/* Loader Overlay */
#loader {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(10, 10, 20, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999;
    transition: opacity .6s ease, visibility .6s ease;
}

/* Hide Loader */
#loader.hide {
    opacity: 0;
    visibility: hidden;
}

/* Glass Card */
.glass-card {
    width: 240px;
    height: 240px;
    border-radius: 24px;

    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);

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

/* Spinner */
.spinner {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-top: 4px solid #ffffff;

    animation: spin 1s linear infinite;
}

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

.glass-card p {
    color: #fff;
    font-size: 18px;
    letter-spacing: 1px;
}