/* ── VS Code–inspired theme variables ────────────────────────────── */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f3f3f3;
  --bg-editor: #1e1e2e;
  --text-primary: #333333;
  --text-secondary: #717171;
  --text-editor: #cdd6f4;
  --border-color: #e5e5e5;
  --accent: #007acc;
  --toolbar-bg: #f8f8f8;
  --toolbar-border: #e5e5e5;
  --btn-bg: transparent;
  --btn-hover: rgba(0,0,0,0.06);
  --btn-text: #505050;
  --panel-header-bg: #f3f3f3;
  --tab-active-border: var(--accent);
  --toast-bg: rgba(30,30,30,0.92);
  --toast-text: #fff;
  --divider-color: #e5e5e5;
  --divider-hover: var(--accent);
  --preview-bg: #ffffff;
  --preview-bg-checker: #e8e8e8;
  --error-color: #f14c4c;
  --error-bg: #fff0f0;
  --scrollbar-thumb: rgba(0,0,0,0.15);
  --toggle-bg: #ccc;
  --toggle-active: var(--accent);
  --modal-bg: #ffffff;
  --modal-overlay: rgba(0,0,0,0.4);
  --kbd-bg: #f0f0f0;
  --kbd-border: #d4d4d4;
  --tour-bg: #1e1e1e;
  --tour-text: #fff;
  --tour-arrow: #1e1e1e;
  --statusbar-bg: #007acc;
  --statusbar-text: #fff;
}

[data-theme="dark"] {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252526;
  --bg-editor: #1e1e1e;
  --text-primary: #cccccc;
  --text-secondary: #858585;
  --border-color: #3c3c3c;
  --accent: #0098ff;
  --toolbar-bg: #323233;
  --toolbar-border: #3c3c3c;
  --btn-bg: transparent;
  --btn-hover: rgba(255,255,255,0.08);
  --btn-text: #cccccc;
  --panel-header-bg: #252526;
  --tab-active-border: var(--accent);
  --toast-bg: rgba(0,122,204,0.9);
  --toast-text: #fff;
  --divider-color: #3c3c3c;
  --divider-hover: var(--accent);
  --preview-bg: #1e1e1e;
  --preview-bg-checker: #2d2d2d;
  --error-color: #f48771;
  --error-bg: #332222;
  --scrollbar-thumb: rgba(255,255,255,0.15);
  --toggle-bg: #4a4a4a;
  --toggle-active: var(--accent);
  --modal-bg: #252526;
  --modal-overlay: rgba(0,0,0,0.6);
  --kbd-bg: #333333;
  --kbd-border: #4a4a4a;
  --tour-bg: var(--accent);
  --tour-text: #fff;
  --tour-arrow: var(--accent);
  --statusbar-bg: #007acc;
  --statusbar-text: #fff;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Outfit', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Toolbar (VS Code title bar) ─────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 12px;
  height: 35px;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--toolbar-border);
  flex-shrink: 0;
  gap: 8px;
  overflow: visible;
  position: relative;
  z-index: 100;
  -webkit-app-region: drag;
}

.toolbar__title {
  font-size: 12px;
  font-weight: 400;
  margin: 0;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  -webkit-app-region: drag;
}
.toolbar__title svg { color: var(--accent); flex-shrink: 0; }

.toolbar__spacer { flex: 1; }

/* ── VS Code-style toolbar button ────────────────────────────────── */
.toolbar-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; padding: 0; border: none; background: transparent;
  color: var(--text-secondary); border-radius: 4px; cursor: pointer;
  transition: background 0.1s, color 0.1s; flex-shrink: 0;
  -webkit-app-region: no-drag;
}
.toolbar-btn:hover { background: var(--btn-hover); color: var(--text-primary); }

