/* SPDX-License-Identifier: Apache-2.0 */
/* Segmented DE / EN pill switcher and single-language sidebar filtering for MkDocs Material */

.sp-lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  margin: 0 0.45rem;
  border-radius: 10px;
  background-color: #e4e7ee;
  border: 1px solid rgba(15, 23, 42, 0.08);
  align-self: center;
  flex-shrink: 0;
  user-select: none;
}

[data-md-color-scheme="slate"] .sp-lang-switch {
  background-color: #1e293b;
  border-color: rgba(248, 250, 252, 0.14);
}

.sp-lang-switch__btn {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  margin: 0;
  padding: 0 0.68rem;
  height: 1.7rem;
  min-width: 2.35rem;
  border-radius: 7px;
  background: transparent;
  color: #64748b;
  font-family: var(--md-text-font-family, inherit);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.sp-lang-switch__btn:hover {
  color: #1e293b;
}

[data-md-color-scheme="slate"] .sp-lang-switch__btn {
  color: #94a3b8;
}

[data-md-color-scheme="slate"] .sp-lang-switch__btn:hover {
  color: #f1f5f9;
}

.sp-lang-switch__btn[aria-pressed="true"] {
  background-color: #ffffff;
  color: #0f172a;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.04);
}

[data-md-color-scheme="slate"] .sp-lang-switch__btn[aria-pressed="true"] {
  background-color: #334155;
  color: #f8fafc;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.sp-lang-switch__btn:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 1px;
}

/* Hide duplicate navigation items belonging exclusively to the inactive language */
html[data-sp-lang="de"] .md-nav__item[data-sp-only-lang="en"],
html[data-sp-lang="en"] .md-nav__item[data-sp-only-lang="de"] {
  display: none !important;
}