/* layout.css - Tracery Studio layout */

:root {
  color-scheme: dark;
  --color-bg: #0e0e12;
  --color-surface: #16161c;
  --color-surface2: #1e1e26;
  --color-surface3: #252530;
  --color-border: #2e2e3e;
  --color-border-bright: #444460;
  --color-accent: #7c6af7;
  --color-accent2: #e06c75;
  --color-accent3: #56b6c2;
  --color-success: #98c379;
  --color-warn: #e5c07b;
  --color-error: #e06c75;
  --color-text: #abb2bf;
  --color-text-bright: #dde1e8;
  --color-text-dim: #5c6370;
  --color-text-mid: #848b98;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', monospace;
  --font-ui: 'Inter', 'DM Sans', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'DM Sans', sans-serif;
  --radius: 6px;
  --radius-lg: 10px;
  --toolbar-h: 44px;
  --statusbar-h: 26px;
  --gutter: 12px;
  --panel-min: 280px;
  --structure-pane-size: clamp(320px, 42vw, 760px);
  --button-border-style: solid;
  --button-letter-spacing: 0;
  --button-shadow: none;
  --syntax-key: #e06c75;
  --syntax-string: #98c379;
  --syntax-number: #d19a66;
  --syntax-bool: #c678dd;
  --syntax-null: #c678dd;
  --syntax-punc: #5c6370;
  --syntax-comment: #7f8a9b;
  --syntax-selector: #56b6c2;
  --syntax-property: #e5c07b;
  --syntax-value: #98c379;
  --syntax-tracery-symbol: #c678dd;
  --syntax-tracery-action: #56b6c2;
  --syntax-html-tag: #e06c75;
  --syntax-html-attr: #e5c07b;
  --syntax-html-attrval: #98c379;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --color-bg: #f4f6fa;
    --color-surface: #ffffff;
    --color-surface2: #f1f4f9;
    --color-surface3: #e9eef7;
    --color-border: #d7dfeb;
    --color-border-bright: #bcc8da;
    --color-accent: #4c57d6;
    --color-accent2: #cb4d5a;
    --color-accent3: #0e8ea4;
    --color-success: #2f8d4e;
    --color-warn: #a77208;
    --color-error: #b93b44;
    --color-text: #364152;
    --color-text-bright: #182233;
    --color-text-dim: #6b7586;
    --color-text-mid: #4d5a6e;
    --syntax-key: #8f2f3a;
    --syntax-string: #2f6f46;
    --syntax-number: #8a5a00;
    --syntax-bool: #6c43b6;
    --syntax-null: #6c43b6;
    --syntax-punc: #667085;
    --syntax-comment: #7b8797;
    --syntax-selector: #0f7a8c;
    --syntax-property: #7d5400;
    --syntax-value: #145a45;
    --syntax-tracery-symbol: #6c43b6;
    --syntax-tracery-action: #0f7a8c;
    --syntax-html-tag: #8f2f3a;
    --syntax-html-attr: #7d5400;
    --syntax-html-attrval: #2f6f46;
  }
}

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

html,
body {
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* ── App Shell ───────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Titlebar ───────────────────────────────── */
#titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: var(--toolbar-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  z-index: 10;
}

#titlebar .logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-bright);
  letter-spacing: -0.3px;
  user-select: none;
}

#titlebar .logo .sigil {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: white;
  font-weight: 900;
}

#titlebar .logo .beta-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-mid);
  background: var(--color-surface3);
  padding: 2px 6px;
  border-radius: 12px;
  margin-left: 4px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

#titlebar .spacer {
  flex: 1;
}

#titlebar .toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  border-style: var(--button-border-style);
  background: transparent;
  color: var(--color-text-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  letter-spacing: var(--button-letter-spacing);
  box-shadow: var(--button-shadow);
}

#titlebar .toolbar-btn:hover {
  border-color: var(--color-border-bright);
  color: var(--color-text-bright);
  background: var(--color-surface2);
}

