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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-2: #242836;
  --border: #2e3344;
  --text: #e8eaef;
  --text-muted: #8b92a8;
  --accent: #5b8def;
  --accent-hover: #4a7de0;
  --danger: #e05c5c;
  --radius: 8px;
  --toolbar-h: 56px;
  --sidebar-w: 280px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--toolbar-h);
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: 8px;
  flex-shrink: 0;
}

.brand-mark {
  color: var(--accent);
  font-size: 18px;
}

.guest-banner {
  padding: 5px 12px;
  background: rgba(76, 175, 80, 0.12);
  border: 1px solid rgba(76, 175, 80, 0.35);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: #7dcea0;
  white-space: nowrap;
}

.guest-banner.hidden {
  display: none;
}

[data-theme="light"] .guest-banner {
  background: rgba(46, 125, 50, 0.1);
  border-color: rgba(46, 125, 50, 0.3);
  color: #2e7d32;
}

.toolbar-brand h1 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.toolbar-group label {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}

#device-select {
  min-width: 200px;
  padding: 6px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.btn-orientation {
  padding: 6px 12px;
  font-size: 12px;
  white-space: nowrap;
}

.orientation-controls.hidden {
  display: none;
}

.zoom-controls button {
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 16px;
  line-height: 1;
}

.zoom-input {
  width: 52px;
  height: 28px;
  padding: 0 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.zoom-input:hover {
  background: var(--border);
  color: var(--text);
}

.zoom-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.toolbar-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

button {
  padding: 6px 14px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-generate {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(180deg, #6b9bff 0%, var(--accent) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 18px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.15) inset, 0 2px 12px rgba(91, 141, 239, 0.4);
}

.btn-generate-icon {
  font-size: 15px;
  line-height: 1;
}

.btn-generate:hover {
  background: linear-gradient(180deg, #7aa8ff 0%, var(--accent-hover) 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.15) inset, 0 4px 16px rgba(91, 141, 239, 0.5);
}

.toolbar-cluster {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 4px 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-shrink: 0;
}

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

.toolbar-cluster-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 6px 0 2px;
  margin-right: 2px;
  border-right: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

.toolbar-cluster-generate {
  background: rgba(91, 141, 239, 0.1);
  border-color: rgba(91, 141, 239, 0.4);
}

.toolbar-cluster-generate .toolbar-cluster-label {
  color: var(--accent);
  border-right-color: rgba(91, 141, 239, 0.28);
}

.toolbar-cluster-account .auth-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-undo-redo {
  display: flex;
  align-items: center;
  gap: 2px;
}

.btn-icon:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-icon:disabled:hover {
  background: transparent;
  color: var(--text-muted);
}

.toolbar-project {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

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

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

a.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}

.btn-secondary:hover,
a.btn-secondary:hover {
  background: var(--border);
  color: var(--text);
}

.btn-danger {
  width: 100%;
  margin-top: 12px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: rgba(224, 92, 92, 0.12);
}

/* Workspace layout */
.workspace {
  display: flex;
  flex: 1;
  min-height: 0;
}

.palette,
.inspector {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px;
}

.palette {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.inspector {
  border-right: none;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.inspector-account {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: #12141c;
}

.inspector-account-panel {
  padding: 12px 16px 14px;
}

.inspector-account-panel.hidden {
  display: none;
}

.auth-btns-stack {
  flex-direction: column;
  align-items: stretch;
}

.auth-btns-stack .btn-secondary {
  width: 100%;
  justify-content: center;
}

.auth-user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.btn-compact {
  padding: 5px 10px;
  font-size: 12px;
  flex-shrink: 0;
}

.inspector-account .user-email {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  max-width: none;
  flex: 1;
  min-width: 0;
}

.inspector-pages {
  flex-shrink: 0;
  max-height: 45%;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  background: #161922;
}

.requirements-workspace {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px 48px;
    background: var(--bg);
  }

.requirements-page-header {
  max-width: 720px;
  margin: 0 auto 24px;
}

.requirements-page-header h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.requirements-form-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0;
  overflow: visible;
}

