/* Modern Filter Modals CSS */
:root {
    --qj-red: #d80c24;
    --qj-red-light: #f41c34;
    --qj-dark: #111111;
    --qj-light: #f8f8f8;
    --qj-gray: #e0e0e0;
    --qj-text: #333333;
    --transition: all 0.3s ease;
}

/* Modal Structure */
.filter-modal .modal-content {
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.filter-modal .modal-header {
    background-color: var(--qj-dark);
    border-bottom: none;
    padding: 20px 25px;
    position: relative;
}

.filter-modal .modal-title {
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 18px;
    letter-spacing: 1px;
}

.filter-modal .btn-close {
    color: white;
    opacity: 1;
    filter: invert(1) brightness(200%);
}

.filter-modal .modal-body {
    padding: 25px;
    max-height: 70vh;
    overflow-y: auto;
}

.filter-modal .modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 15px 25px;
    justify-content: space-between;
}

/* Modern Radio Buttons */
.filter-radio-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 100%;
}

.filter-radio-group .form-group {
    margin-bottom: 0;
    position: relative;
}

.filter-radio-group input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.filter-radio-group label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 15px;
    background-color: var(--qj-light);
    border: 2px solid var(--qj-gray);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    color: var(--qj-text);
    transition: var(--transition);
    text-align: center;
    height: 100%;
}

.filter-radio-group input[type="radio"]:checked + label {
    background-color: var(--qj-red);
    color: white;
    border-color: var(--qj-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(216, 12, 36, 0.2);
}

.filter-radio-group label:hover {
    border-color: var(--qj-red);
    background-color: rgba(216, 12, 36, 0.05);
}

/* Engine Size Specific */
#engineSizeModal .filter-radio-group {
    grid-template-columns: repeat(3, 1fr);
}

/* Buttons */
.filter-modal .close-btn {
    background-color: var(--qj-gray);
    color: var(--qj-text);
    border: none;
    padding: 10px 20px;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.filter-modal .apply-btn {
    background-color: var(--qj-red);
    color: white;
    border: none;
    padding: 10px 25px;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.filter-modal .close-btn:hover {
    background-color: #d1d1d1;
}

.filter-modal .apply-btn:hover {
    background-color: var(--qj-red-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(216, 12, 36, 0.2);
}

/* Help Link */
.engine-size-help {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--qj-red);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px dashed var(--qj-red);
    padding-bottom: 2px;
}

.engine-size-help:hover {
    color: var(--qj-red-light);
}

/* Responsive */
@media (max-width: 576px) {
    .filter-radio-group {
        grid-template-columns: 1fr;
    }
    
    #engineSizeModal .filter-radio-group {
        grid-template-columns: repeat(2, 1fr);
    }
}