.portfolio-filter-block {
    padding: 0;
    margin-bottom: 20px;
}

.filter-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

/* Desktop Checkboxes */
.filter-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.filter-checkbox-label:hover {
    background-color: #f5f5f5;
}

.filter-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.filter-checkbox-label span {
    font-size: 15px;
    color: #555;
}

/* Mobile Dropdown - Hidden by default */
.filter-dropdown {
    display: none;
}

.filter-select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    background-color: #fff;
    cursor: pointer;
    height: 200px;
    margin-bottom: 10px;
}

/* Buttons */
.filter-submit-btn,
.filter-clear-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
    display: inline-block;
}

.filter-submit-btn {
    background-color: #0073aa;
    color: white;
    font-weight: 600;
    width: 100%;
}

.filter-submit-btn:hover {
    background-color: #005a87;
}

.filter-clear-btn {
    background-color: #f0f0f0;
    color: #333;
    margin-top: 10px;
}

.filter-clear-btn:hover {
    background-color: #e0e0e0;
}

/* Hide Apply button on desktop */
@media (min-width: 769px) {
    .filter-submit-mobile {
        display: none;
    }
}

/* Mobile Responsive - Switch to dropdown */
@media (max-width: 768px) {
    .filter-checkboxes {
        display: none;
    }
    
    .filter-dropdown {
        display: flex;
        flex-direction: column;
    }
}

/* Loading state */
.portfolio-loading {
    opacity: 0.5;
    pointer-events: none;
}