.requirements-section {
  margin-bottom: 32px;
}

.requirements-section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.requirements-section-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: -6px 0 12px;
}

.requirements-form {
  font-size: 13px;
}

.requirements-intro {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.requirements-form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 14px 0 6px;
}

.requirements-form label:first-of-type {
  margin-top: 0;
}

.requirements-form input[type="text"],
.requirements-form textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  line-height: 1.45;
  resize: vertical;
}

.requirements-form input[type="text"]:focus,
.requirements-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.requirements-pages {
  margin-top: 4px;
}

.requirements-page-block {
  margin-top: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.requirements-page-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.studio-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  background: #12141c;
  flex-shrink: 0;
}

.studio-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.studio-header-row .studio-label {
  margin-bottom: 0;
}

.project-actions {
  position: relative;
  flex-shrink: 0;
}

.project-actions-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
}

.project-actions-toggle:hover {
  color: var(--text);
  border-color: var(--accent);
}

.project-actions-toggle[aria-expanded="true"] {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(91, 141, 239, 0.1);
}

.project-actions-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: 50;
  min-width: 148px;
  padding: 4px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.project-actions-menu.hidden {
  display: none;
}

.project-actions-item {
  display: block;
  width: 100%;
  padding: 8px 14px;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
}

.project-actions-item:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--accent);
}

.project-actions-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.studio-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.studio-project-name {
  width: 100%;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.studio-project-name:focus {
  outline: none;
  border-color: var(--accent);
}

.studio-project-name:disabled {
  opacity: 0.85;
  cursor: default;
  color: var(--text);
}

.project-summary {
  margin: 6px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-muted);
}

.studio-header .save-status {
  display: block;
  margin-top: 6px;
}

.inspector-selection {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.inspector-generate-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--border);
  background: #161922;
}

.btn-generate-inspector {
  width: 100%;
  justify-content: center;
  font-size: 12px;
  padding: 8px 12px;
}

.btn-generate-inspector .btn-generate-icon {
  font-size: 13px;
}

.inspector-selection .inspector-properties {
  padding: 0 12px 12px;
}

.inspector-selection .inspector-empty {
  padding: 12px 16px 16px;
  margin-bottom: 0;
  align-items: flex-start;
  text-align: left;
}

.inspector-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 6px;
  flex-shrink: 0;
}

.inspector-section-header h2 {
  margin-bottom: 0;
}

.inspector-icon-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.inspector-icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Windows-style folder tree */
.page-tree {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 12px;
  font-size: 12px;
  user-select: none;
}

.tree-children {
  margin-left: 16px;
  border-left: 1px dotted var(--border);
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 26px;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  color: var(--text);
}

.tree-row:hover {
  background: rgba(91, 141, 239, 0.12);
}

.tree-row.active {
  background: rgba(91, 141, 239, 0.22);
  outline: 1px solid rgba(91, 141, 239, 0.35);
}

.tree-chevron {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: var(--text-muted);
}

.tree-chevron.empty {
  visibility: hidden;
}

.tree-chevron::before {
  content: "▶";
  display: block;
  transition: transform 0.12s;
}

.tree-row.expanded > .tree-chevron::before {
  transform: rotate(90deg);
}

.tree-icon {
  width: 16px;
  height: 14px;
  flex-shrink: 0;
  position: relative;
}

.tree-icon.folder {
  background: linear-gradient(180deg, #ffe082 0%, #ffb300 100%);
  border-radius: 2px 2px 3px 3px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tree-icon.folder::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 1px;
  width: 8px;
  height: 4px;
  background: #ffd54f;
  border-radius: 2px 2px 0 0;
}

.tree-icon.folder-root {
  background: linear-gradient(180deg, #90caf9 0%, #42a5f5 100%);
}

.tree-icon.folder-root::before {
  background: #64b5f6;
}

.tree-icon.file {
  background: #fff;
  border: 1px solid #c5cad6;
  border-radius: 1px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.tree-icon.file::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 4px 4px 0;
  border-style: solid;
  border-color: #e8eaef #c5cad6 #c5cad6 #e8eaef;
}

