/* ---------- Theme tokens (monochromatic, Roboto) ---------- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@200;400;500;700&display=swap');

:root {
  /* Dark (default) */
  --bg: #0a0a0a;
  --bg-2: #141414;
  --bg-3: #1f1f1f;
  --bg-hover: #262626;
  --border: #262626;
  --border-strong: #3a3a3a;
  --text: #fafafa;
  --text-dim: #a3a3a3;
  --text-faint: #737373;
  --accent: #fafafa;
  --accent-2: #d4d4d4;
  --accent-soft: rgba(250, 250, 250, 0.10);
  --accent-on: #0a0a0a;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #f59e0b;
  --shadow: 0 4px 20px rgba(0,0,0,0.5);
  --radius: 8px;
  --radius-sm: 6px;
  --sidebar-w: 280px;
  --sidebar-r-w: 320px;
  --toolbar-h: 48px;
  --statusbar-h: 26px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: 'Roboto', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
html[data-theme="light"] {
  --bg: #ffffff;
  --bg-2: #fafafa;
  --bg-3: #f4f4f5;
  --bg-hover: #e5e5e5;
  --border: #e5e5e5;
  --border-strong: #d4d4d4;
  --text: #0a0a0a;
  --text-dim: #525252;
  --text-faint: #a3a3a3;
  --accent: #0a0a0a;
  --accent-2: #404040;
  --accent-soft: rgba(10, 10, 10, 0.06);
  --accent-on: #ffffff;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* Honor [hidden] even on grid/flex containers */
[hidden] { display: none !important; }

/* ---------- Icons (Lucide) ---------- */
[data-lucide], .lucide {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.18s cubic-bezier(.2,.7,.3,1), opacity 0.18s;
}
.empty-actions .btn [data-lucide],
.empty-actions .btn .lucide { width: 22px; height: 22px; stroke-width: 1.6; }
.empty-actions .btn:hover [data-lucide],
.empty-actions .btn:hover .lucide { transform: scale(1.08) translateY(-1px); }

.empty-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--text);
  color: var(--bg);
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.empty-logo [data-lucide], .empty-logo .lucide {
  width: 28px; height: 28px; stroke-width: 2;
  animation: logo-float 4s ease-in-out infinite;
}
@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.hint-icon { width: 14px !important; height: 14px !important; margin-right: 4px; opacity: 0.6; }

/* Tool button icon hover */
.tool-btn .lucide,
.tool-btn [data-lucide] { width: 15px; height: 15px; }
.tool-btn.icon-only { padding: 6px 8px; }
.tool-btn:hover [data-lucide],
.tool-btn:hover .lucide { transform: scale(1.08); }
.tool-btn:active [data-lucide],
.tool-btn:active .lucide { transform: scale(0.92); }
.tool-btn.primary [data-lucide],
.tool-btn.primary .lucide { stroke-width: 2; }

/* Press animation (subtle bounce on click) */
.anim-press:active [data-lucide],
.anim-press:active .lucide { animation: press-bounce 0.25s ease; }
@keyframes press-bounce {
  0% { transform: scale(0.85); }
  60% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* Delete: subtle shake on hover */
.anim-shake:hover [data-lucide],
.anim-shake:hover .lucide {
  animation: shake-wiggle 0.5s ease;
  color: var(--danger);
}
@keyframes shake-wiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-7deg); }
  75% { transform: rotate(7deg); }
}

/* Eye blink */
.anim-blink:hover [data-lucide],
.anim-blink:hover .lucide { animation: blink 0.6s ease; }
@keyframes blink {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.1); }
}

/* Theme toggle — sun/moon crossfade like mncoleman.com */
.theme-toggle {
  position: relative;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle [data-lucide], .theme-toggle .lucide {
  position: absolute;
  width: 16px;
  height: 16px;
  transition: transform 0.4s cubic-bezier(.2,.7,.3,1), opacity 0.3s;
}
.theme-toggle .th-sun { transform: rotate(0) scale(1); opacity: 1; }
.theme-toggle .th-moon { transform: rotate(90deg) scale(0); opacity: 0; }
html[data-theme="dark"] .theme-toggle .th-sun { transform: rotate(-90deg) scale(0); opacity: 0; }
html[data-theme="dark"] .theme-toggle .th-moon { transform: rotate(0) scale(1); opacity: 1; }

/* Block tile icons (when they're lucide) */
.block-item [data-lucide], .block-item .lucide {
  width: 20px; height: 20px; stroke-width: 1.6;
}
.block-item:hover [data-lucide], .block-item:hover .lucide {
  transform: scale(1.08) rotate(-2deg);
  color: var(--text);
}

/* Sidebar tab icons (if used) */
.tab [data-lucide], .tab .lucide { width: 14px; height: 14px; margin-right: 4px; }

