:root {
    --qv-dynamic-accent: #d7352a;
    --qv-dynamic-bg: #090909;
    --qv-dynamic-line: rgba(255,255,255,.15);
}

html.qv-dynamic-busy {
    cursor: progress;
}

html.qv-dynamic-busy::before {
    content: "";
    position: fixed;
    z-index: 2147483646;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    transform-origin: left center;
    background: linear-gradient(90deg, transparent 0%, var(--qv-dynamic-accent) 18%, #fff 48%, var(--qv-dynamic-accent) 78%, transparent 100%);
    animation: qv-dynamic-progress 1.05s cubic-bezier(.45,0,.2,1) infinite;
    box-shadow: 0 0 18px rgba(215,53,42,.45);
    pointer-events: none;
}

html.qv-dynamic-busy body {
    cursor: progress;
}

html.qv-dynamic-busy button[type="submit"],
html.qv-dynamic-busy input[type="submit"] {
    cursor: progress;
}

.qv-dynamic-status {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 2147483645;
    min-width: 130px;
    max-width: min(320px, calc(100vw - 40px));
    padding: 10px 13px;
    border: 1px solid var(--qv-dynamic-line);
    border-left-color: var(--qv-dynamic-accent);
    background: rgba(8,8,8,.94);
    color: #f4f1eb;
    font: 600 10px/1.3 "IBM Plex Mono", monospace;
    letter-spacing: .12em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .16s ease, transform .16s ease;
    pointer-events: none;
    box-shadow: 0 16px 42px rgba(0,0,0,.36);
}

.qv-dynamic-status::before {
    content: "//";
    margin-right: 8px;
    color: var(--qv-dynamic-accent);
}

.qv-dynamic-status.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.qv-dynamic-fallback-notice {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 2147483645;
    width: min(560px, calc(100vw - 32px));
    padding: 13px 16px;
    transform: translate(-50%, 10px);
    opacity: 0;
    border: 1px solid rgba(255,255,255,.16);
    border-left: 3px solid #6d7786;
    background: rgba(8,8,8,.96);
    color: #f4f1eb;
    font: 500 12px/1.55 "IBM Plex Mono", monospace;
    transition: opacity .18s ease, transform .18s ease;
    box-shadow: 0 18px 55px rgba(0,0,0,.45);
}

.qv-dynamic-fallback-notice.is-error { border-left-color: #d7352a; }
.qv-dynamic-fallback-notice.is-warning { border-left-color: #d19b37; }
.qv-dynamic-fallback-notice.is-success { border-left-color: #55b27c; }
.qv-dynamic-fallback-notice.is-visible { opacity: 1; transform: translate(-50%, 0); }

@keyframes qv-dynamic-progress {
    0% { transform: translateX(-72%) scaleX(.32); }
    52% { transform: translateX(22%) scaleX(.55); }
    100% { transform: translateX(110%) scaleX(.28); }
}

@media (max-width: 720px) {
    .qv-dynamic-status {
        right: 12px;
        bottom: 12px;
        max-width: calc(100vw - 24px);
    }
}

@media (prefers-reduced-motion: reduce) {
    html.qv-dynamic-busy::before { animation-duration: 2s; }
    .qv-dynamic-status,
    .qv-dynamic-fallback-notice { transition: none; }
}