html {
    background-color: #fff;
}

body.admin-interface,
body.admin-interface #container {
    background-color: #fff;
}

.panel-nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 100000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease;
}

.panel-nav-progress.is-active {
    opacity: 1;
}

.panel-nav-progress__bar {
    height: 100%;
    width: 0;
    border-radius: 0 2px 2px 0;
    background: linear-gradient(90deg, #2f6f8f 0%, #417690 45%, #5fa4c4 100%);
    box-shadow: 0 0 10px rgba(65, 118, 144, 0.55);
    transition: width 0.14s ease-out;
    will-change: width;
}

.panel-nav-progress.is-complete .panel-nav-progress__bar {
    width: 100% !important;
    opacity: 0;
    transition: width 0.18s ease-out, opacity 0.28s ease 0.08s;
}

/* Subtle work-area feedback while the next page is loading */
html.panel-nav-busy #content,
#content.is-panel-nav-loading {
    position: relative;
    pointer-events: none;
    transition: opacity 0.2s ease;
    opacity: 0.96;
}

html.panel-nav-busy #content::before,
#content.is-panel-nav-loading::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: rgba(255, 255, 255, 0.22);
    transition: opacity 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
    .panel-nav-progress,
    .panel-nav-progress__bar,
    html.panel-nav-busy #content,
    html.panel-nav-busy #content::before,
    #content.is-panel-nav-loading,
    #content.is-panel-nav-loading::before {
        transition: none;
    }
}