#titlebar .toolbar-btn.primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

#titlebar .toolbar-btn.primary:hover {
  filter: brightness(1.15);
}

#titlebar .toolbar-btn.danger {
  color: var(--color-error);
  border-color: color-mix(in srgb, var(--color-error) 30%, transparent);
}

.toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--color-border);
}

/* ── Status bar ───────────────────────────────── */
#statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  height: var(--statusbar-h);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

#statusbar .status-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

#statusbar .status-item.valid {
  color: var(--color-success);
}

#statusbar .status-item.error {
  color: var(--color-error);
}

#statusbar .status-item.warn {
  color: var(--color-warn);
}

#statusbar .spacer {
  flex: 1;
}

#save-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}

#save-indicator.dirty {
  color: var(--color-warn);
}

#save-indicator.saved {
  color: var(--color-success);
}

/* ── Main workspace ───────────────────────────────── */
#workspace {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(var(--panel-min), var(--structure-pane-size)) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "grammar preview"
    "css preview";
  overflow: hidden;
  min-height: 0;
}

/* ── Panel ───────────────────────────────── */
.panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--color-surface);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 36px;
  background: var(--color-surface2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  user-select: none;
}

.panel-header .panel-label {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.12s;
}

.icon-btn:hover {
  background: var(--color-surface3);
  color: var(--color-text-bright);
}

.icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Resize handle ───────────────────────────────── */
.resize-handle {
  width: 0;
  display: none;
  background: var(--color-border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.15s;
  position: relative;
}

.resize-handle::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -3px;
  right: -3px;
}

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

/* ── Grammar editor panel ───────────────────────────────── */
#panel-grammar {
  grid-area: grammar;
  min-height: 0;
}

/* ── Preview panel ───────────────────────────────── */
#panel-preview {
  grid-area: preview;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

/* ── CSS panel ───────────────────────────────── */
#panel-css {
  grid-area: css;
  min-height: 0;
  border-top: 1px solid var(--color-border);  
}

/* ── Code editor ───────────────────────────────── */
.editor-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
}

.editor-stage {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.editor-stage.syntax-disabled .editor-highlight {
  display: none;
}

.editor-stage.syntax-disabled .overlay-input {
  color: var(--color-text-bright);
  -webkit-text-fill-color: var(--color-text-bright);
}

body.debug-show-textarea .editor-highlight {
  display: none !important;
}

body.debug-show-textarea .overlay-input {
  color: var(--color-text-bright) !important;
  -webkit-text-fill-color: var(--color-text-bright) !important;
}

.editor-gutter {
  width: 42px;
  flex-shrink: 0;
  background: var(--color-surface2);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.gutter-line {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  color: var(--color-text-dim);
  user-select: none;
  min-width: 24px;
  text-align: right;
  padding-right: 8px;
  width: 100%;
}

.gutter-line.error-line {
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 20%, transparent);
}

.editor-area {
  flex: 1;
  background: transparent;
  color: var(--color-text-bright);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  padding: 10px 12px;
  border: none;
  outline: none;
  resize: none;
  overflow-y: auto;
  overflow-x: auto;
  tab-size: 2;
  white-space: pre;
  width: 100%;
  caret-color: var(--color-accent);
  appearance: none;
  -webkit-appearance: none;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
  text-rendering: geometricPrecision;
}

.editor-area.overlay-input {
  position: absolute;
  inset: 0;
  z-index: 2;
  color: transparent;
  scrollbar-width: none;        /* Firefox */
  -ms-overflow-style: none;     /* IE/Edge */
}
.editor-area.overlay-input::-webkit-scrollbar {
  display: none;                /* Chrome/Safari */
}

.editor-area.overlay-input::placeholder {
  -webkit-text-fill-color: var(--color-text-dim);
  color: var(--color-text-dim);
}

.editor-highlight {
  position: absolute;
  inset: 0;
  z-index: 1;
  margin: 0;
  padding: 10px 12px;
  overflow: auto;
  pointer-events: none;
  white-space: pre;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--color-text-bright);
  background: var(--color-surface);
  tab-size: 2;
}