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

.tree-meta {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.tree-layer {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.tree-layer-header {
  padding: 6px 6px 2px 28px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.tree-file-layered {
  padding-left: 2px;
}

.tree-link-badge {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--accent);
  font-weight: 600;
}

.tree-empty {
  padding: 4px 6px 4px 36px;
  color: var(--text-muted);
  font-size: 11px;
  font-style: italic;
}

.inspector-selection h2 {
  margin-bottom: 0;
}

.palette h2,
.inspector h2 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0;
}

.palette-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

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

.palette-toggle-btn {
  padding: 0;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
}

.palette-toggle-btn:hover {
  text-decoration: underline;
}

.palette-toggle-sep {
  color: var(--text-muted);
  font-size: 10px;
}

.palette-hint,
.inspector-empty {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.45;
}

.palette-windows-ui {
  margin: 0 0 12px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.palette-windows-ui.hidden {
  display: none;
}

.palette-windows-ui label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.palette-windows-ui select {
  width: 100%;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.palette-windows-ui-hint {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-muted);
}

.inspector-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 12px;
  gap: 10px;
}

.inspector-empty.hidden {
  display: none !important;
}

.inspector-properties {
  display: block;
}

.inspector-properties.hidden {
  display: none !important;
}

.inspector-selection:not(.has-selection) .inspector-properties {
  display: none !important;
}

.inspector-selection.has-selection .inspector-empty {
  display: none !important;
}

.inspector-empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  font-size: 20px;
  color: var(--text-muted);
  opacity: 0.7;
}

.inspector-empty p {
  margin: 0;
  max-width: 200px;
}

.inspector-empty-lead {
  font-weight: 600;
  color: var(--text);
}

.inspector-empty-sub {
  margin: 0;
  max-width: 220px;
  font-size: 11px;
  color: var(--text-muted);
}

.inspector-empty-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  width: 100%;
  max-width: 220px;
}

.inspector-empty-steps li {
  position: relative;
  padding: 4px 0 4px 18px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-muted);
}

.inspector-empty-steps li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 10px;
}

.palette-hint code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--accent);
}

.palette-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.palette-footer {
  flex-shrink: 0;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.palette-comments-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
}

.palette-comments-link:hover {
  color: var(--accent);
}

.palette-stats-link.hidden,
.palette-stats-link[hidden] {
  display: none !important;
}

.palette-group {
  margin-bottom: 2px;
}

.palette-category {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  margin-top: 8px;
  margin-bottom: 4px;
  padding: 6px 4px;
  background: none;
  border: none;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
  position: relative;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
}

.palette-group:first-child .palette-category {
  margin-top: 0;
}

.palette-category:hover {
  background: var(--surface-2);
  color: var(--text);
}

.palette-category-chevron {
  display: inline-block;
  width: 10px;
  font-size: 8px;
  transition: transform 0.15s;
  flex-shrink: 0;
}

.palette-group.collapsed .palette-category-chevron {
  transform: rotate(-90deg);
}

.palette-category-name {
  flex: 1;
}

.palette-category-count {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(91, 141, 239, 0.14);
  border: 1px solid rgba(91, 141, 239, 0.28);
  padding: 1px 7px;
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
  min-width: 1.4em;
  text-align: center;
}

.palette-group-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
  transition: opacity 0.15s;
}

.palette-group.collapsed .palette-group-items {
  display: none;
}

.palette-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: none;
  transition: border-color 0.15s, transform 0.1s;
}

.palette-drag-ghost {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  transform: translate(-50%, -50%);
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
}

body.palette-dragging {
  cursor: grabbing;
  user-select: none;
}

body.palette-dragging .palette-item {
  cursor: grabbing;
}

.palette-item-armed {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  background: rgba(91, 141, 239, 0.12);
}

.palette-item:hover {
  border-color: var(--accent);
}

.palette-item:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.palette-item-icon {
  width: 28px;
  height: 20px;
  background: var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  position: relative;
}

.palette-item-label {
  font-size: 13px;
}

/* Canvas area */
.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  background: #12141c;
  background-image:
    radial-gradient(circle at 1px 1px, #2a2d3a 1px, transparent 0);
  background-size: 20px 20px;
}

