;
  padding: 0;
}
.markdown-preview blockquote {
  border-left: 3px solid var(--accent);
  margin: 0.5em 0;
  padding: 4px 16px;
  color: var(--text-secondary);
}
.markdown-preview ul, .markdown-preview ol { padding-left: 24px; margin: 0.4em 0; }
.markdown-preview li { margin: 0.2em 0; }
.markdown-preview table { border-collapse: collapse; width: 100%; margin: 0.5em 0; }
.markdown-preview th, .markdown-preview td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; font-size: 13px; }
.markdown-preview th { background: var(--bg-secondary); font-weight: 600; }
.markdown-preview img { max-width: 100%; border-radius: 4px; }
.markdown-preview hr { border: none; border-top: 1px solid var(--border); margin: 1em 0; }
.markdown-preview input[type="checkbox"] { margin-right: 6px; }

.editor-file-header {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.editor-file-preview {
  flex: 1;
  overflow: auto;
  padding: 12px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-primary);
  tab-size: 2;
}

/* Git Graph Area */
.git-graph-area {
  border-top: 1px solid var(--border);
  flex: 1;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Vertical Resize Handles (between sub-panels) */
.resize-handle-vertical {
  height: 4px;
  min-height: 4px;
  cursor: row-resize;
  background: transparent;
  transition: background 0.15s;
  flex-shrink: 0;
}

.resize-handle-vertical:hover,
.resize-handle-vertical.dragging {
  background: var(--accent);
}

.preview-area {
  border-top: 1px solid var(--border);
  flex: 1;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 28px;
  min-height: 28px;
}

.preview-url {
  flex: 1;
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: monospace;
}

.preview-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 3px;
  transition: background 0.1s, color 0.1s;
}

.preview-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.preview-auto-btn.active {
  color: var(--accent);
}

.preview-iframe {
  flex: 1;
  border: none;
  background: #fff;
  width: 100%;
}

/* Terminal Panel */
.panel-chat {
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
}

.terminal-container {
  flex: 1;
  overflow: hidden;
  /* Card 1786507 — par do `min-height:0` do `.panel-chat`. Como este é um filho
   * flex (flex:1) que hospeda o xterm em altura 100%, também precisa poder
   * encolher abaixo do conteúdo intrínseco. Sem `min-height:0` aqui, mesmo com o
   * pai corrigido, o offsetHeight medido pelo fitAddon.fit() podia divergir da
   * área realmente visível ao ocultar o editor, recolocando o input fora da view. */
  min-height: 0;
  /* Op 19 v0.4.3 — padding REMOVIDO (era `4px 0 4px 10px`).
   * fitAddon.fit() usa offsetHeight do container que INCLUI padding — mas xterm
   * renderiza dentro do content area (height - padding × 2) → fit calculava mais
   * rows do que cabe, deixando espaco visual residual no fim.
   * Padding zero garante que fit calcule exatamente o que sera renderizado.
   */
  padding: 0;
  background: var(--bg-primary);
  position: relative;
}

.terminal-container .xterm {
  height: 100%;
  /* Card 947606 iter2 (P4) — trava de segurança contra overflow horizontal.
   * O xterm define a largura de `.xterm`/`.xterm-screen` em px (cols × cellWidth).
   * Se um fit calcular colunas demais durante mudança de layout, o elemento ficava
   * "maior que o espaço". max-width:100% impede o transbordo visual além do painel
   * (o fit corrigido via double-rAF acerta as colunas; isto é a malha de proteção). */
  max-width: 100%;
}
.terminal-container .xterm-screen,
.terminal-container .xterm-viewport {
  max-width: 100% !important;
}