.editor-highlight,
.editor-highlight * {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  tab-size: 2;
  letter-spacing: normal;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
  text-rendering: geometricPrecision;
}

.editor-highlight {
  scrollbar-width: none;
}

.editor-highlight::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.tok-key {
  color: var(--syntax-key);
}

.tok-string {
  color: var(--syntax-string);
}

.tok-number {
  color: var(--syntax-number);
}

.tok-bool,
.tok-null {
  color: var(--syntax-bool);
}

.tok-punc {
  color: var(--syntax-punc);
}

.tok-comment {
  color: var(--syntax-comment);
}

.tok-selector {
  color: var(--syntax-selector);
}

.tok-property {
  color: var(--syntax-property);
}

.tok-value {
  color: var(--syntax-value);
}

.tok-tracery-symbol {
  color: var(--syntax-tracery-symbol);
  font-style: italic;
}

.tok-tracery-action {
  color: var(--syntax-tracery-action);
}

.tok-html-tag {
  color: var(--syntax-html-tag);
}

.tok-html-attr {
  color: var(--syntax-html-attr);
}

.tok-html-attrval {
  color: var(--syntax-html-attrval);
}

:root[data-theme="light"] .tok-key {
  color: var(--syntax-key);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .tok-key {
    color: var(--syntax-key);
  }
}

.editor-area::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

/* Drop overlay */
.editor-area.drag-over {
  outline: 2px dashed var(--color-accent);
  outline-offset: -4px;
}

/* ── Error overlay ───────────────────────────────── */
#error-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: color-mix(in srgb, var(--color-error) 10%, var(--color-surface2));
  border-top: 1px solid color-mix(in srgb, var(--color-error) 40%, transparent);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-error);
  display: none;
  z-index: 5;
}

#error-overlay.visible {
  display: block;
}

/* ── Output / Preview ───────────────────────────────── */
#preview-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

#preview-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 36px;
  background: var(--color-surface2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

#preview-output-wrap {
  flex: 1;
  overflow: auto;
  min-height: 0;
  position: relative;
}

#auto-reroll-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
  cursor: pointer;
  user-select: none;
}

#auto-reroll-label input {
  accent-color: var(--color-accent);
}

.preview-stat {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

.preview-spacer {
  flex: 1;
}

/* ── Reroll button ───────────────────────────────── */
#btn-reroll {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

#btn-reroll:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Dot indicator ───────────────────────────────── */
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.dot.green {
  background: var(--color-success);
}

.dot.red {
  background: var(--color-error);
}

.dot.yellow {
  background: var(--color-warn);
}

/* ── Modal ───────────────────────────────── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

#modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--color-surface2);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 320px;
  max-width: 500px;
  width: 90vw;
}

.modal h3 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-text-bright);
  margin-bottom: 12px;
}

.modal p {
  font-size: 13px;
  color: var(--color-text-mid);
  margin-bottom: 16px;
  line-height: 1.6;
}

.modal-input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 10px;
  border-radius: var(--radius);
  outline: none;
  margin-bottom: 12px;
  word-break: break-all;
}

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

.modal-btn {
  padding: 7px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-mid);
  font-family: var(--font-ui);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.12s;
}

.modal-btn:hover {
  border-color: var(--color-border-bright);
  color: var(--color-text-bright);
}

.modal-btn.primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

#settings-overlay,
#help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

#settings-overlay.open,
#help-overlay.open {
  display: flex;
}

/* ── Doc Content (Help Modal) ────────────────────── */
.doc-content {
  color: var(--color-text-mid);
  font-size: 13px;
  line-height: 1.6;
}

.doc-content h4 {
  color: var(--color-text-bright);
  font-family: var(--font-display);
  font-size: 14px;
  margin: 1.2rem 0 0.6rem;
}

.doc-content h4:first-child {
  margin-top: 0;
}

.doc-content h5 {
  color: var(--color-text-bright);
  font-family: var(--font-display);
  font-size: 13px;
  margin: 1rem 0 0.4rem;
  opacity: 0.9;
}