/* ── Ctrl+K search trigger ───────────────────────────────────────── */
.btn-cmdk {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 3px 10px 3px 8px; height: 24px; font-size: 12px;
  color: var(--text-secondary); background: var(--bg-secondary);
  border: 1px solid var(--border-color); border-radius: 4px;
  cursor: pointer; min-width: 180px; transition: border-color 0.15s;
  -webkit-app-region: no-drag; font-family: inherit;
}
.btn-cmdk:hover { border-color: var(--accent); }
.btn-cmdk__text { flex: 1; text-align: left; font-size: 11px; opacity: 0.7; }
.btn-cmdk kbd {
  font-size: 10px; padding: 0 4px; border-radius: 3px;
  background: transparent; border: 1px solid var(--border-color);
  box-shadow: none; color: var(--text-secondary); line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}
.btn-cmdk svg { flex-shrink: 0; opacity: 0.5; }

/* ── Menu Bar ────────────────────────────────────────────────────── */
.menubar {
  display: flex; align-items: center; gap: 0; height: 100%; margin-left: 4px;
  -webkit-app-region: no-drag;
}

.menubar__item {
  position: relative; height: 100%; display: flex; align-items: center;
}

.menubar__trigger {
  display: flex; align-items: center; height: 100%;
  padding: 0 8px; border: none; background: transparent;
  color: var(--text-secondary); font-size: 12px; cursor: pointer;
  border-radius: 0; transition: background 0.05s, color 0.05s;
  white-space: nowrap; font-family: inherit;
}
.menubar__trigger:hover,
.menubar__item.open .menubar__trigger {
  background: var(--btn-hover); color: var(--text-primary);
}

.menubar__dropdown {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--modal-bg); border: 1px solid var(--border-color);
  border-radius: 0 0 6px 6px; box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  min-width: 220px; z-index: 1000; padding: 4px 0;
  flex-direction: column;
}
.menubar__item.open .menubar__dropdown { display: flex; }

.menubar__dropdown button[data-menu-action] {
  display: flex; align-items: center; gap: 8px;
  width: 100%; border: none; background: transparent;
  padding: 5px 24px 5px 28px; font-size: 12px;
  color: var(--text-primary); cursor: pointer;
  text-align: left; white-space: nowrap; border-radius: 0;
  transition: background 0.05s; position: relative;
  font-family: inherit; line-height: 1.5;
}
.menubar__dropdown button[data-menu-action]:hover {
  background: var(--accent); color: #fff;
}
.menubar__dropdown button[data-menu-action]:hover kbd {
  color: rgba(255,255,255,0.7);
}
.menubar__dropdown button[data-menu-action]:hover svg {
  color: rgba(255,255,255,0.9);
}
.menubar__dropdown button[data-menu-action] > span {
  flex: 1; display: flex; align-items: center; gap: 6px;
}
.menubar__dropdown button[data-menu-action] > span > svg {
  flex-shrink: 0; opacity: 0.6;
}
.menubar__dropdown button[data-menu-action]:hover > span > svg {
  opacity: 1;
}
.menubar__dropdown button[data-menu-action] > kbd {
  font-size: 10px; color: var(--text-secondary); margin-left: auto;
  background: transparent; border: none; box-shadow: none; padding: 0;
}

/* Checkmark for toggle items */
.menubar__dropdown button.has-check::before {
  content: ''; position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px;
}
.menubar__dropdown button.has-check.active::before {
  content: '✓'; font-size: 11px; color: var(--text-primary);
  display: flex; align-items: center; justify-content: center;
}
.menubar__dropdown button.has-check.active:hover::before { color: #fff; }

.menubar__hotkey {
  font-size: 9px; opacity: 0.4; margin-left: 2px;
  text-decoration: underline; text-underline-offset: 1px;
}
.menubar__trigger:hover .menubar__hotkey,
.menubar__item.open .menubar__hotkey { opacity: 0.6; }

.menubar__sep { height: 1px; background: var(--border-color); margin: 4px 0; }

.menubar__label {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.4px; color: var(--text-secondary);
  padding: 4px 28px 2px; pointer-events: none;
}
.menubar__hint {
  font-size: 10px; color: var(--text-secondary); opacity: 0.7;
  padding: 2px 28px 4px; pointer-events: none; font-style: italic;
}

