:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --bg-elevated: #21262d;
  --bg-hover: #292e36;
  --bg-active: #2d333b;
  --border-primary: #30363d;
  --border-secondary: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-muted: rgba(88,166,255,0.15);
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --danger-hover: #ff6e6a;
  --syntax-keyword: #ff7b72;
  --syntax-string: #a5d6ff;
  --syntax-comment: #6e7681;
  --syntax-number: #79c0ff;
  --syntax-function: #d2a8ff;
  --syntax-tag: #7ee787;
  --syntax-attr: #79c0ff;
  --syntax-operator: #ff7b72;
  --syntax-property: #79c0ff;
  --glass-bg: rgba(13,17,23,0.92);
  --glass-border: rgba(48,54,61,0.6);
  --glass-blur: 12px;
  --panel-radius: 8px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s cubic-bezier(0.4,0,0.2,1);
  --font-mono: 'SF Mono','Cascadia Code','Fira Code','JetBrains Mono','Consolas',monospace;
  --font-ui: -apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --sidebar-width: 260px;
  --tab-height: 38px;
  --toolbar-height: 40px;
  --statusbar-height: 28px;
  --titlebar-height: 42px;
  --bg-opacity: 0.25;
  --bg-blur: 0px;
  --bg-brightness: 100%;
  --bg-contrast: 100%;
  --bg-saturation: 100%;
  --bg-size: cover;
  --bg-position: center center;
  --bg-repeat: no-repeat;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #f0f2f5;
  --bg-elevated: #ffffff;
  --bg-hover: #e1e4e8;
  --bg-active: #d0d7de;
  --border-primary: #d0d7de;
  --border-secondary: #e1e4e8;
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-tertiary: #8b949e;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --accent-muted: rgba(9,105,218,0.12);
  --success: #1a7f37;
  --warning: #9a6700;
  --danger: #cf222e;
  --danger-hover: #a40e26;
  --syntax-keyword: #cf222e;
  --syntax-string: #0a3069;
  --syntax-comment: #6e7681;
  --syntax-number: #0550ae;
  --syntax-function: #8250df;
  --syntax-tag: #116329;
  --syntax-attr: #0550ae;
  --syntax-operator: #cf222e;
  --syntax-property: #0550ae;
  --glass-bg: rgba(255,255,255,0.95);
  --glass-border: rgba(208,215,222,0.7);
}

* { margin:0; padding:0; box-sizing:border-box; }
html,body { height:100%; overflow:hidden; }
body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent-muted); color: var(--accent); }
::-webkit-scrollbar { width:8px; height:8px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--bg-active); border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-tertiary); }
::-webkit-scrollbar-corner { background:transparent; }

input, textarea, select, button { font-family: inherit; font-size: inherit; }
button { cursor:pointer; border:none; background:none; color:inherit; }

#workspace-bg {
  position: fixed; inset:0; z-index:0;
  background: var(--bg-primary);
  transition: all var(--transition-slow);
  overflow: hidden;
}
#workspace-bg .bg-image {
  position:absolute; inset:0;
  background-size: var(--bg-size);
  background-position: var(--bg-position);
  background-repeat: var(--bg-repeat);
  opacity: var(--bg-opacity);
  filter: blur(var(--bg-blur)) brightness(var(--bg-brightness)) contrast(var(--bg-contrast)) saturate(var(--bg-saturation));
  transition: all var(--transition-slow);
  transform: scale(1.02);
}
#workspace-bg .bg-overlay {
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(13,17,23,0.85) 0%, rgba(22,27,34,0.8) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}
#workspace-bg .bg-overlay.active { opacity: 1; }
#workspace-bg .bg-atmosphere {
  position:absolute; inset:0; opacity:0.04;
  background: radial-gradient(ellipse at 20% 50%, var(--accent) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, #d2a8ff 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, #3fb950 0%, transparent 50%);
  animation: atmosphereFloat 20s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes atmosphereFloat {
  0% { transform: scale(1) rotate(0deg); opacity: 0.04; }
  100% { transform: scale(1.1) rotate(3deg); opacity: 0.06; }
}

#app {
  position:relative; z-index:1;
  display:flex; flex-direction:column;
  height:100vh; width:100vw;
  transition: all var(--transition-normal);
}
#app.fullscreen-mode .titlebar,
#app.fullscreen-mode .toolbar,
#app.fullscreen-mode .sidebar,
#app.fullscreen-mode .resize-handle,
#app.fullscreen-mode .statusbar,
#app.fullscreen-mode .tabs-bar { display: none !important; }
#app.fullscreen-mode .editor-container { border-radius: 0; }
#app.fullscreen-mode .code-editor-wrapper { border-radius: 0; }