.doc-content p {
  margin-bottom: 0.8rem;
}

.doc-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.doc-content li {
  margin-bottom: 0.6rem;
}

.doc-content code {
  color: var(--color-text-bright);
  background: rgba(0,0,0,0.06);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  border: 1px solid var(--color-border);
}

.settings-modal {
  max-width: 420px;
}

.settings-row {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.settings-row span {
  font-size: 12px;
  color: var(--color-text-mid);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.settings-select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-bright);
  font-family: var(--font-ui);
  font-size: 13px;
  padding: 8px 10px;
  border-radius: var(--radius);
  outline: none;
}

.settings-select:focus {
  border-color: var(--color-accent);
}

:root[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f4f6fa;
  --color-surface: #ffffff;
  --color-surface2: #f1f4f9;
  --color-surface3: #e9eef7;
  --color-border: #d7dfeb;
  --color-border-bright: #bcc8da;
  --color-accent: #4c57d6;
  --color-accent2: #cb4d5a;
  --color-accent3: #0e8ea4;
  --color-success: #2f8d4e;
  --color-warn: #a77208;
  --color-error: #b93b44;
  --color-text: #364152;
  --color-text-bright: #182233;
  --color-text-dim: #6b7586;
  --color-text-mid: #4d5a6e;
  --syntax-key: #8f2f3a;
  --syntax-string: #2f6f46;
  --syntax-number: #8a5a00;
  --syntax-bool: #6c43b6;
  --syntax-null: #6c43b6;
  --syntax-punc: #667085;
  --syntax-comment: #7b8797;
  --syntax-selector: #0f7a8c;
  --syntax-property: #7d5400;
  --syntax-value: #145a45;
  --syntax-tracery-symbol: #6c43b6;
  --syntax-tracery-action: #0f7a8c;
  --syntax-html-tag: #8f2f3a;
  --syntax-html-attr: #7d5400;
  --syntax-html-attrval: #2f6f46;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #0e0e12;
  --color-surface: #16161c;
  --color-surface2: #1e1e26;
  --color-surface3: #252530;
  --color-border: #2e2e3e;
  --color-border-bright: #444460;
  --color-accent: #7c6af7;
  --color-accent2: #e06c75;
  --color-accent3: #56b6c2;
  --color-success: #98c379;
  --color-warn: #e5c07b;
  --color-error: #e06c75;
  --color-text: #abb2bf;
  --color-text-bright: #dde1e8;
  --color-text-dim: #5c6370;
  --color-text-mid: #848b98;
}

:root[data-theme="pink-pop"] {
  color-scheme: light;
  --color-bg: #fff3fb;
  --color-surface: #ffffff;
  --color-surface2: #ffe7f5;
  --color-surface3: #ffd9ef;
  --color-border: #f1b7d9;
  --color-border-bright: #e78fc3;
  --color-accent: #ff4fa3;
  --color-accent2: #ff7ab6;
  --color-accent3: #8f68ff;
  --color-success: #2fae72;
  --color-warn: #cb7a00;
  --color-error: #da3f72;
  --color-text: #4d2b46;
  --color-text-bright: #2f1230;
  --color-text-dim: #8d6784;
  --color-text-mid: #6f4868;
  --button-border-style: solid;
  --button-letter-spacing: 0.01em;
  --button-shadow: 0 1px 0 rgba(255, 79, 163, 0.2);
  --syntax-key: #c01f6b;
  --syntax-string: #16739b;
  --syntax-number: #8b4ce6;
  --syntax-bool: #b2298b;
  --syntax-null: #b2298b;
  --syntax-punc: #8a5c7d;
  --syntax-comment: #9f7891;
  --syntax-selector: #0d8ca6;
  --syntax-property: #b06a00;
  --syntax-value: #1a7f5a;
  --syntax-tracery-symbol: #b2298b;
  --syntax-tracery-action: #0d8ca6;
  --syntax-html-tag: #c01f6b;
  --syntax-html-attr: #b06a00;
  --syntax-html-attrval: #1a7f5a;
}

