.connection-toast {
    position: fixed;
    z-index: 20000;
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    display: grid;
    min-height: 52px;
    max-width: min(360px, calc(100vw - 36px));
    align-items: center;
    padding: 14px 20px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 14px;
    color: #fff;
    background: rgba(19, 28, 43, .94);
    box-shadow: 0 16px 48px rgba(0, 0, 0, .28);
    -webkit-backdrop-filter: blur(18px) saturate(135%);
    backdrop-filter: blur(18px) saturate(135%);
    font: 600 .95rem/1.4 Inter, system-ui, sans-serif;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px) scale(.98);
    transition: opacity .18s ease, transform .18s ease;
}

.connection-toast.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.connection-toast[data-state="online"] {
    border-color: rgba(70, 211, 164, .38);
    background: rgba(13, 65, 58, .94);
}

@media (max-width: 520px) {
    .connection-toast {
        right: max(14px, env(safe-area-inset-right));
        bottom: max(14px, env(safe-area-inset-bottom));
        left: max(14px, env(safe-area-inset-left));
        max-width: none;
        justify-content: center;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .connection-toast {
        transition: none;
    }
}