/* بخش فیلتر */
.filter-section {
    background-color: white;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    padding: 25px;
    margin-bottom: 30px;
}

.filter-title {
    color: var(--primary-purple);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.filter-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 0;
    width: 50%;
    height: 3px;
    background: var(--gradient-btn);
    border-radius: 3px;
}

.form-select, .form-control {
    border-radius: 10px;
    padding: 12px 15px;
    border: 1px solid #e1e1e1;
    transition: all 0.3s ease;
}

.form-select:focus, .form-control:focus {
    border-color: var(--secondary-pink);
    box-shadow: 0 0 0 0.25rem rgba(255, 78, 141, 0.25);
}

.filter-toggle {
    background: none;
    border: none;
    color: var(--primary-purple);
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.filter-toggle i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.filter-toggle.collapsed i {
    transform: rotate(180deg);
}

.advanced-filters {
    overflow: hidden;
    transition: all 0.4s ease;
}