.alert {
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.alert-error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

.alert-title {
    display: block;
    font-weight: 700;
    margin-bottom: 4px;
}

.toast-stack {
    position: fixed;
    top: 88px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: min(360px, calc(100vw - 32px));
}

.toast {
    position: relative;
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 14px 44px 14px 16px;
    box-shadow: var(--shadow-md);
    background: #fff;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.is-hiding {
    opacity: 0;
    transform: translateY(-8px);
}

.toast-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.toast-error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

.toast-title {
    font-weight: 700;
    margin-bottom: 4px;
}

.toast-message {
    font-size: 0.95rem;
    line-height: 1.45;
}

.toast-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    color: inherit;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.75;
    padding: 0;
    width: 24px;
    height: 24px;
}

.toast-close:hover {
    opacity: 1;
}

@media (max-width: 640px) {
    .toast-stack {
        top: 78px;
        right: 12px;
        left: 12px;
        width: auto;
    }
}