.kira-effects-canvas {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: block;
  pointer-events: none;
}
.kira-effects-canvas[hidden] { display: none; }
.kira-seasonal-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  display: block;
  pointer-events: none;
}
.kira-seasonal-canvas[hidden] { display: none; }
.kira-effects-settings {
  min-width: 0;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border: 0;
  border-top: 1px solid var(--line, #dedede);
}
.kira-effects-settings legend {
  padding: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #626262);
}
.kira-effects-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 5px;
  font-size: 13px;
  color: var(--text, #252525);
  cursor: pointer;
}
.kira-effects-switch {
  appearance: none;
  position: relative;
  flex: 0 0 36px;
  width: 36px;
  height: 21px;
  margin: 0;
  border: 1px solid var(--line-strong, #bcbcbc);
  border-radius: 20px;
  background: var(--card-strong, #f2f2f2);
  cursor: pointer;
}
.kira-effects-switch::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--text-muted, #626262);
  transition: transform .18s ease, background-color .18s ease;
}
.kira-effects-switch:checked { border-color: #b69755; background: linear-gradient(135deg, #43735c, #244d40); }
.kira-effects-switch:checked::before { transform: translateX(15px); background: linear-gradient(135deg, #fff2c5, #c59a49); box-shadow: 0 0 4px rgba(218, 178, 91, .3); }
.kira-effects-switch:disabled { opacity: .45; cursor: not-allowed; }
.kira-effects-note {
  margin: 7px 0 0;
  color: var(--text-muted, #626262);
  font-size: 11px;
  line-height: 1.7;
}
@media (prefers-reduced-motion: reduce) {
  .kira-effects-canvas, .kira-seasonal-canvas { display: none !important; }
  .kira-effects-switch::before { transition: none; }
}