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

body {
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  font-family: sans-serif;
  font-size: 12px;
  background: var(--sz-color-button-face);
  color: var(--sz-color-button-text);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Menu bar ---- */
.menu-bar { display: flex; background: var(--sz-color-menu); color: var(--sz-color-menu-text); font-size: 11px; user-select: none; border-bottom: 1px solid var(--sz-color-button-shadow); position: relative; z-index: 100; flex-shrink: 0; }
.menu-item { padding: 3px 8px; position: relative; cursor: default; }
.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; background: var(--sz-color-menu); border: 1px solid var(--sz-color-button-shadow); box-shadow: 2px 2px 4px rgba(0,0,0,0.2); min-width: 160px; z-index: 200; }
.menu-item.open .menu-dropdown { display: block; }
.menu-entry { padding: 3px 24px 3px 8px; white-space: nowrap; cursor: default; color: var(--sz-color-menu-text); }
.menu-entry:hover { background: var(--sz-color-highlight); color: var(--sz-color-highlight-text); }
.menu-separator { height: 1px; background: var(--sz-color-button-shadow); margin: 2px 4px; }

/* ---- Layout ---- */
#app {
  display: grid;
  grid-template-rows: auto 1fr auto auto auto auto;
  gap: 6px;
  flex: 1;
  min-height: 0;
  padding: 8px;
}

.hidden { display: none !important; }

/* ---- Type bar (tabs) ---- */
#type-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--sz-color-button-shadow);
}

.type-btn {
  flex: 1;
  padding: 4px 12px;
  border: 1px solid var(--sz-color-button-shadow);
  border-bottom: none;
  background: var(--sz-color-button-face);
  color: var(--sz-color-button-text);
  cursor: pointer;
  font-size: 12px;
  margin-right: -1px;
}

.type-btn.active {
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  border-bottom: 2px solid var(--sz-color-window);
  margin-bottom: -2px;
  font-weight: bold;
}

.type-btn:hover:not(.active) {
  background: var(--sz-color-button-highlight);
}

/* ---- Preview ---- */
#preview-area {
  min-height: 80px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  overflow: hidden;
}

#preview {
  width: 100%;
  height: 100%;
}

.checker-bg {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

/* ---- Stop bar ---- */
#stop-bar-section {
  display: flex;
  gap: 6px;
  align-items: center;
}

#stop-track-wrap {
  flex: 1;
  position: relative;
  height: 28px;
}

#stop-track {
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 12px;
  border: 1px solid var(--sz-color-button-shadow);
  border-radius: 2px;
}

#stop-handles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
}

.stop-handle {
  position: absolute;
  top: 0;
  width: 14px;
  height: 28px;
  transform: translateX(-50%);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stop-handle::before {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--sz-color-button-shadow);
}

.stop-handle::after {
  content: '';
  display: block;
  width: 10px;
  height: 16px;
  border: 2px solid var(--sz-color-button-shadow);
  border-radius: 0 0 2px 2px;
  background: var(--handle-color, #fff);
}

.stop-handle.selected::before {
  border-top-color: var(--sz-color-highlight);
}

.stop-handle.selected::after {
  border-color: var(--sz-color-highlight);
}

#stop-buttons {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

#stop-buttons button,
#output-buttons button {
  padding: 3px 10px;
  border: 2px outset;
  border-color: var(--sz-color-button-highlight) var(--sz-color-button-shadow) var(--sz-color-button-shadow) var(--sz-color-button-highlight);
  background: var(--sz-color-button-face);
  color: var(--sz-color-button-text);
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
}

#stop-buttons button:active,
#output-buttons button:active {
  border-style: inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
}

/* ---- Controls section ---- */
#controls-section {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  padding: 4px 0;
}

.type-controls {
  display: flex;
  gap: 6px;
  align-items: center;
}

.type-controls label {
  font-size: 11px;
  font-weight: bold;
}

.type-controls input[type="range"] {
  width: 100px;
}

.type-controls input[type="number"] {
  width: 50px;
  padding: 2px 4px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-size: 11px;
}

.type-controls select {
  padding: 2px 4px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-size: 11px;
}

#repeating-wrap {
  margin-left: auto;
}

#repeating-wrap label {
  font-size: 11px;
  cursor: pointer;
}

/* ---- Stop editor ---- */
#stop-editor {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 4px 0;
}

#stop-editor label {
  font-size: 11px;
  font-weight: bold;
}

/* Color swatch button (launches Color Picker app) */
#stop-color-swatch {
  width: 28px;
  height: 22px;
  padding: 0;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  cursor: pointer;
  background: #ff0000;
}

#stop-hex {
  width: 65px;
  padding: 2px 4px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-family: 'Lucida Console', Consolas, monospace;
  font-size: 11px;
}

#stop-editor input[type="range"] {
  width: 100px;
}

#stop-editor input[type="number"] {
  width: 50px;
  padding: 2px 4px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-size: 11px;
}

#stop-editor span {
  font-size: 11px;
}

/* ---- Output section ---- */
#output-section {
  display: flex;
  gap: 6px;
  align-items: stretch;
}

#css-display-wrap {
  flex: 1;
  min-height: 48px;
  border: 2px inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  overflow: auto;
}

#css-display {
  display: block;
  padding: 4px 6px;
  font-family: 'Lucida Console', Consolas, monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--sz-color-window-text);
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
}

#css-import {
  width: 100%;
  height: 100%;
  resize: none;
  padding: 4px 6px;
  border: none;
  background: var(--sz-color-window);
  color: var(--sz-color-window-text);
  font-family: 'Lucida Console', Consolas, monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---- Syntax highlighting ---- */
.hl-prop { color: #0451a5; }
.hl-fn   { color: #795e26; }
.hl-color { font-weight: bold; }
.hl-color-swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(0,0,0,0.3);
  vertical-align: middle;
  margin-right: 2px;
}
.hl-num  { color: #098658; }
.hl-punc { color: #888; }
.hl-kw   { color: #0000ff; }
.hl-str  { color: #a31515; }

#output-buttons {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

/* ---- Preset picker ---- */
#preset-picker {
  position: relative;
}

#btn-presets {
  padding: 3px 10px;
  border: 2px outset;
  border-color: var(--sz-color-button-highlight) var(--sz-color-button-shadow) var(--sz-color-button-shadow) var(--sz-color-button-highlight);
  background: var(--sz-color-button-face);
  color: var(--sz-color-button-text);
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
  width: 100%;
}

#btn-presets:active,
#btn-presets.active {
  border-style: inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
}

#preset-dropdown {
  display: none;
  position: absolute;
  bottom: 100%;
  right: 0;
  width: 280px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--sz-color-menu);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.25);
  z-index: 500;
  padding: 4px;
}

#preset-dropdown.open {
  display: block;
}

.preset-cat-header {
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  color: var(--sz-color-gray-text);
  padding: 4px 4px 2px;
  letter-spacing: 0.5px;
}

.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 2px 0 4px;
}

.preset-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  text-align: left;
  color: var(--sz-color-menu-text);
  font-size: 10px;
}

.preset-item:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
  border-color: var(--sz-color-highlight);
}

.preset-swatch {
  display: block;
  width: 36px;
  height: 16px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  flex-shrink: 0;
}

.preset-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

#btn-import.active {
  border-style: inset;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

/* ---- 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-shadow);
  min-width: 300px;
  max-width: 450px;
  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: flex-end;
  gap: 6px;
  padding: 8px 12px;
}

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