/* ============================================================
   MARS — оверлей загрузки расчёта
   ============================================================ */


#mars-loading-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    box-sizing: border-box;

    z-index: 100000;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;

    background: rgba(255, 255, 255, 0.96);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity 250ms ease,
        visibility 250ms ease;
}


#mars-loading-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

#mars-loading-overlay[hidden] {
    display: none !important;
}

.mars-loading-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #26364a;
}

.mars-loading-message {
    font-size: 15px;
    color: #536273;
}

.mars-loading-track {
    width: min(320px, 75vw);
    height: 8px;
    overflow: hidden;
    border-radius: 10px;
    background: #e5eaf0;
}

.mars-loading-progress {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: #4478b8;
    transition: width 700ms ease-in-out;
    will-change: width;
}

@media (prefers-reduced-motion: reduce) {
    #mars-loading-overlay {
        transition: none;
    }

    .mars-loading-progress {
        transition: none;
    }
}

html {
    overflow-y: scroll;
}