:root {
  color-scheme: light dark;
  --panel-bg: #ffffff;
  --panel-fg: #0f172a;
  --muted-fg: #475569;
  --accent: #3b82f6;
  --accent-contrast: #ffffff;
  --border: #e2e8f0;
  --surface: #f8fafc;
  --surface-2: #f1f5f9;
  --outline: #0b85d7;
  --danger: #ef4444;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] {
  --panel-bg: #0b1020;
  --panel-fg: #e5e7eb;
  --muted-fg: #94a3b8;
  --accent: #60a5fa;
  --accent-contrast: #0b1020;
  --border: #1f2937;
  --surface: #0f172a;
  --surface-2: #111827;
  --outline: #0b85d7;
  --danger: #f87171;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.cex-hidden {
  display: none !important;
}

/* Selector toggle button */
#cex-select-btn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 2147483645;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #312E81;
  color: var(--panel-fg);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font: 600 14px/1.2 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  color: #fff;
  border: 2px solid #312E81;
  padding: 0;
}

#cex-select-btn svg {
  fill: currentColor;
  width: 28px;
  height: 28px;
}

#cex-select-btn:hover {
  transform: translateY(-1px);
  background: #312E81;
  color: #fff;
}

#cex-select-btn.cex-active-btn {
  background: #312E81;
  color: #fff;
}

/* Hover outline for selection mode */
.cex-outline {
  outline: 2px solid var(--outline) !important;
  background-color: rgba(224, 239, 254, 0.25);
  outline-offset: 2px !important;
  cursor: crosshair !important;
}

/* Right panel container */
#cex-panel {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 420px;
  max-width: 100vw;
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 2147483644;
}

#cex-panel.active {
  transform: translateX(0);
}

/* Panel chrome */
#cex-panel .cex-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100%;
  background: var(--panel-bg);
  color: var(--panel-fg);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* Header */
#cex-panel .cex-header {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

#cex-panel .cex-title {
  font-weight: 700;
  letter-spacing: .2px;
}

#cex-panel .cex-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

#cex-panel .cex-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--panel-fg);
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}

#cex-panel .cex-icon-btn:hover {
  background: var(--surface);
}

/* Path controls under header */
#cex-panel .cex-path {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 8px;
  padding: 10px 14px;
  grid-column-gap: 10px;
  border-bottom: 1px solid var(--border);
}

#cex-panel input[type="text"],
#cex-panel textarea,
#cex-panel select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--panel-bg);
  color: var(--panel-fg);
  padding: 5px;
  font: 500 13px/1.3 ui-sans-serif, system-ui;
  transition: border-color .15s ease, background .2s ease, color .2s ease;
}

#cex-panel textarea {
  min-height: 120px;
  resize: vertical;
}

#cex-panel input[type="text"]:focus-visible,
#cex-panel textarea:focus-visible,
#cex-panel select:focus-visible {
  outline: none;
}

#cex-panel input[type="text"]:focus,
#cex-panel textarea:focus,
#cex-panel select:focus {
  border: 1px solid var(--accent);
}

/* Content area (scrollable) */
#cex-panel .cex-content {
  overflow-y: auto;
  padding: 12px 14px;
}

/* Footer */
#cex-panel .cex-footer {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

#cex-panel .cex-footer-actions {
  display: flex;
  gap: 8px;
}

#cex-panel .cex-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--panel-fg);
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

#cex-panel .cex-btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

#cex-panel .cex-btn.danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

#cex-panel .cex-btn:hover {
  filter: brightness(1.05);
}

/* Collapsible panels */
.cex-panel {
  border: 1px solid var(--border);
  border-radius: 5px;
  margin-bottom: 12px;
  _overflow: hidden;
  background: var(--panel-bg);
}

.cex-panel-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--surface);
  cursor: pointer;
}

.cex-panel-title {
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
}

.cex-panel-toggle {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 0px solid var(--border);
  background: transparent;
  color: var(--panel-fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cex-panel-body {
  display: none;
  padding: 12px;
}

.cex-panel.open .cex-panel-body {
  display: block;
}

/* Tabs for regular/hover controls */
.cex-tabs {
  display: grid;
  grid-template-rows: auto 1fr;
}

.cex-tablist {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.cex-tab {
  padding: 6px 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--panel-fg);
  font-weight: 600;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  transition: all 0.1s ease-in-out;
}

.cex-tab.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.cex-tabpanel {
  display: none;
}

.cex-tabpanel.active {
  display: block;
}

/* Compact field rows */
.cex-field-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.cex-label {
  color: var(--panel-fg);
  font-weight: 600;
  font-size: 13px;
}

.cex-unit {
  display: grid;
  grid-template-columns: 1fr 35%;
  gap: 8px;
}

/* Exclusion class for highlight */
.cex-ui,
#cex-panel,
#cex-select-btn {
  pointer-events: auto;
}

/* Prevent highlight effects on our own UI elements */
.cex-ui,
#cex-panel *,
#cex-select-btn {
  isolation: isolate;
}

/* Utility */
.cex-kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 12px;
}

.cex-footer-actions {
  display: flex;
  gap: 8px;
}

.cex-footer-actions .cex-btn {
  flex: 1;
}

.cex-tabs h4 {
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  padding-bottom: 5px;
  text-transform: uppercase;
}

.cex-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background-color: transparent;
  border-radius: 5px;
  color: var(--muted-fg);
  transition: all 0.1s ease-in-out;
  border: 0;
  padding: 0;
}

.cex-link-button svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.cex-link-button.cex-active {
  color: var(--accent);
}

#cex-float-controls .cex-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--panel-fg);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
}

#cex-float-controls .cex-btn label {
  cursor: pointer;
}

#cex-float-controls .cex-btn svg {
  width: 18px;
  height: 18px;
  margin-right: 5px;
  stroke: currentColor;
}

#cex-float-controls .cex-btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

#cex-float-controls .cex-btn.danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

#cex-float-controls .cex-btn:hover {
  filter: brightness(1.05);
}

.cex-ui-pathpicker {
  border-radius: 5px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 16px;
}

.cex-ui-pathpicker-header>div {
  font-size: 14px;
  text-transform: uppercase;
}

.cex-icon-btn,
.cex-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1em;
  min-height: 30px;
  margin: 0;
  padding: 0 5px;
  cursor: pointer;
  border-width: 1px;
  border-style: solid;
  -webkit-appearance: none;
  border-radius: 3px;
  white-space: nowrap;
  box-sizing: border-box;
  color: #2271b1;
  border-color: #2271b1;
  background: #f6f7f7;
  vertical-align: top;
}

.cex-btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}