#header-container {
    min-height: 81px; /* Header'ınızın yaklaşık yüksekliği */
}

#header-container {
    /*position: fixed;*/
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Spinner Animation */
.loader-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alternatif: GIF kullanmak isterseniz */
.loader-gif {
    max-width: 100px;
    max-height: 100px;
}