/**
 * Overlay de carga full-page reutilizable (UiponBusyOverlay).
 */
body.uipon-busy-overlay-locked {
    overflow: hidden;
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
}

/* Toasts gritter por encima del overlay (éxito/error durante operaciones OLT). */
body.uipon-busy-overlay-locked #gritter-notice-wrapper {
    z-index: 10060 !important;
}

.uipon-busy-overlay {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: wait;
    pointer-events: all;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}

.uipon-busy-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* Login / handoff: pantalla sólida (no se ve el formulario detrás). */
.uipon-busy-overlay.uipon-busy-overlay--solid {
    background: #0b1220;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: none;
}
.uipon-busy-overlay.uipon-busy-overlay--solid.is-visible {
    opacity: 1;
    visibility: visible;
}
.uipon-busy-overlay.uipon-busy-overlay--solid .uipon-busy-overlay__panel {
    transition: none;
    transform: none;
    opacity: 1;
}

.uipon-busy-overlay__panel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.95rem;
    padding: 0.25rem 1rem 0;
    transform: translateY(8px);
    opacity: 0.92;
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.uipon-busy-overlay.is-visible .uipon-busy-overlay__panel {
    transform: translateY(0);
    opacity: 1;
}

.uipon-busy-overlay__halo {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(72vw, 340px);
    height: min(72vw, 340px);
    transform: translate(-50%, -54%);
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.17) 0%,
        rgba(255, 255, 255, 0.07) 42%,
        transparent 72%
    );
    pointer-events: none;
    z-index: 0;
}

.uipon-busy-overlay__spinner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
}

/* Anillo de puntos unificado EasyOLT (fa-spinner) — blanco sobre overlay oscuro. */
.uipon-busy-overlay__spinner .uipon-dot-spinner {
    display: inline-block;
    line-height: 1;
    font-size: 2.75rem;
    color: #ffffff;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.35));
}

.uipon-busy-overlay__spinner .uipon-dot-spinner--overlay {
    font-size: 2.75rem;
}

.uipon-busy-overlay__copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    max-width: min(92vw, 440px);
}

.uipon-busy-overlay__title {
    font-size: 1.08rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}

.uipon-busy-overlay__message {
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    min-height: 1.35em;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
    transition: opacity 0.25s ease;
}

.uipon-busy-overlay__message.is-fading {
    opacity: 0.35;
}

.uipon-busy-overlay__context {
    display: inline-block;
    padding: 0.28rem 0.65rem;
    font-size: 0.84rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.uipon-busy-overlay__context.is-hidden,
.uipon-busy-overlay__detail.is-hidden {
    display: none !important;
}

.uipon-busy-overlay__detail {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.78);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.35);
}

@keyframes uipon-busy-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .uipon-busy-overlay__spinner .fa-spin {
        animation: none;
    }
    .uipon-busy-overlay,
    .uipon-busy-overlay__panel,
    .uipon-busy-overlay__message {
        transition: none;
    }
}