/**
 * Bandera de entorno sandbox — visible en todas las interfaces.
 */
.sandbox-banner {
    position: sticky;
    top: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    padding: 0.65rem 1.25rem;
    background: #ffd600;
    color: #1a1a1a;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 0.95rem;
    line-height: 1.3;
    letter-spacing: 0.02em;
    text-align: center;
    border-bottom: 3px solid #e6b800;
    box-shadow: 0 2px 10px rgba(230, 184, 0, 0.35);
    box-sizing: border-box;
}

.sandbox-banner strong {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.sandbox-banner-icon {
    font-style: normal;
    font-size: 1.1rem;
    line-height: 1;
}