nav {
  border-bottom: 0.5px solid var(--border);
  padding: 0.9rem 0;
}

.nav-inner {
  margin: 0 auto;
  max-width: 1560px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 1.6rem;
  color: var(--text);
}

.nav-prompt {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--accent);
}

.nav-lang {
    position: relative;
    font-family: var(--font-mono, monospace);
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: 0.5px solid #2e2e33;
    border-radius: 8px;
    padding: 6px 10px;
    color: #c9c9cf;
    font: inherit;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.lang-trigger:hover {
    border-color: #46464c;
    color: #e9e9ec;
}

.flag {
    display: inline-flex;
    width: 20px;
    height: 14px;
    border-radius: 3px;
    overflow: hidden;
    flex-shrink: 0;
}
.flag svg {
    width: 100%;
    height: 100%;
    display: block;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 150px;
    background: #1f1f23;
    border: 0.5px solid #2e2e33;
    border-radius: 10px;
    padding: 4px;
    display: none;
    z-index: 50;
}
.nav-lang.open .lang-menu {
    display: block;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: none;
    border: none;
    border-radius: 6px;
    padding: 8px 10px;
    color: #b9b9c0;
    font: inherit;
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}
.lang-option:hover {
    background: #2a2a30;
    color: #e9e9ec;
}
.lang-option.is-active {
    color: #7f77dd;
}
.lang-option.is-active .lang-name {
    font-weight: 500;
}