/* Op 19 — Cursor cleanup do DOM renderer xterm.js. Sem WebGL (Op 15 desabilitou),
 * o cursor é a célula com classe `.xterm-cursor`. Em scroll de histórico no WebKit
 * (iPad Safari/Chrome), o renderer pode deixar elementos `.xterm-cursor` órfãos
 * em rows fora da view atual, causando "cursor replicado" (bug do card 176606).
 * `:not(.xterm-cursor-blink-on)` + filter visibility força reset visual em rows
 * que não são as do cursor ativo (xterm aplica/remove classes dinamicamente).
 * Combinado com cursorBlink:false + cursorStyle:'bar' no JS, reduz superfície
 * de artefatos. Esta regra é DEFENSIVA — se DOM renderer fizer cleanup correto,
 * é noop; se deixar órfão, esconde-o.
 */
.terminal-container .xterm-rows .xterm-cursor:not(.xterm-cursor-blink) {
  /* Cursores marcados como "blink" são os ativos; remova outline visual de outros. */
  outline: none !important;
  box-shadow: none !important;
}
.terminal-container .xterm-rows > div:not(:last-child) .xterm-cursor {
  /* Cursor só deve aparecer na row mais recente; em rows anteriores (histórico
   * scrollado), forçar invisibilidade defensiva. */
  background-color: transparent !important;
  outline: none !important;
}

/* === Mobile Terminal Toolbar === */
.terminal-mobile-toolbar {
  display: none;
}

@media (max-width: 768px) {
  .terminal-mobile-toolbar {
    display: flex;
    gap: 3px;
    padding: 4px 6px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
    flex-shrink: 0;
    justify-content: center;
  }

  .terminal-mobile-toolbar::-webkit-scrollbar {
    display: none;
  }

  .terminal-mobile-key {
    flex-shrink: 0;
    min-width: 40px;
    height: 32px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: monospace;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
  }

  .terminal-mobile-key:active,
  .terminal-mobile-key.pressed {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
  }
}

/* === Resize Handles === */
.resize-handle {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.15s;
  z-index: 5;
}

.resize-handle:hover,
.resize-handle.active {
  background: var(--accent);
}

/* Chat/Tool/Markdown/Input CSS removed in Op04 — replaced by terminal */

/* === Status Bar === */
.status-bar {
  height: var(--status-height);
  min-height: var(--status-height);
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg-tertiary);
  font-size: 11px;
  color: var(--text-secondary);
  gap: 16px;
  z-index: 10;
}

.status-item {
  white-space: nowrap;
}

.status-branch {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--accent);
}

.status-spacer {
  flex: 1;
}

.status-brand {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* === Mobile Bottom Nav === */
.mobile-nav {
  display: none;
}

/* === Panel Collapsed States === */
.app-layout.explorer-collapsed .panel-explorer,
.app-layout.explorer-collapsed #resize-explorer {
  visibility: hidden;
  width: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
}

/* Editor collapsed: hide editor content + tab bar, but keep panel if preview is visible */
.app-layout.editor-collapsed .editor-tab-bar,
.app-layout.editor-collapsed .editor-content {
  display: none;
}

/* Only collapse the entire panel-editor column when BOTH editor and preview are off */
.app-layout.editor-collapsed.preview-off .panel-editor,
.app-layout.editor-collapsed.preview-off #resize-explorer,
.app-layout.editor-collapsed.preview-off #resize-chat {
  visibility: hidden;
  width: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
}

/* EXCEPTION (Card 3 / Op 14): when editor-collapsed + preview-off but gitgraph IS visible,
   the central column stays visible and gitgraph takes 100% of the central space.
   High-specificity selectors to override the editor-collapsed.preview-off rules above. */
.app-layout.editor-collapsed.preview-off.central-gitgraph-only .panel-editor,
.app-layout.editor-collapsed.preview-off.central-gitgraph-only #resize-explorer,
.app-layout.editor-collapsed.preview-off.central-gitgraph-only #resize-chat {
  visibility: visible;
  width: auto;
  padding: initial;
  border: initial;
  overflow: initial;
}
.app-layout.central-gitgraph-only #git-graph-area {
  flex: 1 1 100%;
  height: 100%;
  border-top: none;
}
/* Hide editor tab bar (#editor-tabs has ID specificity) when only gitgraph is visible */
.app-layout.central-gitgraph-only #editor-tabs {
  display: none;
}

.app-layout.chat-collapsed .panel-chat,
.app-layout.chat-collapsed #resize-chat {
  visibility: hidden;
  width: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
}

/* Grid column overrides for collapsed combos
   Columns: explorer | resize-e | editor/preview | resize-c | chat
   E=explorer-width, R=4px resize handle, M=1fr middle, C=chat-width
   When collapsed: 0px. When middle has content (editor or preview): 1fr
*/

