/* ==========================================================================
   Header — MyRoomTool Blog
   Component styles only. Colors, type, spacing, container → Foundation.
   ========================================================================== */

.site-header {
  width: 100%;
  background-color: var(--color-bg);
}

.site-header__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  padding-block: var(--space-m);
}

.site-header__brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  line-height: 0;
}

.site-header__logo {
  width: auto;
  height: 36px;
  max-width: 140px;
  object-fit: contain;
  border-radius: 0;
}

.site-header__nav {
  flex: 1 1 auto;
  min-width: 0;
}

.site-header__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs) var(--space-l);
}

.site-header__link {
  display: inline-block;
  color: var(--color-text);
  transition: color var(--duration-normal) var(--ease-standard);
}

.site-header__link:hover {
  color: var(--color-accent);
  opacity: 1;
}

.site-header__link[aria-current="page"] {
  color: var(--color-accent);
}

.site-header__tools {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-s);
}

.site-header__lang {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.site-header__lang-btn {
  min-width: 2.5rem;
  padding: var(--space-xs) var(--space-s);
  color: var(--color-text);
  background-color: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-standard),
    color var(--duration-normal) var(--ease-standard);
}

.site-header__lang-btn.is-active,
.site-header__lang-btn[aria-pressed="true"] {
  color: var(--color-on-accent);
  background-color: var(--color-accent);
}

.site-header__lang-btn:hover:not(.is-active):not([aria-pressed="true"]) {
  color: var(--color-accent);
}

/* Desktop-first: keep bar readable when width shrinks (no burger yet) */
@media (max-width: 768px) {
  .site-header__bar {
    gap: var(--space-s);
    padding-block: var(--space-s);
  }

  .site-header__logo {
    height: 28px;
  }

  .site-header__nav {
    flex: 1 1 100%;
    order: 3;
  }

  .site-header__list {
    justify-content: flex-start;
    gap: var(--space-s) var(--space-m);
  }

  .site-header__tools {
    margin-inline-start: auto;
  }
}