.ds-theme-lab,
.ds-theme-lab--collapsed {
  display: none !important;
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 9400;
  width: min(360px, calc(100vw - 32px));
  padding: 12px 14px 10px;
  border-radius: 14px;
  border: 1px solid rgba(24, 24, 27, 0.12);
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.4) inset;
  backdrop-filter: blur(12px);
  color: #18181b;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

html[data-ds-mode="dark"] .ds-theme-lab {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(24, 24, 27, 0.92);
  color: #f4f4f5;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.ds-theme-lab--collapsed {
  width: auto;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.ds-theme-lab__fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(24, 24, 27, 0.12);
  background: rgba(255, 255, 255, 0.96);
  color: #18181b;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.14);
}

html[data-ds-mode="dark"] .ds-theme-lab__fab {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(24, 24, 27, 0.94);
  color: #f4f4f5;
}

.ds-theme-lab__fab:focus-visible,
.ds-theme-lab__icon-btn:focus-visible,
.ds-theme-lab__mode-btn:focus-visible,
.ds-theme-lab__theme:focus-visible {
  outline: 2px solid #5e6ad2;
  outline-offset: 2px;
}

.ds-theme-lab__fab-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
}

.ds-theme-lab__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.ds-theme-lab__title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.ds-theme-lab__title {
  margin: 0;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.ds-theme-lab__badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(94, 106, 210, 0.12);
  color: #5e6ad2;
}

html[data-ds-mode="dark"] .ds-theme-lab__badge {
  background: rgba(130, 143, 255, 0.18);
  color: #a5b0ff;
}

.ds-theme-lab__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.ds-theme-lab__icon-btn:hover {
  background: rgba(24, 24, 27, 0.06);
}

html[data-ds-mode="dark"] .ds-theme-lab__icon-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ds-theme-lab__mode {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.ds-theme-lab__mode-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(24, 24, 27, 0.1);
  background: rgba(24, 24, 27, 0.03);
  color: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

html[data-ds-mode="dark"] .ds-theme-lab__mode-btn {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.ds-theme-lab__mode-btn.is-active {
  border-color: transparent;
  background: #18181b;
  color: #fff;
}

html[data-ds-mode="dark"] .ds-theme-lab__mode-btn.is-active {
  background: #f4f4f5;
  color: #18181b;
}

.ds-theme-lab__mode-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ds-theme-lab__themes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
}

.ds-theme-lab__theme {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(24, 24, 27, 0.1);
  background: rgba(24, 24, 27, 0.02);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

html[data-ds-mode="dark"] .ds-theme-lab__theme {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.ds-theme-lab__theme.is-active {
  border-color: currentColor;
  box-shadow: 0 0 0 1px currentColor;
}

.ds-theme-lab__swatch {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.ds-theme-lab__theme-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.ds-theme-lab__theme-name {
  font-size: 12px;
  font-weight: 650;
}

.ds-theme-lab__theme-cat {
  font-size: 10px;
  opacity: 0.65;
}

.ds-theme-lab__hint {
  margin: 10px 0 6px;
  font-size: 11px;
  line-height: 1.45;
  opacity: 0.72;
}

.ds-theme-lab__expand-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  justify-content: center;
  min-height: 32px;
  border: none;
  background: transparent;
  color: inherit;
  font-size: 11px;
  opacity: 0.7;
  cursor: pointer;
}

.ds-theme-lab__expand-hint:hover {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .ds-theme-lab,
  .ds-theme-lab__fab {
    transition: none;
  }
}