/* Single panel collapsed */
.app-layout.explorer-collapsed {
  grid-template-columns: 0px 0px 1fr 4px var(--chat-width);
}
.app-layout.editor-collapsed {
  grid-template-columns: var(--explorer-width) 4px 1fr 4px var(--chat-width);
}
.app-layout.editor-collapsed.preview-off {
  grid-template-columns: var(--explorer-width) 0px 0px 0px var(--chat-width);
}
/* When gitgraph is alone in central (no editor, no preview): grid keeps center visible */
.app-layout.editor-collapsed.preview-off.central-gitgraph-only {
  grid-template-columns: var(--explorer-width) 4px 1fr 4px var(--chat-width);
}
/* Same but with explorer also collapsed */
.app-layout.explorer-collapsed.editor-collapsed.preview-off.central-gitgraph-only {
  grid-template-columns: 0px 0px 1fr 4px var(--chat-width);
}
.app-layout.chat-collapsed {
  grid-template-columns: var(--explorer-width) 4px 1fr 0px 0px;
}

/* Two panels collapsed */
.app-layout.explorer-collapsed.editor-collapsed {
  grid-template-columns: 0px 0px 1fr 4px var(--chat-width);
}
.app-layout.explorer-collapsed.editor-collapsed.preview-off {
  /* Only chat: chat expands to fill */
  grid-template-columns: 0px 0px 0px 0px 1fr;
}
.app-layout.explorer-collapsed.chat-collapsed {
  grid-template-columns: 0px 0px 1fr 0px 0px;
}
.app-layout.editor-collapsed.chat-collapsed {
  grid-template-columns: var(--explorer-width) 4px 1fr 0px 0px;
}
.app-layout.editor-collapsed.preview-off.chat-collapsed {
  /* Only explorer: explorer expands to fill */
  grid-template-columns: 1fr 0px 0px 0px 0px;
}

/* Three panels collapsed */
.app-layout.explorer-collapsed.editor-collapsed.chat-collapsed {
  grid-template-columns: 0px 0px 1fr 0px 0px;
}
.app-layout.explorer-collapsed.editor-collapsed.preview-off.chat-collapsed {
  grid-template-columns: 0px 0px 0px 0px 0px;
}

.app-layout.chat-collapsed #resize-chat {
  display: none;
}

/* === Scrollbar Styling === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Settings/Permission CSS removed in Op04 — terminal handles permissions natively */

/* === Responsive: Mobile === */
@media (max-width: 768px) {
  .app-header {
    padding: 0 4px;
    height: 36px;
    min-height: 36px;
  }

  .header-center {
    display: flex;
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  .header-left .app-title {
    font-size: 11px;
  }

  .header-left #toggle-settings {
    display: none;
  }

  /* Hide username text, show only avatar on mobile */
  .user-badge {
    overflow: hidden;
    max-width: 24px;
    height: 20px;
  }

  /* Enlarge touch targets on mobile */
  .toggle-btn, .admin-btn, .logout-btn {
    min-width: 36px;
    min-height: 36px;
    padding: 6px;
  }

  .app-layout {
    grid-template-columns: 1fr !important;
  }

  .panel-explorer,
  .panel-editor,
  .resize-handle {
    display: none;
  }

  .panel-chat {
    display: flex;
    border-left: none;
    grid-column: 1 !important;
  }

  .panel-chat .terminal-container {
    padding-left: 4px;
  }

  .panel-explorer,
  .panel-editor {
    grid-column: 1 !important;
  }

  /* Mobile panel switching */
  .app-layout.mobile-show-explorer .panel-explorer {
    display: flex;
  }
  .app-layout.mobile-show-explorer .panel-chat,
  .app-layout.mobile-show-explorer .panel-editor {
    display: none;
  }

  .app-layout.mobile-show-editor .panel-editor {
    display: flex;
  }
  .app-layout.mobile-show-editor .panel-chat,
  .app-layout.mobile-show-editor .panel-explorer {
    display: none;
  }

