body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: var(--spacing-sm);
  top: -60px;
  z-index: 200;
  padding: 8px 14px;
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus-visible { top: var(--spacing-sm); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-text {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: var(--spacing-xl);
}

/* Hamburger — hidden on desktop, shown when the nav collapses */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 calc(-1 * var(--spacing-xs)) 0 auto;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: background var(--transition-fast);
}
.nav-toggle:hover { background: var(--color-hover); }

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-name {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.btn-logout {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 5px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  color: var(--color-text-secondary);
  border-color: var(--color-text-dim);
}

#main-content {
  min-height: calc(100vh - var(--header-height));
}

.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

/* Data-dense surfaces (catalogue, collection, makers) use the full width. */
.page-container--wide {
  max-width: var(--max-width-wide);
}

/* Reading surfaces (journal post, guide, about) hold a comfortable measure. */
.page-container--prose {
  max-width: var(--max-width-prose);
}

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}
.page-title--icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.page-title--icon .icon { color: var(--color-accent); flex-shrink: 0; }

.page-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
  .main-nav {
    gap: var(--spacing-lg);
  }

  .header-inner {
    padding: 0 var(--spacing-md);
  }

  .page-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

/* Collapse the nav into a toggled drawer on narrow screens */
@media (max-width: 640px) {
  .header-inner { position: relative; }

  .nav-toggle { display: inline-flex; }

  .main-nav {
    position: absolute;
    top: calc(var(--header-height) - 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
    display: none;
  }
  .main-nav.is-open { display: flex; }

  .main-nav .nav-link {
    display: block;
    padding: 13px var(--spacing-md);
    border-bottom: 1px solid var(--color-border-subtle);
  }
  .main-nav .nav-link:last-child { border-bottom: none; }
  .main-nav .nav-link.active::after { display: none; }

  /* The login button sits between logo and toggle; keep order tidy */
  .header-actions { order: 0; }
}