.accordion {
    --bs-accordion-color: #212529;
    --bs-accordion-bg: #fff;
    --bs-accordion-border-color: #dee2e6;
    --bs-accordion-border-width: 1px;
    --bs-accordion-border-radius: 0.375rem;
    --bs-accordion-inner-border-radius: calc(0.375rem - 1px);
    --bs-accordion-btn-padding-x: 1.25rem;
    --bs-accordion-btn-padding-y: 1rem;
    --bs-accordion-btn-color: #212529;
    --bs-accordion-btn-bg: #fff;
    --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230c63e4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.accordion-button {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--bs-accordion-btn-padding-y) var(--bs-accordion-btn-padding-x);
    font-size: 1rem;
    color: var(--bs-accordion-btn-color);
    text-align: right; /* برای RTL */
    background-color: var(--bs-accordion-btn-bg);
    border: 0;
    border-radius: 0;
    overflow-anchor: none;
    transition: all 0.15s ease-in-out;
}

.accordion-button:not(.collapsed) {
    color: #0c63e4;
    background-color: #e7f1ff;
    box-shadow: inset 0 -1px 0 var(--bs-accordion-border-color);
}

.accordion-button::after {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-right: auto; /* برای RTL */
    content: "";
    background-image: var(--bs-accordion-btn-icon);
    background-repeat: no-repeat;
    background-size: 1.25rem;
    transition: transform 0.2s ease-in-out;
}

.accordion-button:not(.collapsed)::after {
    background-image: var(--bs-accordion-btn-active-icon);
    transform: rotate(-180deg);
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-item {
    background-color: var(--bs-accordion-bg);
    border: var(--bs-accordion-border-width) solid var(--bs-accordion-border-color);
    border-radius: var(--bs-accordion-border-radius);
}

.accordion-collapse {
    transition: height 0.35s ease;
}

.accordion-body {
    padding: 1rem 1.25rem;
}

/* استایل‌های خاص برای accordion-flush */
.accordion-flush .accordion-item {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    border-width: 0 0 1px;
}

.accordion-flush .accordion-item:first-child {
    border-top: 0;
}

.accordion-flush .accordion-collapse {
    border-width: 0;
}

.accordion-flush .accordion-button.collapsed {
    background-color: transparent;
}