/* Selection toolbar buttons */
.sel-toolbar button [data-lucide], .sel-toolbar button .lucide { width: 14px; height: 14px; }
.sel-toolbar button:hover [data-lucide], .sel-toolbar button:hover .lucide { transform: scale(1.1); }

/* Save button: pulse when dirty (data attribute on body) */
body[data-dirty="true"] #tb-save [data-lucide],
body[data-dirty="true"] #tb-save .lucide {
  animation: dirty-pulse 1.8s ease-in-out infinite;
}
@keyframes dirty-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

/* Status bar/recent icons */
.recent-item [data-lucide], .snippet-item [data-lucide] { width: 12px; height: 12px; opacity: 0.6; }

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}
button { font-family: inherit; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }

/* ---------- Empty state ---------- */
.empty-state {
  position: fixed; inset: 0;
  display: grid; place-items: center;
  background:
    radial-gradient(1000px 700px at 50% 30%, rgba(255,255,255,0.04), transparent 60%),
    var(--bg);
}
html[data-theme="light"] .empty-state {
  background:
    radial-gradient(1000px 700px at 50% 30%, rgba(0,0,0,0.03), transparent 60%),
    var(--bg);
}
.empty-inner {
  text-align: center;
  max-width: 640px;
  padding: 40px 24px;
}
.wordmark {
  font-family: var(--sans);
  font-weight: 200;
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.wordmark .slash { color: var(--text-faint); margin: 0 8px; }
.empty-inner h1 {
  margin: 0 0 12px;
  font-size: 42px;
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--text);
}
.empty-inner h1 strong { font-weight: 700; }
.empty-inner p {
  margin: 0 auto 28px;
  color: var(--text-dim);
  max-width: 480px;
  line-height: 1.5;
}
.empty-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text);
  font-size: 13px;
}
.btn:hover {
  background: var(--bg-3);
  border-color: var(--border-strong);
}
.empty-actions .btn {
  flex-direction: column;
  padding: 20px 14px;
  gap: 6px;
}
.empty-actions .btn:hover { transform: translateY(-1px); }
.empty-actions .btn .icon { font-size: 24px; }
.empty-actions .btn span:nth-child(2) { font-weight: 600; }
.empty-actions .btn small { color: var(--text-faint); font-size: 11px; }
.empty-actions .btn-primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-on);
}
.empty-actions .btn-primary small { color: var(--accent-on); opacity: 0.7; }
.empty-actions .btn-primary:hover { filter: brightness(0.92); }
html[data-theme="dark"] .empty-actions .btn-primary:hover { filter: brightness(0.85); }

.empty-drop-hint {
  color: var(--text-faint);
  font-size: 13px;
  margin-bottom: 24px;
}
.empty-shortcuts {
  color: var(--text-faint);
  font-size: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.empty-shortcuts kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  margin-right: 3px;
}
.browser-warning {
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(240, 184, 110, 0.12);
  border: 1px solid rgba(240, 184, 110, 0.3);
  border-radius: var(--radius);
  color: var(--warn);
  font-size: 12px;
}

.drag-over::after {
  content: "Drop HTML file to open";
  position: fixed; inset: 0;
  display: grid; place-items: center;
  background: rgba(108, 140, 255, 0.15);
  border: 3px dashed var(--accent);
  color: var(--text);
  font-size: 24px;
  font-weight: 600;
  z-index: 9999;
  pointer-events: none;
}

/* ---------- Editor layout ---------- */
.editor {
  display: grid;
  grid-template-rows: var(--toolbar-h) 1fr var(--statusbar-h);
  height: 100vh;
}

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  gap: 12px;
  user-select: none;
}
.toolbar-left, .toolbar-center, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px 0 0;
  border-right: 1px solid var(--border);
  margin-right: 8px;
  height: 28px;
  text-decoration: none;
  color: inherit;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  font-size: 13px;
  border-radius: 5px;
}
.brand-text {
  font-weight: 200;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.brand-text .brand-sep { color: var(--text-faint); margin: 0 4px; }
.brand:hover .brand-text { color: var(--text); }
.file-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.file-name {
  font-size: 12px;
  font-weight: 500;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.save-status {
  font-size: 10px;
  color: var(--text-faint);
}
.save-status[data-state="dirty"] { color: var(--warn); }
.save-status[data-state="saving"] { color: var(--accent); }
.save-status[data-state="saved"] { color: var(--success); }
.save-status[data-state="error"] { color: var(--danger); }

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  transition: background 0.1s, border-color 0.1s;
  white-space: nowrap;
}
.tool-btn:hover { background: var(--bg-3); }
.tool-btn:active { background: var(--bg-hover); }
.tool-btn.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.tool-btn.primary {
  background: var(--accent);
  color: var(--accent-on);
  border-color: var(--accent);
}
.tool-btn.primary:hover { filter: brightness(0.92); }
.tool-btn.icon-only { padding: 6px 8px; }
.tool-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 4px;
}
.device-toggle { display: flex; gap: 2px; }
.device-btn { padding: 6px 8px; }