.titlebar {
  height: var(--titlebar-height);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border-primary);
  display:flex; align-items:center;
  padding: 0 14px;
  gap: 12px;
  flex-shrink:0;
  z-index:100;
}
.titlebar-brand {
  display:flex; align-items:center; gap:10px;
  font-weight:800; font-size:14px;
  letter-spacing:2px; text-transform:uppercase;
  background: linear-gradient(135deg, var(--accent), #d2a8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select:none;
}
.titlebar-brand svg { flex-shrink:0; color: var(--accent); }
.titlebar-center {
  flex:1;
  display:flex; align-items:center; justify-content:center;
  gap:8px;
}
.titlebar-project {
  color:var(--text-secondary);
  font-size:12px;
  font-weight:500;
  padding: 4px 12px;
  background: var(--bg-hover);
  border-radius: 4px;
}
.titlebar-actions {
  display:flex; align-items:center; gap:4px;
}
.titlebar-btn {
  width:32px; height:32px;
  display:flex; align-items:center; justify-content:center;
  border-radius:6px;
  color:var(--text-secondary);
  transition: all var(--transition-fast);
}
.titlebar-btn:hover { background:var(--bg-hover); color:var(--text-primary); }
.titlebar-btn.active { background:var(--accent-muted); color:var(--accent); }
.titlebar-btn svg { width:16px; height:16px; }

.toolbar {
  height: var(--toolbar-height);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border-primary);
  display:flex; align-items:center;
  padding:0 10px;
  gap:6px;
  flex-shrink:0;
  z-index:99;
  overflow-x: auto;
}
.toolbar::-webkit-scrollbar { height: 0; }
.toolbar-group {
  display:flex; align-items:center; gap:3px;
  flex-shrink: 0;
}
.toolbar-sep {
  width:1px; height:22px;
  background:var(--border-primary);
  margin:0 8px;
  flex-shrink: 0;
}
.toolbar-btn {
  height:32px; padding:0 12px;
  display:flex; align-items:center; gap:6px;
  border-radius:6px;
  font-size:12px; font-weight:500;
  color:var(--text-secondary);
  transition: all var(--transition-fast);
  white-space:nowrap;
  flex-shrink: 0;
}
.toolbar-btn:hover { background:var(--bg-hover); color:var(--text-primary); }
.toolbar-btn.active { background:var(--accent-muted); color:var(--accent); }
.toolbar-btn svg { width:15px; height:15px; flex-shrink:0; }
.toolbar-spacer { flex:1; min-width: 10px; }

.main-layout {
  flex:1; display:flex;
  overflow:hidden;
  position:relative;
}

.sidebar {
  width: var(--sidebar-width);
  min-width:200px; max-width:500px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-right: 1px solid var(--border-primary);
  display:flex; flex-direction:column;
  transition: width var(--transition-normal), min-width var(--transition-normal);
  flex-shrink:0;
  overflow:hidden;
  position:relative;
  z-index:10;
}
.sidebar.collapsed { width:0; min-width:0; border-right:none; overflow:hidden; }
.sidebar-header {
  height:40px; padding:0 14px;
  display:flex; align-items:center; justify-content:space-between;
  border-bottom:1px solid var(--border-secondary);
  flex-shrink:0;
}
.sidebar-title {
  font-size:11px; font-weight:700;
  text-transform:uppercase; letter-spacing:1px;
  color:var(--text-secondary);
}
.sidebar-header-actions {
  display:flex; gap:4px;
}
.sidebar-icon-btn {
  width:26px; height:26px;
  display:flex; align-items:center; justify-content:center;
  border-radius:5px;
  color:var(--text-tertiary);
  transition: all var(--transition-fast);
}
.sidebar-icon-btn:hover { background:var(--bg-hover); color:var(--text-primary); }
.sidebar-icon-btn svg { width:14px; height:14px; }

.file-tree {
  flex:1; overflow-y:auto; overflow-x:hidden;
  padding:6px 0;
}
.tree-item {
  display:flex; align-items:center;
  height:30px; padding:0 10px;
  cursor:pointer;
  color:var(--text-secondary);
  transition: all var(--transition-fast);
  position:relative;
  user-select:none;
  gap:4px;
}
.tree-item:hover { background:var(--bg-hover); color:var(--text-primary); }
.tree-item.selected { background:var(--accent-muted); color:var(--accent); }
.tree-item.drag-over { background:var(--accent-muted); outline:2px dashed var(--accent); outline-offset:-2px; }
.tree-chevron {
  width:18px; height:18px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  transition: transform var(--transition-fast);
  opacity: 0.6;
}
.tree-chevron.expanded { transform:rotate(90deg); }
.tree-chevron svg { width:12px; height:12px; }
.tree-icon {
  width:18px; height:18px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.tree-icon svg { width:15px; height:15px; }
.tree-label {
  flex:1; font-size:13px;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.tree-modified {
  width:8px; height:8px;
  border-radius:50%;
  background:var(--warning);
  flex-shrink:0;
  margin-left:auto;
  box-shadow: 0 0 4px var(--warning);
}
.tree-item-input {
  flex:1; height:24px;
  background:var(--bg-primary);
  border:2px solid var(--accent);
  border-radius:4px;
  padding:0 6px;
  color:var(--text-primary);
  font-size:12px;
  outline:none;
}