  .app-layout.mobile-show-preview .panel-editor {
    display: flex;
  }
  .app-layout.mobile-show-preview .panel-chat,
  .app-layout.mobile-show-preview .panel-explorer {
    display: none;
  }
  .app-layout.mobile-show-preview .editor-tab-bar,
  .app-layout.mobile-show-preview .editor-content {
    display: none;
  }
  .app-layout.mobile-show-preview .preview-area {
    display: flex !important;
  }
  .app-layout.mobile-show-git-graph .panel-editor {
    display: flex;
  }
  .app-layout.mobile-show-git-graph .panel-chat,
  .app-layout.mobile-show-git-graph .panel-explorer {
    display: none;
  }
  .app-layout.mobile-show-git-graph .editor-tab-bar,
  .app-layout.mobile-show-git-graph .editor-content,
  .app-layout.mobile-show-git-graph .preview-area {
    display: none;
  }
  .app-layout.mobile-show-git-graph .git-graph-area {
    display: flex !important;
  }
  .app-layout.mobile-show-git-graph .resize-handle-vertical {
    display: none !important;
  }

  .mobile-nav {
    display: flex;
    height: 52px;
    min-height: 52px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    justify-content: space-around;
    align-items: center;
    z-index: 10;
  }

  .mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px 16px;
    font-size: 10px;
    min-height: 44px;
    transition: color 0.15s;
  }

  .mobile-nav-btn.active {
    color: var(--accent);
  }

  .status-bar {
    display: none;
  }

  .toggle-btn#toggle-explorer,
  .toggle-btn#toggle-editor,
  .toggle-btn#toggle-preview,
  .toggle-btn#toggle-chat {
    display: none;
  }

  /* Prevent iOS auto-zoom on input focus (requires font-size >= 16px) */
  input, select, textarea, .xterm-helper-textarea {
    font-size: 16px !important;
  }

  /* Terminal: bloqueia double-tap zoom (delay 300ms) mas permite pinch zoom e long-press menu
     nativo do iOS. Op 15 / Fase 3 — `touch-action: none` é IGNORADO em iOS Safari (suporta
     apenas `manipulation`). Nosso handler custom L700-747 em terminal-panel.js usa
     `preventDefault()` com `{ passive: false }` para bloquear pull-to-refresh — funciona
     independente de touch-action. `-webkit-touch-callout: default` restaura context menu
     (Copy/Paste) nativo iOS via long-press. */
  .terminal-container {
    touch-action: manipulation;
    overscroll-behavior: none;
    -webkit-touch-callout: default;
  }

  .terminal-container .xterm-viewport,
  .terminal-container .xterm-screen {
    touch-action: manipulation;
    -webkit-touch-callout: default;
  }

  /* Login card responsive */
  .login-card {
    width: calc(100% - 32px);
    max-width: 360px;
    padding: 24px 20px;
    margin: 0 16px;
  }

  .login-title {
    font-size: 18px;
  }

  .github-btn {
    padding: 14px;
    font-size: 14px;
    min-height: 48px;
  }

  /* Modal fullscreen on mobile */
  .modal-card {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  /* Project tab close always visible on touch */
  .project-tab-close {
    opacity: 1;
  }

  /* Browser toolbar touch-friendly */
  .browser-nav-btn {
    min-width: 36px;
    min-height: 36px;
    font-size: 18px;
  }

  .browser-url-bar {
    font-size: 14px;
    padding: 6px 10px;
  }

  /* Mobile project dropdown selector */
  .project-mobile-selector {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
  }

  .project-mobile-icon {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }

  .project-mobile-dropdown {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 6px;
    min-width: 0;
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23aaa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    padding-right: 18px;
  }

  /* Explorer add button larger */
  .explorer-add-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  /* Admin panel responsive */
  .admin-panel {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .admin-table {
    font-size: 11px;
  }

  .admin-table th,
  .admin-table td {
    padding: 4px 6px;
  }

  .admin-form {
    flex-wrap: wrap;
  }

  .admin-input {
    width: 100%;
  }
}

/* === Responsive: Small Phones (320-374px) === */
@media (max-width: 374px) {
  .login-card {
    padding: 20px 16px;
  }

  .mobile-nav-btn {
    padding: 8px 8px;
    font-size: 9px;
  }

  .mobile-nav-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* === Responsive: Tablet === */
@media (min-width: 769px) and (max-width: 1024px) {
  :root {
    --explorer-width: 200px;
    --chat-width: 320px;
  }
}

/* === Login === */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--bg-primary);
}

.login-card {
  width: 360px;
  padding: 40px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.login-field {
  margin-bottom: 16px;
}

