.left-side-filter {
    max-width: 220px;
}

.filter-section {
    overflow: hidden;
    margin-bottom: 30px;
    border-radius: 7px;
    background: var(--background-color-light);
    border: 1px solid var(--background-color-dark);
}

.category-filter {
    height: 160px;
}

.country-filter {
    height: 400px;
}

.degree-filter {
    height: 400px;
}

.subject-filter {
    height: 400px;
}

.filter-header {
    padding: 10px;
    border-top-left-radius: 7px;
    border-top-right-radius: 7px;
    background: var(--background-color);
    border-bottom: 1px solid var(--background-color-dark);
}

.left-filter-title {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 0;
}

.filter-body {
    border-radius: 10px;
    padding: 8px;
}

.filter-body input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    margin-bottom: 16px;
    border: 1px solid var(--background-color-dark);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-body input[type="text"]:focus {
    border-color: var(--background-color-dark);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.15);
}

.filter-body ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    max-height: 270px;
    overflow-y: auto;
}

.filter-body ul li {
    margin-bottom: 8px;
}

.filter-body ul li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 14px;
    background: var(--background-color);
    border: 1px solid var(--background-color-dark);
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    font-size: 1rem;
    gap: 10px;
}

.filter-body ul li a:hover {
    background: var(--warning-color);
    color: var(--background-color);
}


.filter-body ul li a .icon {
    color: var(--primary-color);
    font-size: 16px;
}

.filter-body ul li a .label {
    flex-grow: 1;
    text-align: left;
}

.filter-body ul li .count {
    background-color: var(--background-color-dark);
    color: var(--text-color);
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 20px;
    min-width: 24px;
    text-align: center;
    margin-left: auto;
}

.country-filter .filter-body ul li a {
    justify-content: start !important;
}

.filter-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--background-color);
    border: 1px solid var(--background-color-dark);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    user-select: none;
}

.filter-checkbox-item:hover {
    background: var(--warning-color);
    color: var(--background-color);
}

.filter-checkbox-item input[type="checkbox"] {
    display: none;
}

.custom-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
}

.custom-checkbox::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 7px;
    height: 11px;
    border: solid var(--primary-color);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    opacity: 0;
    transition: 0.2s ease;
}

.filter-checkbox-item input[type="checkbox"]:checked+.custom-checkbox::after {
    transform: rotate(45deg) scale(1);
    opacity: 1;
}

.label {
    font-size: 1rem;
    color: var(--text-color);
    flex-grow: 1;
}

/* Toggle button (visible only on small screens) */
.filter-responsive-top-area {
    display: none;
    align-items: center;
    justify-content: start;
    padding: 10px;
    background: var(--background-color);
    border: 1px solid var(--background-color-dark);
    margin-bottom: 30px;
    border-radius: 7px;
}

.filter-toggle-btn {
    font-size: 1.3rem;
    padding: 7px 10px;
    border-radius: 7px;
    z-index: 999;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    background-color: #f5f6fc;
}

@media (max-width: 768px) {
    .filter-responsive-top-area {
        display: block;
    }

    .filter-responsive-view {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100%;
        background: var(--background-color-light);
        border-left: 1px solid var(--background-color-dark);
        z-index: 999;
        overflow-y: auto;
        transition: right 0.3s ease;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .filter-responsive-view.show {
        right: 0;
    }

    .filter-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 997;
    }

    .filter-overlay.show {
        display: block;
    }
}