.sidebar-footer {
  border-top:1px solid var(--border-secondary);
  padding:10px 14px;
  flex-shrink:0;
}
.sidebar-stats {
  display:flex; gap:16px;
  font-size:11px; color:var(--text-tertiary);
}

.resize-handle {
  width:5px; cursor:col-resize;
  background:transparent;
  transition: background var(--transition-fast);
  flex-shrink:0;
  z-index:11;
}
.resize-handle:hover, .resize-handle.active { background:var(--accent); }

.editor-area {
  flex:1; display:flex; flex-direction:column;
  overflow:hidden; min-width:0;
  position: relative;
}

.tabs-bar {
  height: var(--tab-height);
  background:var(--bg-secondary);
  border-bottom:1px solid var(--border-primary);
  display:flex; align-items:flex-end;
  overflow-x:auto; overflow-y:hidden;
  flex-shrink:0;
}
.tabs-bar::-webkit-scrollbar { height:0; }
.tab {
  height:34px; min-width:110px; max-width:200px;
  padding:0 14px;
  display:flex; align-items:center; gap:8px;
  border-right:1px solid var(--border-secondary);
  font-size:12px; color:var(--text-secondary);
  cursor:pointer;
  transition: all var(--transition-fast);
  flex-shrink:0;
  position:relative;
}
.tab:hover { background:var(--bg-hover); }
.tab.active {
  background:var(--bg-primary);
  color:var(--text-primary);
}
.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.tab-icon svg { width:14px; height:14px; }
.tab-label {
  flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  font-size:12px;
}
.tab-modified {
  width:8px; height:8px;
  border-radius:50%; background:var(--warning);
  flex-shrink:0;
  box-shadow: 0 0 4px var(--warning);
}
.tab-close {
  width:20px; height:20px;
  display:flex; align-items:center; justify-content:center;
  border-radius:4px;
  color:var(--text-tertiary);
  opacity:0;
  transition: all var(--transition-fast);
  flex-shrink:0;
}
.tab:hover .tab-close, .tab.active .tab-close { opacity:1; }
.tab-close:hover { background:var(--bg-active); color:var(--danger); }
.tab-close svg { width:12px; height:12px; }

.editor-container {
  flex:1; display:flex;
  overflow:hidden;
  position:relative;
}
.code-editor-wrapper {
  flex:1; display:flex; flex-direction:column;
  overflow:hidden; position:relative;
  min-width: 0;
}

.editor-scroll {
  flex:1; display:flex;
  overflow:hidden; position:relative;
  background:var(--bg-primary);
}
.line-numbers {
  width:55px; padding:12px 10px 12px 0;
  text-align:right; user-select:none;
  font-family:var(--font-mono);
  font-size:13px; line-height:22px;
  color:var(--text-tertiary);
  background:var(--bg-primary);
  flex-shrink:0;
  border-right:1px solid var(--border-secondary);
  overflow:hidden;
}
.line-number { height:22px; padding-right:10px; }
.line-number.active { color:var(--accent); font-weight: 600; }
.code-input {
  flex:1; position:relative;
  overflow:hidden;
  min-width: 0;
}
.code-textarea {
  position:absolute; inset:0;
  width:100%; height:100%;
  padding:12px 16px;
  font-family:var(--font-mono);
  font-size:13px; line-height:22px;
  color:transparent;
  background:transparent;
  border:none; outline:none;
  resize:none;
  caret-color:var(--text-primary);
  tab-size:2;
  white-space:pre;
  overflow:auto;
  z-index:2;
}
.code-textarea.wrap { white-space:pre-wrap; word-break:break-word; }
.code-highlight {
  position:absolute;
  top: 0; left: 0;
  width: max-content;
  min-width: 100%;
  padding:12px 16px;
  font-family:var(--font-mono);
  font-size:13px; line-height:22px;
  color:var(--text-primary);
  white-space:pre;
  pointer-events:none;
  z-index:1;
}
.code-highlight.wrap { white-space:pre-wrap; word-break:break-word; width: 100%; }

.code-highlight, .line-numbers {
  will-change: transform;
  transform: translate3d(0,0,0);
}

#app.fullscreen-mode .preview-panel { display: none !important; }
#app.fullscreen-mode .editor-container { width: 100% !important; }