.device-info {
  padding: 10px 16px 4px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  flex-shrink: 0;
}

.adapt-preview-badge {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(91, 141, 239, 0.2);
  color: #5b8def;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

.adapt-preview-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  max-width: min(640px, calc(100vw - 32px));
  padding: 10px 18px;
  background: #1a2332;
  border: 1px solid rgba(91, 141, 239, 0.45);
  color: #c8d4e8;
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 100;
  pointer-events: none;
}

.adapt-preview-banner.hidden {
  display: none;
}

body.adapt-preview-mode .panel-canvas.adapt-readonly {
  cursor: default;
}

body.adapt-preview-mode .panel-canvas.adapt-readonly .panel-object {
  cursor: default;
}

body.adapt-preview-mode .panel-canvas.adapt-readonly .panel-object .resize-handle {
  display: none !important;
}

.safe-area-status {
  padding: 0 16px 8px;
  font-size: 11px;
  text-align: center;
  flex-shrink: 0;
  color: #ffb020;
}

.safe-area-status.hidden {
  display: none;
}

.safe-area-status.ok {
  color: #4caf50;
}

.safe-area-status.warn {
  color: #ffb020;
}

/* Safe area overlay on canvas — must not block drag/drop (pointer-events is not inherited) */
.safe-area-overlay,
.safe-area-overlay * {
  pointer-events: none;
}

.safe-area-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.safe-zone {
  position: absolute;
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 59, 48, 0.08),
    rgba(255, 59, 48, 0.08) 4px,
    rgba(255, 59, 48, 0.14) 4px,
    rgba(255, 59, 48, 0.14) 8px
  );
}

.safe-zone-top { top: 0; left: 0; right: 0; }
.safe-zone-bottom { bottom: 0; left: 0; right: 0; }
.safe-zone-left { top: 0; bottom: 0; left: 0; }
.safe-zone-right { top: 0; bottom: 0; right: 0; }

.safe-zone-boundary {
  position: absolute;
  border: 1px dashed rgba(91, 141, 239, 0.55);
  box-shadow: inset 0 0 0 1px rgba(91, 141, 239, 0.12);
}

.safe-zone-content {
  position: absolute;
  background: rgba(91, 141, 239, 0.05);
  border-radius: 2px;
  pointer-events: none;
}

.safe-zone-label {
  position: absolute;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 59, 48, 0.75);
  white-space: nowrap;
  pointer-events: none;
}

.align-guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 50000;
  opacity: 0;
  transition: opacity 0.08s;
}

.align-guides.visible {
  opacity: 1;
}

.align-guide-line {
  position: absolute;
  pointer-events: none;
}

.align-guide-v {
  width: 1px;
  background: rgba(255, 120, 180, 0.95);
  box-shadow: 0 0 0 1px rgba(255, 120, 180, 0.35);
}

.align-guide-h {
  height: 1px;
  background: rgba(91, 220, 255, 0.95);
  box-shadow: 0 0 0 1px rgba(91, 220, 255, 0.35);
}

.tree-type-glyph {
  flex-shrink: 0;
  width: 16px;
  text-align: center;
  font-size: 11px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.9;
}

.panel-object.safe-violation:not(.selected) {
  outline: 2px solid rgba(255, 59, 48, 0.65);
  outline-offset: 0;
}

.panel-object.safe-violation.selected {
  outline-color: #ff3b30;
}

.inspector-safe-warning {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid rgba(255, 176, 32, 0.35);
  border-radius: var(--radius);
  font-size: 11px;
  line-height: 1.45;
  color: #ffb020;
}

.inspector-safe-warning.hidden {
  display: none;
}

.inspector-safe-warning strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
}

.page-tabs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 10px;
  max-width: 100%;
  flex-shrink: 0;
}

.page-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
}

.page-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.page-tab:hover {
  border-color: var(--accent);
  color: var(--text);
}

.page-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.page-tab-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-tab-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 50%;
  color: inherit;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
}

