/* Shared header: logo, concise navigation and the direct setup entry. No hidden mobile menu. */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-header-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  min-height: 94px;
  padding-block: 12px;
}

.site-brand {
  display: block;
  width: 180px;
}

.brand-logo-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .brand-logo-light {
    display: none;
  }

  :root:not([data-theme='light']) .brand-logo-dark {
    display: block;
  }

  :root:not([data-theme='light']) .theme-icon-moon {
    display: none;
  }

  :root:not([data-theme='light']) .theme-icon-sun {
    display: block;
  }
}

:root[data-theme='dark'] .brand-logo-light {
  display: none;
}

:root[data-theme='dark'] .brand-logo-dark {
  display: block;
}

:root[data-theme='dark'] .theme-icon-moon {
  display: none;
}

:root[data-theme='dark'] .theme-icon-sun {
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-grid;
  flex: 0 0 44px;
  place-items: center;
  width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  color: var(--indigo);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--indigo);
  background: var(--tint);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--accent-line);
  outline-offset: 2px;
}

.theme-icon {
  grid-area: 1 / 1;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon-sun {
  display: none;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-block: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--indigo);
  text-decoration: underline;
}

.header-download[aria-current='page'] {
  box-shadow: 0 0 0 3px var(--tint);
}

.header-download {
  white-space: nowrap;
}

@media (max-width: 900px) {
  .site-header-inner {
    gap: 20px;
  }
  .site-brand {
    width: 150px;
  }
  .site-nav ul {
    gap: 8px 20px;
  }
}

@media (max-width: 800px) {
  .site-header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 16px;
    padding-block: 12px 6px;
  }
  .site-brand {
    grid-row: 1;
    grid-column: 1;
    width: min(145px, 100%);
  }
  .site-nav {
    grid-row: 2;
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    padding-top: 4px;
  }
  .site-nav ul {
    justify-content: space-between;
    gap: 4px 16px;
  }

  .header-actions {
    grid-row: 1;
    grid-column: 2;
    justify-self: end;
  }

  .header-download {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 13px;
  }
}

@media (max-width: 360px) {
  .site-header-inner {
    gap: 8px;
  }

  .site-brand {
    width: 92px;
  }

  .site-nav ul {
    gap: 2px 8px;
  }

  .site-nav a,
  .header-download {
    font-size: 12px;
  }

  .header-download {
    padding-inline: 9px;
  }
}