.login-field label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.login-field input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

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

.login-error {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  text-align: center;
}

.login-btn {
  width: 100%;
  padding: 9px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.login-btn:hover {
  background: var(--accent-hover);
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.github-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: #24292e;
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  margin-top: 8px;
}

/* Card 1786169344347080703 — tela "aguardando aprovacao" (waitlist) */
.waitlist-box {
  text-align: center;
}
.waitlist-icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 10px;
}
.waitlist-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--text, #e6e6e6);
}
.waitlist-msg {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted, #9aa0a6);
  margin: 0 0 18px;
}
.waitlist-logout {
  background: transparent;
  border: 1px solid var(--border, #333);
  color: var(--text-muted, #9aa0a6);
  margin-top: 8px;
}
.waitlist-logout:hover {
  background: rgba(255, 255, 255, 0.05);
}

.github-btn:hover {
  background: #2f363d;
}

.github-icon {
  flex-shrink: 0;
}

.user-avatar {
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
}

/* === User Badge & Logout === */

.header-separator {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 6px;
}

.user-badge {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 0 4px;
}

.logout-btn {
  color: var(--text-muted);
}

.logout-btn:hover {
  color: var(--accent);
}

/* === Terminal Tabs === */

.terminal-tabs {
  display: flex;
  align-items: center;
  height: 32px;
  min-height: 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.terminal-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 100%;
  font-size: 12px;
  color: var(--text-muted);
  border-right: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.terminal-tab:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}

.terminal-tab.active {
  color: var(--text-primary);
  background: var(--bg-primary);
  border-bottom: 2px solid var(--accent);
}

.terminal-tab-label {
  pointer-events: auto;
}

.terminal-tab-close {
  font-size: 14px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s;
  color: var(--text-muted);
}

.terminal-tab:hover .terminal-tab-close,
.terminal-tab.active .terminal-tab-close {
  opacity: 1;
}

.terminal-tab-close:hover {
  color: var(--accent);
}

.terminal-tab-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 100%;
  font-size: 16px;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}

.terminal-tab-add:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

/* Terminal session containers */
.terminal-session-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.terminal-session-container .xterm {
  height: 100%;
  /* Op 15 / Fase 2 — suaviza rendering de fonte monospace em Safari/iOS/WebKit.
     Sem isso, cursor pode aparecer levemente deslocado em algumas plataformas. */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Terminal Overlay (claim, disconnected, transitioning) === */

.terminal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.2s ease;
}

.terminal-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 300px;
  text-align: center;
  padding: 24px;
}

.terminal-overlay-icon {
  color: var(--text-muted, #888);
}

.terminal-overlay-message {
  font-size: 14px;
  color: var(--text-secondary, #ccc);
  line-height: 1.4;
}

.terminal-overlay-detail {
  font-size: 12px;
  color: var(--text-muted, #888);
}

.terminal-overlay-progress {
  width: 100%;
  height: 3px;
  background: var(--border, #333);
  border-radius: 2px;
  overflow: hidden;
}

.terminal-overlay-progress::after {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: var(--accent, #e94560);
  border-radius: 2px;
  animation: overlay-progress-slide 1.5s ease-in-out infinite;
}

@keyframes overlay-progress-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.terminal-overlay-action {
  margin-top: 8px;
  padding: 8px 20px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.terminal-overlay-action:hover {
  transform: scale(1.03);
}

.terminal-overlay-action:active {
  transform: scale(0.97);
}

.terminal-overlay-action--claim {
  background: var(--accent, #e94560);
  color: #fff;
}

.terminal-overlay-action--claim:hover {
  background: #ff6b6b;
}

.terminal-overlay-action--reconnect {
  background: var(--accent-secondary, #569cd6);
  color: #fff;
}

.terminal-overlay-action--reconnect:hover {
  background: #82aaff;
}

.terminal-overlay-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border, #333);
  border-top-color: var(--accent, #e94560);
  border-radius: 50%;
  animation: overlay-spin 0.8s linear infinite;
}

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

/* === Switch Overlay (project transition) === */

.switch-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: opacity 0.2s ease;
}

.switch-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding: 32px;
}

.switch-overlay-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary, #e0e0e0);
}

.switch-overlay-checklist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 160px;
}

