.page-permissions {
  --page-width: 980px;
}

.permissions-nav {
  gap: 12px;
}

.permissions-nav .nav-links {
  margin-left: auto;
}

.language-switcher {
  position: relative;
}

.language-switcher > summary {
  list-style: none;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  color: var(--text);
  background: var(--surface);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.language-switcher > summary::before {
  content: "文/A";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 16px;
  padding: 0 3px;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  opacity: 0.88;
}

.language-switcher > summary::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.language-switcher > summary::-webkit-details-marker {
  display: none;
}

.language-switcher__panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 50;
  width: min(220px, calc(100vw - 36px));
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-solid);
  box-shadow: var(--shadow-hard);
}

.language-switcher:not([open]) .language-switcher__panel {
  display: none;
}

.language-switcher__panel button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 12px;
  color: var(--text);
  background: transparent;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.language-switcher__panel button:hover,
.language-switcher__panel button[aria-pressed="true"] {
  border-color: var(--line-strong);
  background: var(--surface-strong);
}

.permissions-page {
  padding: 38px 0 72px;
}

.permissions-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 30px;
  align-items: end;
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--line);
}

.permissions-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.02;
}

.permissions-hero p:last-child {
  margin: 0;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.62;
}

.permission-explorer {
  padding-top: 48px;
}

.permission-segments {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 4px 0 0;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
}

/* Keep permission text sections line-based without filled blocks. */
.permission-segments,
.permission-segment,
.permission-overview,
.permission-visual,
.permission-detail,
.permission-callout {
  background: transparent !important;
}

.permission-segment {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0 2px;
  color: var(--muted);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

.permission-segment:hover {
  color: var(--text);
}

.permission-segment.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.permission-segment__mark,
.permission-panel__mark {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: inherit;
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}

.permission-panel {
  display: grid;
  gap: 24px;
  padding-top: 20px;
}

.permission-overview {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.permission-panel__title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.permission-panel__title h3 {
  margin: 0;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.04;
}

.permission-intro {
  margin: 0;
  max-width: 86ch;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.62;
}

.permission-settings {
  width: fit-content;
}

.permission-visual {
  margin: 0;
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.permission-visual img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.permission-visual figcaption strong,
.permission-visual__text strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.permission-visual figcaption p,
.permission-visual__text p {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
}

.permission-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.permission-detail,
.permission-callout {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.permission-detail h4,
.permission-callout h4 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.3;
}

.permission-detail p,
.permission-callout p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.permission-detail ol,
.permission-detail ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.permission-detail li + li {
  margin-top: 7px;
}

.permissions-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-top: 58px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.permissions-footer h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.14;
}

.permissions-footer p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 980px) {
  .permissions-hero,
  .permission-detail-grid,
  .permissions-footer {
    grid-template-columns: 1fr;
  }

  .footer-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .permissions-page {
    padding-top: 28px;
  }

  .language-switcher {
    margin-left: auto;
  }

  .language-switcher > summary {
    max-width: 112px;
    padding: 0 11px;
  }

  .language-switcher [data-active-language] {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .language-switcher .language-switcher__panel {
    right: auto;
    left: 0;
  }

  .permission-segments {
    gap: 10px;
  }

  .footer-actions {
    display: grid;
    width: 100%;
  }
}