.demo-mode-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.demo-mode-icon,
.demo-mode-banner-icon {
  width: 17px;
  height: 17px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#demoModeBtn.active {
  border-color: color-mix(in srgb, var(--clr-warning) 70%, transparent);
  background: color-mix(in srgb, var(--clr-warning) 14%, var(--clr-paper));
  color: var(--clr-warning);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--clr-warning) 18%, transparent);
}

.demo-mode-banner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 9px 11px;
  border: 1px solid color-mix(in srgb, var(--clr-warning) 42%, var(--clr-border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--clr-warning) 9%, var(--clr-paper));
  color: var(--clr-text);
  box-shadow: var(--shadow-md);
}

.demo-mode-banner[hidden] { display: none; }

.demo-mode-banner-icon {
  width: 20px;
  height: 20px;
  color: var(--clr-warning);
}

.demo-mode-banner strong,
.demo-mode-banner span { display: block; }
.demo-mode-banner strong { font-size: var(--fs-sm); }
.demo-mode-banner span { margin-top: 1px; color: var(--clr-text-secondary); font-size: var(--fs-xs); }

body.demo-mode-active .demo-action-locked {
  border-style: dashed;
  opacity: 0.58;
  cursor: not-allowed;
}

body.demo-mode-active [data-demo-chart-masked="true"] {
  position: relative;
  isolation: isolate;
}

body.demo-mode-active [data-demo-chart-masked="true"] canvas {
  filter: blur(10px) saturate(0.55);
  opacity: 0.32;
}

body.demo-mode-active [data-demo-chart-masked="true"]::after {
  content: "图表数值已隐藏";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  transform: translate(-50%, -50%);
  padding: 7px 10px;
  border: 1px solid var(--clr-border-2);
  border-radius: 8px;
  background: color-mix(in srgb, var(--clr-paper) 92%, transparent);
  color: var(--clr-text-secondary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

body.demo-mode-active dialog input[type="number"],
body.demo-mode-active dialog input[type="date"],
body.demo-mode-active dialog input[type="datetime-local"],
body.demo-mode-active dialog input[inputmode="numeric"],
body.demo-mode-active dialog input[inputmode="decimal"] {
  color: transparent !important;
  text-shadow: 0 0 8px var(--clr-text-secondary);
}

@media (max-width: 820px) {
  .demo-mode-banner { grid-template-columns: auto minmax(0, 1fr); }
  .demo-mode-banner .button { grid-column: 1 / -1; width: 100%; }
}

@media print {
  .demo-mode-banner,
  #demoModeBtn { display: none !important; }
}