.switch-overlay-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary, #ccc);
}

.switch-overlay-status {
  width: 18px;
  text-align: center;
  font-size: 14px;
}

.switch-overlay-status.pending { color: var(--text-muted, #666); }
.switch-overlay-status.loading { color: var(--accent, #e94560); }
.switch-overlay-status.done { color: #4caf50; }
.switch-overlay-status.error { color: #f44336; }

.switch-overlay-error {
  font-size: 12px;
  color: #f44336;
  margin-top: 8px;
}

/* === Admin Panel === */

.admin-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.admin-panel {
  width: 640px;
  max-height: 80vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.admin-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.admin-close {
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.admin-close:hover {
  color: var(--accent);
}

.admin-body {
  padding: 16px;
  overflow-y: auto;
}

.admin-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.admin-input {
  padding: 6px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  flex: 1;
}

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

.admin-select {
  flex: 0 0 80px;
}

.admin-btn {
  padding: 6px 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.admin-btn:hover {
  background: var(--accent-hover);
}

.admin-error {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th {
  text-align: left;
  padding: 8px 6px;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.admin-table td {
  padding: 8px 6px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.status-active {
  color: #4caf50;
}

.status-inactive {
  color: var(--text-muted);
}

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

.admin-action-btn {
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
}

.admin-action-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.admin-action-deactivate:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.admin-section-divider {
  border-top: 1px solid var(--border);
  margin: 16px 0 12px;
}

.admin-empty {
  color: var(--text-muted);
  font-size: 12px;
  padding: 8px 0;
}

.admin-btn-header {
  color: var(--text-muted);
}

.admin-btn-header:hover {
  color: var(--text-primary);
}

.admin-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin: 4px 0 8px;
  padding: 0;
}

/* === Project Tabs (Header Center) === */

#project-tabs-container {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 60vw;
}

#project-tabs-container::-webkit-scrollbar {
  display: none;
}

.project-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  /* Same dimensions as .sc-commit-btn (Card 2 v2 fix) */
  padding: 4px 12px;
  background: #fff;
  border: 1px solid transparent;
  border-radius: 4px;
  color: #888;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  text-transform: lowercase;
  overflow: hidden;
  margin-right: 4px; /* slight separation between tabs */
}

/* Neutral hover — no strong highlight per operator request (Card 2 / Op 14) */
.project-tab:hover {
  background: #f5f5f5;
}

.project-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
}

.project-tab-label {
  /* full name — no truncation (Card 2 / Op 14) */
}

/* Drag-and-drop visual feedback */
.project-tab.dragging {
  opacity: 0.5;
}
.project-tab.drag-over {
  box-shadow: -2px 0 0 var(--accent);
}

.project-tab-close {
  font-size: 14px;
  color: #aaa;
  cursor: pointer;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s;
}

.project-tab:hover .project-tab-close,
.project-tab.active .project-tab-close {
  opacity: 1;
}

.project-tab.active .project-tab-close {
  color: #fff;
}

.project-tab-close:hover {
  color: #e94560;
}
.project-tab.active .project-tab-close:hover {
  color: #ffcbd1;
}

.project-tab.loading .project-tab-label {
  opacity: 0.6;
}

.project-tab.loading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  animation: tab-loading 1s ease-in-out infinite;
}

@keyframes tab-loading {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  51% { transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

.project-tab-add {
  /* + as button, same style as project tabs (Card 2 v2 fix) */
  color: #888;
  font-size: 14px;
  font-weight: 700;
  padding: 4px 10px;
  background: #fff;
  border: 1px solid transparent;
  border-radius: 4px;
  margin-right: 0;
}

.project-tab-add:hover {
  background: #f5f5f5;
  color: var(--accent);
}

/* === Explorer Add Button === */

.explorer-add-btn {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 4px;
}

.explorer-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === Modal Overlay === */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 480px;
  max-width: 95vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
}

/* === New Project Modal === */

.np-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.np-tab {
  flex: 1;
  padding: 8px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  text-align: center;
}

.np-tab:hover {
  color: var(--text-primary);
}

.np-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.np-field {
  margin-bottom: 12px;
}

.np-field label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.np-field input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}

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

.np-action-btn {
  width: 100%;
  padding: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 13px;
  cursor: pointer;
}