.syn-kw { color:var(--syntax-keyword); font-weight: 500; }
.syn-str { color:var(--syntax-string); }
.syn-cmt { color:var(--syntax-comment); font-style:italic; }
.syn-num { color:var(--syntax-number); }
.syn-fn { color:var(--syntax-function); }
.syn-tag { color:var(--syntax-tag); }
.syn-attr { color:var(--syntax-attr); }
.syn-op { color:var(--syntax-operator); }
.syn-prop { color:var(--syntax-property); }

.preview-panel {
  display:flex; flex-direction:column;
  overflow:hidden;
  border-left:1px solid var(--border-primary);
  background:var(--bg-primary);
  min-width: 200px;
}
.preview-panel.hidden { display:none; }
.preview-toolbar {
  height:36px; padding:0 10px;
  display:flex; align-items:center; gap:8px;
  background:var(--bg-secondary);
  border-bottom:1px solid var(--border-primary);
  flex-shrink:0;
}
.preview-url {
  flex:1; height:26px;
  background:var(--bg-primary);
  border:1px solid var(--border-primary);
  border-radius:4px;
  padding:0 10px;
  font-size:11px;
  color:var(--text-secondary);
  display:flex; align-items:center;
  overflow:hidden;
  font-family: var(--font-mono);
}
.preview-iframe-wrap {
  flex:1; background:#fff;
  position:relative;
  overflow: hidden;
}
.preview-iframe-wrap iframe {
  width:100%; height:100%;
  border:none;
}

.statusbar {
  height: var(--statusbar-height);
  background:var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-top:1px solid var(--border-primary);
  display:flex; align-items:center;
  padding:0 12px;
  gap:20px;
  font-size:11px;
  color:var(--text-tertiary);
  flex-shrink:0;
  z-index:99;
}
.statusbar-section {
  display:flex; align-items:center; gap:6px;
}
.statusbar-spacer { flex:1; }
.status-indicator {
  width:8px; height:8px;
  border-radius:50%;
  background:var(--success);
  box-shadow: 0 0 6px var(--success);
}
.status-indicator.warning { background:var(--warning); box-shadow: 0 0 6px var(--warning); }
.status-indicator.error { background:var(--danger); box-shadow: 0 0 6px var(--danger); }
.statusbar-btn {
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.statusbar-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.context-menu {
  position:fixed;
  min-width:200px;
  background:var(--bg-elevated);
  border:1px solid var(--border-primary);
  border-radius:10px;
  padding:6px;
  box-shadow:0 12px 40px rgba(0,0,0,0.5);
  z-index:1000;
  display:none;
  backdrop-filter:blur(20px);
}
.context-menu.show { display:block; animation:ctxFade 0.15s ease; }
@keyframes ctxFade {
  from { opacity:0; transform:scale(0.95) translateY(-6px); }
  to { opacity:1; transform:scale(1) translateY(0); }
}
.ctx-item {
  display:flex; align-items:center; gap:10px;
  height:32px; padding:0 12px;
  border-radius:6px;
  font-size:12px;
  color:var(--text-secondary);
  cursor:pointer;
  transition: all var(--transition-fast);
}
.ctx-item:hover { background:var(--accent-muted); color:var(--text-primary); }
.ctx-item.danger:hover { background:rgba(248,81,73,0.15); color:var(--danger); }
.ctx-item svg { width:14px; height:14px; flex-shrink:0; opacity: 0.7; }
.ctx-item-label { flex:1; }
.ctx-item-shortcut { font-size:10px; color:var(--text-tertiary); font-family: var(--font-mono); }
.ctx-sep { height:1px; margin:6px 10px; background:var(--border-secondary); }
.ctx-category-label {
  padding: 6px 12px 4px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
}

.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.7);
  backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  z-index:2000;
  opacity:0; pointer-events:none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.show { opacity:1; pointer-events:auto; }
.modal {
  background:var(--bg-elevated);
  border:1px solid var(--border-primary);
  border-radius:16px;
  width:92%;
  max-width:620px;
  box-shadow:0 24px 80px rgba(0,0,0,0.6);
  transform:scale(0.95) translateY(20px);
  transition:transform var(--transition-normal);
  max-height:85vh;
  display:flex; flex-direction:column;
}
.modal-overlay.show .modal { transform:scale(1) translateY(0); }
.modal-header {
  padding:18px 22px 14px;
  display:flex; align-items:center; justify-content:space-between;
  border-bottom:1px solid var(--border-secondary);
  flex-shrink:0;
}
.modal-title { font-size:16px; font-weight:600; }
.modal-close {
  width:30px; height:30px;
  display:flex; align-items:center; justify-content:center;
  border-radius:8px;
  color:var(--text-tertiary);
  transition:all var(--transition-fast);
}
.modal-close:hover { background:var(--bg-hover); color:var(--text-primary); }
.modal-close svg { width:16px; height:16px; }
.modal-body { padding:18px 22px; overflow-y:auto; flex:1; }
.modal-footer {
  padding:14px 22px 18px;
  display:flex; justify-content:flex-end; gap:10px;
  border-top:1px solid var(--border-secondary);
  flex-shrink:0;
}
.btn {
  height:36px; padding:0 18px;
  border-radius:8px;
  font-size:13px; font-weight:500;
  display:flex; align-items:center; gap:8px;
  transition:all var(--transition-fast);
}
.btn-secondary {
  background:var(--bg-hover);
  color:var(--text-secondary);
  border: 1px solid var(--border-primary);
}
.btn-secondary:hover { background:var(--bg-active); color:var(--text-primary); border-color: var(--border-primary); }
.btn-primary {
  background:var(--accent);
  color:#fff;
}
.btn-primary:hover { background:var(--accent-hover); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:var(--danger-hover); }
.btn-icon {
  width: 36px; padding: 0;
  justify-content: center;
}

