/* ===== 设置 ===== */
.settings-screen {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 35;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 20, 0.95);
  backdrop-filter: blur(8px);
}

.settings-content {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.setting-row label {
  color: var(--color-text);
  font-size: 21px;
  min-width: 180px;
}

.setting-row input[type="range"] {
  flex: 1;
  max-width: 260px;
  -webkit-appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  outline: none;
}

.setting-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
}

.toggle-btn {
  padding: 8px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: var(--color-text);
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  background: rgba(123, 104, 238, 0.15);
  border-color: var(--color-accent);
}