/* ---------- Workspace ---------- */
.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--sidebar-r-w);
  min-height: 0;
  overflow: hidden;
}
.editor.preview-mode .left-sidebar,
.editor.preview-mode .right-sidebar,
.editor.preview-mode .selection-overlay { display: none; }
.editor.preview-mode .workspace { grid-template-columns: 1fr; }
.editor.preview-mode .toolbar { opacity: 0.15; transition: opacity 0.15s; }
.editor.preview-mode .toolbar:hover { opacity: 1; }

.exit-preview-btn {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: var(--accent);
  color: var(--accent-on);
  border: none;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  z-index: 9998;
  transition: transform 0.15s;
}
.exit-preview-btn:hover { transform: translateX(-50%) scale(1.05); }

/* ---------- Sidebars ---------- */
.sidebar {
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.left-sidebar { border-right: 1px solid var(--border); }
.right-sidebar { border-left: 1px solid var(--border); }
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.tab {
  flex: 1;
  padding: 10px 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: color 0.1s, border-color 0.1s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.tab-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  min-height: 0;
}
.tab-panel.active { display: block; }
.tab-panel.active.flex { display: flex; flex-direction: column; }

/* ---------- Blocks panel ---------- */
.search-input {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 12px;
  margin-bottom: 10px;
  outline: none;
}
.search-input:focus { border-color: var(--accent); }
.blocks-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.block-category {
  grid-column: 1 / -1;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 8px 0 2px;
}
.block-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab;
  font-size: 11px;
  color: var(--text-dim);
  transition: all 0.1s;
  text-align: center;
  user-select: none;
}
.block-item:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-3);
  transform: translateY(-1px);
}
.block-item:active { cursor: grabbing; }
.block-item .block-icon { font-size: 20px; line-height: 1; }
.block-item .block-name { font-weight: 500; }
.block-item.dragging { opacity: 0.5; }

/* ---------- DOM tree ---------- */
.dom-tree { font-family: var(--mono); font-size: 11.5px; }
.tree-node { padding: 1px 0; }
.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 4px;
  border-radius: 3px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-dim);
}
.tree-row:hover { background: var(--bg-3); color: var(--text); }
.tree-row.selected { background: var(--accent-soft); color: var(--text); }
.tree-row.drop-before { box-shadow: inset 0 2px 0 var(--accent); }
.tree-row.drop-after { box-shadow: inset 0 -2px 0 var(--accent); }
.tree-row.drop-inside { background: var(--accent-soft); outline: 1px dashed var(--accent); }
.tree-toggle {
  width: 12px;
  height: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-faint);
  font-size: 9px;
  flex-shrink: 0;
}
.tree-tag { color: var(--accent); }
.tree-id { color: var(--warn); }
.tree-class { color: var(--success); }
.tree-children { padding-left: 14px; }

/* ---------- Properties ---------- */
.props { display: flex; flex-direction: column; gap: 16px; }
.props.empty { align-items: center; padding-top: 40px; color: var(--text-faint); font-size: 12px; text-align: center; }
.prop-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.prop-group h4 {
  margin: 0;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.prop-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px;
  align-items: center;
}
.prop-row label {
  font-size: 11px;
  color: var(--text-dim);
}
.prop-row input,
.prop-row select,
.prop-row textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12px;
  outline: none;
  min-width: 0;
  width: 100%;
}
.prop-row input:focus,
.prop-row select:focus,
.prop-row textarea:focus { border-color: var(--accent); }
.prop-row input[type="color"] {
  padding: 2px;
  height: 26px;
  cursor: pointer;
}
.prop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.prop-grid .prop-row { grid-template-columns: 1fr; gap: 3px; }
.prop-grid .prop-row label { font-size: 10px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 7px;
  background: var(--accent-soft);
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--accent);
}
.chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 11px;
  padding: 0;
  opacity: 0.7;
}
.chip button:hover { opacity: 1; }
.chip-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px 8px;
  font-size: 11px;
  outline: none;
  width: 100px;
}

.html-textarea {
  width: 100%;
  min-height: 240px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--text);
  resize: vertical;
  outline: none;
  white-space: pre;
}
.html-textarea:focus { border-color: var(--accent); }

