/* Lade-Overlay (System-Plugin plg_system_ekloading, Steuerung in ek-loading.js) */
.ek-loading {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(12, 20, 30, .55);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .15s ease, visibility 0s linear .15s;
}
.ek-loading.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    cursor: progress;
    transition: opacity .15s ease;
}
.ek-loading-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.6rem 2.2rem;
    border-radius: 16px;
    background: rgba(15, 25, 35, .85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}
.ek-loading-spinner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, .22);
    border-top-color: #14b8a6;
    animation: ek-loading-spin .8s linear infinite;
}
.ek-loading-text {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .02em;
}
@keyframes ek-loading-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .ek-loading-spinner { animation-duration: 2.4s; }
}