:root[data-theme="vscode-dark-plus"] {
  color-scheme: dark;
  --color-bg: #1e1e1e;
  --color-surface: #252526;
  --color-surface2: #2d2d2d;
  --color-surface3: #333333;
  --color-border: #3c3c3c;
  --color-border-bright: #5a5a5a;
  --color-accent: #007acc;
  --color-accent2: #d16969;
  --color-accent3: #4ec9b0;
  --color-success: #6a9955;
  --color-warn: #d7ba7d;
  --color-error: #f44747;
  --color-text: #d4d4d4;
  --color-text-bright: #ffffff;
  --color-text-dim: #858585;
  --color-text-mid: #a6a6a6;
  --button-border-style: solid;
  --button-letter-spacing: 0.01em;
  --button-shadow: none;
  --syntax-key: #9cdcfe;
  --syntax-string: #ce9178;
  --syntax-number: #b5cea8;
  --syntax-bool: #569cd6;
  --syntax-null: #569cd6;
  --syntax-punc: #808080;
  --syntax-comment: #6a9955;
  --syntax-selector: #d7ba7d;
  --syntax-property: #9cdcfe;
  --syntax-value: #ce9178;
  --syntax-tracery-symbol: #c586c0;
  --syntax-tracery-action: #4ec9b0;
  --syntax-html-tag: #569cd6;
  --syntax-html-attr: #9cdcfe;
  --syntax-html-attrval: #ce9178;
}

:root[data-theme="noir"] {
  color-scheme: dark;
  --color-bg: #0b0b0b;
  --color-surface: #121212;
  --color-surface2: #181818;
  --color-surface3: #222222;
  --color-border: #303030;
  --color-border-bright: #5a5a5a;
  --color-accent: #f5f5f5;
  --color-accent2: #9a9a9a;
  --color-accent3: #d0d0d0;
  --color-success: #a6a6a6;
  --color-warn: #b8a47f;
  --color-error: #d28d8d;
  --color-text: #bbbbbb;
  --color-text-bright: #f1f1f1;
  --color-text-dim: #6c6c6c;
  --color-text-mid: #8e8e8e;
  --button-border-style: solid;
  --button-letter-spacing: 0.03em;
  --syntax-key: #ffffff;
  --syntax-string: #d7d7d7;
  --syntax-number: #b0b0b0;
  --syntax-bool: #f1f1f1;
  --syntax-null: #f1f1f1;
  --syntax-punc: #9a9a9a;
  --syntax-comment: #7b7b7b;
  --syntax-selector: #ffffff;
  --syntax-property: #dedede;
  --syntax-value: #d7d7d7;
  --syntax-tracery-symbol: #d0d0d0;
  --syntax-tracery-action: #f0f0f0;
  --syntax-html-tag: #bbbbbb;
  --syntax-html-attr: #e8e8e8;
  --syntax-html-attrval: #c4c4c4;
}

:root[data-theme="academic"] {
  color-scheme: light;
  --color-bg: #f5f1e7;
  --color-surface: #fffdf8;
  --color-surface2: #f1ebdd;
  --color-surface3: #e8dec9;
  --color-border: #cdbfa3;
  --color-border-bright: #b39f7a;
  --color-accent: #6b4f2f;
  --color-accent2: #8b5a3c;
  --color-accent3: #3d6373;
  --color-success: #4f7a43;
  --color-warn: #8a6727;
  --color-error: #934a3f;
  --color-text: #3e3426;
  --color-text-bright: #2a2116;
  --color-text-dim: #766956;
  --color-text-mid: #5a4d3a;
  --button-border-style: solid;
  --button-letter-spacing: 0.015em;
  --syntax-key: #7a2d2c;
  --syntax-string: #2b6247;
  --syntax-number: #8a5a00;
  --syntax-bool: #5c3ea8;
  --syntax-null: #5c3ea8;
  --syntax-punc: #766956;
  --syntax-comment: #8d8171;
  --syntax-selector: #275c6b;
  --syntax-property: #7a5a26;
  --syntax-value: #2b6247;
  --syntax-tracery-symbol: #5c3ea8;
  --syntax-tracery-action: #275c6b;
  --syntax-html-tag: #7a2d2c;
  --syntax-html-attr: #7a5a26;
  --syntax-html-attrval: #2b6247;
}

