.help-button,
.language-toggle,
.theme-toggle {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: inline-grid;
  place-items: center;
  border: 2px solid var(--pop-line);
  border-radius: 50%;
  background: var(--color-paper-raised);
  color: var(--color-ink);
  font: 800 1.05rem/1 var(--font-display), system-ui, sans-serif;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.help-button:hover,
.help-button:focus-visible,
.language-toggle:hover,
.language-toggle:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: var(--color-accent-tint);
  color: var(--color-accent-ink);
  outline: none;
}

.language-toggle {
  font-size: 1.15rem;
}

.language-toggle svg {
  width: 22px;
  height: 16px;
  display: block;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* Keep the theme switch in the top-right corner, after help and language. */
.language-toggle { order: 1; }
.theme-toggle { order: 2; }

.language-toggle-modal {
  position: absolute;
  top: 18px;
  right: 18px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.site-header .header-tools {
  margin-left: 8px;
}

.grid-nav .header-tools {
  margin-left: auto;
}

.help-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--color-scrim);
  backdrop-filter: blur(6px);
}

.help-overlay.open {
  display: flex;
}

.help-dialog {
  width: min(560px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow-y: auto;
  position: relative;
  border: 2px solid var(--pop-line);
  border-radius: 22px;
  padding: 30px;
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.help-dialog h2 {
  margin: 0 42px 14px 0;
  color: var(--color-ink);
  font: 800 1.6rem/1.15 var(--font-display), system-ui, sans-serif;
}

.help-dialog p,
.help-dialog li {
  font: 500 0.98rem/1.55 var(--font-body), system-ui, sans-serif;
  color: var(--color-ink-2);
}

.help-dialog ul {
  margin: 14px 0 0;
  padding-left: 22px;
}

.help-dialog li + li {
  margin-top: 8px;
}

.help-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border: 2px solid var(--pop-line);
  border-radius: 50%;
  background: var(--color-paper-sunken);
  color: var(--color-ink);
  font-size: 1.25rem;
  cursor: pointer;
}

.help-close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .help-button,
  .language-toggle,
  .theme-toggle {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .help-dialog {
    padding: 24px 20px;
    border-radius: 18px;
  }
}