.menubar__row {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 24px 5px 28px; font-size: 12px; color: var(--text-primary);
}
.menubar__row select {
  font-size: 11px; padding: 2px 4px; border-radius: 3px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.menubar__row span { flex: 1; }

.menubar__color-input {
  width: 20px; height: 16px; padding: 0; border: 1px solid var(--border-color);
  border-radius: 3px; cursor: pointer; margin-left: auto; flex-shrink: 0;
  background: transparent;
}

/* ── Settings popover ────────────────────────────────────────────── */
.settings-popover { position: relative; }
.settings-popover__menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  min-width: 200px;
  z-index: 1000;
  padding: 6px;
  flex-direction: column;
  gap: 2px;
}
.settings-popover__menu.open { display: flex; }
.settings-row { display: flex; align-items: center; justify-content: space-between; padding: 4px; gap: 12px; }
.settings-label { font-size: 12px; color: var(--text-primary); white-space: nowrap; }
.settings-sep { height: 1px; background: var(--border-color); margin: 3px 0; }
.settings-action-btn {
  width: 100%; justify-content: flex-start; border: none; background: transparent;
  border-radius: 4px; padding: 6px 4px; font-size: 12px; color: var(--text-primary); gap: 8px;
}
.settings-action-btn:hover { background: var(--btn-hover); }

/* ── Context menu (right-click on preview) ───────────────────────── */
.context-menu {
  position: fixed;
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  padding: 4px;
  z-index: 2000;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.context-menu__item {
  display: flex; align-items: center; gap: 10px; padding: 6px 12px;
  font-size: 12px; color: var(--text-primary); border-radius: 4px;
  cursor: pointer; border: none; background: transparent; width: 100%; text-align: left; white-space: nowrap;
}
.context-menu__item:hover { background: var(--btn-hover); }
.context-menu__item svg { flex-shrink: 0; color: var(--text-secondary); }
.context-menu__sep { height: 1px; background: var(--border-color); margin: 2px 0; }
.context-menu__label {
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-secondary); padding: 4px 12px 2px;
}

.toolbar__sep {
  width: 1px; height: 16px; background: var(--border-color);
  flex-shrink: 0; margin: 0 4px; align-self: center;
}

/* ── Base buttons & selects ──────────────────────────────────────── */
select, button {
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--btn-text);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s, color 0.1s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  line-height: 1;
  font-family: inherit;
}
button:hover { background: var(--btn-hover); }
button:active { opacity: 0.85; }
button.success { border-color: #4caf50; color: #4caf50; }

.btn-group { display: flex; gap: 2px; }
.btn-icon { padding: 4px 6px; background: transparent; border: none; color: var(--text-secondary); }
.btn-icon:hover { background: var(--btn-hover); color: var(--text-primary); }

.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent); padding: 6px 16px; font-size: 12px;
}
.btn-primary:hover { opacity: 0.9; background: var(--accent); }

.btn-tiny {
  padding: 2px 5px; font-size: 11px; border-radius: 3px;
  background: transparent; border-color: transparent; color: var(--text-secondary); border: none;
}
.btn-tiny:hover { background: var(--btn-hover); }

/* ── Toggle switch ───────────────────────────────────────────────── */
.toggle {
  display: flex; align-items: center; gap: 7px; font-size: 12px;
  cursor: pointer; user-select: none; color: var(--btn-text); white-space: nowrap;
}
.toggle input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle__track {
  position: relative; width: 30px; height: 17px; background: var(--toggle-bg);
  border-radius: 9px; transition: background 0.2s; flex-shrink: 0;
}
.toggle__thumb {
  position: absolute; top: 2px; left: 2px; width: 13px; height: 13px;
  background: #fff; border-radius: 50%; transition: transform 0.2s; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle input:checked ~ .toggle__track { background: var(--toggle-active); }
.toggle input:checked ~ .toggle__track .toggle__thumb { transform: translateX(13px); }

