* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #003580 0%, #0057b8 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.preloader {
    background-color: #00000094 !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: none; /* hidden by default, shown via JS */
    z-index: 9999; /* above all content */

    /* center loader */
    display: flex;
    align-items: center;
    justify-content: center;
}

    .preloader img {
        width: 118px;
    }

.loader-container {
    position: relative;
    width: 100px;
    height: 100px;
}
.bed-icon,
.dots-spin {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.dots-spin {
    animation: spin 2s linear infinite;
    transform-origin: center center;
}

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