.page-tab-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.15);
}

.page-tab.active .page-tab-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.page-tab-add {
  width: 32px;
  height: 32px;
  padding: 0;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.page-tab-add:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.preview-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 100;
  pointer-events: none;
}

.preview-banner.hidden {
  display: none;
}

body.preview-mode .panel-object {
  cursor: pointer;
}

body.preview-mode .panel-object.has-link:hover {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

body.preview-mode .resize-handle {
  display: none !important;
}

body.preview-mode .panel-object.selected {
  outline: none;
}

body.preview-mode .panel-canvas {
  cursor: default;
}

.inspector-field {
  margin-top: 8px;
}

.inspector-field label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.inspector-field select {
  width: 100%;
  padding: 5px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
}

.inspector-field select:focus {
  outline: none;
  border-color: var(--accent);
}

.inspector-hint {
  margin-top: 4px;
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.35;
}

.inspector-field.hidden {
  display: none;
}

.panel-object.has-link::after {
  content: "↗";
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  z-index: 12;
  pointer-events: none;
}

.canvas-viewport {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
}

.lasso-rect {
  position: absolute;
  border: 1px solid var(--accent);
  background: rgba(91, 141, 239, 0.14);
  pointer-events: none;
  z-index: 9999;
}

.lasso-rect.hidden {
  display: none;
}

.device-frame {
  position: relative;
  flex-shrink: 0;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 24px 48px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  transition: width 0.2s, height 0.2s;
}

.device-frame.mobile {
  border-radius: 36px;
  padding: 12px;
  background: #1c1c1e;
}

.device-frame.mobile:not(.dynamic-island)::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: #1c1c1e;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}

/* Dynamic Island phones — no separate bezel notch; island sits on screen only */
.device-frame.mobile.dynamic-island::before {
  display: none;
}

/* Modern iPhone Pro — tighter titanium-style bezel */
.device-frame.mobile.pro {
  border-radius: 44px;
  padding: 11px;
  background: linear-gradient(160deg, #3a3a3e 0%, #1c1c1e 40%, #0f0f10 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 28px 56px rgba(0, 0, 0, 0.55);
}

.device-frame.mobile.pro .panel-canvas {
  border-radius: 34px;
}

/* iPhone Pro Max — larger display, thinner side bezels */
.device-frame.mobile.pro-max {
  border-radius: 52px;
  padding: 9px;
  background: linear-gradient(160deg, #404044 0%, #222226 35%, #101012 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 32px 64px rgba(0, 0, 0, 0.6);
}

.device-frame.mobile.pro-max .panel-canvas {
  border-radius: 44px;
}

.toolbar-group select#device-select {
  min-width: 168px;
  max-width: 220px;
}

.device-frame.tablet {
  border-radius: 18px;
  padding: 10px;
  background: #1c1c1e;
}

.device-frame.mobile.landscape,
.device-frame.tablet.landscape {
  padding: 9px 14px;
}

.device-frame.mobile.landscape.pro {
  padding: 8px 13px;
}

.device-frame.mobile.landscape.pro-max {
  padding: 7px 12px;
}

.device-frame.mobile.landscape:not(.dynamic-island)::before {
  display: none;
}

.panel-canvas {
  position: relative;
  background: #ffffff;
  overflow: hidden;
  border-radius: inherit;
  z-index: 0;
}

.device-frame.mobile .panel-canvas,
.device-frame.tablet .panel-canvas {
  border-radius: 24px;
}

.device-frame.desktop .panel-canvas {
  border-radius: 4px;
}

/* WinForms — Visual Studio 2022 Form1 designer */
.device-frame.desktop.winforms-form {
  display: flex;
  flex-direction: column;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid #454545;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.25),
    0 12px 40px rgba(0, 0, 0, 0.45);
  background: #f0f0f0;
}

.device-frame.desktop.winforms-form::before {
  content: attr(data-form-title);
  display: block;
  height: 32px;
  padding: 0 12px;
  font: 600 12px/32px "Segoe UI", Tahoma, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  border-bottom: 1px solid #e0e0e0;
  flex-shrink: 0;
}

