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

body {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Menu bar ---- */
.menu-bar {
  display: flex;
  align-items: center;
  padding: 0;
  background: var(--sz-color-menu);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  user-select: none;
  flex-shrink: 0;
}

.menu-item {
  position: relative;
  padding: 3px 8px;
  cursor: default;
  color: var(--sz-color-menu-text);
}

.menu-item:hover,
.menu-item.open {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--sz-color-menu);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  z-index: 1000;
  padding: 2px 0;
}

.menu-item.open > .menu-dropdown {
  display: block;
}

.menu-entry {
  padding: 4px 24px 4px 8px;
  cursor: default;
  color: var(--sz-color-menu-text);
  white-space: nowrap;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu-entry:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.menu-entry.disabled {
  color: var(--sz-color-gray-text);
  pointer-events: none;
}

.menu-entry .shortcut {
  margin-left: 24px;
  font-size: 10px;
  opacity: 0.7;
}

.menu-separator {
  height: 1px;
  background: var(--sz-color-button-shadow);
  margin: 2px 4px;
}

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 4px;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
  user-select: none;
}

.toolbar button {
  padding: 2px 8px;
  font-size: 10px;
  font-family: Tahoma, Verdana, sans-serif;
  cursor: default;
  white-space: nowrap;
}

.toolbar-sep {
  width: 1px;
  height: 18px;
  background: var(--sz-color-button-shadow);
  margin: 0 3px;
}

/* ---- Main split ---- */
.main-split {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ---- Editor panel (left) ---- */
.editor-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 200px;
  border-right: 1px solid var(--sz-color-button-shadow);
  position: relative;
}

.editor-panel textarea {
  flex: 1;
  resize: none;
  border: none;
  outline: none;
  font-family: 'Consolas', 'Lucida Console', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.4;
  padding: 4px;
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  tab-size: 2;
  white-space: pre;
  overflow: auto;
}

.editor-error-bar {
  display: none;
  padding: 3px 6px;
  background: #fdd;
  border-top: 1px solid #c66;
  color: #900;
  font-size: 10px;
  flex-shrink: 0;
  cursor: default;
}

.editor-error-bar.visible {
  display: block;
}

/* ---- Splitter ---- */
.splitter {
  width: 5px;
  cursor: col-resize;
  background: var(--sz-color-button-face);
  border-left: 1px solid var(--sz-color-button-shadow);
  border-right: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
}

.splitter:hover {
  background: var(--sz-color-button-light);
}

/* ---- Tree panel (right) ---- */
.tree-panel {
  flex: 1;
  overflow: auto;
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-family: 'Consolas', 'Lucida Console', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.5;
  padding: 4px 2px;
  min-width: 200px;
}

/* ---- Tree nodes ---- */
.tree-node {
  padding-left: 16px;
}

.tree-node-root {
  padding-left: 0;
}

/* JSON syntax highlighting -- intentional decorative colors */
.tree-key {
  color: #880088;
  cursor: default;
}

.tree-toggle {
  display: inline-block;
  width: 12px;
  cursor: pointer;
  user-select: none;
  text-align: center;
  color: var(--sz-color-gray-text);
  font-size: 10px;
}

.tree-toggle:hover {
  color: var(--sz-color-window-text);
}

.tree-bracket {
  color: #555;
}

.tree-comma {
  color: #555;
}

.tree-count {
  color: var(--sz-color-gray-text);
  font-size: 10px;
  font-style: italic;
}

.tree-val-string {
  color: #2e7d32;
  cursor: pointer;
}

.tree-val-number {
  color: #1565c0;
  cursor: pointer;
}

.tree-val-boolean {
  color: #e65100;
  cursor: pointer;
}

.tree-val-null {
  color: #999;
  font-style: italic;
  cursor: pointer;
}

.tree-line {
  white-space: nowrap;
  position: relative;
  padding: 0 4px;
}

.tree-line:hover {
  background: rgba(0,0,0,0.04);
}

.tree-line.selected {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.tree-line.selected .tree-key,
.tree-line.selected .tree-val-string,
.tree-line.selected .tree-val-number,
.tree-line.selected .tree-val-boolean,
.tree-line.selected .tree-val-null,
.tree-line.selected .tree-bracket,
.tree-line.selected .tree-count,
.tree-line.selected .tree-toggle {
  color: inherit;
}

.tree-line.search-match {
  background: #fff3cd;
}

.tree-line.search-match.search-active {
  background: #ffeb3b;
}

/* ---- Copy tooltip ---- */
.copy-tooltip {
  position: fixed;
  background: var(--sz-color-window-text);
  color: var(--sz-color-window);
  padding: 3px 8px;
  font-size: 10px;
  border-radius: 3px;
  pointer-events: none;
  z-index: 3000;
  opacity: 0;
  transition: opacity 0.15s;
}

.copy-tooltip.visible {
  opacity: 1;
}

/* ---- Search bar ---- */
.search-bar {
  display: none;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
}

.search-bar.visible {
  display: flex;
}

.search-bar input {
  flex: 1;
  padding: 2px 4px;
  font-size: 11px;
  font-family: Tahoma, Verdana, sans-serif;
  max-width: 300px;
}

.search-bar button {
  padding: 2px 8px;
  font-size: 10px;
  font-family: Tahoma, Verdana, sans-serif;
  cursor: default;
}

.search-bar .search-info {
  font-size: 10px;
  color: var(--sz-color-gray-text);
  min-width: 60px;
}

/* ---- Status bar ---- */
.status-bar {
  display: flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--sz-color-button-face);
  border-top: 1px solid var(--sz-color-button-shadow);
  font-size: 11px;
  color: var(--sz-color-button-text);
  flex-shrink: 0;
  user-select: none;
  gap: 12px;
  min-height: 20px;
}

.status-bar .status-section {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-valid {
  font-weight: bold;
}

/* Intentional semantic status colors */
.status-valid.valid {
  color: #2e7d32;
}

.status-valid.invalid {
  color: #c00;
}

.status-path {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--sz-color-gray-text);
  font-family: 'Consolas', 'Lucida Console', monospace;
  font-size: 10px;
}

/* ---- Dialogs ---- */
.dialog-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.dialog-overlay.visible {
  display: flex;
}

.dialog {
  background: var(--sz-color-button-face);
  border: 2px outset var(--sz-color-button-highlight);
  min-width: 300px;
  max-width: 400px;
  box-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.dialog-title {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
  padding: 4px 8px;
  font-weight: bold;
  font-size: 11px;
  user-select: none;
}

.dialog-body {
  padding: 12px;
  font-size: 11px;
}

.dialog-body p {
  margin-bottom: 8px;
}

.dialog-buttons {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
}

.dialog-buttons button {
  min-width: 72px;
  padding: 3px 12px;
  font-size: 11px;
  cursor: default;
}