.form-toast-stack {
    position: fixed;
    top: 1.15rem;
    right: 1.15rem;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    width: min(22rem, calc(100vw - 2rem));
    pointer-events: none;
}

.form-toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border-radius: 0.75rem;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow:
        0 18px 40px -22px rgba(74, 18, 37, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    pointer-events: auto;
    opacity: 0;
    transform: translateX(calc(100% + 1.5rem));
    transition:
        opacity 0.28s ease,
        transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.form-toast.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.form-toast.is-leaving {
    opacity: 0;
    transform: translateX(calc(100% + 1rem));
}

.form-toast--success {
    border-color: rgba(31, 77, 46, 0.22);
}

.form-toast__icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    color: #1f4d2e;
    background: #e8f5ec;
}

.form-toast--success .form-toast__icon svg {
    width: 1rem;
    height: 1rem;
}

.form-toast__body {
    flex: 1;
    min-width: 0;
    padding-top: 0.1rem;
}

.form-toast__title {
    margin: 0 0 0.2rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--burgundy);
}

.form-toast__message {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--ink-soft);
}

.form-toast__close {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 1.65rem;
    height: 1.65rem;
    margin: -0.15rem -0.15rem 0 0;
    padding: 0;
    border: 0;
    border-radius: 999px;
    color: var(--ink-muted);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.form-toast__close:hover {
    color: var(--burgundy);
    background: rgba(122, 31, 61, 0.08);
}

.form-toast__close svg {
    width: 0.9rem;
    height: 0.9rem;
}

@media (max-width: 639px) {
    .form-toast-stack {
        top: auto;
        right: 1rem;
        left: 1rem;
        bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
        width: auto;
    }

    .form-toast {
        transform: translateY(calc(100% + 1.5rem));
    }

    .form-toast.is-visible {
        transform: translateY(0);
    }

    .form-toast.is-leaving {
        transform: translateY(calc(100% + 1rem));
    }
}

@media (prefers-reduced-motion: reduce) {
    .form-toast {
        transition: opacity 0.15s ease;
        transform: none;
    }

    .form-toast.is-visible,
    .form-toast.is-leaving {
        transform: none;
    }
}