.device-frame.desktop.winforms-mode .panel-canvas {
  background: #f0f0f0;
}

.device-frame.desktop.winforms-form .panel-canvas {
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.device-frame.desktop.winforms-mode .canvas-empty {
  color: #6c757d;
  font-size: 13px;
}

/* ── Website / browser frame ── */
.device-frame.browser {
  border-radius: 8px;
  padding: 0;
  background: #dee1e6;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.12),
    0 20px 40px rgba(0, 0, 0, 0.35);
}

.device-frame.browser .panel-canvas {
  border-radius: 0 0 8px 8px;
}

.device-frame.browser.browser-mobile {
  border-radius: 24px;
  padding: 8px;
  background: #1a1a1a;
  max-width: calc(100% - 24px);
}

.device-frame.browser.browser-mobile .panel-canvas {
  border-radius: 18px;
}

.canvas-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 14px;
  pointer-events: none;
  text-align: center;
  padding: 24px;
  z-index: 3;
}

.canvas-empty.hidden {
  display: none;
}

.panel-canvas.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}

.panel-object.is-inline-editing {
  cursor: text;
}

.panel-object.is-inline-editing .obj-inner.inline-edit-active {
  pointer-events: auto;
}

.inline-label-editing {
  pointer-events: auto;
  cursor: text;
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  min-width: 1ch;
  user-select: text;
  -webkit-user-select: text;
}

.panel-object[data-type="secure-field"] .secure-dots.secure-edit-text,
.panel-object[data-type="secure-field"] .secure-dots.inline-label-editing {
  letter-spacing: normal;
  font-size: 14px;
}

/* Placed objects on canvas */
.panel-object {
  position: absolute;
  cursor: move;
  touch-action: none;
  z-index: 5;
}

.panel-object.selected {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 1px solid #fff;
  border-radius: 2px;
  z-index: 11;
}

.resize-handle.nw { top: -5px; left: -5px; cursor: nwse-resize; }
.resize-handle.ne { top: -5px; right: -5px; cursor: nesw-resize; }
.resize-handle.sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.resize-handle.se { bottom: -5px; right: -5px; cursor: nwse-resize; }

/* Inspector — compact properties panel */
.inspector-form label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.inspector-form input[type="text"],
.inspector-form input[type="number"] {
  width: 100%;
  padding: 5px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
}

.inspector-form input[type="text"]:focus,
.inspector-form input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

.inspector-form .inspector-field {
  margin-top: 8px;
}

.inspector-form button {
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 6px;
}

.zindex-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.zindex-btn {
  width: 26px;
  height: 26px;
  padding: 0;
  flex-shrink: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 10px;
  cursor: pointer;
}

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

#obj-zindex {
  flex: 1;
  min-width: 0;
  padding: 4px 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

#obj-zindex:focus {
  outline: none;
  border-color: var(--accent);
}

.zindex-row {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

.zindex-action {
  flex: 1;
  padding: 4px 6px;
  font-size: 10px;
}

.inspector-meta {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.inspector-form .btn-danger {
  width: 100%;
  margin-top: 8px;
  padding: 5px 8px;
  font-size: 11px;
}

/* Context menu */
.context-menu {
  position: fixed;
  z-index: 1000;
  min-width: 180px;
  padding: 4px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.context-menu.hidden {
  display: none;
}

.context-menu-item {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  text-align: left;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.context-menu-item:hover:not(:disabled) {
  background: rgba(91, 141, 239, 0.15);
  color: var(--accent);
}

.context-menu-item:disabled {
  opacity: 0.4;
  cursor: default;
}

.context-menu-item.danger {
  color: var(--danger);
}

.context-menu-item.danger:hover:not(:disabled) {
  background: rgba(224, 92, 92, 0.12);
}

.context-menu-sep {
  height: 1px;
  margin: 4px 0;
  background: var(--border);
}

/* Import layout modal */
.import-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.import-modal.hidden {
  display: none;
}

.import-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.import-modal-panel {
  position: relative;
  width: min(720px, 100%);
  max-height: min(85vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.import-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 8px;
}

.import-modal-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
}

.import-modal-close {
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
}

.import-modal-close:hover {
  background: var(--surface-2);
  color: var(--text);
}