.form-group { margin-bottom:16px; }
.form-group:last-child { margin-bottom: 0; }
.form-label {
  display:block; margin-bottom:6px;
  font-size:12px; font-weight:600;
  color:var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-input {
  width:100%; height:38px;
  background:var(--bg-primary);
  border:1px solid var(--border-primary);
  border-radius:8px;
  padding:0 12px;
  color:var(--text-primary);
  font-size:13px;
  outline:none;
  transition:border var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus { border-color:var(--accent); box-shadow: 0 0 0 3px var(--accent-muted); }
.form-select {
  width:100%; height:38px;
  background:var(--bg-primary);
  border:1px solid var(--border-primary);
  border-radius:8px;
  padding:0 12px;
  color:var(--text-primary);
  font-size:13px;
  outline:none;
  cursor:pointer;
}
.form-range {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-active);
  outline: none;
  -webkit-appearance: none;
}
.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.command-palette {
  position:fixed; top:15%;
  left:50%; transform:translateX(-50%);
  width:94%; max-width:600px;
  background:var(--bg-elevated);
  border:1px solid var(--border-primary);
  border-radius:14px;
  box-shadow:0 20px 70px rgba(0,0,0,0.6);
  z-index:2000;
  display:none;
  overflow:hidden;
}
.command-palette.show { display:block; animation:ctxFade 0.15s ease; }
.cp-input-wrap {
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-secondary);
}
.cp-input-wrap svg { width: 18px; height: 18px; color: var(--text-tertiary); flex-shrink: 0; }
.cp-input {
  flex: 1;
  height:52px;
  padding:0 14px;
  background:transparent;
  border:none;
  color:var(--text-primary);
  font-size:15px;
  outline:none;
}
.cp-results {
  max-height:360px;
  overflow-y:auto;
  padding:6px;
}
.cp-item {
  display:flex; align-items:center; gap:10px;
  height:38px; padding:0 14px;
  border-radius:8px;
  font-size:13px;
  color:var(--text-secondary);
  cursor:pointer;
  transition: all var(--transition-fast);
}
.cp-item:hover, .cp-item.selected { background:var(--accent-muted); color:var(--text-primary); }
.cp-item svg { width:16px; height:16px; flex-shrink:0; opacity: 0.6; }
.cp-item-path { font-size:11px; color:var(--text-tertiary); margin-left:auto; font-family: var(--font-mono); }
.cp-empty {
  padding:30px; text-align:center;
  color:var(--text-tertiary); font-size:13px;
}
.cp-category {
  padding: 8px 14px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
}

.search-panel {
  padding:10px 14px;
  border-bottom:1px solid var(--border-secondary);
  display:none;
  background: var(--bg-tertiary);
}
.search-panel.show { display:block; }
.search-input-wrap {
  display:flex; gap:6px;
}
.search-input {
  flex:1; height:32px;
  background:var(--bg-primary);
  border:1px solid var(--border-primary);
  border-radius:6px;
  padding:0 10px;
  color:var(--text-primary);
  font-size:12px;
  outline:none;
}
.search-input:focus { border-color:var(--accent); }
.search-options {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.search-option {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-tertiary);
  cursor: pointer;
}
.search-option input { margin: 0; }
.search-results {
  max-height:250px; overflow-y:auto;
  margin-top:8px;
}
.search-result-item {
  display:flex; flex-direction: column; gap:2px;
  padding:8px 10px;
  border-radius:6px;
  font-size:12px;
  color:var(--text-secondary);
  cursor:pointer;
  border-bottom: 1px solid var(--border-secondary);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background:var(--bg-hover); color:var(--text-primary); }
.search-result-file { font-size: 11px; color: var(--text-tertiary); }
.search-result-line { font-family: var(--font-mono); font-size: 11px; }
.search-match { background: var(--accent-muted); color:var(--accent); font-weight:600; padding: 1px 2px; border-radius: 2px; }
.search-count { font-size: 11px; color: var(--text-tertiary); padding: 6px 0; }

