/* Lexicon Header */
.lexicon-header {
    background: var(--glass-primary);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--border-glass);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent-rose-gold);
}

.header-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
}