/* 로고 스타일 */
.logo-container,
.logo-area {
    display: flex;
    align-items: center;
}

.logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    margin-right: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--primary-color);
}

.logo img {
    max-width: 100%;
    max-height: 100%;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #111;
}

/* ===== 헤더/네비게이션 ===== */
.header,
.tubelab-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: #FFFFFF;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center; /* 가운데 정렬 추가 */
    padding: 0 20px;
    transition: all 0.3s;
}