#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background-color: #2d3748; /* Màu nền tối (Tailwind gray-800) */
    color: #fff;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast .icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: #48bb78; /* Tailwind green-500 */
}

/* Biểu tượng SVG (Checkmark) */
.toast .icon svg {
    width: 100%;
    height: 100%;
}