/* 공통 헤더 스타일 */
#common-header {
    position: fixed;
    top: 0;
    width: 100%;
    max-width: 450px;
    height: 60px;
    background-color: #131217;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    left: 50%;
    transform: translateX(-50%);
}

#common-header .back-button {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

#common-header .page-title {
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    flex: 1;
    text-align: left;
    margin-left: 10px;
}

#common-header .logo {
    cursor: pointer;
}

#common-header .logo img {
    height: 30px;
    width: auto;
}

#common-header .hamburger {
    width: 24px;
    height: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

#common-header .hamburger span {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s ease;
}