.theme-toggle {
  position: fixed;
  right: 12px;
  bottom: 12px;
  z-index: 10001;
  min-height: 34px;
  min-width: 64px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.82);
  color: #e2e8f0;
  font: 600 12px/1.1 Inter, system-ui, sans-serif;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.35);
}

.theme-toggle:hover {
  border-color: rgba(56, 189, 248, 0.5);
}

html[data-theme="light"] .theme-toggle {
  background: rgba(255, 255, 255, 0.9);
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.18);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.15);
}