/* ── Editor layout ───────────────────────────────────────────────── */
.editor-layout {
  display: flex; flex: 1; overflow: hidden; min-height: 0;
}
.panel { display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
.panel--editor { flex: 1 1 50%; }
.panel--preview { flex: 1 1 50%; }

/* ── Panel tab bar (VS Code editor tabs) ─────────────────────────── */
.panel__tab-bar {
  display: flex;
  align-items: center;
  height: 35px;
  background: var(--panel-header-bg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  padding: 0;
  gap: 0;
  overflow: hidden;
}

.panel__tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 100%;
  font-size: 12px;
  color: var(--text-secondary);
  border-right: 1px solid var(--border-color);
  white-space: nowrap;
  flex-shrink: 0;
  cursor: default;
  position: relative;
}
.panel__tab svg { opacity: 0.6; flex-shrink: 0; }
.panel__tab--active {
  color: var(--text-primary);
  background: var(--bg-primary);
}
.panel__tab--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--bg-primary);
}

.panel__tab-spacer { flex: 1; }

.panel__status {
  font-size: 11px; font-weight: 400; color: var(--text-secondary);
  padding-right: 12px; opacity: 0.7; white-space: nowrap;
}

/* ── Examples strip ──────────────────────────────────────────────── */
/* ── CodeMirror container ────────────────────────────────────────── */
#editor-container { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
#editor-container .cm-editor { flex: 1; height: 100%; }
#editor-container .cm-scroller { overflow: auto; }

/* ── Divider (VS Code split line) ────────────────────────────────── */
#divider {
  width: 1px;
  background: var(--border-color);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.15s;
  position: relative;
}
#divider::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -3px; right: -3px;
  z-index: 1;
}
#divider::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 1px; height: 24px;
  border-radius: 1px;
  background: var(--text-secondary);
  opacity: 0;
  transition: opacity 0.15s;
}
#divider:hover, #divider.divider--active { background: var(--accent); }
#divider:hover::after, #divider.divider--active::after { opacity: 0; }

/* ── Preview ─────────────────────────────────────────────────────── */
.preview-viewport {
  flex: 1; overflow: hidden; position: relative;
  transition: background 0.2s, background-color 0.2s; cursor: grab;
}
.preview-viewport:active { cursor: grabbing; }
.preview-viewport.bg-white { background: #ffffff; }
.preview-viewport.bg-black { background: #1a1a1a; }
.preview-viewport.bg-checker {
  background-image:
    linear-gradient(45deg, var(--preview-bg-checker) 25%, transparent 25%),
    linear-gradient(-45deg, var(--preview-bg-checker) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--preview-bg-checker) 75%),
    linear-gradient(-45deg, transparent 75%, var(--preview-bg-checker) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-color: var(--preview-bg);
}
.preview-viewport.bg-grid {
  background-color: #ffffff;
  background-image:
    linear-gradient(rgba(0,0,0,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.06) 1px, transparent 1px);
  background-size: 20px 20px;
}
[data-theme="dark"] .preview-viewport.bg-grid {
  background-color: #1e1e1e;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
}

.preview-container {
  position: absolute; top: 0; left: 0;
  min-width: 100%; min-height: 100%; padding: 24px;
  display: flex; align-items: center; justify-content: center;
  transform-origin: 0 0; will-change: transform; user-select: none;
}
.preview-container svg { display: block; max-width: none; height: auto; }

/* Force hand-drawn font for Mermaid */
.mermaid-handDrawn, 
.mermaid-handDrawn * {
  font-family: var(--mermaid-font, inherit) !important;
}

.zoom-label {
  font-size: 11px; color: var(--text-secondary);
  min-width: 32px; text-align: center; font-variant-numeric: tabular-nums;
}

.render-status {
  font-size: 11px; font-weight: 400; opacity: 0; transition: opacity 0.2s;
  color: var(--text-secondary); padding-right: 8px; white-space: nowrap;
}
.render-status.visible { opacity: 1; }
.render-status.rendering { color: var(--accent); }
.render-status.error { color: var(--error-color); }
.render-status.ok { color: #4caf50; }

