.major-page {
    padding: 32px 0 60px;
    background: var(--my-bg-light);
    min-height: calc(100vh - 200px);
}

.major-page-header {
    margin-bottom: 32px;
}

.major-page-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--my-secondary);
    margin-bottom: 8px;
}

.major-page-subtitle {
    font-size: 15px;
    color: var(--my-text-gray);
}

.major-page-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 24px;
    align-items: flex-start;
}

.major-filter-sidebar {
    position: sticky;
    top: 24px;
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(14, 7, 89, 0.04);
}

.major-filter-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--my-secondary);
    margin-bottom: 20px;
}

.major-filter-group + .major-filter-group {
    margin-top: 20px;
}

.major-filter-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--my-secondary);
    margin-bottom: 8px;
}

.major-filter-group select {
    width: 100%;
    border: 1px solid #ececec;
    border-radius: var(--my-rounded);
    padding: 12px 14px;
    font-size: 14px;
    color: var(--my-secondary);
    background: #fff;
    outline: none;
    transition: all 0.3s ease;
}

.major-filter-group select:focus {
    border-color: var(--my-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 102, 56, 0.15);
}

.major-filter-sub-item + .major-filter-sub-item {
    margin-top: 16px;
}

.major-product-content {
    min-width: 0;
}

.response-message {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--my-primary-100);
    color: var(--my-primary);
    font-size: 14px;
    font-weight: 500;
}

.mobile-filter-toggle {
    display: none;
}

.img-notfound {
    display: block;
    max-width: 320px;
    margin: 40px auto 0;
}

@media (max-width: 1199px) {
    .major-page-layout {
        grid-template-columns: 280px minmax(0, 1fr);
    }
}

@media (max-width: 991px) {
    .major-page-layout {
        grid-template-columns: 1fr;
    }

    .mobile-filter-toggle {
        display: flex;
        margin-bottom: 20px;
    }

    .mobile-filter-toggle .btn__filter {
        width: 100%;
        justify-content: center;
    }

    .major-filter-sidebar {
        display: none;
        position: static;
    }

    .major-filter-sidebar.active {
        display: block;
    }
}

@media (max-width: 767px) {
    .major-page {
        padding: 20px 0 40px;
    }

    .major-page-title {
        font-size: 26px;
    }

    .major-filter-sidebar {
        padding: 18px;
    }
}