/* header/header.css */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  color: var(--text);
  text-decoration: none;
  margin: 0;
  padding: 0;
}

.nav {
  display: flex;
  align-items: center;
}

.nav a {
  padding: 0 1rem;
  color: var(--subtext);
  text-decoration: none;
  font-size: .9rem;
  border-right: 1px solid var(--border);
}

.nav a:last-of-type {
  border-right: none;
}

.search-box {
  margin-left: 1rem;
  padding: .4rem .6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: .85rem;
}

.theme-toggle {
  margin-left: 1rem;
  padding: .4rem .8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  font-size: .8rem;
}