.error-banner { margin: 16px; border-radius: 6px; border: 1px solid var(--error-color); background: var(--error-bg); overflow: hidden; }
.error-banner__header {
  display: flex; align-items: center; gap: 7px; padding: 8px 12px;
  background: var(--error-color); color: #fff; font-size: 12px; font-weight: 600;
}
.error-banner__line { margin-left: 4px; opacity: 0.85; font-weight: 400; font-size: 11px; }
.error-banner__goto {
  background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.3); color: #fff;
  cursor: pointer; border-radius: 3px; padding: 1px 6px; font-size: 11px; transition: background .15s;
}
.error-banner__goto:hover { background: rgba(255,255,255,0.35); }
.error-banner__hint {
  padding: 8px 14px; font-size: 12px; color: var(--text-primary);
  background: rgba(241,76,76,0.06); border-bottom: 1px solid var(--border-color);
}
.error-banner__close {
  margin-left: auto; background: none; border: none; cursor: pointer;
  color: #fff; padding: 2px; display: flex; align-items: center; opacity: 0.8; border-radius: 3px;
}
.error-banner__close:hover { opacity: 1; background: rgba(255,255,255,0.2); }
.error-banner__msg {
  color: var(--error-color); font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px; white-space: pre-wrap; margin: 0; padding: 12px 14px;
  overflow: auto; max-height: 180px; border-bottom: 1px solid var(--border-color);
}
.error-banner__tip { padding: 8px 14px; font-size: 11px; color: var(--text-secondary); }

.placeholder {
  color: var(--text-secondary); font-size: 13px; text-align: center;
  padding: 40px; opacity: 0.5; line-height: 1.8;
}
.placeholder small { font-size: 11px; }

/* ── Toast ───────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(8px);
  padding: 8px 16px; background: var(--toast-bg); color: var(--toast-text);
  border-radius: 6px; font-size: 12px; opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
  pointer-events: none; z-index: 5000;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Help Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: var(--modal-overlay);
  display: flex; align-items: center; justify-content: center;
  z-index: 500; opacity: 0; pointer-events: none; transition: opacity 0.15s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--modal-bg); border-radius: 8px; width: 520px;
  max-width: calc(100vw - 32px); max-height: calc(100vh - 64px);
  display: flex; flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25); border: 1px solid var(--border-color);
  transform: translateY(8px); transition: transform 0.15s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 12px; border-bottom: 1px solid var(--border-color); flex-shrink: 0;
}
.modal__header h2 { margin: 0; font-size: 14px; font-weight: 600; }

.modal__body { overflow-y: auto; padding: 16px; flex: 1; }

.modal__footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-top: 1px solid var(--border-color); flex-shrink: 0;
}

.help-section { margin-bottom: 16px; }
.help-section:last-child { margin-bottom: 0; }
.help-section h3 {
  font-size: 11px; font-weight: 600; margin: 0 0 8px;
  color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;
}
.help-section p { margin: 0; font-size: 12px; line-height: 1.7; color: var(--text-primary); }

.help-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.help-table td { padding: 4px 0; border-bottom: 1px solid var(--border-color); }
.help-table td:first-child { color: var(--text-primary); }
.help-table td:last-child { text-align: right; white-space: nowrap; }
.help-table tr:last-child td { border-bottom: none; }

kbd {
  display: inline-block; padding: 1px 5px; font-size: 10px;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--kbd-bg); border: 1px solid var(--kbd-border);
  border-radius: 3px; box-shadow: 0 1px 0 var(--kbd-border);
}

