.filter {
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-base);
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-gray-100);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
    border-radius: 8px 8px 0 0;
}

.filter-header[aria-expanded="false"] {
    border-radius: 8px;
}

.filter-title {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.filter-toggle {
    background: none;
    border: none;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.filter-icon {
    transition: transform 0.3s ease;
}

.filter-header[aria-expanded="false"] .filter-icon {
    transform: rotate(180deg);
}

.filter-body {
    padding: 12px 16px 16px 16px;
}

.filter-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 12px 16px;
    border-top: 1px solid var(--color-gray-100);
}

.filter-btn {
    width: 107px;
}

.filter-body .custom-input {
    width: 100%;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.search-card-body {
    padding: 12px 16px 16px 16px;
}

.search-card-body .form-label {
    margin-bottom: 4px !important;
}

@media (max-width: 768px) {
    .filter-grid {
        grid-template-columns: 1fr;
    }

    .filter-body .form-group {
        margin-bottom: 0;
    }

    .filter-actions {
        flex-direction: column-reverse;
        gap: 8px;
    }

    .filter-actions .btn {
        width: 100%;
    }
}