.np-action-btn:hover {
  background: var(--accent-hover);
}

.np-repos-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 3px;
}

.np-repo-item {
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}

.np-repo-item:last-child {
  border-bottom: none;
}

.np-repo-item:hover {
  background: rgba(233, 69, 96, 0.08);
}

.np-repo-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.np-repo-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.np-repo-badge {
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
}

.np-repo-lang {
  font-size: 10px;
  color: var(--text-muted);
}

.np-repo-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.np-loading, .np-empty, .np-error {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.np-error {
  color: var(--accent);
}

.np-status {
  margin-top: 12px;
  padding: 8px 10px;
  border-radius: 3px;
  font-size: 12px;
  text-align: center;
}

.np-status--info {
  background: rgba(100, 150, 255, 0.1);
  color: #6496ff;
}

.np-status--success {
  background: rgba(80, 200, 120, 0.1);
  color: #50c878;
}

.np-status--error {
  background: rgba(233, 69, 96, 0.1);
  color: var(--accent);
}

.np-search-wrap {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .modal-card {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }
}

/* === Browser Preview Panel === */

.browser-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.browser-nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
}

.browser-nav-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.browser-url-bar {
  flex: 1;
  padding: 4px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: monospace;
  outline: none;
}

.browser-url-bar:focus {
  border-color: var(--accent);
}

.browser-console-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
}

.browser-console-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.browser-canvas-wrap {
  flex: 1;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.browser-canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  cursor: default;
  outline: none;
}

.browser-console {
  max-height: 150px;
  overflow-y: auto;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  font-family: monospace;
  font-size: 11px;
  padding: 4px;
}

.browser-console-line {
  padding: 1px 4px;
  white-space: pre-wrap;
  word-break: break-all;
}

.browser-console-log { color: var(--text-secondary); }
.browser-console-warning { color: #ffd700; }
.browser-console-error { color: var(--accent); }
.browser-console-info { color: #569cd6; }

/* === Git Graph Panel === */

.gg-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 32px;
  min-height: 32px;
}

.gg-branch-select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 8px;
  font-size: 12px;
  font-family: monospace;
  max-width: 200px;
  cursor: pointer;
}

.gg-toolbar-spacer { flex: 1; }

.gg-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.gg-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.gg-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Primary button (Card 7 / Op 14: Sync All highlighted) */
.gg-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.gg-btn-primary:hover {
  background: #c53e55;
  color: #fff;
}

.gg-graph-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.gg-table-wrap {
  flex: 1;
  overflow: auto;
  position: relative;
}

.gg-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 12px;
}

.gg-table thead {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--bg-secondary);
  height: 26px;
}

.gg-table th {
  padding: 4px 8px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.gg-col-graph {
  width: var(--gg-graph-width, 80px);
  min-width: var(--gg-graph-width, 80px);
  max-width: var(--gg-graph-width, 80px);
  padding: 0;
}

.gg-col-desc { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gg-col-date { width: 80px; min-width: 80px; color: var(--text-muted); white-space: nowrap; }

.gg-svg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  pointer-events: none;
  /* offset for thead sticky height */
  margin-top: 26px;
}

.gg-row {
  cursor: pointer;
  transition: background 0.1s;
  height: 24px;
  max-height: 24px;
  line-height: 24px;
  user-select: none;
  -webkit-user-select: none;
}

.gg-row:hover { background: rgba(128, 128, 128, 0.12); }
.gg-row.gg-row-expanded { background: rgba(128, 128, 128, 0.2); }

.gg-row td {
  padding: 0 8px;
  height: 24px;
  max-height: 24px;
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Ref labels */
.gg-ref {
  display: inline-block;
  padding: 0 6px;
  margin-right: 4px;
  font-size: 11px;
  line-height: 18px;
  border-radius: 4px;
  background: rgba(128, 128, 128, 0.15);
  border: 1px solid rgba(128, 128, 128, 0.4);
  vertical-align: middle;
  cursor: pointer;
}

.gg-ref.head { color: var(--text-primary); }
.gg-ref.tag { color: #ffcc00; border-color: rgba(255, 204, 0, 0.4); }
.gg-ref.remote { color: var(--text-muted); font-size: 10px; }
.gg-ref-current { font-weight: 700; border-width: 2px; }