:root[data-theme="arcade"] {
  color-scheme: dark;
  --color-bg: #151028;
  --color-surface: #1c1633;
  --color-surface2: #271f47;
  --color-surface3: #30275a;
  --color-border: #4c3f84;
  --color-border-bright: #7e6bc2;
  --color-accent: #00e7ff;
  --color-accent2: #ff3b8b;
  --color-accent3: #ffe066;
  --color-success: #76ff7a;
  --color-warn: #ffb347;
  --color-error: #ff6f91;
  --color-text: #c8c2f3;
  --color-text-bright: #ffffff;
  --color-text-dim: #948dc0;
  --color-text-mid: #b1a9dd;
  --font-display: 'JetBrains Mono', 'Cascadia Code', monospace;
  --button-border-style: dashed;
  --button-letter-spacing: 0.025em;
  --button-shadow: inset 0 0 0 1px rgba(0, 231, 255, 0.15);
  --syntax-key: #ff3b8b;
  --syntax-string: #76ff7a;
  --syntax-number: #ffe066;
  --syntax-bool: #00e7ff;
  --syntax-null: #00e7ff;
  --syntax-punc: #948dc0;
  --syntax-comment: #7e6bc2;
  --syntax-selector: #00e7ff;
  --syntax-property: #ff3b8b;
  --syntax-value: #76ff7a;
  --syntax-tracery-symbol: #c792ff;
  --syntax-tracery-action: #00e7ff;
  --syntax-html-tag: #ff3b8b;
  --syntax-html-attr: #ffe066;
  --syntax-html-attrval: #76ff7a;
}


/* ── Origin input (preview panel header) ───────────────────────────── */
.origin-wrap {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1;
  justify-content: center;
}

.origin-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  white-space: nowrap;
  user-select: none;
}

.origin-input {
  background: var(--color-surface3);
  border: 1px solid var(--color-border);
  color: var(--color-text-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
  outline: none;
  width: 100px;
  transition: border-color 0.12s, color 0.12s;
  caret-color: var(--color-accent);
}

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

.origin-input.invalid {
  border-color: var(--color-error);
  color: var(--color-error);
}


/* ── Preview panel header (reroll + auto inline) ───────────────────── */
.preview-panel-header {
  gap: 6px;
}

.preview-panel-header .panel-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Reroll button now lives in the panel header */
#btn-reroll {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface3);
  color: var(--color-text-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  white-space: nowrap;
}

#btn-reroll:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.reroll-icon {
  font-size: 13px;
  line-height: 1;
}

#auto-reroll-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-dim);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

#auto-reroll-label input[type="checkbox"] {
  width: 12px;
  height: 12px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ── Hide-editors layout ────────────────────────────────────────────── */
#workspace.editors-hidden #panel-grammar,
#workspace.editors-hidden #panel-css,
#workspace.editors-hidden .resize-handle {
  display: none;
}

#workspace.editors-hidden #panel-preview {
  flex: 1 1 100%;
  max-width: 100%;
}

/* ── Toast ───────────────────────────────── */
#toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-surface3);
  border: 1px solid var(--color-border-bright);
  color: var(--color-text-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
  z-index: 200;
  white-space: nowrap;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}


/* ── Examples Modal ───────────────────────────────── */
#examples-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 120;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  backdrop-filter: blur(4px);
  overflow-y: auto;
}

#examples-overlay.open {
  display: flex;
}

.examples-modal {
  background: var(--color-surface2);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.examples-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--color-border);
}

.examples-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-text-bright);
  margin-bottom: 4px;
}

.examples-subtitle {
  font-size: 12px;
  color: var(--color-text-dim);
  line-height: 1.5;
}

.examples-close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  margin-top: 2px;
}

.examples-filters {
  display: flex;
  gap: 6px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.ex-filter {
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}