.import-modal-hint {
  padding: 0 20px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.import-modal-hint code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--accent);
}

.import-text {
  flex: 1;
  min-height: 280px;
  margin: 0 20px;
  padding: 12px 14px;
  background: #0d0f14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: #c8cdd8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
}

.import-text:focus {
  outline: none;
  border-color: var(--accent);
}

.import-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
}

.import-modal-result {
  margin: 0 20px 16px;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.45;
}

.import-modal-result.ok {
  background: rgba(76, 175, 80, 0.12);
  border: 1px solid rgba(76, 175, 80, 0.35);
  color: #4caf50;
}

.import-modal-result.warn {
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid rgba(255, 176, 32, 0.35);
  color: #ffb020;
}

.import-modal-result.error {
  background: rgba(224, 92, 92, 0.12);
  border: 1px solid rgba(224, 92, 92, 0.35);
  color: var(--danger);
}

.import-modal-result.hidden {
  display: none;
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg: #eef0f4;
  --surface: #ffffff;
  --surface-2: #f5f6f8;
  --border: #d8dce6;
  --text: #1a1d27;
  --text-muted: #5c6370;
}

[data-theme="light"] .canvas-area {
  background: #dde1e9;
  background-image: radial-gradient(circle at 1px 1px, #c8cdd8 1px, transparent 0);
}

[data-theme="light"] .import-text {
  background: #f5f6f8;
  color: #1a1d27;
}

[data-theme="light"] .inspector-account {
  background: #f4f5f8;
}

[data-theme="light"] .inspector-pages {
  background: #f0f2f6;
}

[data-theme="light"] .studio-header {
  background: #e8ebf0;
}

[data-theme="light"] .requirements-page-block {
  background: #fff;
}

/* ── Auth & projects toolbar ── */
.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.brand-link:hover .brand-mark {
  color: var(--accent-hover);
}

.project-group {
  flex-direction: column;
  align-items: flex-start !important;
  gap: 2px !important;
  min-width: 140px;
}

.project-name-input {
  width: 160px;
  padding: 4px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.project-name-input:focus {
  outline: none;
  border-color: var(--accent);
}

.save-status {
  font-size: 10px;
  color: var(--text-muted);
}

.save-status.ok { color: #4caf50; }
.save-status.warn { color: #ffb020; }
.save-status.error { color: var(--danger); }
.save-status.local { color: var(--text-muted); }
.save-status.saving { color: var(--accent); }

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

.auth-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

.auth-btns.hidden {
  display: none;
}

.user-email {
  font-size: 11px;
  color: var(--text-muted);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}

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

.cloud-notice {
  padding: 8px 16px;
  font-size: 12px;
  text-align: center;
  background: rgba(255, 176, 32, 0.1);
  color: #ffb020;
  border-bottom: 1px solid rgba(255, 176, 32, 0.2);
}

.cloud-notice.hidden {
  display: none;
}

.cloud-notice code {
  background: var(--surface-2);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 11px;
}

.auth-panel form {
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-panel label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.auth-panel input[type="email"],
.auth-panel input[type="password"] {
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.auth-submit {
  width: 100%;
  margin-top: 8px;
  padding: 12px;
}

.auth-message {
  font-size: 12px;
  padding: 8px;
  border-radius: 6px;
}

.auth-message.error {
  background: rgba(224, 92, 92, 0.12);
  color: var(--danger);
}

.auth-message.ok {
  background: rgba(76, 175, 80, 0.12);
  color: #4caf50;
}

.auth-message.hidden {
  display: none;
}

.auth-switch-wrap {
  padding: 0 20px 20px;
  text-align: center;
  font-size: 13px;
}

.auth-switch-wrap a {
  color: var(--accent);
}

.projects-actions {
  padding: 0 20px 12px;
}

.projects-list {
  padding: 0 12px 16px;
  max-height: 360px;
  overflow-y: auto;
}

.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.project-row:hover {
  border-color: var(--accent);
}

