:root {
    --zk-loader-primary: #0ea5e9;
    --zk-loader-secondary: #10b981;
    --zk-loader-text: #0f172a;
    --zk-loader-muted: #64748b;
}

html.zk-loader-lock,
html.zk-loader-lock body {
    overflow: hidden !important;
}

.zk-page-loader {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, .24);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    opacity: 1;
    visibility: visible;
    transition: opacity .22s ease, visibility .22s ease;
}

.zk-page-loader.is-hidden {
    display: none;
}

.zk-page-loader.is-leaving {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.zk-loader-card {
    width: min(88vw, 310px);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 22px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 24px 65px rgba(15, 23, 42, .18);
}

.zk-loader-visual {
    position: relative;
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    display: grid;
    place-items: center;
}

.zk-loader-spinner {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--zk-loader-primary);
    border-right-color: var(--zk-loader-secondary);
    animation: zkLoaderSpin .9s linear infinite;
}

.zk-loader-logo-shell {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(14, 165, 233, .14);
}

.zk-loader-logo-shell img {
    display: block;
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.zk-loader-copy {
    min-width: 0;
    text-align: left;
}

.zk-loader-title {
    margin: 0;
    color: var(--zk-loader-text);
    font-size: 15px;
    line-height: 1.35;
    font-weight: 800;
}

.zk-loader-subtitle {
    margin: 4px 0 0;
    color: var(--zk-loader-muted);
    font-size: 12px;
    line-height: 1.45;
    font-weight: 600;
}

@keyframes zkLoaderSpin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .zk-loader-spinner {
        animation-duration: 1.8s;
    }

    .zk-page-loader {
        transition: none;
    }
}