.empty-state {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:16px; padding:50px;
  color:var(--text-tertiary);
}
.empty-state svg { opacity:0.2; }
.empty-state-title { font-size:18px; font-weight:600; color:var(--text-secondary); }
.empty-state-desc { font-size:13px; text-align:center; max-width:350px; line-height:1.7; }

.toast-container {
  position:fixed; bottom:50px; right:20px;
  display:flex; flex-direction:column-reverse;
  gap:10px; z-index:3000;
}
.toast {
  padding:12px 18px;
  background:var(--bg-elevated);
  border:1px solid var(--border-primary);
  border-radius:10px;
  font-size:13px;
  color:var(--text-primary);
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  display:flex; align-items:center; gap:10px;
  animation:toastIn 0.3s ease;
  max-width:360px;
}
.toast.out { animation:toastOut 0.3s ease forwards; }
@keyframes toastIn {
  from { opacity:0; transform:translateX(30px) scale(0.95); }
  to { opacity:1; transform:translateX(0) scale(1); }
}
@keyframes toastOut {
  to { opacity:0; transform:translateX(30px) scale(0.95); }
}
.toast-icon { flex-shrink:0; }
.toast-icon.success { color:var(--success); }
.toast-icon.warning { color:var(--warning); }
.toast-icon.error { color:var(--danger); }
.toast-icon.info { color:var(--accent); }

.drop-zone-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.8);
  backdrop-filter:blur(10px);
  display:flex; align-items:center; justify-content:center;
  z-index:5000;
  opacity:0; pointer-events:none;
  transition: opacity var(--transition-normal);
}
.drop-zone-overlay.show { opacity:1; pointer-events:auto; }
.drop-zone-box {
  width:420px; height:280px;
  border:3px dashed var(--accent);
  border-radius:20px;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:16px;
  color:var(--accent);
  background: var(--accent-muted);
}
.drop-zone-box svg { width:56px; height:56px; opacity:0.8; }
.drop-zone-box-title { font-size:18px; font-weight:600; }
.drop-zone-box-desc { font-size:14px; color:var(--text-secondary); }

.settings-section {
  margin-bottom: 24px;
}
.settings-section:last-child { margin-bottom: 0; }
.settings-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-secondary);
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.settings-row-label {
  font-size: 13px;
  color: var(--text-secondary);
}
.settings-row-value {
  font-size: 12px;
  color: var(--text-tertiary);
  min-width: 60px;
  text-align: right;
}
.color-option {
  width:30px; height:30px;
  border-radius:50%;
  border:3px solid transparent;
  cursor:pointer;
  transition:all var(--transition-fast);
}
.color-option:hover { transform:scale(1.15); }
.color-option.active { border-color:var(--text-primary); box-shadow: 0 0 0 2px var(--bg-primary); }
.color-options { display:flex; gap:10px; flex-wrap:wrap; }
.toggle-btn {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--bg-active);
  position: relative;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.toggle-btn.active { background: var(--accent); }
.toggle-btn::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 3px;
  left: 3px;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.toggle-btn.active::after { left: 23px; }

.suggestions-popup {
  position: fixed;
  min-width: 280px;
  max-width: 400px;
  max-height: 250px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  z-index: 1500;
  display: none;
  overflow: hidden;
}
.suggestions-popup.show { display: block; animation: ctxFade 0.1s ease; }
.suggestion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-mono);
}
.suggestion-item:hover, .suggestion-item.selected {
  background: var(--accent-muted);
  color: var(--text-primary);
}
.suggestion-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}
.suggestion-icon.keyword { background: #ff7b7233; color: #ff7b72; }
.suggestion-icon.function { background: #d2a8ff33; color: #d2a8ff; }
.suggestion-icon.variable { background: #79c0ff33; color: #79c0ff; }
.suggestion-icon.property { background: #7ee78733; color: #7ee787; }
.suggestion-icon.tag { background: #7ee78733; color: #7ee787; }
.suggestion-icon.snippet { background: #ffa65733; color: #ffa657; }
.suggestion-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.suggestion-type { font-size: 10px; color: var(--text-tertiary); }

@media (max-width: 768px) {
  :root { --sidebar-width: 100%; }
  .sidebar {
    position:absolute; left:0; top:0; bottom:0;
    z-index:50;
    box-shadow:6px 0 30px rgba(0,0,0,0.4);
    max-width: 300px;
  }
  .sidebar.collapsed { width:0; }
  .preview-panel { display:none !important; }
  .toolbar-btn .btn-text { display:none; }
  .titlebar-project { display: none; }
}