.ex-filter:hover {
  border-color: var(--color-accent);
  color: var(--color-text-bright);
}

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

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  padding: 18px 22px 22px;
}

.ex-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.ex-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.ex-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ex-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.ex-title {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-bright);
  margin: 0;
}

.ex-desc {
  font-size: 12px;
  color: var(--color-text-mid);
  line-height: 1.55;
  flex: 1;
  margin: 0;
}

.ex-load-btn {
  margin-top: 4px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
  align-self: flex-start;
}

.ex-load-btn:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ── Responsive / mobile ───────────────────────────────── */
@media (max-width: 900px) {
  #workspace {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "grammar"
      "css"
      "preview";
  }

  .panel {
    min-width: 0;
    min-height: 0;
  }

  #panel-grammar {
    min-height: 0;
  }

  #panel-preview {
    min-height: 0;
  }

  #panel-css {
    min-height: 0;
  }

  .resize-handle {
    width: 0;
    height: 0;
    cursor: default;
  }

  .resize-handle::after {
    top: -3px;
    bottom: -3px;
    left: 0;
    right: 0;
  }
}

@media (max-width: 600px) {
  #panel-css {
    display: none;
  }

  #titlebar .toolbar-btn span {
    display: none;
  }

  #titlebar .logo span.subtitle {
    display: none;
  }
}

/* ── Syntax highlighting ───────────────────────────────── */
.hl-string {
  color: #98c379;
}

.hl-number {
  color: #d19a66;
}

.hl-bool {
  color: #c678dd;
}

.hl-null {
  color: #c678dd;
}

.hl-key {
  color: #e06c75;
}

.hl-bracket {
  color: var(--color-text-dim);
}

.hl-symbol {
  color: #56b6c2;
}

.hl-mod {
  color: #e5c07b;
}

.hl-action {
  color: #c678dd;
}

/* ── Shadow DOM host output ───────────────────────────────── */
#preview-output-wrap {
  background: transparent;
}

/* scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-border-bright);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ── Layout toggle buttons ───────────────────────────────── */
.layout-btn {
  padding: 3px 7px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: transparent;
  color: var(--color-text-dim);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
  font-family: var(--font-mono);
}

.layout-btn.active {
  background: var(--color-surface3);
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.layout-btn:hover {
  color: var(--color-text-bright);
}

/* ── Kbd shortcut tags ───────────────────────────────── */
kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  background: var(--color-surface2);
}

/* ── Loading state ───────────────────────────────── */
.loading-spin {
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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




/* Extra polish */
.panel {
  border-right: 1px solid var(--color-border);
}

#panel-css {
  border-left: 1px solid var(--color-border);
}

.editor-wrap {
  position: relative;
}

#grammar-editor-wrap {
  flex: 1;
}

#css-editor-wrap {
  flex: 1;
}

/* panel header dot colors */
.panel-dot-grammar {
  background: #e06c75;
}

.panel-dot-css {
  background: #56b6c2;
}

.panel-dot-preview {
  background: #98c379;
}

/* Symbol count badge */
#status-symbols {
  background: var(--color-surface3);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

/* Preview toolbar extra */
#btn-reroll {
  gap: 5px;
}

#btn-reroll .reroll-icon {
  font-size: 15px;
  display: inline-block;
  transition: transform 0.3s;
}

#btn-reroll:hover .reroll-icon {
  transform: rotate(180deg);
}

/* Keyboard hint in status */
.kb-hint {
  font-size: 10px;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Panel collapse */
.panel[data-collapsed="true"] .editor-wrap,
.panel[data-collapsed="true"] .panel-content {
  display: none;
}

/* CSS panel placeholder text */
#css-editor::placeholder {
  color: var(--color-text-dim);
  font-style: italic;
}

/* help text in preview when empty */
.preview-empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  gap: 8px;
  text-align: center;
}

.preview-empty-hint .big {
  font-size: 32px;
}

/* Tracery symbol highlight in gutter area */
.grammar-editor-wrap {
  display: flex;
  flex: 1;
  min-height: 0;
}