.project-row-name {
  display: block;
  font-weight: 500;
  font-size: 14px;
}

.project-row-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.project-row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-delete {
  width: 28px;
  height: 28px;
  padding: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.project-delete:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.projects-empty,
.projects-loading,
.projects-error {
  padding: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.projects-error {
  color: var(--danger);
}

.revision-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 1px 6px;
  border-radius: 999px;
  vertical-align: middle;
}

.revision-manual {
  background: rgba(91, 141, 239, 0.18);
  color: var(--accent);
}

.revision-auto {
  background: rgba(139, 146, 168, 0.18);
  color: var(--text-muted);
}

.revision-latest {
  background: rgba(76, 175, 80, 0.16);
  color: #7dcea0;
}

.revision-row .project-row-name {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .toolbar {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
    gap: 8px;
  }
  .toolbar-actions {
    flex-wrap: wrap;
  }
}

/* Tablet — narrower sidebars */
@media (max-width: 1100px) and (min-width: 901px) {
  :root {
    --sidebar-w: 248px;
  }

  #device-select {
    min-width: 160px;
  }

  .toolbar-cluster-label {
    display: none;
  }

  .palette-hint {
    display: none;
  }
}

/* Phone & tablet portrait — tabbed workspace */
.mobile-nav {
  display: none;
}

@media (max-width: 900px) {
  :root {
    --toolbar-h: auto;
  }

  html,
  body {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
  }

  .app {
    height: 100dvh;
  }

  .toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 10px;
    padding: 8px 12px;
    padding-top: max(8px, env(safe-area-inset-top));
    scrollbar-width: none;
  }

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

  .toolbar-brand {
    margin-right: 0;
  }

  .toolbar-brand h1 {
    font-size: 14px;
  }

  .guest-banner {
    display: none;
  }

  .toolbar-group label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  #device-select {
    min-width: 128px;
    max-width: 150px;
  }

  .toolbar-cluster-label {
    display: none;
  }

  .toolbar-cluster {
    padding: 3px 6px;
    gap: 4px;
    flex-shrink: 0;
  }

  .toolbar-cluster#toolbar-design {
    display: none;
  }

  .btn-generate {
    padding: 8px 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  .workspace {
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
  }

  .palette,
  .inspector,
  .canvas-area {
    position: absolute;
    inset: 0;
    width: 100% !important;
    max-width: none;
    border: none;
    min-height: 0;
  }

  .inspector {
    border-left: none;
  }

  .palette,
  .inspector {
    display: flex;
    flex-direction: column;
  }

  .workspace:not(.mobile-show-palette) .palette,
  .workspace:not(.mobile-show-inspector) .inspector,
  .workspace:not(.mobile-show-canvas) .canvas-area {
    visibility: hidden;
    pointer-events: none;
    opacity: 0;
    z-index: 0;
  }

  .workspace.mobile-show-palette .palette,
  .workspace.mobile-show-inspector .inspector,
  .workspace.mobile-show-canvas .canvas-area {
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
    z-index: 1;
  }

  .palette-hint {
    display: none;
  }

  .device-info {
    font-size: 10px;
    padding: 6px 10px 2px;
    line-height: 1.35;
  }

  .canvas-viewport {
    padding: 8px;
  }

  .inspector-pages {
    max-height: 48%;
  }

  .mobile-nav {
    display: flex;
    flex-shrink: 0;
    align-items: stretch;
    gap: 6px;
    padding: 6px 10px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: var(--surface);
  }

  .mobile-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 52px;
    padding: 6px 4px;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
  }

  .mobile-nav-btn.active {
    background: rgba(91, 141, 239, 0.14);
    color: var(--accent);
  }

  .mobile-nav-icon {
    font-size: 17px;
    line-height: 1;
  }

  .import-modal-panel,
  .projects-list {
    max-height: calc(100dvh - 48px);
  }

  .import-modal-panel {
    width: min(100%, 100vw - 24px);
    margin: 12px;
  }

  .requirements-workspace {
    padding: 16px 16px 32px;
  }
}

@media (max-width: 900px) and (orientation: landscape) {
  .mobile-nav-btn {
    flex-direction: row;
    min-height: 44px;
    font-size: 12px;
  }
}