.file-details {
  padding:14px;
  border-top:1px solid var(--border-secondary);
  flex-shrink:0;
  background: var(--bg-tertiary);
}
.file-detail-row {
  display:flex; justify-content:space-between;
  font-size:11px; padding:3px 0;
}
.file-detail-label { color:var(--text-tertiary); }
.file-detail-value { color:var(--text-secondary); font-family: var(--font-mono); }

/* ===== EXTENSION MANAGER STYLES ===== */
.extensions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.extension-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  gap: 14px;
  transition: border-color var(--transition-fast);
}
.extension-card:hover { border-color: var(--text-tertiary); }
.extension-card.error { border-color: var(--danger); }
.extension-card.disabled { opacity: 0.6; }
.extension-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
}
.extension-icon svg { width: 24px; height: 24px; color: var(--accent); }
.extension-info { flex: 1; min-width: 0; }
.extension-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.extension-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.extension-version {
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  padding: 1px 6px;
  border-radius: 4px;
}
.extension-author {
  font-size: 11px;
  color: var(--text-tertiary);
}
.extension-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}
.extension-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.extension-status {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.extension-status.active { background: var(--success); color: white; }
.extension-status.inactive { background: var(--text-tertiary); color: white; }
.extension-status.error { background: var(--danger); color: white; }
.extension-permissions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.extension-permission {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  border: 1px solid var(--border-secondary);
}
.extension-install-date {
  font-size: 10px;
  color: var(--text-tertiary);
}
.extension-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.extension-action-btn {
  height: 28px;
  padding: 0 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}
.extension-action-btn.secondary {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
}
.extension-action-btn.secondary:hover {
  background: var(--bg-active);
  color: var(--text-primary);
}
.extension-action-btn.danger {
  background: rgba(248,81,73,0.15);
  color: var(--danger);
  border: 1px solid rgba(248,81,73,0.3);
}
.extension-action-btn.danger:hover {
  background: var(--danger);
  color: white;
}
.extension-action-btn.primary {
  background: var(--accent);
  color: white;
}
.extension-action-btn.primary:hover {
  background: var(--accent-hover);
}
.extension-action-btn svg { width: 12px; height: 12px; }

/* Extension logs */
.extension-logs {
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  padding: 10px;
  max-height: 300px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
}
.extension-log-entry {
  padding: 3px 0;
  border-bottom: 1px solid var(--border-secondary);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.extension-log-entry:last-child { border-bottom: none; }
.extension-log-time { color: var(--text-tertiary); flex-shrink: 0; }
.extension-log-level {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  flex-shrink: 0;
}
.extension-log-level.info { background: var(--accent-muted); color: var(--accent); }
.extension-log-level.warn { background: rgba(210,153,34,0.2); color: var(--warning); }
.extension-log-level.error { background: rgba(248,81,73,0.2); color: var(--danger); }
.extension-log-level.success { background: rgba(63,185,80,0.2); color: var(--success); }
.extension-log-msg { color: var(--text-secondary); word-break: break-word; }

/* Extension validation errors */
.extension-errors {
  background: rgba(248,81,73,0.1);
  border: 1px solid rgba(248,81,73,0.3);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}
.extension-error-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--danger);
  margin-bottom: 6px;
}
.extension-error-list {
  list-style: none;
  font-size: 11px;
  color: var(--text-secondary);
}
.extension-error-list li {
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}
.extension-error-list li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--danger);
}
.extension-warnings {
  background: rgba(210,153,34,0.1);
  border: 1px solid rgba(210,153,34,0.3);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}
.extension-warning-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--warning);
  margin-bottom: 6px;
}
.extension-warning-list {
  list-style: none;
  font-size: 11px;
  color: var(--text-secondary);
}
.extension-warning-list li {
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}
.extension-warning-list li::before {
  content: '⚠';
  position: absolute;
  left: 0;
  color: var(--warning);
}

/* Extension settings */
.extension-settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.extension-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 8px;
}
.extension-setting-label {
  font-size: 13px;
  color: var(--text-secondary);
}
.extension-setting-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}
.extension-setting-control {
  flex-shrink: 0;
}

/* Extension toolbar contributions */
.ext-toolbar-group {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

/* Extension sidebar panels */
.ext-sidebar-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}
.ext-sidebar-panel.show { display: flex; }

/* Extension status bar items */
.ext-statusbar-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.ext-statusbar-item:hover { background: var(--bg-hover); color: var(--text-primary); }

.fullscreen-exit-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.fullscreen-exit-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#app.fullscreen-mode .fullscreen-exit-btn { display: flex; }