/* ── Interactive Tour ────────────────────────────────────────────── */
.tour-overlay { position: fixed; inset: 0; z-index: 9000; pointer-events: none; }
.tour-curtain {
  position: fixed; background: rgba(0,0,0,0.58); pointer-events: all;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1); z-index: 9001;
}
.tour-highlight {
  position: fixed; border-radius: 6px; outline: 2px solid rgba(255,255,255,0.35);
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1); z-index: 9002; pointer-events: none;
}
.tour-tooltip {
  position: fixed; z-index: 9003; background: var(--tour-bg); color: var(--tour-text);
  border-radius: 8px; padding: 14px 16px; width: 280px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transition: top 0.3s cubic-bezier(0.4,0,0.2,1), left 0.3s cubic-bezier(0.4,0,0.2,1);
  pointer-events: all; font-family: inherit;
}
@keyframes tour-tooltip-in {
  from { opacity: 0; transform: scale(0.95) translateY(4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.tour-tooltip.animating { animation: tour-tooltip-in 0.2s cubic-bezier(0.34,1.56,0.64,1) forwards; }
.tour-tooltip__step { font-size: 10px; opacity: 0.6; margin-bottom: 6px; }
.tour-tooltip__title { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.tour-tooltip__body { font-size: 12px; line-height: 1.6; opacity: 0.9; }
.tour-tooltip__footer { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; gap: 8px; }

.tour-btn {
  padding: 4px 12px; border-radius: 4px; font-size: 11px; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.12);
  color: var(--tour-text); transition: background 0.15s;
}
.tour-btn:hover { background: rgba(255,255,255,0.22); }
.tour-btn.primary { background: rgba(255,255,255,0.9); color: var(--tour-bg); border-color: transparent; }
.tour-btn.primary:hover { background: #fff; }
.tour-dots { display: flex; gap: 4px; align-items: center; }
.tour-dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,0.3); transition: background 0.2s; }
.tour-dot.active { background: #fff; width: 14px; border-radius: 3px; }

/* ── Theme pills (VS Code–style segmented control) ───────────────── */
.theme-pills {
  display: flex; gap: 0; align-items: center;
  background: transparent; border: none; padding: 0; margin-right: 8px;
}
.theme-pill {
  padding: 2px 8px; font-size: 10px; border-radius: 0; border: none;
  background: transparent; color: var(--text-secondary);
  cursor: pointer; transition: color 0.1s; white-space: nowrap;
  text-transform: uppercase; letter-spacing: 0.3px; font-weight: 500;
}
.theme-pill:hover { color: var(--text-primary); }
.theme-pill.active {
  color: var(--text-primary);
  border-bottom: 1px solid var(--accent);
  background: transparent;
}
.theme-pill.active:hover { opacity: 1; }

/* ── Example dropdown (editor tab bar) ────────────────────────────── */
.example-dropdown {
  position: relative; flex-shrink: 0; margin-right: 4px;
}
.example-dropdown__trigger {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 6px 2px 5px; font-size: 11px; height: 22px;
  background: transparent; border: 1px solid transparent;
  color: var(--text-secondary); border-radius: 3px;
  cursor: pointer; transition: background 0.1s, border-color 0.1s, color 0.1s;
  white-space: nowrap; font-family: inherit;
}
.example-dropdown__trigger:hover,
.example-dropdown.open .example-dropdown__trigger {
  background: var(--btn-hover); border-color: var(--border-color); color: var(--text-primary);
}
.example-dropdown__trigger svg { flex-shrink: 0; opacity: 0.6; }
.example-dropdown__trigger:hover svg { opacity: 1; }
.example-dropdown__panel {
  display: none; position: fixed;
  background: var(--modal-bg); border: 1px solid var(--border-color);
  border-radius: 6px; box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  min-width: 200px; z-index: 1000; padding: 4px 0;
  flex-direction: column; max-height: 400px; overflow-y: auto;
}
.example-dropdown.open .example-dropdown__panel { display: flex; }
.example-dropdown__item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; border: none; background: transparent;
  padding: 6px 12px; font-size: 12px;
  color: var(--text-primary); cursor: pointer;
  text-align: left; white-space: nowrap; border-radius: 0;
  transition: background 0.05s; font-family: inherit; line-height: 1.4;
}
.example-dropdown__item:hover {
  background: var(--accent); color: #fff;
}
.example-dropdown__item:hover svg { color: rgba(255,255,255,0.9); }
.example-dropdown__item svg {
  flex-shrink: 0; width: 14px; height: 14px; color: var(--text-secondary);
}
.example-dropdown__item span { flex: 1; }

