.app-toast-host {
    position: fixed;
    left: 50%;
    bottom: var(--spacing-lg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    width: min(420px, calc(100vw - var(--spacing-lg) * 2));
    transform: translateX(-50%);
    pointer-events: none;
}

.app-toast {
    width: 100%;
    padding: 14px var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.35),
        0 16px 40px rgba(0, 0, 0, 0.55);
    font-size: var(--font-size-sm);
    line-height: 1.45;
    opacity: 0;
    transform: translateY(calc(100% + var(--spacing-md)));
    transition:
        opacity var(--sidebar-reveal-duration) var(--sidebar-reveal-ease),
        transform var(--sidebar-reveal-duration) var(--sidebar-reveal-ease);
    pointer-events: auto;
}

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

.app-toast--error {
    background: #3d1518;
    border-color: var(--accent-red);
    color: #fecaca;
}

.app-toast--info {
    background: #152238;
    border-color: var(--accent-blue);
    color: #dbeafe;
}

.app-toast--success {
    background: #14532d;
    border-color: var(--accent-green);
    color: #dcfce7;
}

.app-toast__message {
    margin: 0;
}

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