.gg-message { color: var(--text-primary); }

/* Commit Details View (CDV) */
.gg-cdv-row {
  position: relative;
  z-index: 4;
}

.gg-cdv {
  padding: 0 !important;
  background: var(--bg-primary);
}

.gg-cdv-content {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(128, 128, 128, 0.08);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  max-height: 200px;
  overflow: auto;
  position: relative;
  z-index: 5;
}

.gg-cdv-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.gg-cdv-hash {
  font-family: monospace;
  font-size: 11px;
  color: var(--accent);
  cursor: pointer;
  word-break: break-all;
}

.gg-cdv-hash:hover { text-decoration: underline; }

.gg-cdv-author { color: var(--text-secondary); }
.gg-cdv-date { color: var(--text-muted); font-size: 11px; }
.gg-cdv-parents { color: var(--text-muted); font-size: 11px; }
.gg-cdv-msg { color: var(--text-primary); white-space: pre-wrap; word-break: break-word; margin-top: 4px; }

.gg-cdv-files {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  overflow: auto;
}

.gg-cdv-file {
  font-family: monospace;
  font-size: 11px;
  padding: 1px 4px;
  border-radius: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gg-cdv-file .gg-cdv-file-status {
  display: inline-block;
  width: 16px;
  text-align: center;
  margin-right: 6px;
  font-weight: 600;
}

.gg-cdv-file.added { color: #4ec9b0; }
.gg-cdv-file.deleted { color: var(--accent); }
.gg-cdv-file.modified { color: #dcdcaa; }
.gg-cdv-no-files { color: var(--text-muted); font-style: italic; }
.gg-cdv-files-loading { color: var(--text-muted); }

/* Load more */
.gg-load-more {
  display: flex;
  justify-content: center;
  padding: 8px;
}

.gg-load-btn {
  padding: 4px 16px;
}

/* Placeholder */
.gg-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* Error toast */
.gg-error-toast {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 12px;
  z-index: 10;
  max-width: 80%;
  text-align: center;
}

/* Context Menu */
.ctx-menu {
  position: fixed;
  z-index: 100;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  padding: 4px 0;
  min-width: 180px;
}

.ctx-menu-item {
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.1s;
  white-space: nowrap;
}

.ctx-menu-item:hover { background: var(--bg-tertiary); }
.ctx-menu-item.disabled { color: var(--text-muted); cursor: default; }
.ctx-menu-item.disabled:hover { background: transparent; }

.ctx-menu-separator {
  margin: 4px 8px;
  border-top: 1px solid var(--border);
}

/* Changes area */
.gg-changes-area {
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  max-height: 35%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.gg-changes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 28px;
  min-height: 28px;
}

.gg-changes-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.gg-btn-sm {
  font-size: 10px;
  padding: 1px 6px;
}

.gg-changes-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.gg-change-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  font-size: 12px;
  font-family: monospace;
  cursor: pointer;
  transition: background 0.1s;
}

.gg-change-item:hover { background: rgba(128, 128, 128, 0.1); }

.gg-change-cb {
  accent-color: var(--accent);
  cursor: pointer;
}

.gg-change-status {
  width: 14px;
  text-align: center;
  font-weight: 600;
  font-size: 11px;
}

.gg-change-item.modified .gg-change-status { color: #dcdcaa; }
.gg-change-item.staged .gg-change-status { color: #4ec9b0; }
.gg-change-item.untracked .gg-change-status { color: var(--text-muted); }
.gg-change-item.created .gg-change-status { color: #4ec9b0; }
.gg-change-item.deleted .gg-change-status { color: var(--accent); }
.gg-change-item.conflicted .gg-change-status { color: #ff4444; }

.gg-change-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.gg-change-empty {
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

.gg-commit-bar {
  display: flex;
  gap: 6px;
  padding: 6px 8px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.gg-commit-input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 12px;
  padding: 4px 8px;
  font-family: inherit;
}

.gg-commit-input::placeholder { color: var(--text-muted); }
.gg-commit-input:focus { outline: none; border-color: var(--accent); }

.gg-commit-btn {
  padding: 4px 12px;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}

.gg-commit-btn:hover:not(:disabled) { background: var(--accent-hover); }
.gg-commit-btn:disabled { opacity: 0.4; cursor: not-allowed; }