/* ── Tab bar separator ───────────────────────────────────────────── */
.tab-bar__sep {
  width: 1px; height: 14px; background: var(--border-color);
  margin: 0 6px; flex-shrink: 0;
}

/* ── Background pills ────────────────────────────────────────────── */
.bg-pills { display: flex; align-items: center; gap: 3px; flex-shrink: 0; }
.bg-pill {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; padding: 0; border: none;
  background: transparent; border-radius: 3px; cursor: pointer;
  transition: background 0.1s; position: relative;
}
.bg-pill:hover { background: var(--btn-hover); }
.bg-pill.active { background: var(--btn-hover); }
.bg-pill.active .bg-pill__swatch { box-shadow: 0 0 0 1.5px var(--accent); }
.bg-pill__swatch {
  width: 12px; height: 12px; border-radius: 2px;
  border: 1px solid var(--border-color); transition: box-shadow 0.1s;
}
.bg-pill__swatch--white { background: #ffffff; }
.bg-pill__swatch--black { background: #1a1a1a; }
.bg-pill__swatch--checker {
  background: repeating-conic-gradient(#ddd 0% 25%, #fff 0% 50%) 50%/8px 8px;
}
.bg-pill__swatch--grid {
  background: #fff;
  background-image:
    linear-gradient(rgba(0,0,0,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.15) 1px, transparent 1px);
  background-size: 4px 4px;
}
[data-theme="dark"] .bg-pill__swatch--checker {
  background: repeating-conic-gradient(#555 0% 25%, #333 0% 50%) 50%/8px 8px;
}
[data-theme="dark"] .bg-pill__swatch--grid {
  background: #333;
  background-image:
    linear-gradient(rgba(255,255,255,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 4px 4px;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { border-radius: 3px; background: var(--scrollbar-thumb); }
::-webkit-scrollbar-track { background: transparent; }

/* ── Mobile tabs ─────────────────────────────────────────────────── */
.mobile-tabs { display: none; }
.toolbar__mobile-more { display: none; }

.mobile-overflow-menu {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 2000;
}
.mobile-overflow-menu__backdrop { position: absolute; inset: 0; background: var(--modal-overlay); }
.mobile-overflow-menu__panel {
  position: absolute; top: 40px; right: 8px; background: var(--modal-bg);
  border: 1px solid var(--border-color); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2); min-width: 200px; padding: 4px;
  display: flex; flex-direction: column; gap: 1px;
}
.mobile-overflow-menu.open { display: block; }

.mobile-overflow-menu__item {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  font-size: 13px; color: var(--text-primary); border-radius: 4px;
  cursor: pointer; border: none; background: transparent; width: 100%; text-align: left;
}
.mobile-overflow-menu__item:hover { background: var(--btn-hover); }
.mobile-overflow-menu__item svg { flex-shrink: 0; color: var(--text-secondary); }
.mobile-overflow-menu__sep { height: 1px; background: var(--border-color); margin: 3px 0; }

/* ── Floating Zoom Bar ───────────────────────────────────────────── */
.floating-zoom {
  position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 1px; padding: 2px 4px;
  background: var(--modal-bg); border: 1px solid var(--border-color);
  border-radius: 4px; box-shadow: 0 1px 8px rgba(0,0,0,0.08);
  z-index: 10; opacity: 0.4; transition: opacity 0.2s;
}
.floating-zoom:hover, .preview-viewport:hover .floating-zoom { opacity: 1; }
.floating-zoom .btn-tiny { padding: 3px 5px; }
.floating-zoom .zoom-label {
  font-size: 10px; min-width: 32px; text-align: center;
  font-variant-numeric: tabular-nums; color: var(--text-secondary); user-select: none;
}
.floating-zoom .floating-zoom__sep {
  width: 1px; height: 12px; background: var(--border-color); margin: 0 2px; flex-shrink: 0;
}