:root {
  --ui-scale: 1;
  --ui-accent-2: var(--accent);
  --settings-tab-bg: var(--bg-secondary);
  --settings-tab-active: var(--bg-primary);
  --bulk-bar-bg: rgba(0,0,0,0.55);
  --bulk-bar-border: var(--border-primary);
  --dev-chip-bg: var(--bg-hover);
}

body {
  zoom: var(--ui-scale);
  transform-origin: top left;
  width: calc(100% / var(--ui-scale));
}

body[data-bg-scope="workspace"] #workspace-bg .bg-image { opacity: calc(var(--bg-opacity) * 0.85); }
body[data-bg-scope="editor"] #workspace-bg .bg-image { opacity: calc(var(--bg-opacity) * 0.65); }
body[data-bg-scope="sidebar"] #workspace-bg .bg-image { opacity: calc(var(--bg-opacity) * 0.55); }
body[data-bg-scope="full"] #workspace-bg .bg-image { opacity: var(--bg-opacity); }

body[data-theme-preset="matrix"] .titlebar-brand,
body[data-theme-preset="matrix"] .tab.active::after,
body[data-theme-preset="matrix"] .status-indicator,
body[data-theme-preset="matrix"] .toolbar-btn.active,
body[data-theme-preset="matrix"] .settings-section-title { color: #6fff6f !important; }

body[data-theme-preset="matrix"] .status-indicator { background: #6fff6f; box-shadow: 0 0 6px #6fff6f; }
body[data-theme-preset="matrix"] .toolbar-btn.active,
body[data-theme-preset="matrix"] .tab.active,
body[data-theme-preset="matrix"] .tree-item.selected,
body[data-theme-preset="matrix"] .ctx-item:hover { background: rgba(111,255,111,0.15); }

#themeEffectCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity .3s ease;
}
body[data-theme-preset="matrix"] #themeEffectCanvas { opacity: .32; }

.multi-selected {
  background: rgba(88,166,255,0.18) !important;
  color: var(--accent) !important;
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}
.multi-selected .tree-label { font-weight: 600; }

.bulk-actions-bar {
  position: fixed;
  left: 50%;
  bottom: 44px;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  z-index: 4000;
  background: var(--bulk-bar-bg);
  color: #fff;
  border: 1px solid var(--bulk-bar-border);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.45);
  border-radius: 14px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all .2s ease;
  max-width: calc(100vw - 20px);
}
.bulk-actions-bar.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.bulk-actions-count {
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.bulk-actions-buttons { display:flex; gap:8px; flex-wrap:wrap; }
.bulk-actions-buttons .btn {
  height: 30px;
  padding: 0 12px;
  font-size: 11px;
}
.bulk-actions-buttons .btn-secondary {
  color: #fff;
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
}
.bulk-actions-buttons .btn-danger {
  background: rgba(248,81,73,0.92);
}

.joce-settings-tabs {
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0 14px;
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(to bottom, var(--bg-elevated), transparent);
  margin-bottom: 6px;
}
.joce-settings-tab {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--settings-tab-bg);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  font-size: 11px;
  cursor:pointer;
  transition: all .15s ease;
}
.joce-settings-tab.active {
  background: var(--settings-tab-active);
  color: var(--text-primary);
  border-color: var(--accent);
}
.settings-section[data-hidden="1"] { display:none !important; }

.dev-center-card {
  display:flex; flex-direction:column; gap:12px;
  padding: 14px;
  border:1px solid var(--border-primary);
  border-radius:12px;
  background: var(--bg-primary);
}
.dev-grid {
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
.dev-stat {
  padding:10px 12px;
  border-radius:10px;
  background: var(--bg-secondary);
  border:1px solid var(--border-secondary);
}
.dev-stat .k {
  display:block; font-size:10px; text-transform:uppercase; letter-spacing:.8px; color: var(--text-tertiary);
}
.dev-stat .v {
  display:block; margin-top:4px; font-size:13px; color: var(--text-primary); font-weight:600; word-break:break-word;
}
.dev-note {
  font-size:11px; color: var(--text-tertiary); line-height:1.7;
}

.update-log-list {
  display:flex; flex-direction:column; gap:12px;
}
.update-entry {
  border:1px solid var(--border-primary);
  border-radius:12px;
  background: var(--bg-primary);
  padding:14px;
}
.update-entry-header {
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  margin-bottom:10px;
}
.update-entry-version {
  font-weight:800; color: var(--accent);
}
.update-entry-time {
  font-size:11px; color: var(--text-tertiary);
}
.update-entry ul {
  margin: 0; padding-inline-start: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.update-entry li { margin: 4px 0; }

.selection-chip {
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 10px;
  border-radius:999px;
  background: var(--accent-muted);
  color: var(--accent);
  font-size:11px;
  font-weight:700;
}

@media (max-width: 768px) {
  body { zoom: 1 !important; width: 100% !important; }
  .bulk-actions-bar {
    left: 8px; right: 8px; transform: translateY(20px);
    width: auto;
  }
  .bulk-actions-bar.show { transform: translateY(0); }
  .dev-grid { grid-template-columns: 1fr; }
}