.app-loading {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: rgba(247, 249, 255, .96);
    color: #3864a4;
    font: 500 14px/1.5 "Segoe UI", Arial, sans-serif;
    transition: opacity .28s ease, visibility .28s ease;
}
.app-loading--done { opacity: 0; visibility: hidden; pointer-events: none; }
.app-loading__logo {
    width: min(52vw, 220px);
    height: auto;
    animation: app-loading-float 1.8s ease-in-out infinite;
}
.app-loading__dots { display: flex; gap: 8px; }
.app-loading__dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3478db;
    animation: app-loading-dot 1.2s ease-in-out infinite;
}
.app-loading__dots span:nth-child(2) { animation-delay: .15s; }
.app-loading__dots span:nth-child(3) { animation-delay: .3s; }
@keyframes app-loading-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.025); }
}
@keyframes app-loading-dot {
    0%, 80%, 100% { transform: translateY(0); opacity: .35; }
    40% { transform: translateY(-6px); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
    .app-loading { transition: none; }
    .app-loading__logo, .app-loading__dots span { animation: none; }
}