/* ── Command Palette (VS Code style) ─────────────────────────────── */
.cmd-palette-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  z-index: 8000; display: flex; align-items: flex-start; justify-content: center;
  padding-top: 0; opacity: 0; pointer-events: none;
  transition: opacity 0.1s;
}
.cmd-palette-overlay.open { opacity: 1; pointer-events: all; }

.cmd-palette {
  width: 500px; max-width: calc(100vw - 32px); max-height: min(60vh, 400px);
  background: var(--modal-bg); border: 1px solid var(--border-color);
  border-radius: 6px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  display: flex; flex-direction: column; overflow: hidden;
  margin-top: 0;
  transform: translateY(-4px); transition: transform 0.1s;
}
.cmd-palette-overlay.open .cmd-palette { transform: translateY(0); }

.cmd-palette__input-wrap {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}
.cmd-palette__input-wrap svg { flex-shrink: 0; color: var(--text-secondary); opacity: 0.6; }
.cmd-palette__input {
  flex: 1; border: none; background: transparent;
  font-size: 13px; font-family: inherit;
  color: var(--text-primary); outline: none; line-height: 1.4;
}
.cmd-palette__input::placeholder { color: var(--text-secondary); opacity: 0.5; }

.cmd-palette__list { flex: 1; overflow-y: auto; padding: 4px; scrollbar-width: thin; }

.cmd-palette__group-label {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.4px; color: var(--text-secondary); padding: 6px 8px 3px;
}

.cmd-palette__item {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px;
  border-radius: 4px; cursor: pointer; border: none; background: transparent;
  width: 100%; text-align: left; font-size: 12px; color: var(--text-primary);
  transition: background 0.05s;
}
.cmd-palette__item:hover, .cmd-palette__item.active { background: var(--btn-hover); }
.cmd-palette__item svg { flex-shrink: 0; color: var(--text-secondary); width: 14px; height: 14px; }
.cmd-palette__item-label { flex: 1; }
.cmd-palette__item-kbd { display: flex; gap: 2px; flex-shrink: 0; }
.cmd-palette__item-kbd kbd {
  font-size: 9px; padding: 0 4px; border-radius: 3px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  box-shadow: none; color: var(--text-secondary); line-height: 1.5;
}

.cmd-palette__footer {
  display: flex; align-items: center; gap: 12px;
  padding: 6px 12px; border-top: 1px solid var(--border-color);
  font-size: 10px; color: var(--text-secondary);
}
.cmd-palette__footer kbd { font-size: 9px; padding: 0 3px; box-shadow: none; }
.cmd-palette__empty {
  padding: 20px 16px; text-align: center; color: var(--text-secondary); font-size: 12px; opacity: 0.6;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .mobile-tabs {
    display: flex; flex-shrink: 0; border-bottom: 1px solid var(--border-color);
    background: var(--panel-header-bg);
  }
  .mobile-tab {
    flex: 1; padding: 8px; font-size: 12px; font-weight: 600;
    border: none; border-radius: 0; background: transparent;
    color: var(--text-secondary); border-bottom: 2px solid transparent;
    cursor: pointer; transition: color 0.1s, border-color 0.1s;
  }
  .mobile-tab.active { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }
  .mobile-tab:hover { background: var(--btn-hover); }

  .panel--editor.mobile-hidden, .panel--preview.mobile-hidden { display: none; }
  #divider { display: none; }

  .toolbar { height: 36px; padding: 0 8px; flex-wrap: nowrap; }
  .menubar { display: none; }
  .btn-cmdk { display: none; }
  .toolbar__mobile-more { display: inline-flex !important; }

  .editor-layout { flex-direction: column; }
  #divider { width: 100%; height: 4px; cursor: row-resize; }
  .floating-zoom { bottom: 6px; padding: 2px 4px; }
  .cmd-palette { width: calc(100vw - 16px); max-height: 50vh; }
}