/* Preloader halaman awal — tampil sampai window.load */
.klinik-preloader {
    position: fixed;
    inset: 0;
    z-index: 10060;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        160deg,
        var(--klinik-surface, #f4fbfe) 0%,
        #e8f7fc 50%,
        #eef9f2 100%
    );
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.klinik-preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.klinik-preloader-content {
    text-align: center;
    padding: 2rem 2.25rem;
    max-width: 320px;
}

.klinik-preloader-logo {
    width: 120px;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    display: block;
    margin: 0 auto 1.25rem;
    animation: klinik-preloader-pulse 1.6s ease-in-out infinite;
}

.klinik-preloader-spinner {
    width: 44px;
    height: 44px;
    margin: 0 auto 0.85rem;
    border: 4px solid rgba(64, 179, 216, 0.2);
    border-top-color: var(--klinik-primary, #40b3d8);
    border-radius: 50%;
    animation: klinik-preloader-spin 0.75s linear infinite;
}

.klinik-preloader-text {
    margin: 0;
    font-family: "Nunito", "Source Sans Pro", sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--klinik-primary-darker, #2d8aa8);
}

.klinik-preloader-subtext {
    margin: 0.35rem 0 0;
    font-family: "Nunito", "Source Sans Pro", sans-serif;
    font-size: 0.85rem;
    color: rgba(26, 54, 93, 0.65);
}

body.klinik-preloader-active {
    overflow: hidden;
}

@keyframes klinik-preloader-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes klinik-preloader-pulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.04);
    }
}