.spacing-box {
  position: relative;
  border: 1px dashed var(--border-strong);
  padding: 26px 22px;
  border-radius: 4px;
  text-align: center;
  color: var(--text-faint);
  font-size: 9px;
  margin: 4px 0;
}
.spacing-box .inner-box {
  border: 1px dashed var(--accent);
  padding: 24px 20px;
  border-radius: 3px;
  color: var(--text-dim);
}
.spacing-box input {
  width: 36px;
  padding: 2px;
  font-size: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  text-align: center;
  color: var(--text);
  outline: none;
}
.spacing-box input:focus { border-color: var(--accent); }
.spacing-box .sb-t, .spacing-box .sb-b, .spacing-box .sb-l, .spacing-box .sb-r {
  position: absolute;
}
.spacing-box .sb-t { top: 4px; left: 50%; transform: translateX(-50%); }
.spacing-box .sb-b { bottom: 4px; left: 50%; transform: translateX(-50%); }
.spacing-box .sb-l { left: 4px; top: 50%; transform: translateY(-50%); }
.spacing-box .sb-r { right: 4px; top: 50%; transform: translateY(-50%); }
.spacing-box .sb-label { position: absolute; top: 2px; left: 6px; font-size: 9px; }

.btn-block {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.1s;
}
.btn-block:hover { background: var(--bg-3); }
.btn-block:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-row { display: flex; gap: 6px; }
.btn-row .btn-block { flex: 1; }

.assets-section { margin-bottom: 18px; }
.assets-section h3 {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.assets-section .hint { font-size: 11px; color: var(--text-faint); margin: 0 0 8px; }
.snippets-list, .recent-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}
.recent-item, .snippet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: 6px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.recent-item:hover, .snippet-item:hover { background: var(--bg-3); }
.recent-item button, .snippet-item button {
  background: none; border: none; color: var(--text-faint); cursor: pointer; font-size: 11px;
  padding: 0 4px;
}
.recent-item button:hover, .snippet-item button:hover { color: var(--danger); }
.empty-list { color: var(--text-faint); font-size: 11px; font-style: italic; padding: 6px 0; }

/* ---------- Canvas ---------- */
.canvas-wrap {
  position: relative;
  background:
    linear-gradient(45deg, var(--bg-2) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg-2) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg-2) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg-2) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: var(--bg);
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow: auto;
  padding: 0;
}
.canvas-frame {
  position: relative;
  background: white;
  overflow: hidden;
  width: 100%;
  height: 100%;
  transition: width 0.2s, max-width 0.2s;
  box-shadow: 0 0 0 1px var(--border);
}
.canvas-frame[data-device="tablet"] {
  max-width: 820px;
  margin: 20px auto;
  height: calc(100% - 40px);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.canvas-frame[data-device="mobile"] {
  max-width: 400px;
  margin: 20px auto;
  height: calc(100% - 40px);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
#canvas {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: white;
}

/* ---------- Selection overlay (inside canvas-frame, positioned absolutely above iframe) ---------- */
.selection-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}
.sel-box {
  position: absolute;
  outline: 2px solid var(--accent);
  background: var(--accent-soft);
  pointer-events: none;
  transition: outline-color 0.1s;
}
.sel-label {
  position: absolute;
  background: var(--accent);
  color: var(--accent-on);
  padding: 2px 6px;
  font-size: 10px;
  font-family: var(--mono);
  border-radius: 0 0 4px 4px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 11;
}
.sel-toolbar {
  position: absolute;
  display: flex;
  gap: 2px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px;
  pointer-events: auto;
  box-shadow: var(--shadow);
  z-index: 12;
}
.sel-toolbar button {
  width: 26px;
  height: 26px;
  background: transparent;
  border: none;
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.sel-toolbar button:hover { background: var(--bg-3); }
.hover-box {
  position: absolute;
  outline: 1px dashed var(--accent);
  pointer-events: none;
  z-index: 9;
}
.drop-indicator {
  position: absolute;
  background: var(--accent);
  height: 2px;
  z-index: 13;
  pointer-events: none;
  box-shadow: 0 0 8px var(--accent);
}
.drop-indicator.vertical { width: 2px; height: auto; }
.drop-indicator.inside {
  height: auto;
  background: transparent;
  outline: 2px dashed var(--accent);
  background: var(--accent-soft);
}

/* ---------- Status bar ---------- */
.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}
.breadcrumbs {
  font-family: var(--mono);
  display: flex;
  align-items: center;
  gap: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.breadcrumbs .crumb {
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 3px;
}
.breadcrumbs .crumb:hover { background: var(--bg-3); color: var(--text); }
.breadcrumbs .crumb.active { color: var(--accent); }
.breadcrumbs .sep { color: var(--text-faint); }
.status-right { display: flex; align-items: center; gap: 12px; }
.autosave { color: var(--text-faint); }

/* ---------- Toasts ---------- */
.toasts {
  position: fixed;
  bottom: 36px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 9999;
  pointer-events: none;
}
.toast {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text);
  box-shadow: var(--shadow);
  animation: toast-in 0.2s ease-out;
  pointer-events: auto;
  max-width: 320px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: 5px;
  border: 2px solid var(--bg-2);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }